7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 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 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 
      
    		                                                                  
      assets
    		                                                                  
      utility plant:
    		                                                                  
      utility plant
    		5,762,800,000 5,627,888,000 5,498,140,000  5,263,692,000 5,141,580,000 5,022,535,000  4,817,310,000 4,715,310,000 4,612,350,000  4,422,312,000 4,341,433,000 4,261,451,000  4,124,024,000 4,047,282,000 3,952,681,000  3,835,194,000 3,752,243,000 3,616,418,000  3,411,219,000 3,346,165,000 3,281,149,000  3,169,726,000 3,094,616,000 3,025,611,000  2,892,666,000 2,826,187,000 2,766,232,000  2,667,635,000 2,621,322,000 2,560,787,000  2,460,829,000 2,419,050,000 2,373,167,000 2,269,779,000 2,236,187,000 2,190,573,000 2,160,706,000 2,123,935,000 2,065,679,000 2,026,567,000 1,994,794,000 1,927,447,000 1,895,384,000 1,869,420,000  1,819,330,000 1,786,888,000 1,749,688,000  1,676,287,000 1,638,356,000 1,605,014,000  1,552,267,000 1,503,926,000 1,468,966,000 
      less accumulated depreciation and amortization
    		-1,318,798,000 -1,293,277,000 -1,267,925,000 -1,241,785,000 -1,222,808,000 -1,199,399,000 -1,174,013,000 -1,152,228,000 -1,568,986,000 -1,537,580,000 -1,508,913,000 -1,477,402,000 -1,434,700,000 -1,406,757,000 -1,374,036,000 -1,350,482,000 -1,327,655,000 -1,300,676,000 -1,267,745,000 -1,239,865,000 -1,238,880,000 -1,214,427,000 -1,169,447,000 -1,144,115,000 -1,067,965,000 -1,043,960,000 -1,021,590,000 -996,723,000 -983,984,000 -964,352,000 -942,573,000 -922,214,000 -910,742,000 -897,575,000 -878,227,000 -858,062,000 -849,884,000 -836,245,000 -821,108,000 -805,178,000 -797,264,000             -561,055,000 -549,469,000 -538,919,000 -533,424,000 -522,508,000 -510,985,000 -501,704,000 -492,989,000 -482,235,000 -470,712,000 -463,375,000 -455,862,000 -446,637,000 
      net utility plant
    		4,444,002,000 4,334,611,000 4,230,215,000 4,158,704,000 4,040,884,000 3,942,181,000 3,848,522,000 3,773,255,000 3,248,324,000 3,177,730,000 3,103,437,000 3,058,870,000 2,987,612,000 2,934,676,000 2,887,415,000 2,846,862,000 2,796,369,000 2,746,606,000 2,684,936,000 2,650,558,000 2,596,314,000 2,537,816,000 2,446,971,000 2,406,370,000 2,343,254,000 2,302,205,000 2,259,559,000 2,232,723,000 2,185,742,000 2,130,264,000 2,083,038,000 2,047,965,000 1,981,924,000 1,928,612,000 1,888,005,000 1,859,277,000 1,817,751,000 1,785,077,000 1,739,679,000 1,701,768,000 1,663,565,000 1,636,676,000 1,606,622,000 1,539,513,000 1,523,118,000 1,505,222,000 1,490,254,000 1,468,590,000 1,443,126,000 1,419,254,000 1,400,621,000 1,347,438,000 1,327,596,000 1,308,365,000 1,294,297,000 1,280,411,000 1,253,464,000 1,227,180,000 1,198,077,000 1,174,583,000 1,145,367,000 1,122,779,000 1,112,367,000 1,088,892,000 1,048,064,000 1,022,329,000 
      current assets:
    		                                                                  
      cash and cash equivalents
    		75,990,000 50,539,000 44,460,000 50,121,000 59,556,000 37,272,000 42,814,000 39,591,000 34,735,000 55,595,000 52,286,000 62,100,000 90,458,000 61,749,000 68,379,000 78,380,000 140,368,000 66,483,000 84,387,000 44,555,000 113,312,000 114,388,000 140,406,000 42,653,000 51,257,000 54,560,000 60,234,000 47,176,000 66,421,000 33,668,000 34,702,000 94,776,000 28,341,000 29,103,000 11,990,000 25,492,000 21,351,000 30,826,000 30,878,000 8,837,000 50,825,000 24,515,000 33,311,000 29,706,000 21,744,000 48,847,000 38,668,000 127,677,000 16,971,000 20,816,000 16,014,000 46,712,000 32,882,000 40,869,000 42,277,000 9,738,000 5,646,000 11,352,000 9,866,000 47,581,000 41,498,000 5,278,000 13,869,000 9,409,000 6,129,000 2,967,000 
      restricted cash
    		45,620,000 45,617,000 45,675,000 45,566,000 45,641,000 45,403,000 45,449,000 45,375,000 34,315,000 34,069,000 34,153,000 22,925,000 22,984,000                                                      
      receivables:
    		                                                                  
