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 2012-03-31 2011-06-30 2009-03-31 2006-09-30 2005-09-30 
      
                                              
      operating activities:
                                              
      net income
    369,429,000 354,608,000 552,668,000  -116,177,000 337,221,000 523,728,000  341,544,000 17,301,000 493,039,000 322,038,000 351,288,000 293,742,000 445,326,000 308,578,000 285,046,000 266,399,000 368,023,000 273,803,000 348,140,000 254,110,000 336,633,000 251,917,000 320,764,000 33,333,000 310,558,000 233,187,000 291,260,000 244,646,000 271,426,000 239,299,000 262,250,000 232,628,000 261,338,000 231,059,000 267,200,000 100,755,000 95,239,000 99,064,000   
      adjustments to reconcile net income to net cash flows from operating activities:
                                              
      depreciation
    395,388,000 385,596,000 379,579,000 372,853,000 366,145,000 354,591,000 339,914,000 343,363,000 329,528,000 319,994,000 312,955,000 308,535,000 302,143,000 294,238,000 289,330,000 280,811,000 276,845,000 274,648,000 270,704,000 260,201,000 244,452,000 240,516,000 236,211,000 228,646,000 222,600,000 219,084,000 214,948,000 207,853,000 208,671,000 199,140,000 204,266,000 202,650,000 194,466,000 189,881,000 186,805,000 183,685,000    76,983,000 61,307,000 -116,173,557 
      deferred income taxes
    4,681,000 67,461,000 -56,524,000 92,885,000 45,103,000 140,925,000 156,976,000 7,129,000 -76,759,000 5,838,000 149,197,000 176,027,000 43,782,000 59,413,000 67,557,000 155,710,000 70,956,000 78,473,000 41,917,000 100,359,000 70,245,000 42,349,000 44,201,000 136,325,000 36,952,000 18,450,000 18,085,000 104,410,000 -91,481,000 73,402,000 88,481,000 116,767,000 105,358,000 128,107,000 141,398,000 165,050,000    17,178,000 -38,093,000  
      uncollectible expense
    18,095,000 18,656,000 22,863,000 18,631,000 29,159,000 9,892,000 16,387,000 31,523,000 16,774,000 1,350,000 22,821,000 21,123,000 10,721,000 12,897,000 17,135,000 21,196,000 12,007,000 11,388,000 16,295,000 22,360,000 10,522,000 9,226,000 11,353,000 17,029,000 14,871,000 12,981,000 18,565,000                
      pension, serp and pbop income
    -20,627,000 -20,562,000 -18,811,000 -18,901,000 -18,944,000 -18,781,000 -16,938,000 -26,395,000 -17,711,000 -22,037,000 -24,563,000  -40,012,000 -39,762,000 -40,642,000                            
      pension contributions
    -1,250,000 -1,250,000  -2,500,000 -1,250,000 -1,250,000  -2,600,000 -1,300,000 -1,100,000                                
      regulatory over/(under) recoveries
    186,481,000 -56,328,000 84,461,000              40,620,000 -11,189,000 58,024,000               29,058,000 56,734,000        
      amortization
    108,246,000 109,103,000 455,449,000 215,369,000 243,957,000 -114,137,000 -2,325,000 -51,657,000 -143,979,000 -218,422,000 -76,059,000 30,248,000 111,287,000 70,409,000 236,948,000 73,105,000 45,236,000 5,611,000 108,013,000 46,992,000 57,515,000 23,396,000 49,776,000 11,620,000 73,854,000 38,945,000 70,961,000 77,918,000 92,711,000 36,203,000 45,194,000          -8,639,000 -46,991,979 
      cost of removal expenditures
    -40,645,000 -93,869,000 -67,151,000 -92,817,000 -89,143,000 -55,687,000 -57,337,000 -78,331,000 -53,816,000 -113,038,000 -70,514,000 -19,049,000 -114,843,000 -108,203,000 -61,660,000                            
      losses on offshore wind
                                              
      other
    63,236,000 10,283,000 17,090,000 -25,186,000 22,280,000 -40,857,000 -58,687,000 61,085,000 -100,688,000 41,063,000 -54,486,000 73,956,000 -37,232,000 -54,507,000 -21,409,000 165,238,000 -75,813,000 -62,819,000 -91,246,000 -105,073,000 -28,452,000 -7,447,000 -33,317,000 -10,462,000 -48,197,000 -100,118,000 -37,310,000 17,814,000 -55,033,000 -19,037,000 -54,969,000 312,000 -54,075,000 -52,238,000 -42,428,000 -49,623,000    -6,912,000   
      changes in current assets and liabilities:
                                              
