7Baggers

Essential Utilities, Inc
(NYSE:WTRG) 

WTRG stock logo

Essential Utilities, Inc., through its subsidiaries, operates regulated utilities that provide water, wastewater, or natural gas services in the United States. It offers water services through operating and maintenance contracts with municipal authorities and other parties. The company also provides...

Founded: 1968
Full Time Employees: 1,583
CEO: Christopher H. Franklin  
Sector: Utilities
Industry: Utilities-Regulated Water

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At a glance:
Bull Thesis:
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Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2011-06-30 2011-03-31 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 
                                     
      operating revenues
    861,759,000 699,111,000 476,971,000 514,907,000 783,626,000 604,383,000 435,255,000 434,406,000 612,069,000 479,419,000 411,255,000 436,700,000 726,450 2,286,449,351 434,618 448,756 699,275,000 535,687,000 361,860,000 397,032,000 583,565,000 473,998,000 348,647,000 384,468,000 255,585,000  359,553,000 171,324,000 338,961,000 160,517,000 502,646,000 321,820,000 154,487,000 
      operating expenses:
                                     
      operations and maintenance
    175,795,000 200,182,000 153,088,000 148,510,000 137,824,000 163,470,000 144,368,000 142,512,000 136,900,000 156,998,000 147,018,000 133,508,000 137,994 613,220,077 151,361 134,981 142,581,000 158,635,000 139,355,000 127,515,000 125,075,000 157,196,000 136,174,000 128,604,000 106,637,000  137,762,000 67,325,000 136,911,000 67,601,000 204,026,000 135,538,000 66,989,000 
      purchased gas
    238,615,000 139,935,000 22,506,000 56,735,000 184,641,000 94,511,000 19,095,000 33,728,000 129,675,000 37,468,000 16,590,000 41,933,000 256,315 601,640,104 52,041 75,143 227,712,000 137,724,000 25,488,000 44,897,000 132,153,000 92,811,000 16,744,000 43,420,000 12,770,000         
      depreciation
    107,109,000 103,562,000 103,322,000 99,542,000 96,764,000 94,164,000 91,448,000 89,578,000 88,716,000 86,447,000 84,348,000 84,937,000 82,923 315,575,226 80,471 77,425 77,878,000 75,184,000 72,606,000 72,764,000 71,637,000 69,777,000 68,175,000 67,925,000 45,566,000  54,871,000 27,293,000 53,002,000 26,200,000 76,795,000 51,359,000 26,387,000 
      amortization
    3,620,000 3,947,000 3,744,000 3,977,000 2,613,000 2,337,000 1,153,000 1,068,000 1,088,000 1,758,000 1,687,000 724,000 871 5,361,522 2,259 1,751 468,000 1,145,000 1,901,000 1,408,000 1,307,000 1,204,000 1,766,000 1,967,000 679,000  3,887,000 1,956,000 6,486,000 3,172,000 8,848,000 5,819,000 2,755,000 
      taxes other than income taxes
    25,980,000 24,481,000 24,540,000 20,872,000 22,879,000 23,275,000 24,102,000 22,233,000 25,024,000 22,775,000 24,207,000 20,348,000 22,878 89,956,648 22,625 21,720 23,007,000 23,422,000 21,058,000 21,120,000 21,041,000 20,173,000 20,555,000 19,433,000 16,436,000  27,211,000 13,765,000 25,803,000 12,860,000 35,892,000 23,474,000 11,590,000 
      total operating expenses
    551,119,000 472,107,000 307,200,000 329,636,000 444,721,000 377,757,000 280,166,000 289,119,000 381,403,000 305,446,000 273,850,000 281,450,000 500,981 1,625,753,577 308,757 311,020 471,646,000 396,110,000 260,408,000 267,704,000 351,213,000 341,161,000 243,414,000 261,349,000 182,088,000         
      operating income
    310,640,000 227,004,000 169,771,000 185,271,000 338,905,000 226,626,000 155,089,000 145,287,000 230,666,000 173,973,000 137,405,000 155,250,000 225,469 660,695,774 125,861 137,736 227,629,000 139,577,000 101,452,000 129,328,000 232,352,000 132,837,000 105,233,000 123,119,000 73,497,000  135,822,000 60,985,000 116,759,000 50,684,000 177,085,000 105,630,000 46,766,000 
      yoy
    -8.34% 0.17% 9.47% 27.52% 46.92% 30.27% 12.87% -6.42% 102204.97% -73.67% 109072.02% 112615.63% -99.90% 373.36% -99.88% -99.89% -2.03% 5.07% -3.59% 5.04% 216.14%  -22.52% 101.88% -37.05%  -23.30% -42.27% 149.67%     
      qoq
    36.84% 33.71% -8.37% -45.33% 49.54% 46.13% 6.75% -37.01% 32.59% 26.61% -11.49% 68756.47% -99.97% 524840.83% -8.62% -99.94% 63.08% 37.58% -21.55% -44.34% 74.92% 26.23% -14.53% 67.52%   122.71% -47.77% 130.37% -71.38% 67.65% 125.87%  
      other expense:
                                     
      interest expense
    87,307,000 84,938,000 82,269,000 79,809,000 82,065,000 79,303,000 76,846,000 73,045,000 73,273,000 72,922,000 68,590,000 69,182,000 72,668 237,946,655 60,488 55,221 53,636,000 52,772,000 52,132,000 52,036,000 50,769,000 51,785,000 49,861,000 51,666,000 35,122,000  40,049,000 19,943,000 36,934,000 18,430,000 50,693,000 33,437,000 16,628,000 
      interest income
    -1,611,000 -94,000 -1,079,000 -301,000 -229,000 -659,000 -1,394,000 -276,000 -989,000 -670,000 -942,000 -970,000 -819 -3,672,057 -1,510 -824 -609,000 -1,094,000 -565,000 -338,000 -387,000 -17,000 -114,000 -196,000 -5,035,000         
      allowance for funds used during construction
    -5,760,000 -7,214,000 -6,180,000 -7,027,000 -5,832,000 -5,807,000 -5,593,000 -5,229,000 -4,681,000 -2,400,000 -5,455,000 -3,424,000 -5,688 -23,647,198 -5,812 -6,151 -5,839,000 -6,870,000 -6,082,000 -4,906,000 -2,934,000 -3,966,000 -3,543,000 -2,230,000 -2,948,000  -3,909,000 -1,977,000 -3,002,000 -1,541,000 -1,940,000 -1,193,000 -625,000 
      other
    -75,000 2,185,000 -1,439,000 647,000 -56,000 -1,911,000 227,000 701,000 -442,000 -612,000 -1,438,000 -323,000 -240 496,566 -441 -423 -1,702,000 -1,455,000 4,019,000 -1,941,000 -3,471,000 -213,000 -4,127,000 -722,000 1,679,000         
      income before income taxes
    230,779,000 147,845,000 96,376,000 112,399,000 263,194,000 155,857,000 85,242,000 77,249,000 255,130,000 104,614,000 76,365,000 91,005,000 159,797 450,562,031 73,435 90,391 182,143,000 96,577,000 52,268,000 84,700,000 188,455,000 85,460,000 59,763,000 75,091,000 44,657,000  99,941,000 43,140,000 84,866,000 35,724,000 128,707,000 73,599,000 30,896,000 
      income tax expense
    6,387,000 15,169,000 4,299,000 4,572,000  1,765,500 15,840,000 1,864,000                          
      net income
    224,392,000 132,676,000 92,077,000 107,827,000 283,789,000 184,755,000 69,402,000 75,385,000 265,772,000 135,448,000 80,076,000 91,268,000 191,434 464,886,695 68,638 82,291 199,376,000 116,506,000 50,503,000 80,914,000 183,689,000 102,707,000 55,732,000 74,629,000 51,781,000         
      yoy
    -20.93% -28.19% 32.67% 43.04% 6.78% 36.40% -13.33% -17.40% 138732.18% -70.86% 116564.24% 110808.85% -99.90% 299.02% -99.86% -99.90% 8.54% 13.44% -9.38% 8.42% 254.74%             
      qoq
    69.13% 44.09% -14.61% -62.00% 53.60% 166.21% -7.94% -71.64% 96.22% 69.15% -12.26% 47575.96% -99.96% 677202.22% -16.59% -99.96% 71.13% 130.69% -37.58% -55.95% 78.85% 84.29% -25.32% 44.12%          
      comprehensive income
    224,392,000 132,676,000 92,077,000 107,827,000 283,789,000 184,755,000 69,402,000 75,385,000 265,772,000 135,448,000 80,076,000 91,268,000 191,434 464,886,695 68,638 82,291 199,376,000 116,506,000 50,503,000 80,914,000 183,689,000 102,707,000 55,732,000 74,629,000 51,781,000  67,964,000 30,353,000 50,938,000 21,083,000 77,826,000 44,498,000 18,408,000 
      net income per common share:
                                     
      basic
    790 470 330 380 1,030 670 250 280 970 490 300 350 0.72 1,768.66 0.26 0.31 760 450 200 320 720 410 220 290 220  490 220 380 160 570 330 140 
      diluted
    790 470 330 380 1,030 670 250 280 970 490 300 340 0.72 1,768.67 0.26 0.31 760 440 190 320 720 410 220 290 200  490 220 380 160 570 330 140 
      average common shares outstanding during the period:
                                     
      basic
    283,181,000 1,027,000 281,784,000 280,275,000 275,194,000 258,000 274,021,000 273,567,000 273,377,000 2,036,000 266,767,000 264,418,000 264,192 261,983,911 262,213 262,099 261,952,000 1,436,000 258,773,000 254,769,000 254,565,000 1,556,000 254,280,000 254,167,000 236,122,000  137,971,000 137,825,000 136,647,000 136,509,000 135,673,000 135,519,000 135,406,000 
      diluted
    283,636,000 1,059,000 282,298,000 280,725,000 275,687,000 294,000 274,543,000 273,953,000 273,738,000 1,971,000 267,176,000 264,818,000 264,751 262,605,359 262,754 262,558 262,431,000 1,417,000 259,437,000 255,441,000 254,969,000 -510,000 255,162,000 254,434,000 255,054,000  138,518,000 138,384,000 136,960,000 136,800,000 136,006,000 135,880,000 135,876,000 
      the accompanying notes are an integral part of these consolidated financial statements
                                     
      gain on sale of other assets
     -656,000 -176,000 -256,000 -237,000 -157,000  -203,000 -91,625,000 119,000  -220,000 -249 -990,223 -299 -478  -353,000 -320,000 -223,000 -80,000 -303,000 -233,000 -20,000 -105,000  -259,000 -121,000 -2,039,000 -1,929,000 -375,000 -213,000 -133,000 
      income tax benefit
        -20,595,000    -10,642,000 -30,834,000   -31,637                     
      loss on sale of other assets
          -239,000    285,000                       
      the accompanying notes are an integral part of these condensed consolidated financial statements
                                     
      provision for income taxes
              -3,711,000 -263,000     -17,233,000 2,579,250 1,765,000 3,786,000 4,766,000 -657,750 4,031,000 462,000   32,000,000 12,789,000 33,500,000 14,213,000 51,013,000 29,375,000 12,525,000 
      other income:
                                     
      benefit from income taxes
                 -1,084 4,797 8,100                  
      equity loss in joint venture
                                     
      equity earnings in joint venture
                           -470,000          
      equity loss (earnings) in joint venture
                         91,000 3,626,000  127,000         
      change in fair value of interest rate swap agreements
                                     
      loss on debt extinguishment
                                     
      provision for income tax benefit
                            -7,124,000         
      operating expenses: - sum
                              223,731,000 110,339,000 222,202,000 109,833,000    
      net income attributable to common shareholders
                              67,941,000 30,351,000 51,366,000 21,511,000 77,694,000 44,224,000 18,371,000 
      other comprehensive income, net of tax:
                                     
      unrealized holding gain on investments
                              96,000 4,000 902,000 902,000 127,000 269,000 37,000 
      reclassification adjustment for gains reported in net income
                              -73,000       
      cash dividends declared per common share
                              310 155 290 145 550 270 135 
      reclassification adjustment for gain reported in net income
                               -2,000  -1,330,000    
      reclassification adjustment for losses reported in net income
                                -1,330,000  5,000 5,000  
      see notes to consolidated financial statements beginning on page 8 of this report.
                                     