      customers
    		79,986,000 75,437,000 53,888,000 58,585,000 81,075,000 71,125,000 51,346,000 59,349,000 78,561,000 62,978,000 46,539,000 55,079,000 79,239,000 68,404,000 50,276,000 60,785,000 67,807,000 52,237,000 39,652,000 44,025,000 53,397,000 46,087,000 32,729,000 32,058,000 45,624,000 43,345,000 27,552,000 30,037,000 50,785,000 44,700,000 28,161,000 32,451,000 46,963,000 39,027,000 24,685,000 30,305,000 45,376,000 36,635,000 31,397,000 31,512,000 41,574,000 29,519,000 24,327,000 34,278,000 26,799,000 42,979,000  29,204,000 48,087,000 37,169,000 24,244,000 38,713,000 30,620,000 21,231,000 25,813,000 33,606,000 27,031,000 19,506,000 25,567,000 31,722,000 26,613,000 18,216,000 22,786,000 30,466,000 24,195,000 17,404,000 
      regulatory balancing accounts
    		74,028,000 63,169,000 62,286,000 55,917,000 59,095,000 5,495,000 56,125,000 64,240,000 52,918,000 61,333,000 50,335,000 66,826,000 54,654,000 56,625,000 68,043,000 78,597,000 85,027,000 84,585,000 97,820,000 96,241,000 54,415,000 23,738,000 24,970,000 38,225,000 33,437,000 33,466,000 37,130,000 42,394,000 37,973,000 33,257,000 34,119,000 36,783,000 31,364,000 29,071,000 30,661,000 30,332,000 19,811,000 26,453,000 31,554,000 35,052,000 38,112,000 42,941,000 50,016,000 26,978,000 28,547,000 27,047,000 25,560,000 29,607,000 33,171,000 25,100,000 24,842,000 11,065,000 13,085,000 15,004,000 14,784,000 6,898,000 8,219,000 11,772,000 10,513,000 15,592,000 12,612,000 8,860,000     
      other
    		19,418,000 28,109,000 32,818,000 33,976,000 20,254,000 17,110,000 18,074,000 16,431,000 21,766,000 22,664,000 20,576,000 20,932,000 22,496,000 19,803,000 18,065,000 18,452,000 20,448,000 19,469,000 19,470,000 20,331,000 15,056,000 13,605,000 14,428,000 14,187,000 16,977,000 17,616,000 19,460,000 17,101,000 20,903,000 19,859,000 21,216,000 16,464,000 16,438,000 17,322,000 17,394,000 17,158,000 14,199,000 11,901,000 12,741,000 14,760,000 14,369,000 14,279,000 13,349,000 13,825,000 19,878,000 9,802,000 14,335,000 11,577,000 12,277,000 7,888,000 5,474,000 19,408,000 6,148,000 9,349,000 5,386,000 5,699,000 6,036,000 6,829,000 9,043,000 10,752,000 7,687,000 10,146,000 12,071,000 10,031,000 4,771,000 5,357,000 
      accrued and unbilled revenue
    		61,654,000 52,802,000 34,974,000 39,718,000 55,971,000                                                              
      materials and supplies
    		20,069,000 19,879,000 20,283,000 20,511,000 19,872,000 17,645,000 16,934,000  15,454,000 13,862,000 13,287,000                                                        
      taxes, prepaid expenses, and other assets
    		22,547,000 26,029,000 24,839,000 19,742,000 21,487,000 23,948,000 23,615,000 18,130,000 19,355,000 22,184,000 22,561,000 21,969,000 14,923,000 20,708,000 22,232,000 21,973,000 16,246,000 20,269,000 17,925,000 17,964,000 14,726,000 21,097,000 18,265,000 14,965,000 14,395,000 17,120,000 17,230,000 11,981,000 12,576,000 15,180,000 12,977,000 11,180,000 12,544,000 14,682,000 12,767,000 7,262,000 10,407,000 13,257,000  7,897,000               7,799,000    11,113,000    7,922,000    
      total current assets
    		399,312,000 361,581,000 319,223,000 324,136,000 362,951,000 266,810,000 283,126,000 296,285,000 302,282,000 311,856,000 269,283,000 295,535,000 339,165,000 276,652,000 272,474,000 300,458,000 393,408,000 305,586,000 302,400,000 266,016,000 305,764,000 266,889,000 270,082,000 184,712,000 212,056,000 206,030,000 192,725,000 188,702,000 235,539,000 189,570,000 165,785,000 227,873,000 180,485,000 170,580,000 128,205,000 142,069,000 151,127,000 159,000,000 148,521,000 127,578,000 191,066,000 150,206,000 159,255,000 150,808,000 130,106,000 170,552,000 164,076,000 231,696,000 150,098,000 134,902,000 107,057,000 155,216,000 131,611,000 129,129,000 126,210,000 91,728,000 91,638,000 90,283,000 92,241,000 140,378,000 124,492,000 72,305,000 79,798,000 83,707,000 69,081,000 51,119,000 
      other assets:
    		                                                                  