      receivables and unbilled revenues
    76,756,000 237,764,000 -288,984,000 -254,814,000 -81,967,000 116,332,000 -212,171,000 -131,131,000 -131,081,000 363,428,000 -225,609,000 -176,210,000 -118,251,000 115,591,000 -291,723,000 22,700,000 -72,944,000 39,083,000 -124,344,000 -157,948,000 -127,435,000 -11,170,000 -55,290,000 -41,705,000 -63,368,000 162,180,000 -155,823,000 70,893,000 -159,403,000 103,965,000 -156,888,000 -9,682,000 -99,813,000 42,591,000 -50,251,000 48,755,000    10,483,000 115,400,000 -94,686,137 
      taxes receivable/accrued
    -230,504,000 34,694,000 288,790,000 -34,228,000 48,455,000 -24,366,000 65,641,000 -141,261,000 128,417,000 48,917,000 284,000 -141,902,000 75,189,000 28,552,000 56,519,000 -154,624,000 53,116,000 -73,189,000 64,076,000 -45,940,000 -30,958,000 28,577,000 92,140,000 -69,816,000 60,570,000 -133,264,000 126,381,000 -138,655,000 203,884,000 -127,938,000 -5,061,000 -36,572,000 64,876,000 -8,333,000 32,313,000 -113,355,000    43,270,000   
      accounts payable
    -46,761,000 -25,140,000 -131,367,000 278,980,000 -149,543,000 24,659,000 -107,014,000 98,104,000 103,391,000 -230,656,000 -258,476,000 365,836,000 95,371,000 -14,641,000 -68,909,000 229,308,000 27,161,000 -103,945,000 -181,725,000 243,601,000 48,217,000 -41,885,000 -127,366,000 172,221,000 -1,278,000 -142,521,000 -13,556,000 50,507,000 7,468,000 -18,488,000 -61,571,000 152,618,000 71,670,000 -110,520,000 -57,701,000 107,387,000    -174,497,000 -52,551,000 11,906,800 
      other current assets and liabilities
    -68,164,000 36,293,000 -196,218,000 161,814,000 -111,997,000 92,974,000 -123,262,000 34,444,000 20,954,000 -82,232,000 -39,368,000 46,923,000 8,329,000 -56,077,000 -44,758,000 102,736,000 48,701,000 -103,482,000 -42,386,000 71,442,000 10,554,000 -29,637,000 -61,950,000 93,530,000 34,970,000 -69,861,000 -70,242,000 93,084,000 36,371,000 -27,773,000 -23,456,000 121,612,000 17,015,000 -7,096,000 -42,793,000 62,189,000       
      net cash flows from operating activities
    1,099,611,000 1,057,309,000 1,040,595,000 642,131,000 555,580,000 670,714,000 291,312,000 477,008,000 521,876,000 578,120,000 69,157,000 712,389,000 847,085,000 469,879,000 371,940,000 442,327,000 712,828,000 396,029,000 411,416,000 186,363,000 490,834,000 585,069,000 420,306,000 514,727,000 570,263,000 496,587,000 428,000,000 376,316,000 709,527,000 520,421,000 177,714,000 512,799,000 584,165,000 471,468,000 436,502,000 524,684,000 671,930,000 8,816,000 546,742,000 139,953,000 167,119,000 -276,575,244 
      investing activities:
                                              