      costs and expenses:
                                     
      costs and expenses: - sum
                                  325,561,000 216,190,000 107,721,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2018-12-31 2018-09-30 2018-06-30 2017-12-31 2017-06-30 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-06-30 2011-03-31 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2004-06-30 
                                                                
        property, plant and equipment, at cost
      17,942,936,000 17,690,717,000 17,268,011,000 16,857,483,000 16,538,396,000 16,275,377,000 15,891,451 15,519,111 15,208,072 14,977,021,000 14,681,336,000 14,344,435,000 13,961,209 13,468,046 13,111,170 12,836,605,000 12,610,376,000 12,293,056,000 11,977,707,000 11,771,225,000 11,620,019,000 11,321,044,000 11,012,300,000 10,795,110,000 8,201,936,000 7,648,469,000 7,447,240,000 7,191,574,000 7,003,993,000 6,717,832,000 6,509,117,000 6,386,445,000 6,282,410,000 6,183,513,000 5,985,452,000 5,879,250,000 5,500,281,000 5,397,141,000 5,265,148,000 5,184,113,000 5,107,675,000 4,953,049,000 4,990,047,000 4,714,082,000 4,616,437,000 4,532,368,000 4,308,360,000 4,198,936,000 4,057,062,000 3,954,317,000 3,897,640,000 3,759,696,000 3,686,570,000 3,599,293,000 3,477,005,000 3,398,777,000 3,307,288,000 2,530,123,000 
        less: accumulated depreciation
      3,501,839,000 3,427,035,000 3,368,492,000 3,278,033,000 3,218,022,000 3,131,901,000 3,075,589 2,999,982 2,952,487 2,879,949,000 2,834,771,000 2,753,586,000 2,666,629 2,592,368 2,518,805 2,441,921,000 2,358,510,000 2,336,287,000 2,270,344,000 2,201,890,000 2,107,142,000 2,060,584,000 1,961,540,000 1,905,274,000 1,856,146,000 1,718,143,000 1,706,439,000 1,649,601,000 1,604,133,000 1,558,681,000 1,507,502,000 1,484,959,000 1,458,923,000 1,430,632,000 1,379,940,000 1,356,963,000 1,266,441,000 1,237,686,000 1,174,775,000 1,158,975,000 1,136,513,000 1,089,684,000 1,124,791,000 1,056,520,000 1,060,585,000 1,035,565,000 967,167,000 940,628,000 924,710,000 893,836,000 870,944,000 837,180,000 814,323,000 797,170,000 771,398,000 751,999,000 725,542,000  
        net property, plant and equipment
      14,441,097,000 14,263,682,000 13,899,519,000 13,579,450,000 13,320,374,000 13,143,476,000 12,815,862 12,519,129 12,255,585 12,097,072,000 11,846,565,000 11,590,849,000 11,294,580 10,875,678 10,592,365 10,394,684,000 10,251,866,000 9,956,769,000 9,707,363,000 9,569,335,000 9,512,877,000 9,260,460,000 9,050,760,000 8,889,836,000 6,345,790,000 5,930,326,000 5,740,801,000 5,541,973,000 5,399,860,000 5,159,151,000 5,001,615,000 4,901,486,000 4,823,487,000 4,752,881,000 4,605,512,000 4,522,287,000 4,233,840,000 4,159,455,000 4,090,373,000 4,025,138,000 3,971,162,000 3,863,365,000 3,865,256,000 3,657,562,000 3,555,852,000 3,496,803,000 3,341,193,000 3,258,308,000 3,132,352,000 3,060,481,000 3,026,696,000 2,922,516,000 2,872,247,000 2,802,123,000 2,705,607,000 2,646,778,000 2,581,746,000 2,000,072,000 
        current assets:
                                                                
        cash and cash equivalents
      75,926,000 34,778,000 6,397,000 25,071,000 20,784,000 9,156,000 8,436 18,819 35,200 4,612,000 8,505,000 11,642,000 20,149 23,366 12,976 58,298,000 10,567,000 9,736,000 8,404,000 18,046,000 4,827,000 8,494,000 7,227,000 31,848,000 1,868,922,000 3,627,000 4,264,000 52,948,000 4,204,000 7,811,000 3,763,000 3,712,000 4,923,000 3,981,000 4,071,000 4,615,000 3,858,000 17,508,000 6,393,000 4,272,000 19,353,000 6,122,000 5,047,000 5,203,000 6,917,000 7,259,000 13,112,000 14,786,000 18,015,000 13,822,000 16,744,000 15,968,000 14,800,000 16,509,000 15,582,000 11,498,000 15,102,000 12,406,000 
        accounts receivable
      287,323,000 217,191,000 154,688,000 198,500,000 244,437,000 166,522,000 124,767 139,768 164,638 144,300,000 133,735,000 149,942,000 213,606 119,803 143,385 182,587,000 141,025,000 108,210,000 129,151,000 168,464,000 154,775,000 126,774,000 152,902,000 179,572,000 67,137,000                                  
        unbilled revenues
      131,215,000 167,085,000 88,284,000 82,300,000 115,975,000 142,310,000 79,095 74,941 102,793 101,436,000 75,101,000 75,737,000 117,610 82,643 79,394 104,540,000 119,896,000 63,479,000 63,912,000 84,700,000 118,538,000 62,999,000 60,835,000 83,979,000 40,483,000                                  
        inventory - materials and supplies
      56,449,000 51,767,000 51,997,000 51,116,000 49,318,000 48,619,000 51,216 50,117 48,947 47,494,000 48,811,000 45,300,000 48,401 41,565 38,193 38,560,000 33,756,000 35,023,000 27,755,000 24,092,000 21,669,000 23,651,000 22,660,000 22,224,000                                   
        inventory - gas stored
      15,747,000 60,686,000 71,647,000 39,376,000 11,676,000 45,311,000 54,014 34,424 17,849 65,173,000 78,634,000 63,216,000 47,506 188,147 90,417 20,502,000 75,804,000 78,787,000 35,627,000 10,730,000 36,732,000 42,964,000 27,424,000 11,693,000                                   
        prepayments and other current assets
      36,221,000 59,110,000 28,171,000 29,430,000 34,844,000 41,139,000 25,746 28,712 34,619 99,884,000 31,409,000 36,557,000 37,301 39,241 31,722 29,856,000 36,597,000 29,871,000 29,440,000 33,547,000 38,594,000 37,551,000 34,194,000 32,024,000 16,259,000 23,337,000 13,027,000 14,891,000 12,542,000 13,009,000 12,804,000 11,799,000 14,436,000 12,713,000 11,753,000 12,471,000 12,995,000 11,129,000 9,353,000 15,166,000 10,336,000 13,045,000 12,174,000 9,599,000 11,375,000 9,849,000 10,538,000 12,029,000 10,515,000 14,134,000 11,349,000 8,693,000 12,286,000 9,771,000 9,247,000 8,310,000 10,864,000 5,572,000 
        regulatory assets
      19,749,000 19,779,000 32,386,000 13,585,000 17,447,000 32,854,000 30,659 15,952 15,488 29,080,000 25,692,000 16,938,000 15,715 46,541 17,208 9,172,000 20,150,000 27,398,000 10,443,000 8,530,000 5,085,000 8,113,000 5,654,000 5,110,000 878,132,000 788,076,000 767,902,000 750,826,000 713,971,000 1,003,808,000 948,647,000 911,455,000 887,135,000 859,830,000 799,858,000 771,561,000 630,305,000 599,717,000 637,314,000 563,466,000 536,695,000 244,606,000 249,852,000 241,627,000 226,875,000 222,958,000 221,440,000 224,252,000 233,711,000 230,786,000 220,378,000 162,983,000 158,805,000 160,429,000 170,426,000 177,542,000 182,584,000 98,898,000 
        total current assets
      622,630,000 610,396,000 433,570,000 439,378,000 494,481,000 485,911,000 373,933 362,733 419,534 491,979,000 409,348,000 406,710,000 509,772 541,306 413,295 443,515,000 437,795,000 352,504,000 304,732,000 348,109,000 380,220,000 311,238,000 312,454,000 368,008,000 2,012,738,000 147,172,000 149,277,000 189,374,000 131,246,000 138,091,000 128,650,000 141,401,000 132,432,000 122,733,000 168,307,000 175,360,000 201,818,000 213,630,000 211,556,000 221,586,000 212,973,000 230,985,000 147,237,000 243,524,000 178,029,000 156,893,000 119,163,000 110,492,000 124,882,000 122,530,000 114,731,000 129,871,000 119,862,000 110,119,000 128,743,000 119,099,000 108,207,000 92,749,000 
        deferred charges and other assets
      123,294,000 122,217,000 128,401,000 103,381,000 111,981,000 112,712,000 98,996 94,385 97,865 102,388,000 191,958,000 166,391,000 164,608 172,236 136,764 139,608,000 141,955,000 118,910,000 115,692,000 87,777,000 56,002,000 51,489,000 53,636,000 61,754,000 42,652,000 39,237,000 39,190,000 38,648,000 38,485,000 33,597,000 30,845,000 30,903,000 30,313,000 30,228,000 52,364,000 54,577,000 51,346,000 51,253,000 50,031,000 50,584,000 50,701,000 73,894,000 64,029,000 59,470,000 57,237,000 60,144,000 60,748,000 57,500,000 52,199,000 51,106,000 50,711,000 50,422,000 43,888,000 40,833,000 41,097,000 39,724,000 39,819,000 51,729,000 
        funds restricted for construction activity
      1,451,000 1,445,000 1,439,000 1,433,000 1,426,000 1,420,000 1,412 1,402 1,391 1,381,000 1,370,000 1,360,000 1,350 1,336 1,313 1,313,000 1,313,000 1,288,000 1,268,000 1,268,000 1,268,000 1,243,000 1,223,000 1,223,000            15,000 47,000 47,000 11,626,000 23,183,000 23,180,000 35,575,000 55,089,000 90,192,000 134,411,000 134,427,000 81,634,000 84,852,000 38,623,000 24,519,000 28,611,000 60,268,000 62,568,000 75,503,000 53,820,000 58,898,000 59,708,000 23,382,000 
        goodwill
      2,349,059,000 2,348,559,000 2,348,559,000 2,340,709,000 2,340,713,000 2,340,713,000 2,340,719 2,340,731 2,340,733 2,340,738,000 2,340,661,000 2,340,755,000 2,340,755 2,340,792 2,340,792 2,340,815,000 2,340,815,000 2,340,836,000 2,340,836,000 2,340,905,000 2,324,547,000 2,333,627,000 2,333,535,000 2,351,526,000 63,822,000 52,726,000 53,242,000 42,050,000 42,230,000 42,266,000 42,208,000 41,921,000 42,234,000 42,304,000 33,907,000 33,942,000 27,999,000 27,999,000 27,882,000 28,142,000 28,142,000 38,729,000 38,784,000 26,967,000 40,778,000 41,101,000 43,201,000 43,083,000 42,874,000 40,842,000 40,842,000 37,979,000 36,867,000 36,876,000 34,642,000 34,493,000 33,453,000  
        operating lease right-of-use assets
      24,669,000 25,923,000 27,200,000 28,506,000 30,045,000 31,263,000 32,470 34,791 35,739 37,416,000 37,836,000 39,151,000 40,665 43,095 44,713 46,305,000 48,930,000 55,386,000 57,154,000 58,513,000 60,334,000 62,022,000 63,697,000 65,064,000 12,867,000                                  
        intangible assets
      2,873,000 2,954,000 3,035,000 3,112,000 3,194,000 3,273,000 3,351 3,433 3,513 3,593,000 3,672,000 4,221,000 4,412 4,795 5,381 5,572,000 5,764,000 5,955,000 6,732,000 6,986,000 7,241,000 7,829,000 8,820,000                                    
        total assets
      19,780,115,000 19,464,845,000 18,893,132,000 18,554,285,000 18,327,161,000 18,026,554,000 17,564,626 17,252,116 17,054,344 16,841,459,000 16,432,793,000 16,101,935,000 15,818,266 15,279,792 15,046,164 14,877,023,000 14,658,278,000 14,236,485,000 13,933,992,000 13,821,915,000 13,705,277,000 13,399,488,000 13,028,408,000 12,928,986,000 9,361,985,000 6,964,496,000 6,757,101,000 6,570,345,000 6,332,463,000 6,383,699,000 6,158,991,000 6,036,025,000 5,922,839,000 5,815,443,000 5,701,345,000 5,600,278,000 5,191,525,000 5,099,767,000                     
        the accompanying notes are an integral part of these consolidated financial statements
                                                                