      regulatory assets
    		326,519,000 359,919,000 367,231,000 357,406,000 340,419,000 397,498,000 384,501,000 257,621,000 265,630,000 276,592,000 293,263,000 283,620,000 298,362,000 287,625,000 291,577,000 285,692,000 328,505,000 337,132,000 328,336,000 325,376,000 484,435,000 440,986,000 442,819,000 433,322,000 382,484,000 373,619,000 366,921,000 353,569,000 388,300,000 405,297,000 405,041,000 401,147,000 379,884,000 375,868,000 367,476,000 355,930,000 363,597,000 363,321,000 361,249,000 361,893,000 398,535,000 403,042,000 401,089,000 264,245,000 254,345,000 354,879,000 353,910,000 353,606,000 334,000,000 323,831,000 319,990,000 262,334,000 245,956,000 238,542,000 229,577,000 223,724,000 220,621,000 211,802,000 204,104,000 201,442,000 199,194,000 198,170,000 198,293,000 90,820,000 90,894,000 90,999,000 
      goodwill
    		37,063,000 37,063,000 37,063,000 37,063,000 37,039,000 37,039,000 37,039,000 37,039,000 36,814,000 36,814,000 36,814,000 36,814,000 36,814,000 36,814,000 36,814,000 36,814,000 36,815,000 36,841,000 31,390,000 31,842,000 30,349,000 31,132,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 2,615,000 3,906,000 3,906,000 3,906,000 4,672,000   
      total other assets
    		676,103,000 703,737,000 708,313,000 697,443,000 611,073,000 662,251,000 649,186,000 525,993,000 490,755,000 500,615,000 514,142,000 496,347,000 479,621,000 471,424,000 479,352,000 475,951,000 489,912,000 496,561,000 484,131,000 477,674,000 604,356,000 555,228,000 523,792,000 520,226,000 467,944,000 456,360,000 448,378,000 416,279,000 455,581,000 469,680,000 467,684,000 464,537,000 440,695,000 433,834,000 424,088,000 410,399,000 417,165,000 414,046,000 411,605,000 416,749,000 451,889,000 456,167,000 454,868,000 319,863,000 309,364,000 407,659,000 404,277,000 404,069,000 382,609,000 364,006,000 360,841,000 298,498,000 285,946,000 277,617,000 271,559,000 259,801,000 255,330,000 244,986,000 235,263,000 234,513,000 233,381,000 227,224,000 225,942,000 118,446,000 114,683,000 113,767,000 
      total assets
    		5,519,417,000 5,399,929,000 5,257,751,000 5,180,283,000 5,014,908,000 4,871,242,000 4,780,834,000 4,595,533,000 4,041,361,000 3,990,201,000 3,886,862,000 3,850,752,000 3,806,398,000 3,682,752,000 3,639,241,000 3,623,271,000 3,679,689,000 3,548,753,000 3,471,467,000 3,394,248,000 3,506,434,000 3,359,933,000 3,240,845,000 3,111,308,000 3,023,254,000 2,964,595,000 2,900,662,000 2,837,704,000 2,876,862,000 2,789,514,000 2,716,507,000 2,740,375,000 2,603,104,000 2,533,026,000 2,440,298,000 2,411,745,000 2,386,043,000 2,358,123,000 2,299,805,000                            
      capitalization and liabilities
    		                                                                  
      capitalization:
    		                                                                  