      investments in property, plant and equipment
    -1,125,957,000 -1,042,017,000 -1,007,384,000 -1,188,679,000 -1,070,933,000 -1,071,474,000 -1,149,443,000 -1,211,232,000 -1,086,105,000 -1,062,368,000 -977,144,000 -1,089,109,000 -803,662,000 -784,487,000 -764,594,000 -963,944,000 -787,913,000 -734,240,000 -688,983,000 -841,432,000 -701,366,000 -674,678,000 -725,520,000 -782,452,000 -751,284,000 -703,059,000 -674,694,000 -638,290,000 -633,403,000 -644,344,000 -607,334,000 -705,825,000 -495,328,000 -623,392,000 -523,560,000 -617,696,000 -490,003,000 -304,294,000     
      proceeds from sales of marketable securities
    132,351,000 59,892,000 64,007,000 121,795,000 54,932,000 49,708,000 41,729,000 53,733,000 126,301,000 151,263,000 64,307,000 116,952,000 171,663,000 78,588,000 90,409,000 113,274,000 80,777,000 174,024,000 79,818,000 47,412,000 136,123,000 191,962,000 58,627,000 108,270,000 109,418,000 114,407,000 234,497,000 495,473,000 89,024,000 170,814,000 145,438,000 312,239,000 146,811,000 219,081,000 154,772,000 215,129,000    52,933,000   
      purchases of marketable securities
    -125,755,000 -55,726,000 -61,049,000 -109,415,000 -50,042,000 -45,947,000 -37,555,000 -48,965,000 -93,028,000 -138,278,000 -56,508,000 -110,460,000 -160,973,000 -76,559,000 -76,182,000 -101,019,000 -73,232,000 -172,369,000 -68,360,000 -10,455,000 -151,670,000 -188,975,000 -50,723,000 -132,163,000 -102,145,000 -65,156,000 -237,794,000 -512,110,000 -81,871,000 -171,142,000 -143,264,000 -304,205,000 -111,923,000 -244,691,000 -149,688,000 -244,075,000    -54,557,000   
      payments for offshore wind contingent liability
                                              
      investments in unconsolidated affiliates
    -47,000 -37,000 -504,000 -37,000 -200,297,000 -421,921,000 -307,433,000 -793,108,000 -497,363,000 -302,157,000 -87,845,000 -124,908,000 -340,587,000 -163,145,000 -113,856,000 -82,140,000 -144,718,000 -66,400,000 -34,127,000 -207,996,000 -19,353,000 -6,211,000 -6,113,000 -41,424,000 -108,958,000 -16,817,000 -249,138,000                
      proceeds from sales of offshore wind investments
                                              
      other investing activities
    2,522,000 2,563,000 5,700,000 -35,871,000 11,151,000 5,505,000 5,850,000 -2,840,000 -11,112,000 5,415,000 5,640,000 5,175,000 4,474,000 4,795,000 5,976,000 4,742,000 4,775,000 5,526,000 7,135,000 6,162,000 6,518,000 5,010,000 6,119,000 25,330,000 -5,181,000 -838,000 4,893,000 30,159,000 -9,283,000 -8,922,000 -5,200,000 35,698,000 873,000 231,000 -11,281,000 46,414,000 -6,472,000 2,448,000 -7,681,000 2,853,000 4,110,000  
      net cash flows used in investing activities
    -1,189,596,000 -1,103,957,000 -999,230,000 -1,212,207,000 -392,476,000 -1,484,129,000 -1,446,852,000 -911,750,000 -1,561,307,000 -1,346,125,000 -1,051,550,000 -1,202,350,000 -1,129,085,000 -940,808,000 -858,247,000 -1,029,087,000 -920,311,000 -793,459,000 -704,517,000 -2,119,561,000 -619,212,000 -672,892,000 -717,610,000 -822,439,000 -858,150,000 -671,463,000 -922,236,000 -684,918,000 -558,418,000 -667,426,000 -479,719,000 -1,572,379,000 -459,567,000 -648,771,000 -529,757,000 -789,186,000 -494,800,000 -302,469,000 -218,561,000 -209,147,000 -270,194,000 302,232,861 
      financing activities:
                                              