        liabilities and equity
      2,026,000  2,025,000 2,025,000 2,025,000  2,024 2,024 2,024  2,023,000 2,023,000 2,023 2,022 2,022 2,022,000  2,021,000 2,021,000 2,021,000  2,020,000 2,020,000 2,020,000                                   
        stockholders' equity:
                                                                
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 286,851,236 and 286,505,895 as of march 31, 2026 and december 31, 2025
      143,426,000                                                          
        capital in excess of par value
      4,532,634,000 4,524,517,000 4,519,304,000 4,420,240,000 4,268,626,000 4,199,836,000 4,186,048 4,149,208 4,142,610 4,137,696,000 4,131,834,000 3,827,199,000 3,819,804 3,723,523 3,715,975 3,713,560,000 3,705,814,000 3,698,095,000 3,393,372,000 3,386,376,000 3,379,057,000 3,372,376,000 3,366,695,000 3,361,586,000 2,636,555,000 820,378,000 814,004,000 811,763,000 807,135,000 802,799,000 797,513,000 795,139,000 793,229,000 790,749,000 768,428,000 766,067,000 751,853,000 748,080,000 739,062,000 747,763,000 730,419,000 713,627,000 704,328,000 693,347,000 676,888,000 673,605,000 651,985,000 647,601,000 638,416,000 632,140,000 627,661,000 618,827,000 613,352,000 578,836,000 567,848,000 560,742,000 553,518,000 419,062,000 
        retained earnings
      2,310,842,000 2,280,669,000 2,244,995,000 2,249,401,000 2,143,020,000 1,949,492,000 1,943,876 1,963,716 1,888,521 1,706,675,000 1,739,271,000 1,740,682,000 1,649,621 1,570,652 1,577,442 1,497,757,000 1,434,201,000 1,385,631,000 1,403,041,000 1,383,857,000 1,261,862,000 1,220,790,000 1,226,622,000 1,209,501,000 1,210,072,000 1,174,245,000 1,217,007,000 1,177,874,000 1,132,556,000 1,075,856,000 1,032,844,000 1,017,261,000 978,124,000 950,158,000 933,144,000 897,261,000 773,717,000 745,161,000 698,689,000 635,210,000 633,151,000 544,802,000 541,739,000 523,300,000 477,574,000 461,433,000 421,090,000 411,095,000 382,744,000 387,406,000 379,866,000 354,112,000 353,854,000 348,007,000 342,110,000 329,225,000 320,751,000 222,097,000 
        treasury stock
      -93,693,000 -90,983,000 -91,195,000 -91,390,000 -91,608,000 -89,624,000 -87,965 -88,198 -88,442 -86,485,000 -86,783,000 -87,092,000 -87,331 -83,837 -84,092 -84,357,000 -83,615,000 -83,854,000 -84,098,000 -84,333,000 -81,327,000 -81,641,000 -81,954,000 -82,041,000 -77,702,000 -75,835,000 -75,772,000 -75,771,000 -73,280,000 -73,206,000 -71,113,000 -70,990,000 -70,944,000 -70,912,000 -63,106,000 -50,795,000 -29,431,000 -29,055,000 -27,074,000 -26,124,000 -16,159,000 -14,446,000 -14,248,000 -13,828,000 -12,980,000 -12,875,000 -12,327,000 -12,314,000 -12,392,000 -12,662,000 -12,926,000 -12,828,000 -13,059,000 -13,295,000 -13,301,000 -12,914,000 -12,934,000 -12,149,000 
        total stockholders' equity
      6,893,209,000 6,857,456,000 6,816,299,000 6,720,202,000 6,460,091,000 6,198,809,000 6,180,934 6,163,234 6,081,127 5,896,183,000   5,515,942 5,343,102 5,342,032      4,683,877,000    3,880,860,000 2,009,364,000 2,045,738,000 2,004,352,000 1,957,621,000 1,896,530,000 1,850,068,000 1,832,200,000 1,791,163,000 1,760,707,000                         
        long-term debt, excluding current portion
      8,415,437,000 8,160,026,000 7,742,240,000 7,669,795,000 7,571,796,000 7,416,289,000 7,279,048 7,057,623 6,903,544 6,870,593,000 6,501,254,000 6,661,014,000 6,530,810 6,220,973 6,135,390 5,910,363,000 5,815,211,000 5,638,961,000 5,689,430,000 5,585,245,000 5,545,890,000 5,190,978,000 5,213,370,000 4,757,427,000 2,972,349,000 2,419,115,000 2,287,149,000 2,202,363,000 2,029,358,000 1,844,342,000 1,759,962,000 1,748,689,000 1,798,067,000 1,766,662,000 1,681,114,000 1,660,526,000 1,481,449,000 1,498,040,000 1,439,338,000 1,489,842,000 1,464,481,000 1,519,694,000 1,569,489,000 1,437,138,000 1,468,525,000 1,530,092,000 1,461,606,000 1,393,323,000 1,265,404,000 1,227,744,000 1,226,232,000 1,211,388,000 1,212,423,000 1,213,640,000 1,038,011,000 1,040,069,000 1,048,614,000 770,505,000 
        less: debt issuance costs and unamortized discount on debt
      53,814,000  50,149,000 46,801,000                                                       
        long-term debt, excluding current portion, net of debt issuance costs and unamortized discount on debt
      8,361,623,000 8,110,167,000 7,692,091,000 7,622,994,000                                                       
        commitments and contingencies
                                                                
        current liabilities:
                                                                