      common stock
    		596,000 596,000 596,000 595,000 595,000 588,000 578,000 577,000 577,000 577,000 560,000 556,000 548,000 544,000 538,000 537,000 526,000 515,000 508,000 503,000 498,000 494,000 487,000 485,000 481,000 481,000 481,000 481,000 481,000 481,000 481,000 480,000 480,000 480,000 480,000 480,000 480,000 480,000 480,000 479,000 479,000 479,000 479,000 478,000 478,000 477,000 477,000 477,000 419,000 419,000 419,000 418,000 418,000 209,000 208,000 208,000 208,000 208,000 208,000 207,000 207,000 207,000 207,000 207,000 207,000 207,000 
      additional paid-in capital
    		970,960,000 968,820,000 967,689,000 966,975,000 965,278,000 929,376,000 876,894,000 876,583,000 875,640,000 873,923,000 777,605,000 760,336,000 711,004,000 682,353,000 650,499,000 651,121,000 580,760,000 512,484,000 471,698,000 448,632,000 422,391,000 400,080,000 368,129,000 362,275,000 341,988,000 340,274,000 338,728,000 337,623,000 336,960,000 336,238,000 335,625,000 336,229,000 335,516,000 334,834,000 334,220,000 334,856,000 334,213,000 333,561,000 333,002,000 333,135,000 332,290,000 331,574,000 331,029,000 329,332,000 328,826,000 327,890,000 327,628,000 327,178,000 220,642,000 220,294,000 219,909,000 219,237,000 217,937,000 217,813,000 217,517,000 217,147,000 216,063,000 215,800,000 215,528,000 214,715,000 214,451,000 214,236,000 213,922,000 213,596,000 213,462,000 211,976,000 
      retained earnings
    		735,673,000 692,319,000 668,023,000 674,918,000 671,913,000 627,705,000 603,326,000 549,573,000 534,451,000 515,016,000 520,031,000 556,698,000 561,907,000 519,625,000 513,593,000 525,936,000 534,685,000 484,119,000 457,596,000 472,209,000 467,303,000 381,449,000 386,524,000 417,146,000 415,326,000 382,409,000 374,920,000 392,053,000 374,593,000 349,213,000 345,205,000 356,753,000 351,727,000 326,520,000 316,633,000 324,135,000 317,319,000 302,719,000 299,485,000 308,541,000 308,083,000 290,983,000 289,158,000 266,082,000 256,680,000 271,887,000 250,375,000 244,502,000 253,875,000 230,702,000 224,337,000 234,400,000 219,885,000 214,113,000 217,801,000 219,127,000 204,930,000 200,738,000 204,898,000 204,570,000 191,098,000 185,128,000 188,820,000 187,565,000 171,728,000 167,710,000 
      accumulated other comprehensive loss
    		-6,755,000 -6,909,000 -7,063,000 -7,217,000 -9,197,000 -13,068,000 -13,366,000                                                            
      noncontrolling interest
    		2,421,000 2,443,000 2,744,000 3,015,000                                                               
      total equity
    		1,702,895,000 1,657,269,000 1,631,989,000 1,638,286,000 1,631,632,000 1,547,691,000 1,470,837,000 1,430,312,000 1,414,995,000 1,393,967,000 1,302,988,000 1,322,394,000 1,278,332,000 1,207,306,000 1,169,878,000 1,182,980,000 1,120,660,000 1,002,263,000                                                 
      long-term debt
    		1,103,819,000 1,104,046,000 1,104,373,000 1,104,571,000 1,051,585,000 1,051,792,000 1,052,099,000 1,052,768,000 1,051,846,000 1,052,070,000 1,052,337,000 1,052,487,000 1,053,944,000 1,054,170,000 1,055,638,000 1,055,794,000 1,059,724,000 1,059,936,000 780,951,000 781,100,000 785,055,000 785,257,000 786,467,000 786,754,000 807,478,000 807,693,000 710,602,000 710,027,000                                       
      total capitalization
    		2,806,714,000 2,761,315,000 2,736,362,000 2,742,857,000 2,683,217,000 2,599,483,000 2,522,936,000 2,483,080,000 2,466,841,000 2,446,037,000 2,355,325,000 2,374,881,000 2,332,276,000 2,261,476,000 2,225,516,000 2,238,774,000 2,180,384,000 2,062,199,000 1,710,753,000 1,702,444,000 1,675,247,000 1,567,280,000 1,541,607,000 1,566,660,000 1,565,273,000 1,530,857,000 1,424,731,000 1,440,184,000 1,426,344,000 1,100,462,000 1,196,981,000 1,209,255,000 1,207,423,000 1,181,709,000 1,173,048,000 1,191,216,000 1,207,548,000 1,192,547,000 1,190,816,000 1,154,442,000 1,057,299,000 1,039,815,000 1,039,680,000 1,019,226,000 1,011,714,000 1,030,481,000 1,009,185,000 1,006,310,000 954,396,000 931,373,000 925,750,000 931,614,000 916,208,000 911,109,000 914,707,000 816,767,000 801,218,000 797,794,000 794,903,000 793,033,000 789,256,000 686,773,000 690,447,000 690,031,000 677,153,000 671,863,000 
      current liabilities:
    		                                                                  