      issuance of common shares, net of issuance costs
    247,377,000   159,269,000 581,989,000 172,794,000 75,395,000     -50,000 70,826,000       -33,000 509,239,000 419,786,000 425,352,000                  
      cash dividends on common shares
    -275,570,000 -270,627,000 -270,232,000 -256,267,000 -254,311,000 -246,124,000 -244,786,000 -230,117,000 -229,919,000 -229,554,000 -229,405,000 -216,399,000 -215,703,000 -214,041,000 -213,890,000 -201,828,000 -201,400,000 -201,198,000 -201,013,000 -189,010,000 -188,838,000 -185,209,000 -181,608,000 -167,668,000 -172,225,000 -153,589,000 -169,757,000 -160,028,000 -160,027,000 -160,028,000 -160,027,000 -150,521,000 -150,520,000 -150,521,000 -150,521,000 -141,015,000 -141,157,000 -52,104,000 -60,000,000 -37,207,000 -29,535,000 41,564,215 
      cash dividends on preferred stock
    -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,879,000 -1,880,000 -1,880,000 -1,880,000 -1,390,000     
      decrease in notes payable
    137,000,000                    -433,000,000    -16,500,000    -123,610,000 141,505,000 -240,005,000  -20,500,000 -38,000,000 -173,000,000        
      repayment of rate reduction bonds
    -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000 -21,605,000  -21,605,000 -21,605,000  -21,605,000 -30,727,000                
      issuance of long-term debt
    312,089,000 526,786,000 1,201,407,000 101,623,000 550,000,000 2,500,000,000 1,350,000,000 858,045,000 979,300,000 1,811,000,000 1,550,000,000 695,000,000 2,050,000,000 1,300,000,000 80,000,000 1,625,000,000 1,175,000,000 350,000,000 400,000,000 1,420,000,000 190,000,000 750,000,000 45,000,000 475,000,000   900,000,000 150,000,000 1,150,000,000 1,250,000,000 300,000,000 350,000,000 600,000,000 300,000,000 -128,000,000 250,000,000 -199,700,000 
      retirement of long-term debt
    -375,103,000 -75,071,000 -300,051,000 -689,847,000 -360,148,000   -805,470,000 -350,000,000 -453,000,000 -400,000,000 -400,000,000 -5,000,000 -770,000,000 -120,500,000 -450,000,000 -572,000,000 -25,000,000 -31,780,000 -50,203,000 -220,253,000 -550,223,000 -418,000 -222,000 -250,215,000                
      other financing activities
    -3,381,000 -3,815,000 -23,000,000 -1,608,000 -6,981,000 -24,768,000 -23,725,000 -8,277,000 -10,350,000 -837,000 -27,002,000 2,006,000 -8,058,000 -16,046,000 -26,087,000 -1,103,000 -10,514,000 -15,342,000 -19,666,000 -3,757,000 37,564,000 2,026,000 -21,560,000 -556,000 10,232,000 -1,006,000 -9,676,000 -8,096,000 -2,403,000 1,182,000 -19,140,000 -4,925,000 19,425,000 -3,422,000 -15,832,000 -16,408,000 -263,000 -1,130,000 -901,000 18,000 121,000 -16,380,380 
      net cash flows from financing activities
    18,927,000 283,816,000 31,945,000 494,583,000 -92,936,000 585,652,000 1,349,518,000 420,253,000 1,042,346,000 783,230,000 623,408,000 409,457,000 727,580,000 463,016,000 429,888,000 589,639,000 57,601,000 589,837,000 203,755,000 1,369,145,000 780,461,000 131,054,000 313,930,000 272,895,000 272,604,000 233,667,000 393,284,000  -138,354,000 -93,760,000 578,730,000         396,206,000 104,786,000  
      net increase in cash, cash equivalents and restricted cash
      73,310,000                            276,725,000            
      cash and restricted cash - beginning of period
    127,308,000  166,418,000       221,008,000  264,950,000   117,063,000  209,324,000                
      cash, cash equivalents and restricted cash - end of period
    -71,058,000 237,168,000 200,618,000                          12,755,000 -240,765,000 362,615,000            
      payment for offshore wind contingent liability
                                              
      net increase/(decrease) in cash, cash equivalents and restricted cash
               -80,504,000                               
      (decrease)/increase in notes payable
      -552,694,000 1,183,293,000       -246,700,000            -408,950,000                    
      net income/
                                            111,449,000  
      adjustments to reconcile net income/(loss) to net cash flows from operating activities:
                                              
      pension and pbop contributions
               -3,148,000 -27,600,000 -26,300,000 -26,100,000 -42,344,000 -67,600,000 -41,300,000 -31,100,000 -3,539,000 -106,662,000 -600,000 -723,000 -1,409,000 -113,725,000 -1,948,000 -4,700,000 -6,073,000 -9,872,000 -7,758,000 -171,244,000 -44,900,000 -106,500,000 -45,700,000 -45,700,000 -36,887,000       
      regulatory under recoveries
       -442,940,000 -93,267,000 -150,802,000 -232,350,000 -147,400,000 107,902,000 46,914,000 -158,964,000                                
      customer credits at cl&p related to pura settlement agreement and storm performance penalty
                                              