        current portion of long-term debt
      26,501,000 21,822,000 135,763,000 132,138,000 142,523,000 142,807,000 29,218 71,787 67,247 67,415,000 218,619,000 198,749,000 198,683 149,926 120,931 131,746,000 132,146,000 63,418,000 79,660,000 80,351,000 84,353,000 205,841,000 87,839,000 115,011,000 105,051,000 144,545,000 108,075,000 118,540,000 113,769,000 143,567,000 150,671,000 83,777,000 38,212,000 29,096,000 47,599,000 38,503,000 118,116,000 97,789,000 81,449,000 46,542,000 83,083,000 40,897,000 44,258,000 39,030,000 90,502,000 28,351,000 35,226,000 35,443,000 54,848,000 27,659,000 27,533,000 7,123,000 7,002,000 11,956,000 24,293,000 34,169,000 41,167,000 41,120,000 
        loans payable
      35,553,000 150,139,000 96,366,000 18,040,000 89,289,000 186,542,000 143,017 93,267 87,500 160,123,000 131,832,000 48,043,000 22,500 213,235 4,703 79,743,000 65,000,000 46,582,000 71,849,000 74,893,000 78,198,000 47,185,000 15,000,000 381,005,000 25,724,000 15,449,000 21,689,000  3,650,000 67,456,000 6,535,000 47,990,000 26,239,000 28,041,000 28,030,000 36,306,000 40,362,000 27,913,000 109,786,000 112,087,000 97,837,000 97,650,000 59,692,000 112,414,000 118,884,000 91,994,000 51,433,000 64,468,000 76,546,000 97,078,000 84,407,000 103,069,000 79,725,000 83,827,000 195,532,000 175,451,000 112,654,000 151,672,000 
        accounts payable
      171,960,000 276,080,000 197,258,000 198,132,000 182,914,000 258,615,000 231,443 204,772 161,210 221,191,000 191,924,000 178,902,000 155,722 217,597 194,105 161,511,000 192,932,000 163,836,000 131,815,000 121,593,000 177,489,000 158,197,000 124,117,000 115,611,000 74,919,000 77,331,000 56,026,000 42,450,000 59,165,000 46,376,000 59,872,000 44,073,000 40,651,000 33,971,000 45,077,000 47,510,000 38,112,000 31,547,000 41,382,000 46,960,000 31,600,000 45,078,000 42,040,000 33,842,000 42,708,000 29,471,000 49,700,000 35,841,000 26,310,000 29,521,000 27,157,000 30,801,000 28,256,000 23,420,000 27,428,000 26,729,000 28,875,000 13,075,000 
        book overdraft
      11,930,000 25,494,000 29,246,000 5,453,000 6,510,000 47,714,000 16,795 15,500 10,938 13,358,000 19,688,000 32,490,000 20,070 17,396 20,659  81,722,000 20,749,000 13,408,000  44,003,000 29,110,000 19,534,000  10,944,000 8,950,000 12,968,000 15,567,000 21,629,000                              
        accrued interest
      92,356,000 82,466,000 92,778,000 72,158,000 88,130,000 72,281,000 87,519 64,430 86,512 53,084,000 81,429,000 50,625,000 81,089 75,305 43,384 66,133,000 40,815,000 70,461,000 43,731,000 65,286,000 39,408,000 66,728,000 42,430,000 51,871,000 29,818,000 23,300,000 27,335,000 22,283,000 21,359,000 17,007,000 18,367,000 18,236,000 17,977,000 21,778,000 21,155,000 13,077,000 13,097,000 21,175,000 20,450,000 14,458,000 21,326,000 21,743,000 14,820,000 21,357,000 16,930,000 20,960,000 17,740,000 18,496,000 16,203,000 19,533,000 16,909,000 15,030,000 15,031,000 14,095,000 15,752,000 15,701,000 14,594,000 11,408,000 
        accrued taxes
      30,010,000 28,688,000 27,156,000 24,483,000 34,936,000 38,219,000 33,143 29,464 36,911 40,641,000 29,113,000 26,232,000 29,992 33,316 34,457 37,130,000 37,924,000 37,502,000 15,307,000 38,365,000 37,172,000 28,426,000 30,735,000 41,876,000 22,775,000 22,234,000 19,120,000 17,373,000 23,764,000 18,858,000 25,607,000 18,475,000 19,096,000 21,821,000 27,048,000 25,261,000 8,911,000 13,362,000 20,458,000 16,048,000 22,032,000 32,411,000 20,343,000 22,235,000 10,632,000 15,393,000 18,481,000 26,311,000 15,110,000 11,740,000 17,593,000 17,287,000 11,261,000 21,591,000 26,409,000 11,878,000 22,066,000 15,128,000 
        regulatory liabilities
      21,834,000 11,202,000 740,000 1,709,000 2,369,000 1,770,000 683 6,250 14,216 31,270,000 80,190,000 96,669,000 102,802 1,196 1,878 17,241,000 384,000 171,000 5,314,000 14,662,000 19,866,000 10,880,000 28,046,000 31,663,000 517,599,000 531,027,000 533,340,000 542,525,000 541,910,000 244,613,000 250,635,000 250,108,000 254,438,000 255,434,000 264,346,000 269,200,000 283,707,000 278,283,000 284,823,000 241,913,000 238,898,000 48,601,000 45,679,000 42,266,000 39,489,000 37,599,000 30,829,000 29,783,000 27,623,000 27,058,000 14,928,000 12,762,000 12,734,000 12,479,000 12,335,000 12,519,000 12,078,000  
        dividends payable
      97,063,000    90,055,000 89,441,000   83,999 83,929,000   75,876   67,863,000                        26,802,000  24,488,000       19,759,000   18,247,000       
        other accrued liabilities
      167,239,000 168,592,000 148,803,000 146,650,000 119,882,000 137,279,000 141,325 143,680 130,073 126,916,000 141,104,000 130,344,000 114,197 140,122 124,008 116,811,000 124,140,000 113,310,000 108,071,000 108,244,000 123,384,000 120,592,000 100,478,000 90,337,000 49,618,000 47,389,000 42,962,000 37,769,000 41,152,000 39,283,000 40,484,000 39,447,000 37,045,000 39,636,000 47,113,000 42,738,000 31,390,000 30,419,000 27,392,000 26,259,000 26,689,000 25,385,000 26,303,000 20,652,000 27,226,000 23,125,000 26,001,000 23,932,000 21,291,000 20,241,000 18,436,000 26,726,000 22,289,000 19,572,000 26,010,000 20,857,000 18,899,000 40,091,000 
        total current liabilities
      654,446,000 764,483,000 728,110,000 598,763,000 756,608,000 974,668,000 683,143 629,150 678,606 797,927,000 896,568,000 765,135,000 803,286 848,093 544,125 678,178,000 675,063,000 516,029,000 469,155,000 503,394,000 603,873,000 666,959,000 448,179,000 827,374,000 318,849,000 398,977,000 288,175,000 253,982,000 284,488,000 332,547,000 301,536,000 251,998,000 179,220,000 174,343,000 216,022,000 203,395,000 277,973,000 251,242,000 318,269,000 306,715,000 301,955,000 315,110,000 212,316,000 324,142,000 306,882,000 209,294,000 198,581,000 204,491,000 230,067,000 205,772,000 192,035,000 218,283,000 163,564,000 174,461,000 315,424,000 284,785,000 238,255,000 272,494,000 
        deferred credits and other liabilities:
                                                                
        deferred income taxes and investment tax credits
      2,219,580,000 2,090,120,000 2,011,269,000 2,002,082,000 1,965,139,000 1,831,868,000 1,788,225 1,764,108 1,733,947 1,628,324,000 1,486,979,000 1,459,002,000 1,413,661 1,304,548 1,511,182 1,481,253,000 1,406,537,000 1,352,425,000 1,349,873,000 1,310,000,000 1,258,098,000 1,238,328,000 1,215,898,000 1,192,900,000 936,158,000 845,403,000 839,271,000 808,711,000 769,073,000 1,339,583,000 1,269,253,000 1,236,516,000 1,190,204,000 1,152,343,000 1,115,672,000 1,079,678,000 926,447,000 901,391,000 835,003,000 800,997,000 752,367,000 634,444,000 625,423,000 607,113,000 545,102,000 514,223,000 414,357,000 411,397,000 391,851,000 375,907,000 365,525,000 341,875,000 326,990,000 307,966,000 290,945,000 287,104,000 287,703,000 197,153,000 
        customers' advances for construction
      118,428,000 115,465,000 117,396,000 113,268,000 113,861,000 113,323,000 120,154 118,121 125,191 128,755,000   118,269 121,247 109,457      99,014,000    95,556,000 93,343,000 94,112,000 93,342,000 93,186,000 91,131,000 91,843,000 93,023,000 87,694,000 86,546,000 87,253,000 84,037,000 78,394,000 73,728,000         68,995,000            
        operating lease liabilities
      20,076,000 21,608,000 23,004,000 24,482,000 26,034,000 27,447,000 29,153 31,051 32,415 34,425,000 35,133,000 36,387,000 38,629 39,657 41,736 43,946,000 48,230,000 50,086,000 51,992,000 53,542,000 55,642,000 57,500,000 59,338,000 60,970,000 11,645,000                                  
        pension and other postretirement benefit liabilities
      15,380,000 15,241,000 36,025,000 36,699,000 35,767,000 33,680,000 28,386 37,948 37,363 38,850,000 32,380,000 31,196,000 31,427 54,309 28,698 48,864,000 50,226,000 61,690,000 56,901,000 83,306,000 91,896,000 98,209,000 107,899,000 110,018,000                                   
        other
      62,692,000 60,814,000 53,519,000 23,540,000 26,558,000 23,928,000 23,859 23,719 23,699 24,086,000 24,326,000 24,648,000 27,287 25,929 28,328 35,998,000 43,666,000 50,856,000 50,334,000 46,310,000 56,713,000 48,087,000 50,405,000 48,864,000 102,465,000 97,182,000 101,761,000 104,325,000 107,341,000 105,051,000 115,583,000 107,623,000 109,450,000 110,509,000 98,043,000 94,933,000 68,121,000 75,230,000 152,703,000 151,037,000 155,812,000 123,003,000 119,870,000 119,521,000 107,122,000 112,367,000 111,668,000 111,080,000 117,146,000 118,745,000 118,388,000 62,573,000 65,407,000 65,861,000 76,203,000 85,213,000 83,541,000 13,697,000 
        total deferred credits and other liabilities
      3,145,770,000 3,006,533,000 2,961,724,000 2,921,559,000 2,896,019,000 2,795,851,000 2,794,957 2,785,200 2,791,550 2,676,198,000 2,535,219,000 2,485,480,000 2,397,016 2,318,698 2,476,320 2,475,387,000 2,423,151,000 2,405,775,000 2,398,415,000 2,381,487,000 2,336,009,000 2,377,781,000 2,206,816,000 2,201,974,000 1,663,423,000 1,566,955,000 1,568,484,000 1,548,903,000 1,511,510,000 1,780,378,000 1,727,314,000 1,687,270,000 1,641,786,000 1,604,832,000 1,565,314,000 1,527,848,000 1,356,669,000 1,328,632,000 1,344,456,000 1,265,772,000 1,215,925,000 881,954,000 873,755,000 837,409,000 757,856,000 730,868,000 625,849,000 620,369,000 614,505,000 599,708,000 572,731,000 489,102,000 488,246,000 468,684,000 457,509,000 461,728,000 461,401,000 285,014,000 
        contributions in aid of construction
      725,067,000 726,206,000 694,908,000 690,767,000 689,458,000 688,845,000 675,424 663,645 646,932 645,066,000 622,409,000 621,106,000 617,506 596,271 595,951 596,398,000 596,110,000 588,105,000 581,375,000 578,757,000 573,774,000 566,022,000 563,278,000 557,441,000 555,526,000 590,736,000 588,244,000 581,747,000 571,091,000 551,663,000 542,468,000 538,064,000 534,796,000 531,453,000 510,214,000 505,582,000 489,053,000 467,619,000 471,998,000 467,669,000 464,498,000 455,471,000 462,004,000 447,207,000 447,782,000 449,380,000 451,261,000 444,702,000 436,757,000 419,317,000 425,946,000 415,107,000 405,794,000 386,354,000 356,530,000 343,828,000 327,221,000 261,941,000 
        total liabilities and equity
      19,780,115,000 19,464,845,000 18,893,132,000 18,554,285,000 18,327,161,000 18,026,554,000 17,564,626 17,252,116 17,054,344 16,841,459,000 16,432,793,000 16,101,935,000 15,818,266 15,279,792 15,046,164 14,877,023,000 14,658,278,000 14,236,485,000 13,933,992,000 13,821,915,000 13,705,277,000 13,399,488,000 13,028,408,000 12,928,986,000 9,361,985,000 6,964,496,000 6,757,101,000 6,570,345,000 6,332,463,000 6,383,699,000 6,158,991,000 6,036,025,000 5,922,839,000 5,815,443,000 5,701,345,000 5,600,278,000 5,191,525,000 5,099,767,000                     
        assets
                                                                
        see accompanying notes to consolidated financial statements.
                                                                
        essential utilities stockholders' equity:
                                                                