      current maturities of long-term debt
    		72,490,000 72,467,000 72,445,000 72,422,000 890,000 1,183,000 1,176,000 672,000 1,823,000 1,825,000 3,300,000 3,310,000 5,790,000 5,783,000 5,205,000 5,192,000 5,180,000 5,173,000 5,136,000 5,127,000 21,883,000 21,872,000 21,864,000 21,868,000 5,280,000 5,312,000 105,010,000 104,911,000 104,812,000 105,024,000 5,924,000 15,920,000 36,015,000 36,110,000 36,139,000 26,208,000 6,130,000 6,133,000 6,113,000 6,600,000 6,565,000 6,556,000 6,596,000 6,550,000 7,860,000 48,013,000 48,040,000 46,743,000 6,677,000 6,684,000 6,649,000 2,392,000 2,377,000 2,367,000 2,380,000 2,374,000 2,923,000 12,987,000 12,953,000 12,424,000 2,664,000 2,891,000 2,818,000 2,701,000 2,701,000 2,701,000 
      short-term borrowings
    		345,000,000 360,000,000 285,000,000 205,000,000 260,000,000 245,000,000 280,000,000 180,000,000 115,000,000 130,000,000 130,000,000 70,000,000 70,000,000 70,000,000 50,000,000 35,000,000 120,000,000 145,000,000 435,000,000 370,000,000 375,100,000 375,100,000 335,100,000 175,100,000 155,100,000 165,100,000 125,100,000 65,100,000 75,100,000 325,100,000 275,100,000 275,100,000 195,100,000 190,100,000 130,100,000 97,100,000 57,100,000 75,100,000 34,500,000 33,615,000 136,615,000 126,615,000 109,115,000 81,215,000 64,015,000 11,515,000 28,815,000 93,275,000 60,675,000 87,775,000 50,790,000 39,860,000 32,760,000 28,860,000 23,750,000 56,250,000 55,150,000 19,100,000 12,000,000 12,000,000 12,000,000 52,000,000 40,000,000 40,000,000 23,000,000 14,000,000 
      accounts payable
    		188,176,000 166,958,000 141,295,000 167,533,000 171,501,000 143,533,000 119,839,000 157,305,000 152,869,000 138,272,000 120,198,000 140,986,000 157,911,000 139,732,000 140,832,000 144,369,000 148,415,000 132,972,000 120,549,000 131,725,000 127,158,000 128,216,000 99,019,000 108,463,000 108,593,000 97,376,000 83,280,000 95,580,000 102,938,000 93,032,000 73,556,000 93,955,000 89,394,000 84,222,000 69,276,000 77,813,000 84,052,000 77,604,000 65,354,000 66,380,000 77,261,000 68,677,000 57,684,000 70,906,000 50,731,000 60,414,000 57,158,000 44,293,000 58,839,000 54,610,000 50,408,000 58,554,000 51,647,000 36,135,000 39,505,000 47,827,000 48,830,000 43,058,000 43,689,000    41,772,000 45,616,000 46,925,000 26,653,000 
      accrued other taxes
    		17,886,000 3,065,000 6,708,000 6,084,000    4,591,000    8,607,000    5,379,000    4,477,000    4,445,000    4,182,000    3,888,000    3,629,000    3,417,000               3,079,000    4,369,000    2,776,000    
      accrued interest
    		19,478,000 8,980,000 19,829,000 8,406,000 17,131,000 6,666,000 18,332,000 6,625,000 17,589,000 7,164,000 16,790,000 6,490,000 17,338,000 6,740,000 17,116,000 6,542,000 17,170,000 6,853,000 14,728,000 6,178,000 14,233,000 5,330,000 14,545,000 5,810,000 14,410,000 6,311,000 12,181,000 5,674,000 13,111,000 5,751,000 12,342,000 6,122,000 12,763,000 5,842,000 12,583,000 5,661,000 12,733,000 5,820,000 11,611,000 5,088,000 9,678,000 4,212,000 9,583,000 4,240,000 9,828,000 10,656,000 4,608,000 11,003,000 11,046,000 4,765,000 11,003,000 10,996,000 4,689,000 11,020,000 4,651,000 8,991,000 4,033,000 9,101,000 4,258,000 9,096,000 4,013,000 6,757,000 3,295,000    
      other accrued liabilities
    		63,446,000 56,969,000 59,698,000 56,271,000    59,606,000    53,017,000    42,547,000    36,563,000    38,573,000    33,506,000    36,671,000    35,060,000    31,128,000               30,958,000    30,659,000    32,535,000    
      total current liabilities
    		729,919,000 686,080,000 604,084,000 538,364,000 570,729,000 512,500,000 507,883,000 430,339,000 381,140,000 362,657,000 350,304,000 294,650,000 322,547,000 286,083,000 281,817,000 256,576,000 360,938,000 362,379,000 655,466,000 588,706,000 603,823,000 577,552,000 513,127,000 358,721,000 333,944,000 331,389,000 384,043,000 321,166,000 381,890,000 622,300,000 464,317,000 490,959,000 380,361,000 361,027,000 293,373,000 250,230,000 203,981,000 202,013,000 158,143,000 148,455,000 300,770,000 270,415,000 253,943,000 222,074,000 192,239,000 197,013,000 196,210,000 256,754,000 190,234,000 210,747,000 164,518,000 160,725,000 131,626,000 117,505,000 107,348,000 155,539,000 145,744,000 119,406,000 110,358,000 130,838,000 101,210,000 130,074,000 123,196,000 146,049,000 112,877,000 78,672,000 
      deferred income taxes
    		407,562,000 422,779,000 416,230,000 411,083,000 365,598,000 363,597,000 369,600,000 352,762,000 332,869,000 327,856,000 326,401,000 330,251,000 312,193,000 300,489,000 298,690,000 298,945,000 284,193,000 278,957,000 275,987,000 276,032,000 245,456,000 223,955,000 218,451,000 222,590,000 229,237,000 216,880,000 211,382,000 213,033,000 199,143,000 196,109,000 192,313,000 192,946,000 329,506,000 310,936,000 299,464,000 298,924,000 282,973,000 271,407,000 264,153,000 264,897,000 236,443,000 221,333,000 214,814,000 180,956,000 179,369,000 168,091,000 167,611,000 158,037,000 164,245,000 116,340,000 119,069,000 124,998,000 120,046,000 114,720,000 107,084,000 103,866,000 94,463,000 90,806,000 91,851,000 83,512,000 76,008,000 74,283,000 72,344,000 69,948,000 67,536,000 68,001,000 
      regulatory liabilities
    		870,620,000 845,657,000 826,595,000 814,551,000 734,925,000 742,842,000  683,717,000    213,679,000    180,428,000    180,718,000    211,413,000    211,275,000    179,706,000    38,735,000    35,264,000               17,079,000    19,669,000    20,728,000    
      pension
    		82,427,000 82,166,000 82,007,000 81,665,000 83,412,000 83,266,000 83,252,000 82,920,000 80,674,000 80,008,000 79,245,000 78,443,000 96,063,000 94,796,000 93,544,000 92,287,000                                                   
      advances for construction
    		210,412,000 207,730,000 202,423,000 202,614,000 201,417,000 199,640,000 197,955,000 199,448,000 200,716,000 200,213,000 199,305,000 199,832,000 199,277,000 198,674,000 198,200,000 198,086,000 198,344,000 197,687,000 197,715,000 195,625,000 196,853,000 195,056,000 194,046,000 191,062,000 190,272,000 189,642,000 186,877,000 186,342,000 186,897,000 185,286,000 184,479,000 182,502,000 182,820,000 182,394,000 182,815,000 182,448,000 182,001,000 180,429,000 180,210,000 180,172,000 180,805,000 181,615,000 181,553,000 181,443,000 182,042,000 184,879,000 186,202,000 186,242,000 188,249,000 188,001,000 185,829,000 187,146,000 187,277,000 186,388,000 186,899,000 187,646,000 188,015,000 186,045,000 185,027,000 182,763,000 179,566,000 177,684,000 176,163,000 177,056,000 173,221,000 168,822,000 
      contributions in aid of construction
    		295,649,000 294,867,000 293,956,000 294,970,000 292,540,000 289,820,000 290,043,000 286,491,000 289,990,000 289,934,000 287,771,000 285,401,000 287,431,000 287,125,000 287,827,000 285,665,000 284,530,000 279,621,000 267,769,000 268,050,000 266,920,000 264,794,000 242,785,000 241,537,000 238,510,000 228,675,000 226,472,000 225,270,000 189,794,000 188,290,000 187,586,000 186,721,000 182,371,000 181,155,000 180,631,000 180,790,000 179,613,000 178,891,000 177,429,000 177,577,000 175,932,000 169,375,000 170,130,000 168,819,000 167,583,000 162,269,000 160,638,000 157,971,000 154,986,000 155,303,000 154,592,000 155,342,000 154,587,000 135,587,000 136,356,000 133,346,000 132,888,000 131,411,000 118,217,000 121,112,000 119,058,000 117,794,000 117,568,000 118,671,000 118,592,000 117,833,000 
      commitments and contingencies
    		                                                                  