      payment in 2022 of withheld property taxes
                                              
      losses on offshore wind investments
                                             
      loss on pending sale of aquarion
                                              
      proceeds from unconsolidated affiliates
                                              
      net (decrease)/increase in cash, cash equivalents and restricted cash
           -14,489,000                                   
      cash, cash equivalents and restricted cash - beginning of year
                                              
      cash, cash equivalents and restricted cash - end of year
                                              
      impairment of offshore wind investment
                                             
      net decrease in cash and restricted cash
                  -56,419,000                            
      cash and restricted cash - end of period
         -227,763,000 360,396,000  2,915,000 15,225,000 162,767,000   -7,913,000 164,589,000  -149,882,000 192,407,000 175,604,000   43,231,000 133,689,000  -15,283,000 58,791,000 108,372,000                
      assets
                                              
      current assets:
                                              
      cash
          29,006,000       -12,425,000 21,628,000 -6,987,000 -135,599,000 189,134,000 9,256,000   3,133,000 3,785,000  7,095,000 -5,305,000 7,496,000                
      receivables
         -100,000 586,642,000       29,129,000 567,718,000 -101,370,000 52,532,000 12,901,000 483,711,000   8,133,000 389,102,000 -27,123,000 12,508,000 -28,142,000 443,684,000                
      accounts receivable from affiliated companies
         -47,534,000 90,586,000       -6,971,000 46,852,000 5,400,000 -296,000 -1,881,000 40,721,000   -191,000 33,701,000 -10,125,000 1,183,000 3,156,000 30,363,000                
      unbilled revenues
         7,880,000 50,625,000       2,196,000 50,515,000 4,198,000 -5,602,000 7,669,000 50,522,000   6,931,000 49,982,000 8,254,000 -5,459,000 2,370,000 51,300,000                
      materials, supplies and rec inventory
         15,342,000 177,258,000                                    
      regulatory assets
         143,168,000 717,608,000       14,335,000 382,112,000 46,341,000 -133,341,000 72,469,000 386,140,000   58,547,000 290,630,000 5,268,000 -2,367,000 27,994,000 147,712,000                
      prepayments and other current assets
         -32,873,000 89,317,000       -21,360,000 95,710,000 72,855,000 3,045,000 -43,796,000 88,153,000   -37,976,000 69,767,000 48,948,000 846,000 3,006,000 20,384,000                
      total current assets
         56,877,000 1,741,042,000       14,712,000 1,229,731,000 -51,022,000 -139,485,000 231,142,000 1,115,804,000   40,791,000 886,929,000 -52,083,000 77,282,000 -35,128,000 794,389,000                
      property, plant and equipment
         156,138,000 12,532,477,000       149,976,000 10,941,005,000 204,707,000 119,644,000 134,410,000 10,344,782,000   152,367,000 9,760,890,000 169,203,000 170,929,000 219,753,000 9,065,880,000                
      deferred debits and other assets:
                                              
      prepaid pension and pbop
         -2,378,000 138,609,000                                    
      other long-term assets
         10,491,000 318,942,000       20,017,000 287,028,000 9,201,000 -5,967,000 15,153,000 258,126,000   -1,482,000 250,243,000 -11,387,000 7,232,000 24,289,000 197,571,000                
      total deferred debits and other assets
         29,892,000 2,167,642,000       2,780,000 1,968,085,000 -259,443,000 230,045,000 -102,989,000 2,122,061,000   -42,721,000 1,779,246,000 141,372,000 -21,093,000 -39,563,000 1,694,250,000                
      total assets
         242,907,000 16,441,161,000       167,468,000 14,138,821,000 -105,758,000 210,204,000 262,563,000 13,582,647,000   150,437,000 12,427,065,000 258,492,000 227,118,000 145,062,000 11,554,519,000                
      liabilities and capitalization
                                              
      current liabilities:
                                              