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 286,505,895 and 278,209,660 as of december 31, 2025 and december 31, 2024
       143,253,000                                                         
        less: debt issuance costs
       49,859,000   46,811,000 47,908,000 48,880 46,736 47,415 44,508,000 45,214,000 45,498,000 46,294 47,345 47,654 38,403,000 35,707,000 40,247,000 41,198,000 37,309,000 38,146,000 38,005,000 38,769,000 28,393,000 29,022,000 20,651,000 20,689,000 21,002,000 21,605,000 21,761,000 22,357,000 22,196,000 22,193,000 22,554,000                         
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 286,390,638 and 278,209,660 as of september 30, 2025 and december 31, 2024
        143,195,000                                                        
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 283,901,142 and 278,209,660 as of june 30, 2025 and december 31, 2024
         141,951,000                                                       
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 280,106,564 and 278,209,660 as of march 31, 2025 and december 31, 2024
          140,053,000                                                      
        long-term debt, excluding current portion, net of debt issuance costs
          7,524,985,000 7,368,381,000 7,230,168 7,010,887 6,856,129 6,826,085,000 6,456,040,000 6,615,516,000 6,484,516 6,173,628 6,087,736 5,871,960,000 5,779,504,000 5,598,714,000 5,648,232,000 5,547,936,000 5,507,744,000 5,152,973,000 5,174,601,000 4,729,034,000 2,943,327,000 2,398,464,000 2,266,460,000 2,181,361,000 2,007,753,000 1,822,581,000 1,737,605,000 1,726,493,000 1,775,874,000 1,744,108,000                         
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 278,209,660 and 276,595,228 as of december 31, 2024 and december 31, 2023
           139,105,000                                                     
        asset retirement obligations
           860,000 857 854 851 848,000 845,000 842,000 846 1,274 1,268 1,262,000 1,256,000 1,363,000 1,355,000 1,348,000 1,336,000 50,927,000 50,125,000 49,272,000                                   
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 277,950,436 and 276,595,228 as of september 30, 2024 and december 31, 2023
            138,975                                                    
        the accompanying notes are an integral part of these condensed consolidated financial statements
                                                                
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 277,016,906 and 276,595,228 as of june 30, 2024 and december 31, 2023
             138,508                                                   
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 276,878,103 and 276,595,228 as of march 31, 2024 and december 31, 2023
              138,438                                                  
        current assets held for sale
                7,461,000 7,378,000 9,484                                              
        non-current assets held for sale
                37,327,000 34,419,000 32,959                                              
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 276,595,228 and 266,973,321 as of december 31, 2023 and december 31, 2022
               138,297,000                                                 
        liabilities related to assets held for sale
                2,669,000 3,081,000 2,355                                              
        non-current liabilities related to assets held for sale
                758,000 803,000 948                                              
        stockholders’ equity:
                                                                
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 276,471,716 and 266,973,321 as of september 30, 2023 and december 31, 2022
                138,235,000                                                
        total stockholders’ equity
                5,922,557,000 5,614,698,000    5,255,100,000 5,184,450,000 5,127,862,000 4,836,815,000 4,810,341,000  4,635,753,000 4,635,534,000 4,613,163,000                                  676,876,000 
        customers’ advances for construction
                129,139,000 125,362,000    104,403,000 103,619,000 110,939,000 108,605,000 102,830,000  105,613,000 100,584,000 99,447,000               71,927,000 71,825,000 68,848,000 75,906,000 82,783,000 68,509,000 66,143,000 66,679,000  68,109,000 77,885,000 77,998,000 73,890,000 71,892,000 83,115,000 82,378,000 78,026,000 76,892,000 78,079,000 74,164,000 
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 267,818,219 and 266,973,321 as of june 30, 2023 and december 31, 2022
                 133,909,000                                               
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 267,695,463 and 266,973,321 as of march 31, 2023 and december 31, 2022
                  133,848                                              
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 265,530,007 and 256,102,388 as of september 30, 2022 and december 31, 2021
                   132,764                                             
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 265,415,337 and 256,102,388 as of june 30, 2022 and december 31, 2021
                    132,707                                            
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 256,281,789 and 256,102,388 as of march 31, 2022 and december 31, 2021
                     128,140,000                                           
        essential utilities stockholders’ equity:
                                                                
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 256,102,388 and 248,571,355 as of december 31, 2021 and december 31, 2020
                      128,050,000                                          
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 255,981,932 and 248,571,355 as of september 30, 2021 and december 31, 2020
                       127,990,000                                         
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 249,001,181 and 248,571,355 as of june 30, 2021 and december 31, 2020
                        124,500,000                                        
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 248,882,867 and 248,571,355 as of march 31, 2021 and december 31, 2020
                         124,441,000                                       
        assets held for sale
                           692,000 1,558,000 1,558,000 1,558,000 3,139,000 1,558,000 1,558,000 1,543,000 1,543,000 1,728,000 3,606,000 1,641,000 1,779,000                         
        investment in joint venture
                           1,757,000 5,943,000 5,473,000 5,984,000 6,959,000 6,689,000 7,474,000 6,671,000 6,786,000 7,026,000 8,859,000 7,238,000 7,467,000 41,397,000 42,536,000 46,170,000 47,666,000 45,316,000 46,218,000 42,471,000                  
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 248,571,355 and 223,871,284 as of december 31, 2020 and december 31, 2019
                          124,285,000                                      
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 248,457,751 and 223,871,284 as of september 30, 2020 and december 31, 2019
                           124,228,000                                     
        common stock at 0.50 par value, authorized 600,000,000 shares, issued 248,342,756 and 223,871,284 as of june 30, 2020 and december 31, 2019
                            124,171,000                                    
        common stock at 0.50 par value, authorized 300,000,000 shares, issued 248,234,603 and 223,871,284 as of march 31, 2020 and december 31, 2019
                             124,117,000                                   
        inventory, materials and supplies
                              18,379,000 15,844,000 16,142,000 16,046,000 14,361,000 16,838,000 12,961,000 12,298,000 11,714,000 12,499,000 12,924,000 13,589,000 12,294,000 11,794,000 12,433,000 12,542,000 11,994,000 12,178,000 11,674,000 10,954,000 11,794,000 10,937,000 9,916,000 9,987,000 10,277,000 9,723,000 9,358,000 11,124,000 10,912,000 10,165,000    7,196,000 
        common stock at 0.50 par value, authorized 300,000,000 shares, issued 223,871,284 and 181,151,827 as of december 31, 2019 and december 31, 2018
                              111,935,000                                  
        interest rate swap agreements
                               59,779,000                                 
        accounts receivable and unbilled revenues
                               101,225,000 114,286,000 103,931,000 98,596,000 98,890,000 97,394,000 109,986,000 99,718,000 91,761,000 111,076,000 109,478,000 100,474,000 89,892,000 98,303,000 98,313,000 89,490,000 103,715,000 99,027,000 77,857,000 93,579,000 79,132,000 85,597,000 73,690,000 86,075,000 84,851,000 77,280,000 94,086,000 81,864,000 73,674,000 94,356,000 89,432,000 73,660,000 67,575,000 
        aqua america stockholders' equity:
                                                                
        common stock at .50 par value, authorized 300,000,000 shares, issued 181,151,827 and 180,700,251 in 2018 and 2017
                               90,576,000                                 
        accumulated other comprehensive income
                                  860,000 764,000 669,000 656,000 636,000 624,000 619,000 843,000 793,000 667,000 223,000 163,000 106,000 76,000 187,000 208,000 522,000 501,000 -148,000 -148,000 118,000 260,000 23,000 -16,000 189,000  1,315,000 412,000 199,000  
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,998,152 and 180,700,251 as of september 30, 2018 and december 31, 2017
                                90,499,000                                
        see notes to consolidated financial statements beginning on page 9 of this report.
                                                                
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,971,159 and 180,700,251 as of june 30, 2018 and december 31, 2017
                                 90,486,000                               
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,700,251 and 180,311,345 in 2017 and 2016
                                  90,350,000                              
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,635,368 and 180,311,345 as of june 30, 2017 and december 31, 2016
                                   90,317,000                             
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,311,345 and 179,363,660 in 2016 and 2015
                                    90,155,000                            
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,268,028 and 179,363,660 as of september 30, 2016 and december 31, 2015
                                     90,134,000                           
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,235,772 and 179,363,660 as of june 30, 2016 and december 31, 2015
                                      90,118,000                          
        common stock at .50 par value, authorized 300,000,000 shares, issued 180,176,073 and 179,363,660 as of march 31, 2016 and december 31, 2015
                                       90,088,000                         
        see notes to consolidated financial statements beginning on page 8 of this report.
                                                                
        deferred income taxes
                                        28,483,000 35,207,000 41,867,000 49,846,000 40,385,000 46,164,000 32,855,000 10,422,000 18,811,000 27,854,000 20,764,000 16,116,000             
        common stock at .50 par value, authorized 300,000,000 shares, issued 179,192,150 and 178,591,254 as of september 30, 2015 and december 31, 2014
                                        89,596,000                        
        total aqua america stockholders' equity
                                        1,728,681,000 1,702,927,000 1,586,158,000 1,554,011,000     1,302,167,000    1,129,523,000            
        noncontrolling interest
                                          223,000 223,000 197,000 194,000 194,000 518,000 516,000 515,000 581,000 576,000 559,000 558,000 552,000 2,282,000 2,231,000        
        total equity
                                        1,728,681,000 1,702,927,000 1,586,381,000 1,554,234,000 1,500,037,000 1,428,319,000 1,418,465,000 1,314,925,000 1,302,683,000 1,273,446,000 1,212,137,000 1,192,692,000 1,130,082,000 1,115,602,000 1,077,908,000 1,077,723,000 1,065,025,000        
        common stock at .50 par value, authorized 300,000,000 shares, issued 179,102.369 and 178,591,254 as of june 30, 2015 and december 31, 2014
                                         89,551,000                       
        assets of discontinued operations held for sale
                                          30,330,000 32,250,000 28,607,000 29,047,000 32,863,000 85,503,000 504,000 112,057,000               
        common stock at .50 par value, authorized 300,000,000 shares, issued 178,451,832 and 177,928,922 as of june 30, 2014 and december 31, 2013
                                          89,226,000                      
        liabilities of discontinued operations held for sale
                                          27,985,000 29,037,000 17,352,000 17,559,000 19,388,000 27,458,000 4,860,000 74,612,000               
        income tax receivable
                                           1,211,000 16,082,000 16,082,000 16,082,000    33,600,000 33,600,000             
        common stock at .50 par value, authorized 300,000,000 shares, issued 178,316,578 and 177,928,922 as of march 31, 2014 and december 31, 2013
                                           89,158,000                     
        aqua america stockholders’ equity:
                                                                