      total capitalization and liabilities
    		5,519,417,000 5,399,929,000 5,257,751,000 5,180,283,000 5,014,908,000 4,871,242,000 4,780,834,000 4,595,533,000 4,041,361,000 3,990,201,000 3,886,862,000 3,850,752,000 3,806,398,000 3,682,752,000 3,639,241,000 3,623,271,000 3,679,689,000 3,548,753,000 3,471,467,000 3,394,248,000 3,506,434,000 3,359,933,000 3,240,845,000 3,111,308,000 3,023,254,000 2,964,595,000 2,900,662,000 2,837,704,000 2,876,862,000 2,789,514,000 2,716,507,000 2,740,375,000 2,603,104,000 2,533,026,000 2,440,298,000 2,411,745,000 2,386,043,000 2,358,123,000 2,299,805,000                            
      land
    		   56,621,000    47,002,000    45,861,000    45,047,000    45,672,000    45,047,000    44,019,000    42,517,000    40,283,000    42,264,000               21,355,000    19,422,000    19,058,000    
      depreciable plant and equipment
    		   4,977,217,000    4,557,964,000    4,215,619,000    3,899,629,000    3,645,770,000    3,235,415,000    2,950,424,000    2,729,757,000    2,522,174,000    2,301,841,000               1,695,075,000    1,575,756,000    1,464,904,000    
      construction work in progress
    		   329,439,000    287,596,000    247,013,000    222,713,000    171,414,000    245,169,000    210,260,000    175,693,000    132,957,000    141,622,000               103,214,000    89,908,000    80,649,000    
      intangible assets
    		   37,212,000    32,921,000    27,779,000    29,955,000    27,567,000    24,854,000    24,743,000    22,212,000    21,925,000    21,219,000               24,122,000    23,976,000    18,468,000    
      total utility plant
    		   5,400,489,000    4,925,483,000    4,536,272,000    4,197,344,000    3,890,423,000    3,550,485,000    3,229,446,000    2,970,179,000    2,717,339,000    2,506,946,000               1,843,766,000    1,709,062,000    1,583,079,000    
      other long-term liabilities
    		   94,179,000    76,776,000    73,615,000    72,510,000    67,092,000    58,843,000    45,247,000    44,421,000    44,913,000    47,150,000               30,682,000    31,736,000    28,368,000    
      contingencies and commitments
    		                                                                  