      notes payable to eversource parent
         -18,300,000 426,100,000            32,100,000   53,000,000 219,000,000 -109,300,000 -86,300,000                  
      long-term debt – current portion
         139,845,000       400,000,000                            
      accounts payable to affiliated companies
         -55,014,000 151,316,000       -34,047,000 126,363,000 34,280,000 740,000 -24,310,000 121,868,000   13,736,000 88,553,000 20,877,000 124,000 -17,946,000 94,738,000                
      obligations to third party suppliers
         -2,673,000 70,037,000         -10,000,000 6,285,000 -1,864,000 48,762,000   -3,683,000 50,335,000 -871,000 5,723,000 -3,965,000 56,065,000                
      regulatory liabilities
         15,970,000 117,335,000       85,685,000 251,555,000 -44,780,000 91,456,000 17,451,000 202,362,000   35,956,000 119,283,000 -85,290,000 55,639,000 5,925,000 106,489,000                
      derivative liabilities
         -1,806,000 79,197,000       1,444,000 74,428,000 1,279,000 1,314,000 1,197,000 69,738,000   514,000 69,631,000 3,232,000 2,497,000 2,424,000 59,651,000               59,402,115 
      other current liabilities
         -121,000 166,265,000       -33,957,000 174,210,000 -69,775,000 63,877,000 40,980,000 63,690,000   -25,414,000 152,138,000 -37,261,000 21,836,000 76,303,000 71,461,000             -23,795,000 16,801,000 -17,279,054 
      total current liabilities
         -55,386,000 1,729,790,000       22,500,000 1,540,941,000 -28,829,000 346,546,000 -127,708,000 957,995,000   52,796,000 1,030,431,000 -114,378,000 -8,002,000 164,080,000 834,449,000                
      deferred credits and other liabilities:
                                              
      accumulated deferred income taxes
         63,218,000 1,960,837,000       5,657,000 1,588,370,000 66,695,000 34,445,000 22,549,000 1,438,413,000   21,808,000 1,270,025,000 38,864,000 13,041,000 8,221,000 1,184,425,000                
      other long-term liabilities
         -13,372,000 241,293,000       -900,000 181,850,000 -1,245,000 15,912,000 1,829,000 136,508,000   1,551,000 149,693,000 -1,707,000 -4,585,000 -11,429,000 165,307,000                
      total deferred credits and other liabilities
         67,848,000 3,536,005,000       -6,641,000 3,188,065,000 -262,328,000 -14,453,000 -74,688,000 3,522,041,000   -18,235,000 3,327,533,000 165,707,000 -17,785,000 10,260,000 3,128,699,000                
      long-term debt
         240,000 4,814,040,000       284,000 3,815,662,000 283,000 -120,543,000 420,890,000 3,914,749,000   -8,000 3,518,129,000 -328,000 209,009,000 43,699,000 3,265,756,000                
      preferred stock not subject to mandatory redemption
         116,200,000       116,200,000 116,200,000   116,200,000 116,200,000                
      common stockholder's equity:
                                              
      common stock
         60,352,000       60,352,000 60,352,000   60,352,000 60,352,000                
      capital surplus, paid in
         100,000,000 3,484,265,000       100,000,000 3,110,765,000 200,000,000 2,810,765,000   2,535,765,000 125,000,000 2,410,765,000                
      retained earnings
         130,211,000 2,700,331,000       51,348,000 2,306,620,000 -14,871,000 -1,337,000 44,066,000 2,200,275,000   115,881,000 1,838,340,000 82,500,000 43,897,000 -72,985,000 1,737,980,000                
      accumulated other comprehensive income
         -6,000 178,000       -23,000 216,000 -13,000 -9,000 3,000 270,000   3,000 315,000 -9,000 -1,000 8,000 318,000                
      common stockholder's equity
         230,205,000 6,245,126,000       151,325,000 5,477,953,000 185,116,000 -1,346,000 44,069,000 5,071,662,000   115,884,000 4,434,772,000 207,491,000 43,896,000 -72,977,000 4,209,415,000                
      commitments and contingencies
                                              
      total liabilities and capitalization
         242,907,000 16,441,161,000       167,468,000 14,138,821,000 -105,758,000 210,204,000 262,563,000 13,582,647,000   150,437,000 12,427,065,000 258,492,000 227,118,000 145,062,000 11,554,519,000                
      increase/(decrease) in notes payable
          216,119,000 607,952,000          83,256,000 669,919,000        829,430,000                
      net increase/(decrease) in cash and restricted cash
          193,978,000             -564,053,000 652,083,000 43,231,000 16,626,000                    
      net (loss)/income
                                             145,183,085 
      adjustments to reconcile net (loss)/income to net cash flows from operating activities:
                                              
