7Baggers

Black Hills Quarterly Balance Sheets Chart

Quarterly
 | 
Annual
 
 Goodwill  
 Account Receivables  
 Cash and Cash Eq  
 Account Payables  
20200930 20201231 20210331 20210630 20210930 20211231 20220331 20220630 20220930 20221231 20230331 20230630 20230930 20231231 20240331 20240630 20240930 20241231 20250331 20250630 00.190.370.560.740.931.111.3Billion

Black Hills Quarterly Balance Sheets Table

Quarterly
 | 
Annual
 
Unit: USD2025-06-30 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 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-03-31 2012-09-30 2012-06-30 2011-12-31 2011-09-30 2011-03-31 2010-03-31 2009-09-30 2009-06-30 2008-12-31 2008-09-30 2008-03-31 2007-12-31 
                                                               
  assets                                                             
  current assets:                                                             
  cash and cash equivalents8,100,000 6,600,000 16,100,000 12,500,000 624,800,000 123,000,000 86,600,000 594,289,000 152,581,000 39,365,000 21,430,000 11,693,000 10,216,000 16,330,000 8,921,000 10,181,000 1,175,000 13,442,000 6,356,000 6,955,000 31,608,000 54,137,000 9,777,000 13,087,000 6,642,000 12,225,000 20,776,000 10,001,000 8,630,000 30,947,000 15,420,000 13,510,000 11,590,000 11,353,000 13,580,000 62,964,000 116,805,000 46,974,000 456,535,000 38,841,000 87,210,000 63,385,000 21,218,000 11,939,000 14,697,000 17,641,000 7,841,000 13,637,000 12,397,000 247,192,000 40,110,000 21,628,000 74,779,000 44,016,000 136,023,000 137,681,000 122,351,000 168,491,000 152,457,000 75,605,000 80,960,000 
  restricted cash and equivalents7,700,000 7,500,000 7,300,000 7,100,000 6,900,000 6,700,000 6,400,000 6,213,000 5,966,000 5,765,000 5,555,000 5,399,000 5,146,000 5,017,000 4,889,000 4,753,000 4,559,000 4,483,000 4,383,000 4,257,000 4,105,000 4,027,000 3,881,000    3,369,000    2,820,000 2,683,000 2,534,000 2,409,000 2,274,000 2,140,000 1,975,000 1,839,000 1,697,000 2,462,000 2,316,000 2,191,000 2,056,000 1,918,000 2,000 2,000 2,000 6,782,000 6,846,000 7,302,000 4,772,000           
  accounts receivable260,800,000 377,900,000 351,200,000 205,400,000 221,500,000 334,400,000 350,300,000 228,830,000 260,350,000 477,089,000 508,192,000 249,747,000 267,103,000 383,790,000 321,652,000 181,956,000 189,437,000 282,382,000 265,961,000 160,478,000 170,980,000 238,903,000 255,805,000 148,989,000 166,513,000 282,602,000 269,153,000 152,796,000 175,612,000 257,772,000 248,330,000 153,832,000 169,957,000 224,714,000 263,289,000 154,617,000 150,227,000 206,276,000 147,486,000 115,502,000 123,661,000 178,421,000 189,992,000 123,399,000 135,145,000 203,625,000 177,573,000 114,137,000 168,783,000 104,482,000 109,157,000 156,774,000 241,831,000 306,070,000        
  materials, supplies and fuel145,200,000 128,100,000 153,900,000 155,400,000 134,800,000 130,600,000 160,900,000 168,079,000 136,534,000 129,960,000 207,421,000 223,162,000 152,864,000 108,232,000 150,979,000 145,743,000 114,089,000 102,603,000 117,400,000 126,358,000 105,987,000 92,894,000 117,172,000 123,002,000 102,830,000 87,676,000 117,299,000 122,618,000 95,454,000 82,045,000 113,283,000 126,520,000 99,126,000 84,484,000 107,210,000 113,475,000 85,189,000 78,176,000 86,943,000 90,349,000 73,749,000 66,626,000 91,191,000 105,726,000 81,164,000 66,187,000 88,478,000 95,230,000 64,189,000 80,900,000 61,455,000 84,064,000 134,463,000 69,341,000 91,111,000 99,952,000 88,672,000 118,021,000 173,734,000 87,937,000 95,968,000 