      noncontrolling interests
    		    3,043,000 3,090,000 3,405,000 3,579,000 4,327,000 4,451,000 4,792,000 4,804,000 4,873,000 4,784,000 5,248,000 5,386,000 4,689,000 5,145,000                                                 
      accrued expenses and other liabilities
    		    97,074,000 103,364,000 71,892,000  67,401,000 56,119,000 62,744,000  61,824,000 54,201,000 56,649,000  50,900,000 47,542,000 45,838,000  54,446,000 45,432,000 39,125,000  43,674,000 39,435,000 38,488,000  42,629,000 37,076,000 41,189,000  42,544,000 38,010,000 37,078,000  41,129,000 34,654,000 39,490,000  68,781,000 61,708,000 65,385,000 52,560,000 53,675,000 64,716,000 52,872,000 55,308,000 47,464,000 52,658,000 42,279,000 47,423,000 37,856,000 36,562,000  39,511,000 33,905,000 33,056,000  42,938,000 34,189,000 30,438,000   40,251,000 35,318,000 
      accrued unbilled revenue
    		     48,812,000                                                             
      unbilled revenue
    		      28,769,000 36,999,000 45,178,000 39,171,000 29,546,000 33,140,000 43,417,000 38,796,000 34,953,000 32,760,000 54,129,000 52,954,000 33,945,000 34,069,000 46,247,000 39,599,000 31,149,000 34,879,000 42,562,000 32,934,000 24,675,000 33,427,000 40,318,000 36,192,000 28,132,000 29,756,000 38,491,000 34,857,000 24,303,000 25,228,000 33,727,000 33,535,000 25,522,000 23,181,000 31,276,000 25,985,000 22,599,000 28,055,000 14,594,000 25,815,000 24,750,000 15,551,000 23,474,000 23,650,000 18,036,000 22,771,000 21,545,000 15,216,000 13,925,000 21,602,000 19,350,000 12,321,000 13,417,000 21,352,000 20,273,000 12,472,000 13,112,000 19,896,000 16,948,000 11,368,000 
      regulatory liabilities and other
    		      809,165,000  289,131,000 283,496,000 288,511,000  256,611,000 254,109,000 253,647,000  257,108,000 255,017,000 251,851,000  257,054,000 270,177,000 268,917,000  260,812,000 264,027,000 264,555,000  255,569,000 238,912,000 232,587,000  91,006,000 86,821,000 84,318,000  90,714,000 92,141,000 88,018,000  76,799,000 81,873,000                         
      materials and supplies at weighted-average cost
    		       16,170,000    12,564,000 10,994,000 10,567,000 10,526,000 9,511,000 9,383,000 9,589,000 9,201,000 8,831,000 8,611,000 8,375,000 8,135,000 7,745,000 7,804,000 6,989,000 6,444,000 6,586,000 6,563,000 6,714,000 6,478,000 6,463,000 6,344,000 6,518,000 6,405,000 6,292,000 6,256,000 6,393,000 6,321,000 6,339,000   6,158,000 5,952,000 5,966,000 5,689,000 5,720,000 5,687,000   5,827,000   6,072,000 6,058,000 5,925,000  5,807,000 5,530,000 5,457,000   5,070,000 4,914,000   
      other assets
    		        188,311,000 187,209,000 184,065,000  144,445,000 146,985,000 150,961,000  124,592,000 122,588,000 124,405,000  89,572,000 83,110,000 78,358,000  82,845,000 80,126,000 78,842,000  64,666,000 61,768,000 60,028,000  58,196,000 55,351,000 53,997,000  50,953,000 48,110,000 47,741,000  50,739,000 50,510,000 51,164,000 53,003,000 52,404,000 50,165,000 47,752,000 47,848,000 45,994,000 37,560,000 38,236,000 33,549,000 37,375,000 36,460,000  33,462,000 32,094,000 30,569,000  30,456,000 30,281,000 25,148,000  22,954,000 23,789,000 22,768,000 
      pension and postretirement benefits other than pensions
    		                114,192,000 112,893,000 111,926,000 115,581,000 261,081,000 261,119,000 260,337,000 258,907,000 203,557,000 201,476,000 200,953,000 193,538,000 235,501,000 256,431,000 256,520,000 252,141,000 227,819,000 227,186,000 224,851,000 222,691,000 237,341,000 238,823,000 239,164,000  276,525,000 276,591,000 277,094,000 145,426,000 145,836,000 247,335,000 248,003,000 248,385,000 234,432,000 234,948,000 235,465,000 162,307,000 162,439,000 163,087,000  143,619,000 143,543,000 143,723,000  152,467,000 152,468,000 150,074,000  39,747,000 39,747,000 39,444,000 
      total common stockholders’ equity
    		                  929,802,000  890,192,000 782,023,000 755,140,000  757,795,000 723,164,000 714,129,000  712,034,000 685,932,000 681,311,000  687,723,000 661,834,000 651,333,000  652,012,000 636,760,000 632,967,000  640,852,000 623,036,000 620,666,000 595,892,000 585,984,000 600,254,000 578,480,000 572,157,000 474,936,000 451,415,000 444,665,000 454,055,000 438,240,000 432,135,000 435,526,000 436,482,000 421,201,000 416,746,000 420,634,000 419,492,000 405,756,000 399,571,000 402,949,000 401,368,000 385,397,000 379,893,000 
      total common stockholders' equity
    		                   921,344,000    779,906,000    730,157,000    693,462,000    659,471,000    642,155,000                           
      unamortized investment tax credits
    		                      1,575,000 1,575,000 1,649,000 1,649,000 1,649,000 1,649,000 1,724,000 1,724,000 1,724,000 1,724,000 1,798,000 1,798,000 1,798,000 1,798,000 1,872,000 1,872,000 1,872,000 1,872,000 1,947,000 2,032,000 2,032,000 2,106,000 2,106,000 2,180,000 2,180,000 2,180,000 2,254,000 2,254,000 2,254,000 2,328,000 2,244,000 2,244,000 2,244,000 2,318,000 2,318,000 2,318,000 2,318,000 2,392,000 2,392,000 2,392,000 2,392,000 2,467,000 2,467,000 2,467,000 
      receivables: net of allowance for doubtful accounts of 771 and 757 in 2019 and 2018, respectively
    		                                                                  