      (customer credits)/reserve at cl&p related to pura settlement agreement and storm performance penalty
               -7,132,000 -6,497,000 -58,412,000                            
      impairments of offshore wind investments
                                              
      customer credits distributed in 2022 at cl&p related to pura settlement agreement and storm performance penalty
                                              
      cash, cash equivalents and restricted cash - beginning of period
            521,752,000                  85,890,000            
      net decrease in cash, cash equivalents and restricted cash
             15,225,000 -358,985,000                                
      pension, serp and pbop (income)/expense
                   -3,811,000 -4,491,000 -4,050,000 -2,341,000            -1,965,000            
      payment of withheld property taxes
                                              
      acquisition of assets of columbia gas of massachusetts, net of restricted cash
                                              
      proceeds from the sale of hingham water system
                                             
      regulatory (under)/over recoveries
                194,045,000 -118,471,000 -107,767,000     -487,124,000 29,214,000      -19,232,000                
      net (decrease)/increase in cash and restricted cash
                   2,879,000   -89,346,000     -34,817,000 -15,283,000 58,791,000 -100,952,000                
      materials and supplies
                 9,808,000 65,196,000 5,370,000 2,947,000 -5,354,000 57,301,000   2,214,000 49,962,000 -1,509,000 -3,034,000 3,134,000 52,109,000                
      fuel, materials, supplies and rec inventory
                  -19,495,000 -50,171,000 -29,595,000 120,401,000 -42,494,000 -36,506,000 -38,230,000 110,359,000 -51,027,000 -42,104,000                   
      increase in notes payable
                  163,350,000                            
      regulatory underrecoveries
                          -22,288,000                    
      reserve at cl&p related to pura settlement agreement and storm performance penalty
                                              
      payments related to cyapc's doe pre-1983 spent nuclear fuel obligation
                                              
      proceeds from doe spent nuclear fuel litigation
                                            
      impairment of northern pass transmission
                                            
      cash and restricted cash - beginning of year
                                              
      cash and restricted cash - end of year
                                              
      accrued pension, serp and pbop
                   -286,386,000 -51,784,000 -84,954,000 449,944,000   -30,931,000 385,451,000 142,602,000 -26,801,000 -4,556,000 279,914,000                
      charges at cl&p related to pura settlement agreement and storm performance penalty
                                              
      prepaid property taxes
                              41,341,000                
      net increase in cash and restricted cash
                                              
      accrued interest
                      49,637,000        42,424,000                
      pension, serp and pbop expense
                       3,735,000 3,712,000 3,488,000 1,953,000 3,493,000 5,280,000   306,000 1,875,000   5,563,000 5,649,000 5,414,000 5,828,000 8,285,000       
      proceeds from sales of marketable securities used to pay pre-1983 spent nuclear fuel obligation
                                              
      proceeds from the sale of psnh generation assets
                               77,115,000 -13,832,000 130,641,000            
      (repayments)/issuance of rate reduction bonds
                                              
      acquisition of aquarion
                                              
      regulatory overrecoveries
                            56,858,000    153,263,000 -33,788,000 70,457,000            
      issuance of rate reduction bonds
                                            
      fuel, materials, supplies and inventory
                             102,981,000 -39,063,000 -45,533,000 -20,907,000 92,565,000 -26,956,000 -32,909,000 -18,739,000 75,483,000 -33,058,000 -17,670,000       
      pension, serp and pbop expense/(income)
                              8,428,000                
      issuance of treasury shares
                              26,109,000                
      accrued taxes
                              55,693,000                
      bad debt expense
                                           9,507,000 4,484,000 -6,178,242 
      (payments)/refunds related to spent nuclear fuel
                                              
      proceeds from sales of marketable securities used to pay spent nuclear fuel obligation
                                              
      payments to acquire investments
                                              
      retirements of long-term debt
                                 -710,203,000 -150,218,000 -425,000,000 -170,000,000 -150,000,000      
      net cash flows provided by/(used in) financing activities
                                   971,984,000 -23,475,000 156,178,000 108,767,000   570,473,000     
      adjustments to reconcile net income to net cash flows
                                              
      provided by operating activities:
                                              
      amortization of regulatory assets
                                   31,928,000 41,848,000 -7,807,000 24,017,000 15,473,000    21,691,000   
      refunds/(payments) related to spent nuclear fuel
                                              
      net increase/(decrease) in cash and cash equivalents
                                       -9,805,000 1,330,000 276,820,000     
      cash and cash equivalents - beginning of year
                                              