        common stock at .50 par value, authorized 300,000,000 shares, issued 177,880,647 and 175,985,437 in 2013 and 2012
                                            88,940,000                    
        total aqua america stockholders’ equity
                                            1,499,840,000 1,428,125,000 1,418,271,000 1,314,407,000  1,272,931,000 1,211,556,000 1,192,116,000  1,115,044,000 1,077,356,000 1,075,441,000 1,062,794,000        
        common stock at .50 par value, authorized 300,000,000 shares, issued 142,225,713 and 140,943,621 in 2013 and 2012
                                             71,113,000                   
        common stock at .50 par value, authorized 300,000,000 shares, issued 141,507,824 and 140,943,621 in 2013 and 2012
                                              70,754,000                  
        common stock at .50 par value, authorized 300,000,000 shares,issued 140,697,726 and 139,525,580 in 2012 and 2011
                                               70,348,000                 
        common stock at .50 par value, authorized 300,000,000 shares, issued 140,323,118 and 139,525,580 in 2012 and 2011
                                                70,161,000                
        common stock at .50 par value, authorized 300,000,000 shares, issued 139,810,219 and 139,525,580 in 2012 and 2011
                                                 69,904,000               
        common stock at .50 par value, authorized 300,000,000 shares, issued 139,105,938 and 138,449,039 in 2011 and 2010
                                                  69,552,000              
        common stock at .50 par value, authorized 300,000,000 shares, issued 138,906,683 and 138,449,039 in 2011 and 2010
                                                   69,452,000             
        common stock at .50 par value, authorized 300,000,000 shares, issued 137,846,662 and 137,148,749 in 2010 and 2009
                                                    68,923,000            
        common stock at .50 par value, authorized 300,000,000 shares, issued 137,621,149 and 137,148,749 in 2010 and 2009
                                                     68,810,000           
        common stock at .50 par value, authorized 300,000,000 shares, issued 136,942,380 and 136,053,467 in 2009 and 2008
                                                      68,470,000          
        liabilities and stockholders’ equity
                                                                
        common stock at .50 par value, authorized 300,000,000 shares, issued 136,596,294 and 136,053,467 in 2009 and 2008
                                                       68,297,000         
        common stock at .50 par value, authorized 300,000,000 shares, issued 136,341,948 and 136,053,467 in 2009 and 2008
                                                        68,170,000        
        common stockholders’ equity:
                                                                
        common stock at .50 par value, authorized 300,000,000 shares, issued 135,849,342 and 134,099,240 in 2008 and 2007
                                                         67,924,000       
        total common stockholders’ equity
                                                         1,028,019,000 1,022,114,000 980,715,000 964,939,000 944,266,000 928,164,000  
        minority interest
                                                         2,140,000 2,096,000 2,029,000 1,922,000 1,858,000 1,862,000 1,029,000 
        common stock at .50 par value, authorized 300,000,000 shares, issued 135,555,067 and 134,099,240 in 2008 and 2007
                                                          67,778,000      
        common stock at .50 par value, authorized 300,000,000 shares, issued 134,333,632 and 134,099,240 in 2008 and 2007
                                                           67,167,000     
        materials and supplies
                                                            9,558,000 9,859,000 8,581,000  
        common stock at .50 par value, authorized 300,000,000 shares, issued 133,934,833 and 133,017,325 in 2007 and 2006
                                                            66,967,000    
        common stock at .50 par value, authorized 300,000,000 shares, issued 133,601,217 and 133,017,325 in 2007 and 2006
                                                             66,801,000   
        common stock at .50 par value, authorized 300,000,000 shares, issued 133,261,172 and 133,017,325 in 2007 and 2006
                                                              66,630,000  
        less accumulated depreciation
                                                               530,051,000 
        common stock at .50 par value, authorized 300,000,000 shares,
                                                                
        issued 93,673,802 and 93,270,424 in 2004 and 2003
                                                               46,837,000 
        commitments
                                                                
        see notes to consolidated financial statements on page 6 of this report.
                                                                
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2018-12-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-03-31 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 
                                                       
          cash flows from operating activities:
                                                       
          net income
        224,392,000 483,301,384 -283,397,384 283,789,000 594,903,441 265,772 80,076,000 282,510,566 191,434 68,638 -199,094,333 199,376,000 116,506,000 50,503,000 80,914,000 183,689,000 102,707,000 55,732,000 74,629,000 51,781,000 -3,657,000 49,649,000 73,170,000 59,626,000 51,737,000 67,429,000 55,569,000 42,859,000  63,617,000 53,586,000 46,565,000 50,659,000 41,445,000 37,904,000       35,380,000 22,552,000 14,321,000 29,518,000 23,727,000 16,858,000 
          adjustments to reconcile net income to net cash flows from operating activities:
                                                       
          depreciation and amortization
        110,729,000 309,759,104 -99,174,104 99,377,000 369,278,949 89,804 86,035,000 169,371,206 83,794 82,730 -78,188,478 78,346,000 76,329,000 74,507,000 74,172,000 72,944,000 70,981,000 69,941,000 69,892,000 46,245,000 36,158,000 33,996,000 34,270,000 32,147,000 32,595,000 32,797,000 31,972,000 32,114,000  31,363,000 30,882,000 30,629,000 27,463,000 30,236,000 28,810,000 29,249,000 30,116,000 29,372,000 28,465,000 28,036,000 29,142,000 24,624,000 21,631,000 22,654,000 22,226,000 21,689,000 21,345,000 
          deferred income taxes
        4,408,000 -15,594,296 18,588,296 -18,605,000 -27,757,569 -12,323 -5,830,000 -34,677,743 -33,257 1,016 19,760,190 -19,774,000 -21,159,000 -6,949,000 259,000 19,335,000 -18,902,000 13,079,000 6,742,000 -18,701,000 -15,031,000 1,905,000 10,294,000 3,615,000 1,436,000 8,463,000 4,153,000 3,692,000  2,171,000 6,492,000 11,232,000 20,330,000 32,186,000 6,982,000 20,735,000 2,704,000 1,791,000 15,390,000 9,827,000 8,391,000 14,378,000 18,508,000 1,672,000 3,064,000 2,385,000 2,412,000 
          provision for doubtful accounts
        3,877,000   357,000   5,427,000     5,991,000 6,116,000 4,709,000 7,590,000 8,921,000  11,999,000 9,395,000 2,204,000   1,432,000 1,284,000 817,000 1,460,000 1,633,000 1,508,000  1,326,000 1,090,000 922,000 1,058,000 1,136,000 878,000 962,000 1,118,000 1,115,000 1,492,000 1,622,000 1,494,000       
          stock-based compensation
        2,678,000 11,836,091 -2,597,091 2,604,000 9,779,637 1,061 1,979,000 6,946,578 3,422 2,693 -2,726,529 2,732,000 2,735,000 2,290,000 2,329,000 2,724,000 2,318,000 2,134,000 2,020,000 1,688,000 2,236,000  1,442,000 1,394,000 806,000 1,046,000 2,207,000 1,331,000  1,349,000 1,679,000 1,015,000 1,153,000 1,647,000 1,220,000 970,000 1,213,000 946,000 884,000 1,101,000 729,000 913,000 1,051,000 978,000 964,000 1,381,000 963,000 
          gain on sale of utility system and other assets
        523,000                                               
          net change in receivables, deferred purchased gas costs, inventory and prepayments
        3,311,000 14,064,085 9,161,915 -9,126,000 -103,325,457 122 -34,726,000 300,428,376 219,624                                       
          net change in payables, accrued interest, accrued taxes and other accrued liabilities
        -80,234,000 -29,832,938 47,900,938 -47,945,000 26,922,297 -18,212 85,473,000 -90,680,639 -58,361 70,067 5,349,778 -5,354,000 -10,991,000 94,768,000 -24,831,000 -53,756,000 -14,250,000 51,450,000 -31,488,000 -7,531,000 -3,763,000 4,997,000 2,454,000 -7,575,000 4,880,000 14,131,000                      
          other
        -4,279,000 20,061,863 10,684,137 -10,697,000 -20,413,451 -1,642 -15,229,000 -23,998,689 -9,311 1,658 -270,819 256,000 2,815,000 7,743,000 -1,021,000 -2,183,000 507,000 4,090,000 -148,000 -2,945,000 2,138,000 1,885,000 -1,252,000 2,827,000 -1,691,000 1,455,000 -7,217,000 -7,833,000 -2,560,000 5,081,000 -1,084,000 -1,704,000 3,822,000 -1,982,000 -4,489,000 -6,520,000 -373,000 -2,860,000 -5,634,000 -739,000 -182,000 -2,224,000 -1,069,000 -1,029,000 -2,130,000 2,269,000 2,981,000 
          net cash flows from operating activities
        265,405,000 803,775,166 -298,945,166 299,517,000 769,720,490 240,713 183,147,000 621,020,372 401,628 102,857 -310,187,698 310,604,000 82,827,000 148,984,000 157,387,000 255,481,000 87,369,000 175,453,000 149,681,000 95,521,000 77,793,000 107,529,000 110,601,000 82,820,000 94,838,000 125,364,000 64,129,000 89,929,000 -120,454,000 120,191,000 70,421,000 88,986,000 120,872,000 67,409,000 77,933,000 74,091,000 35,309,000 64,457,000 74,356,000 43,853,000 62,696,000 78,102,000 34,115,000 43,874,000 72,273,000 13,318,000 47,622,000 
          cash flows from investing activities:
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,816 and 1,891
        -269,249,000                                               
          acquisitions of utility systems
        -18,204,000 -56,983,464 17,531,464 -17,552,000   -19,510,000 -25,792,864 -136 -54,373 49,958,990 -50,009,000      28,000 -21,004,000 -3,446,056,000                            
          proceeds from the sale of utility systems and other assets
        39,000                                               
          convertible note investment
        20,000,000                                               
          net cash flows from investing activities
        -267,461,000   -287,880,000   -346,315,000     -233,232,000 -345,188,000 -307,089,000 -226,069,000 -177,712,000  -259,710,000 -195,333,000 -3,564,602,000   -101,313,000 -93,187,000 -74,632,000 -107,095,000 -72,370,000 -63,783,000  -70,536,000 -80,867,000 -23,093,000 -95,555,000 -121,649,000 -51,430,000 -51,349,000 -76,209,000 -64,319,000 -94,897,000 -50,106,000 -38,631,000 -85,738,000 -42,532,000 -38,405,000 -60,974,000 -57,437,000 -134,362,000 
          cash flows from financing activities:
                                                       