      receivables: net of allowance for doubtful accounts of 757 and 773 in 2018 and 2017, respectively
    		                                                                  
      long-term debt, less current maturities
    		                            714,310,000 414,530,000 515,670,000 515,793,000 519,700,000 519,875,000 521,715,000 531,745,000 555,536,000 555,787,000 557,849,000 512,287,000 416,447,000 416,779,000 419,014,000 423,334,000 425,730,000 430,227,000 430,705,000 434,153,000 479,460,000 479,958,000 481,085,000 477,559,000 477,968,000 478,974,000 479,181,000 380,285,000 380,017,000 381,048,000 374,269,000 373,541,000 383,500,000 287,202,000 287,498,000 288,663,000 288,281,000 288,495,000 
      receivables: net of allowance for doubtful accounts of 773 and 830 in 2017 and 2016, respectively
    		                                                                  
      receivables: net of allowance for doubtful accounts of 830 and 730 in 2016 and 2015, respectively
    		                                                                  
      taxes, prepaid expense, and other assets
    		                                      10,108,000  8,823,000 6,889,000                         
      receivables: net of allowance for doubtful accounts of 730 and 697 in 2015 and 2014, respectively
    		                                                                  
      unamortized debt premium and expense
    		                                       4,842,000               6,489,000    4,756,000    6,070,000    
      pension and postretirement benefits other than pension
    		                                       236,266,000               155,224,000    137,127,000    152,685,000    
      materials and supplies at average cost
    		                                        6,087,000 6,078,000       6,029,000 6,066,000  5,778,000 6,064,000    5,702,000    5,244,000 5,068,000   4,671,000 4,779,000 
      taxes, prepaid expenses and other assets
    		                                          9,495,000 12,014,000 12,578,000 10,373,000 13,550,000 12,393,000 10,089,000 14,213,000 12,620,000 10,769,000 21,267,000 21,388,000  8,260,000 19,654,000 22,696,000  7,922,000 10,565,000 12,265,000   12,367,000 9,244,000 
      regulatory and other liabilities
    		                                          81,499,000 90,134,000 81,699,000 91,185,000 88,578,000 88,476,000 87,037,000 79,196,000 81,042,000 76,692,000 70,726,000 84,471,000  88,839,000 92,243,000 90,946,000  83,357,000 83,282,000 83,234,000   40,235,000 40,113,000 
      receivables: net of allowance for doubtful accounts of 815 as of september 30, 2013 and 714 as of december 31, 2012
    		                                                                  
      receivables: net of allowance for doubtful accounts of 714 for both periods presented customers
    		                                              41,493,000                    
      receivables: net of allowance for doubtful accounts of 804 and 847, respectively
    		                                                                  
      prepaid income taxes
    		                                                      10,168,000    7,192,000    4,968,000    
      mtbe settlement
    		                                                      34,443,000    34,375,000    34,216,000    
      accounts receivable
    		                                                                  
      accounts payable:
    		                                                                  
      trade and other
    		                                                           46,894,000 42,267,000 36,153,000     
      preferred stock without mandatory redemption provision, 25 par value, 380 shares authorized, -0- and 139, outstanding in 2008 and 2007, respectively
    		                                                                  
      taxes, prepaid expenses and other current assets
    		                                                               8,991,000   
      capitalization and liabilities capitalization:
    		                                                                  
      preferred stock
    		                                                                3,475,000 3,475,000 
      accrued expenses and other current liabilities
    		                                                               57,732,000   
      regulatory and other long-term liabilities
    		                                                               47,076,000   
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.