      cash and cash equivalents - end of year
                                              
      net increase in cash and cash equivalents
                                      15,512,000     327,012,000 1,711,000 -8,454,795 
      cash and cash equivalents - beginning of period
                                    30,251,000  6,559,000 -66,421,000 89,816,000 -46,942,011 
      cash and cash equivalents - end of period
                                    101,123,000 -21,125,000 45,763,000  1,330,000 283,379,000 -401,721,000 416,828,000 1,711,000 -55,396,806 
      net (decrease)/increase in cash and cash equivalents
                                              
      net cash flows (used in)/provided by financing activities
                                              
      net cash flows used in financing activities
                                        -175,800,000      
      the accompanying notes are an integral part of these unaudited condensed consolidated financial statements.
                                              
      net decrease in cash and cash equivalents
                                              
      retirements of rate reduction bonds
                                         -17,903,000 28,131,000 -62,451,000   
      proceeds from sale of assets
                                              
      adjustments to reconcile to net cash flows
                                              
      pension and pbop expense/(income), net of capitalized portion, and contributions
                                           6,703,000   
      other-than-temporary impairments of marketable securities
                                           3,462,000   
      regulatory refunds and underrecoveries
                                           -29,939,000   
      amortization/(deferral) of recoverable energy costs
                                           15,245,000   
      amortization of rate reduction bonds
                                           55,897,000 49,161,000 -86,772,971 
      deferred contractual obligations
                                           -8,666,000 -21,973,000 43,339,935 
      derivative assets and liabilities
                                           -14,769,000 -3,718,000  
      investments in securitizable assets
                                            -954,000 108,409,449 
      fuel, materials and supplies
                                           51,171,000 -18,277,000 -8,174,979 
      other current assets
                                           -1,541,000 11,869,000 -17,493,082 
      margin special deposits
                                           -10,582,000   
      investments in property and plant
                                           -208,896,000   
      rate reduction bond escrow and other deposits
                                           -1,480,000   
      issuance of common shares
                                           387,350,000 2,242,000 -7,556,839 
      cash dividends on preferred stock of subsidiary
                                           -1,390,000   
      (decrease)/increase in short-term debt
                                           -124,909,000   
      financing fees
                                           -15,205,000   
      the accompanying notes are an integral part of these condensed consolidated financial statements.
                                              
      pension expense, net of capitalized portion
                                              
      (deferral)/amortization of recoverable energy costs
                                              
      regulatory (refunds and underrecoveries)/overrecoveries
                                              
      other non-cash adjustments
                                            21,485,000  
      other sources of cash
                                            -12,772,000 -32,274,011 
      other uses of cash
                                            -11,850,000 26,371,178 
      counterparty deposits and margin special deposits
                                            -24,457,000  
      proceeds from sales of investment securities
                                            42,315,000  
      purchases of investment securities
                                            -43,416,000  
      increase in short-term debt
                                              
      wholesale contract market changes
                                            -17,602,000 -203,212,316 
      restructuring and impairment charges
                                            2,487,000 -47,758,806 
      amortization of recoverable energy costs
                                              
      pension expense
                                            2,172,000 -16,440,301 
      wholesale contract buyout payments
                                              
      regulatory refunds
                                            -8,573,000  
      (taxes receivable)/accrued taxes
                                            -24,134,000  
      investments in property and plant:
                                              
      electric, gas and other utility plant
                                            -212,431,000 326,572,884 
      competitive energy assets
                                            -7,168,000 4,975,579 
      cash flows used for investments in property and plant
                                            -219,599,000 331,548,463 
      net proceeds from sale of property
                                            753,000  
      cash payments for sales of competitive businesses
                                              
      rate reduction bond escrow
                                              
      retirement of rate reduction bonds
                                            -14,620,000 96,581,653 
      reacquisitions and retirements of long-term debt
                                            -422,000 48,406,939 
      cash payment for sale of competitive businesses
                                              
      increase/(decrease) in short-term debt
                                              
      deferred income taxes and investment tax credits
                                             92,334,988 
      mark-to-market on natural gas contracts
                                              
      derivative assets
                                             -72,596,311 
      taxes receivable
                                             -25,853,668 
      counterparty deposits
                                              
      restricted cash - lmp costs
                                              
      the accompanying notes are an integral part of these condensed consolidated financial statements. 5
                                              
      regulatory (refunds)/overrecoveries
                                              
      net proceeds from sale of land
                                              
      other investment activities
                                              
      decrease in short-term debt
                                              
    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.