  income tax receivable20,900,000 19,700,000 19,800,000 19,900,000 19,800,000 18,200,000 18,500,000 17,749,000 18,222,000 17,772,000 17,637,000 17,112,000 17,299,000 17,991,000 18,017,000 17,472,000 17,573,000 18,115,000 19,446,000 20,828,000 20,118,000 22,319,000 16,446,000 12,931,000 13,547,000 15,309,000 12,978,000 11,025,000 11,653,000 13,900,000         368,000  770,000 159,000 2,053,000 1,268,000 1,043,000 1,826,000 1,460,000 4,539,000  11,869,000 12,141,000 9,344,000 10,958,000 23,665,000    20,269,000    
  regulatory assets, current132,100,000 129,300,000 154,800,000 156,100,000 142,900,000 147,300,000 175,700,000 191,746,000 198,443,000 214,838,000 260,312,000 290,087,000 267,725,000 265,496,000 270,290,000 213,031,000 218,628,000 129,951,000 51,676,000 49,493,000 51,745,000 49,415,000 43,282,000 46,206,000 48,925,000 54,303,000 48,776,000 48,302,000 50,565,000 54,492,000 81,016,000 61,023,000 53,061,000 53,476,000 49,260,000 50,561,000 54,856,000 54,108,000 57,359,000 51,962,000 47,157,000 56,542,000 74,396,000 68,444,000 64,735,000 62,946,000 24,451,000 30,208,000 23,422,000 24,606,000 34,781,000 59,955,000 45,713,000 36,834,000 42,876,000       
  other current assets33,600,000 38,900,000 39,200,000 43,100,000 22,900,000 37,400,000 28,200,000 33,242,000 29,929,000 33,376,000 50,579,000 48,180,000 39,358,000 45,070,000 29,012,000 42,274,000 22,353,000 25,722,000 26,221,000 33,287,000 27,981,000 26,198,000 26,479,000 29,106,000 27,209,000 28,029,000 29,982,000 32,691,000 31,431,000 24,972,000 25,367,000 26,793,000 21,840,000 23,425,000 27,063,000 30,032,000 30,652,000 34,287,000 71,763,000 55,383,000 51,315,000 47,448,000 24,842,000 26,502,000 21,660,000 24,563,000 25,877,000 27,075,000 28,260,000 44,823,000 26,591,000 21,266,000 65,889,000 60,804,000 26,189,000 31,565,000 31,917,000 16,380,000   14,569,000 
  total current assets608,400,000 708,100,000 742,300,000 599,500,000 1,173,600,000 797,600,000 826,600,000 1,240,274,000 802,328,000 918,318,000 1,071,708,000 849,248,000 760,427,000 849,308,000 808,133,000 627,726,000 571,739,000 578,615,000 493,291,000 403,657,000 414,105,000 489,673,000 473,184,000 377,421,000 369,673,000 484,570,000 503,833,000 384,920,000 380,652,000 492,105,000 570,782,000 385,018,000 359,256,000 401,402,000 466,814,000 418,171,000 443,734,000 423,146,000 822,151,000 402,282,000 438,572,000 438,685,000 454,036,000 373,952,000 344,055,000 404,416,000 345,288,000 328,897,000 343,723,000 570,918,000 336,003,000 758,921,000 666,068,000 611,793,000 625,986,000       
  property, plant and equipment9,894,500,000 9,714,600,000 9,566,500,000 9,383,000,000 9,238,100,000 9,068,400,000 8,917,200,000 8,767,954,000 8,590,796,000 8,466,173,000 8,374,790,000 8,236,053,000 8,086,704,000 7,927,840,000 7,856,573,000 7,697,880,000 7,558,204,000 7,415,818,000 7,305,530,000 7,128,387,000 6,954,274,000 6,808,261,000 6,784,679,000 6,567,229,000 6,317,112,000 6,127,050,000 6,000,015,000 5,819,000,000 5,702,065,000 5,608,539,000 5,567,518,000 6,615,098,000 6,533,581,000 6,436,610,000 6,412,223,000 6,306,119,000 6,209,816,000 6,063,943,000 4,976,778,000 4,882,420,000 4,726,478,000 4,652,058,000 4,563,400,000 4,493,696,000 4,408,291,000 4,318,194,000 4,259,445,000 4,152,097,000 3,977,704,000 3,950,222,000 3,863,380,000 3,724,016,000 3,664,967,000 3,461,559,000 3,045,126,000 2,891,102,000 2,819,510,000 2,705,492,000 2,615,627,000 2,564,259,000 2,490,565,000 