          customers' advances and contributions in aid of construction
        9,717,000 15,360,846 -7,054,846 7,065,000 19,552,755 4,094   7,010 4,936           1,427,000 1,257,000 2,801,000 1,932,000 1,273,000 1,414,000 2,040,000 1,142,000                    
          repayments of customers' advances
        -518,000 -3,698,808 1,314,808 -1,317,000 -8,559,879 -2,171   -984 -825           -3,454,000 -1,881,000 -600,000 -933,000 -349,000 -637,000 -1,060,000 -234,000       -835,000             
          net repayments of short-term debt
        -114,586,000 -90,007,498 97,083,498 -97,252,000  -72,623        -25,267,000    32,185,000                              
          net repayments from commercial paper program
        -253,000,000                                               
          proceeds from other long-term debt
        510,100,000 1,311,460,275                                              
          repayments of other long-term debt
        -813,000 -1,145,180,699                                              
          change in cash overdraft position
        -13,564,000 -18,425,739 41,161,739 -41,204,000 34,352,563 -2,420 -12,801,000 3,803,624 -8,624 -3,265 81,660,939 -81,722,000 60,974,000 7,340,000 13,408,000 -44,003,000 14,893,000 9,576,000 19,533,000 -10,943,000 -4,017,000 4,510,000 2,752,000 1,912,000 -17,250,000 1,129,000 2,625,000 -21,753,000  -10,551,000 10,551,000 -11,881,000 6,267,000 -2,824,000 -17,551,000 -7,792,000 53,000 -9,362,000 -3,121,000 2,413,000 -9,741,000 365,000 -1,776,000 -6,938,000 -5,928,000 1,504,000 -8,150,000 
          proceeds from issuance of common stock under dividend reinvestment plan
        3,792,000 11,459,431 -3,804,431 3,812,000 15,464,397 3,882 3,992,000 8,064,883 4,117 4,250 -4,108,829 4,117,000 4,202,000 4,341,000 4,095,000 4,161,000                                
          proceeds from issuance of common stock from at-the-market sale agreement
        1,800,000 299,908,424 -62,871,424 63,080,000 36,101,917  303,689,000 19,274,706 19,294                                       
          proceeds from exercised stock options
        209,000 508,583 -341,583 342,000 2,470,462 175 20,000 208,897 103 670 -1,010,761 1,012,000 879,000 1,787,000 792,000 714,000 374,000 148,000 117,000 950,000 257,000 424,000 267,000 753,000 2,816,000 1,066,000 1,935,000 2,757,000 757,000 4,279,000 12,761,000 7,901,000 4,860,000 5,868,000 2,005,000 4,907,000 323,000 1,088,000 39,000 740,000 800,000 102,000 785,000 651,000 2,850,000 2,828,000 1,082,000 
          repurchase of common stock
        -2,925,000 -2,272,763 2,231,763 -2,234,000 -4,045,766 -2,231 -2,000 -3,949,089 -3,911 -29 1,010,973 -1,012,000 -4,000 -8,000 -17,000 -3,262,000 -20,000 -2,000 -4,000 -4,339,000 -63,000 -123,000 -46,000 -32,000 -2,827,000 -12,311,000 -376,000 -1,973,000 -8,000 -1,105,000 -10,092,000 -1,618,000 -332,000 -449,000 -683,000 -734,000 -183,000 -344,000 -2,000 -300,000 -3,000 -12,000 -283,000 -590,000 -149,000 -103,000 
          dividends paid on common stock
        -96,996,000 -276,691,287 89,282,287 -89,463,000 -346,134,989 -83,930 -81,230,000 -151,610,192 -75,808 -75,246 67,682,892 -67,821,000 -67,788,000 -67,758,000 -61,584,000 -61,520,000 -61,492,000 -61,460,000 -57,414,000 -52,205,000 -38,970,000 -33,929,000 -33,923,000 -31,558,000 -31,513,000 -31,446,000 -26,914,000 -26,873,000 -26,861,000 -26,836,000 -24,630,000 -24,562,000 -23,060,000 -22,957,000 -22,915,000 -21,388,000 -19,860,000 -19,818,000 -18,373,000 -18,313,000 -18,283,000 -16,875,000 -16,705,000 -16,678,000 -16,633,000 -15,253,000 -15,220,000 
          net cash flows from financing activities
        43,204,000   -9,000 397,334,642  160,031,000     -29,641,000 263,192,000    222,985,000 85,524,000 21,031,000 1,632,007,000     -19,454,000  -5,409,000 -13,696,000    -52,061,000 -24,242,000 54,084,000 -29,504,000 -21,417,000  -7,221,000 24,734,000 3,331,000 -22,265,000 8,804,000 6,708,000 -3,500,000 -7,215,000 40,515,000 57,803,000 
          net change in cash and cash equivalents
        41,148,000 -2,774,915 -11,612,085 11,628,000  30,588 -3,137,000 235,249 8,751 10,390 -47,728,591 47,731,000  1,332,000 -9,642,000 13,219,000  1,267,000 -24,621,000 -1,837,074,000   -1,211,000 942,000 752,000 -544,000                      
          cash and cash equivalents at beginning of period
        34,778,000 9,146,844 -9,146,844 9,156,000  4,612 11,386,602 11,398 -10,556,433 10,567,000  4,827,000  1,868,922,000   3,229,000 5,058,000  5,521,000 8,204,000 5,934,000 21,869,000 14,944,000 14,540,000 44,039,000 
          cash and cash equivalents at end of period
        75,926,000 6,371,929 -20,758,929 20,784,000  35,200 -3,137,000 11,621,851 20,149 10,390 -58,285,024 58,298,000  1,332,000 -9,642,000 18,046,000  1,267,000 -24,621,000 31,848,000   -1,211,000 942,000 3,981,000 -544,000 -13,650,000 17,508,000  2,121,000 -15,081,000 19,353,000 1,075,000 -156,000 5,203,000 7,259,000 -1,674,000 14,786,000 4,193,000 -2,922,000 16,744,000 1,168,000 -1,709,000 16,509,000 4,084,000 -3,604,000 15,102,000 
          non-cash investing activities:
                                                       
          property, plant and equipment additions purchased at the period end, but not yet paid for
        137,746,000 135,749,846 -109,852,846 109,976,000  91,576 -18,353,000 124,416,864 86,136 3,304 -74,356,527 74,451,000  3,975,000 1,738,000 73,014,000  18,598,000 22,503,000 55,881,000   2,685,000 1,811,000 19,052,000 -2,809,000                      
          non-cash utility property contributions
        6,128,000 18,575,878 -5,909,878 5,919,000 38,802,902 5,740 10,933,000 25,966,874 13,126                                       
          the accompanying notes are an integral part of these consolidated financial statements
                                                       
          gain on sale of utility systems and other assets
         -668,507 236,507 -237,000  -91,625 285,000 -468,751 -249   -19,000    -91,000                                
          pension and other postretirement benefits contributions
            -9,384,606     -5,826   -26,000 -2,138,000 -6,608,000 -6,363,000 -4,182,000 -12,316,000 -3,748,000 -36,000 -1,645,000                           
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 5,795 and 5,381
                                                       
          net proceeds from the sale of utility systems and other assets
         804,463 -239,463 240,000 167,302,726 166,563 21,000 612,663 337                                       
          net proceeds from commercial paper program
         151,957,600                                              
          benefit from doubtful accounts
            21,849,182 7,756   4,532 5,726                                      
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,145 and 3,482
                                                       
          net cash flows used in investing activities
            -1,162,514,956 -86,483   -243,208 -349,056                                      
          net cash flows from (used in) financing activities
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,891 and 1,807
           -270,539,000                                            
          proceeds from long-term debt
           708,150,000 1,648,151,589 618,008 296,488,000 384,485,230 229,770 174,506 -164,229,624 165,000,000 300,018,000 34,977,000 675,176,000 85,000,000 409,175,000 118,999,000 2,037,480,000 801,184,000 928,955,000 269,298,000 64,991,000 72,983,000 96,314,000 74,983,000 42,882,000 73,192,000 -89,365,000 16,252,000 137,059,000 35,010,000 11,090,000 139,964,000 28,112,000  69,995,000 31,334,000 66,128,000 3,402,000 303,000 1,408,000 15,386,000 56,000 4,004,000 1,750,000 84,240,000 
          repayments of long-term debt
           -551,150,000 -1,026,448,278 -586,649 -434,030,000 -136,489,111 -114,889 -57,207 66,558,415 -67,023,000 -51,730,000 -98,339,000 -573,172,000 -46,305,000 -173,217,000 -20,054,000 -1,615,791,000 -11,509,000 -762,554,000 -191,728,000 -68,709,000 -32,309,000 -80,341,000 -45,027,000 -39,036,000 -31,874,000 27,695,000 -31,381,000 -148,923,000 -77,991,000 -64,159,000 -16,874,000 -28,232,000 -1,891,000 -2,016,000 -48,881,000 -2,855,000 -1,730,000 -1,920,000 -2,331,000 -21,605,000 -13,508,000 -15,930,000 -17,546,000 -1,696,000 
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 7,372, 5,241 and 6,047
                                                       
          acquisitions of utility systems and other
                             -3,797,000 -1,165,000 -4,461,000 -408,000 -422,000 -4,045,000 14,138,000 -3,683,000 -47,000 -10,674,000 -12,052,000 -102,701,000 -1,297,000  -1,416,000 -205,000 -353,000 -880,000 -290,000 -12,625,000   -469,000 -13,503,000 -27,843,000 
          net proceeds (repayments) of short-term debt
              83,789,000 -180,251,000 -206,000   14,744,000                  -2,301,000              26,909,000 20,081,000 62,797,000 -6,496,000 
          net increase in cash and cash equivalents
                                   12,450,000    13,832,000 1,075,000 -156,000 -3,001,000 1,325,000  -7,083,000 4,193,000 -2,922,000 1,800,000 1,168,000 -1,709,000 1,969,000   -28,937,000 
          cash and cash equivalents at beginning of year
                                                       
          cash and cash equivalents at end of year
                                                       
          cash paid during the year for:
                                                       
          interest, net of amounts capitalized
                                                       
          income taxes
                                                       
          property, plant and equipment additions purchased at the period end, but not yet paid
                                                       
          see accompanying notes to consolidated financial statements.
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 5,381 and 4,502
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,807 and 1,428
             -252,998                                          
          net cash flows used in financing activities
             -123,642   -149,669                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,502 and 4,527
                                                       
          customers’ advances and contributions in aid of construction
              3,776,000     2,962,000 2,791,000 3,485,000 4,272,000 4,716,000  4,474,000 1,539,000 1,462,000          1,365,000 1,364,000 800,000 1,957,000 1,101,000 2,684,000 643,000  2,886,000 1,328,000 1,943,000 581,000 1,466,000 2,097,000 1,769,000 2,546,000 2,797,000 2,511,000 
          repayments of customers’ advances
              -3,264,000     -159,000 -4,634,000 -1,130,000 -990,000 -971,000  -2,165,000 -762,000 -1,065,000          -1,069,000 -374,000 -577,000 -2,412,000   -987,000  -4,290,000 -764,000 -833,000 -473,000 -1,407,000 -739,000 -850,000 -921,000 -1,235,000 -1,089,000 
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 2,587 and 3,013
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,428 and 1,449
                -243,730                                       
          gain on sale of other assets
                 -299        -233,000 -20,000 -105,000 -116,000  -62,000 -121,000 -207,000       -92,000 -320,000 -64,000 -442,000 -121,000 -110,000 -1,929,000 -162,000 -80,000 -133,000 -532,000   -260,000 -319,000 -69,000 
          net change in receivables, inventory and prepayments
                 -123,546 -49,043,258 49,050,000  -76,049,000 25,300,000 30,261,000 -60,234,000 -20,442,000 22,407,000 22,921,000 34,000 11,261,000 -11,105,000 -9,810,000 5,680,000 -1,247,000                      
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,527 and 2,885
                                                       