  less: accumulated depreciation-2,034,100,000 -1,992,600,000  -1,913,400,000 -1,882,600,000 -1,845,300,000                                                        
  total property, plant and equipment7,860,400,000 7,722,000,000 7,629,900,000 7,469,600,000 7,355,500,000 7,223,100,000 7,119,300,000 7,012,348,000 6,919,493,000 6,837,401,000 6,797,948,000 6,697,322,000 6,587,152,000 6,473,415,000 6,449,176,000 6,317,576,000 6,196,751,000 6,095,293,000 6,019,714,000 5,851,977,000 5,703,199,000 5,584,282,000 5,503,186,000 5,323,435,000 5,092,512,000 4,939,938,000 4,854,879,000 4,700,217,000 4,614,376,000 4,559,606,000 4,541,430,000 4,594,767,000 4,551,701,000 4,493,072,000 4,468,989,000 4,465,003,000 4,389,930,000 4,321,873,000 3,259,094,000 3,264,697,000 3,203,509,000 3,300,201,000 3,239,375,000 3,155,187,000 3,082,631,000 3,019,796,000 2,990,297,000 2,893,647,000 2,766,871,000 2,696,414,000 2,856,553,000 2,789,575,000 2,730,855,000 2,572,528,000 2,214,703,000       
  other assets:                                                             
  goodwill1,299,500,000 1,299,500,000 1,299,500,000 1,299,500,000 1,299,500,000 1,299,500,000 1,299,500,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,299,454,000 1,300,379,000 1,303,453,000 1,306,169,000 359,759,000 359,527,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 353,396,000 354,831,000 354,831,000 353,734,000 353,734,000 359,288,000 359,290,000 400,959,000 40,501,000 29,577,000 
  intangible assets7,000,000 7,300,000 7,600,000 7,900,000 8,100,000 8,400,000 8,400,000 8,708,000 9,002,000 9,296,000 9,589,000 9,883,000 10,177,000 10,474,000 10,770,000 11,063,000 11,356,000 11,649,000 11,944,000 12,242,000 12,536,000 13,083,000 13,266,000 13,566,000 13,867,000 14,136,000 14,337,000 6,954,000 7,155,000 7,357,000 7,559,000 7,765,000 7,972,000 8,182,000 8,392,000 8,944,000 9,164,000 10,957,000 3,380,000 3,440,000 3,211,000 3,121,000 3,176,000 3,231,000 3,286,000 3,342,000 3,397,000 3,453,000 3,565,000 3,675,000 3,731,000 3,843,000 3,899,000 4,011,000 4,248,000 4,725,000 4,784,000 4,884,000   21,026,000 
  regulatory assets, non-current247,800,000 252,300,000 272,900,000 276,100,000 281,900,000 283,800,000 304,400,000 313,113,000 325,228,000 347,031,000 392,669,000 416,119,000 434,643,000 457,848,000 526,309,000 617,024,000 617,781,000 672,306,000 226,582,000 221,743,000 220,567,000 222,814,000 228,062,000 214,152,000 234,124,000 232,404,000 235,459,000 212,048,000 210,137,000 212,740,000 216,438,000 239,571,000 244,099,000 249,113,000 246,882,000 234,240,000 220,556,000 239,023,000 175,125,000 182,337,000 180,815,000 178,935,000 183,443,000 140,422,000 138,226,000 138,173,000 138,197,000 183,119,000 181,119,000 191,935,000 186,886,000 182,175,000 142,267,000 140,735,000 117,561,000       