          net proceeds from the sale of other assets
                 312 -18,515 19,000  460,000 860,000 100,000  831,000 72,000 160,000                  3,031,000          
          proceeds from issuance of common stock from forward equity sale agreement
                                                      
          non-cash customer advances and contributions in aid of construction
                 12,947 -1,820,211 1,829,000  12,424,000 8,654,000 8,997,000  9,438,000 10,246,000 8,637,000                            
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 3,013 and 1,393
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,449 and 170
                   -183,322,000                                    
          loss on interest rate swap agreements
                                                       
          loss on debt extinguishment
                                                       
          settlement of interest rate swap agreements
                                                       
          net change in receivables, inventory, deferred purchased gas costs and prepayments
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,510, 4,434 and 4,231
                                                       
          extinguishment of long-term debt
                                                       
          proceeds from issuance of common stock from private placement
                                                       
          proceeds from tangible equity unit issuance
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 2,885 and 2,957
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,393 and 1,708
                                                       
          cash flows (used in) from financing activities:
                                                       
          net cash flows (used in) from financing activities
                      59,040,000 -64,550,000      6,599,000 -10,499,000      -104,718,000 -47,534,000                  
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 170 and 873
                       -178,009,000                                
          net proceeds of short-term debt
                       -3,305,000    174,281,000   21,751,000 -1,802,000 11,320,000 -8,276,000      17,453,000   4,643,000 2,326,000 -13,035,000 36,981,000  12,672,000 3,817,000 23,344,000      
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,434, 4,231, and 3,332
                                                       
          proceeds from stock issued to finance acquisition
                                                       
          loss on sale of utility system
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 2,957 and 3,253
                                                       
          issuance of common stock under dividend reinvestment plan
                         4,261,000 3,999,000 4,062,000                            
          issuance of common stock from private placement
                         -834,000 730,135,000                            
          gain on sale of utility system
                                -1,215,000          -2,452,000           
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,708 and 2,117
                                                       
          interest rate swap agreements
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 873 and 1,030
                           -118,734,000                            
          (gain) loss on sale of utility system and market-based business unit
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 4,231, 3,332, and 3,578
                                                       
          gain on sale of utility system and market-based business unit
                             1,080,000 -42,000                         
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 3,332, 3,578, and 2,220
                                                       
          proceeds from issuing common stock
                            4,062,000 359,000 359,000 338,000 332,000    -188,000 3,662,000 3,389,000 3,427,000 3,303,000 3,229,000 3,200,000 3,201,000 3,113,000 3,075,000 2,880,000 3,017,000 2,879,000 2,731,000 25,009,000 2,628,000 2,708,000 2,527,000 2,524,000 
          share-based compensation windfall tax benefits
                                                       
          non-cash customer advances for construction
                                                       
          loss on sale of market-based business unit
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 2,550 and 2,533
                                                       
          net proceeds from the sale of market-based business unit and other assets
                                                       
          see notes to consolidated financial statements beginning on page 9 of this report.
                                                       
          gain on extinguishment of debt
                                                       
          equity (earnings) loss in joint venture
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 3,578, 2,220, and 1,598
                                                       
          release of funds previously restricted for construction activity
                                 15,000    11,558,000 394,000 19,520,000 35,890,000 6,000 730,000 3,258,000 958,000 40,717,000 8,964,000 24,335,000 2,568,000 13,328,000 1,676,000 5,780,000 1,528,000 2,631,000 
          loss on sale of utility system and market-based business unit
                                                       
          postretirement benefit contributions
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,543 and 1,097
                                                       
          net proceeds from the sale of utility system and other assets
                              106,000 3,586,000 2,853,000 223,000 175,000 133,000  3,074,000 18,000 95,000 -961,000 2,494,000 2,233,000 3,237,000            
          stock-based compensation windfall tax benefits
                              65,000 219,000 979,000 149,000 253,000 964,000     194,000 341,000 68,000 298,000 7,000 110,000 6,000 20,000 72,000 4,000 21,000 82,000 598,000 495,000 200,000 
          refer to note 3 - acquisitions for a description of non-cash activities
                                                       
          income from discontinued operations
                                  751,000 458,000  133,000 38,000 5,334,000 1,991,000 -1,182,000 10,246,000             
          income from continuing operations
                                 67,429,000 54,818,000 42,401,000  63,484,000 53,548,000 41,231,000 48,668,000 42,627,000 27,658,000             
          adjustments to reconcile income from continuing operations to net cash flows from operating activities:
                                                       
          share-based compensation
                                                       
          (gain) loss on sale of other assets
                                                       
          change in income tax receivable
                                                       
          operating cash flows from continuing operations
                                 125,364,000 64,166,000 90,474,000  120,340,000 69,837,000 88,950,000 117,064,000 81,272,000 77,883,000             
          operating cash flows used in discontinued operations
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 2,220, 1,598, and 1,494
                                                       
          investing cash flows used in continuing operations
                                                       
          investing cash flows from discontinued operations
                                  -37,000 39,000  -206,000 -145,000 51,427,000                
          financing cash flows (used in) from continuing operations
                                     -47,685,000                  
          financing cash flows used in discontinued operations
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,626 and 1,015
                                                       
          non-cash investing activity:
                                                       
          see note 3 - acquisitions for a description of non-cash activities.
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,097 and 570
                                                       
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 580 and 296
                                -72,984,000                       
          additions to funds restricted for construction activity
                                     -1,000 -3,000 -2,000 -6,000 -787,000 -1,293,000 -71,000 -40,000 -980,000 -54,821,000 -4,872,000 -29,000 -268,000 -395,000 -556,000 -701,000 -718,000 -49,172,000 
          investment in joint venture
                                     -4,900,000 -4,900,000                
          see notes to consolidated financial statements beginning on page 8 of this report.
                                                       
          adjustments to reconcile income from continuing operations
                                                       
          to net cash flows from operating activities:
                                                       
          loss on sale of other assets
                                 -170,000 -140,000 348,000                    
          operating cash flows from discontinued operations
                                       36,000   50,000             
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 1,015 and 1,033
                                                       
          investing cash flows from continuing operations
                                 -107,095,000 -72,333,000 -63,822,000  -70,330,000 -80,722,000 -74,520,000 -95,064,000 -160,951,000 -86,628,000             
          financing cash flows from (used) in continuing operations
                                 -18,813,000                      
          financing cash flows from discontinued operations
                                  -26,000 -36,000                    
          net cash flows from (used) in financing activities
                                 -18,813,000                      
          property, plant and equipment additions, including the debt component of allowance for funds used during construction of 570 and 649
                                                       
          net increase in receivables, inventory and prepayments
                                  -14,731,000 3,644,000  2,689,000   -6,099,000      -2,333,000   -10,856,000   -5,617,000   
          net increase in payables, accrued interest, accrued taxes and other accrued liabilities
                                  -8,529,000 13,269,000  13,015,000 -11,246,000 584,000 20,661,000 -6,219,000 11,454,000 -4,676,000  10,886,000      -877,000   918,000 
          operating cash flows (used in) from discontinued operations
                                  -37,000 -545,000     3,808,000               
          property, plant and equipment additions, including the non-equity component of allowance for funds used during construction of 649 and 944
                                                       
          financing cash flows from continuing operations
                                  -5,383,000 -13,660,000    -52,038,000   -29,504,000             
          net decrease in cash and cash equivalents
                                                       
          property, plant and equipment additions, including the non-equity component of allowance for funds used during construction of 367 and 472
                                   -59,819,000                    
          net (repayments) proceeds of short-term debt
                                   -8,827,000     37,958,000               
          proceeds from note receivable
                                           5,289,000            
          increase in investment of subsidiary
                                                       
          net cash flows from (used in) investing activities
                                                       
          operating cash flows from (used in) discontinued operations
                                     -149,000                  
          property, plant and equipment additions, including allowance for funds used during construction of 1,468 and 3,484
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 1,042 and 2,565
                                                       
          financing cash flows (used in) from discontinued operations
                                      9,000 -23,000                
          net decrease in receivables, inventory and prepayments
                                       5,133,000   5,812,000 5,593,000  3,625,000   6,298,000   6,155,000   2,214,000 
          property, plant and equipment additions, including allowance for funds used during construction of 552 and 1,330
                                       -59,200,000                
          property, plant and equipment additions, including allowance for funds used during construction of 3,484 and 5,689
                                                       
          investing cash flows from (used in) discontinued operations
                                        -491,000 39,302,000 35,198,000             
          financing cash flows from (used in) continuing operations
                                        -24,334,000               
          property, plant and equipment additions, including allowance for funds used during construction of 2,588 and 3,906
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 1,344 and 1,977
                                          -80,743,000             
          net income attributable to common shareholders
                                           30,351,000 29,855,000 21,511,000 33,470,000 25,853,000 18,371,000       
          adjustments to reconcile net income attributable to common shareholders to net cash flows from operating activities:
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 1,977 and 1,541
                                           -60,340,000            
          net decrease in payables, accrued interest, accrued taxes and other accrued liabilities
                                               -10,702,000 -1,414,000       
          property, plant and equipment additions, including allowance for funds used during construction of 3,002 and 1,193
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 1,541 and 625
                                             -67,174,000          
          property, plant and equipment additions, including allowance for funds used during construction of 1,940 and 3,032
                                                       
          proceeds from the sale of utility system and other assets
                                              48,000         
          proceeds from net cash settlements of forward equity sale agreement
                                                      
          property, plant and equipment additions, including allowance for funds used during construction of 1,193 and 2,056
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 625 and 956
                                                -62,135,000       
          proceeds from the sale of other assets
                                                246,000 2,244,000 113,000 16,947,000 2,468,000 346,000 721,000 
          property, plant and equipment additions, including allowance for funds used during construction of 3,032 and 2,118
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 2,056 and 1,463
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 956 and 721
                                                   -56,467,000    
          net cash settlement of a portion of forward equity sale agreement
                                                   2,662,000    
          property, plant and equipment additions, including allowance for funds used during construction of 2,118 and 2,901
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 1,463 and 2,198
                                                       
          property, plant and equipment additions, including allowance for funds used during construction of 721 and 918
                                                      -60,701,000 
          property, plant and equipment additions, including allowance
                                                       
          for funds used during construction of 1,333 and 876
                                                       
          acquisitions of water and wastewater systems
                                                       
          net decrease in funds restricted for construction activity
                                                       
          dividends paid on preferred stock