  other assets, non-current68,500,000 72,000,000 70,400,000 66,100,000 67,300,000 64,300,000 62,200,000 59,031,000 53,590,000 48,636,000 46,862,000 50,268,000 42,709,000 40,155,000 38,054,000 37,547,000 40,971,000 38,882,000 37,801,000 24,318,000 24,633,000 24,258,000 19,376,000 25,339,000 30,552,000 25,823,000 14,352,000 17,143,000 17,207,000 14,800,000 10,149,000 11,655,000 13,812,000 11,905,000 12,130,000 12,800,000 15,438,000 11,274,000 20,566,000 22,131,000 28,670,000 28,280,000 29,086,000 29,930,000 31,808,000 28,925,000 27,906,000 22,116,000 21,367,000 19,850,000 19,733,000 19,941,000 20,894,000 20,907,000 18,064,000       
  total other assets, non-current1,622,800,000 1,631,100,000 1,650,400,000 1,649,600,000 1,656,800,000 1,656,000,000 1,674,500,000 1,680,306,000 1,687,274,000 1,704,417,000 1,748,574,000 1,775,724,000 1,786,983,000 1,807,931,000 1,874,587,000 1,965,088,000 1,969,562,000 2,022,291,000 1,575,781,000 1,557,757,000 1,557,190,000 1,559,609,000 1,560,158,000 1,552,511,000 1,577,997,000 1,571,817,000 1,563,602,000 1,535,599,000 1,533,953,000 1,534,351,000 1,533,600,000 1,558,445,000 1,565,374,000 1,568,663,000 1,567,080,000 1,556,546,000 1,548,837,000 1,567,508,000 562,271,000 567,435,000 566,092,000 563,732,000 569,101,000 526,979,000 526,716,000 523,836,000 522,896,000 562,084,000 559,447,000             
  total assets10,091,600,000 10,061,200,000 10,022,600,000 9,718,700,000 10,185,900,000 9,676,700,000 9,620,400,000 9,932,928,000 9,409,095,000 9,460,136,000 9,618,230,000 9,322,294,000 9,134,562,000 9,130,654,000 9,131,896,000 8,910,390,000 8,738,052,000 8,696,199,000 8,088,786,000 7,829,050,000 7,689,932,000 7,648,814,000 7,558,457,000 7,274,950,000 7,081,453,000 7,037,572,000 6,963,327,000 6,661,938,000 6,570,129,000 6,626,989,000 6,658,902,000 6,551,177,000 6,489,092,000 6,475,849,000 6,515,444,000 6,452,136,000 6,394,864,000 6,324,653,000 4,655,501,000 4,246,562,000 4,220,271,000 4,319,828,000 4,279,806,000 4,073,262,000 3,970,498,000 3,964,964,000 3,875,178,000 3,801,240,000 3,686,586,000 3,853,628,000 3,774,280,000 4,127,083,000 3,953,367,000 3,727,028,000 3,358,639,000       
  liabilities and equity                                                             
  current liabilities:                                                             
  accounts payable180,800,000 216,800,000 229,100,000 136,300,000 155,200,000 132,600,000 186,400,000 124,033,000 133,300,000 173,221,000 310,020,000 187,046,000 185,735,000 173,102,000 217,761,000 142,130,000 133,354,000 160,179,000 183,340,000 152,010,000 118,942,000 136,344,000 193,523,000 145,085,000 150,508,000 178,678,000 210,609,000 115,900,000 104,718,000 106,281,000 160,887,000 95,595,000 99,970,000 105,074,000 153,477,000 141,780,000 170,149,000 121,684,000 105,468,000 91,633,000 78,021,000 88,770,000 124,139,000 100,444,000 100,098,000 149,681,000 130,416,000 77,077,000 82,437,000 69,138,000 59,739,000 104,748,000 219,167,000 217,559,000 194,342,000 184,208,000 175,190,000 288,907,000 234,647,000 242,048,000 242,813,000 
  accrued liabilities251,100,000 253,200,000 302,200,000 291,700,000 259,600,000 263,900,000 293,300,000 257,458,000 217,259,000 228,861,000 243,457,000 250,835,000 226,320,000 227,209,000 244,759,000 249,835,000 219,022,000 230,444,000 243,612,000 244,010,000 201,667,000 203,445,000 226,767,000 217,832,000 188,517,000 196,072,000 215,501,000 201,353,000 190,339,000 194,040,000 219,462,000 213,571,000 201,993,000 203,467,000 244,034,000 228,522,000 218,250,000 272,181,000 232,061,000 229,957,000 160,528,000 166,781,000 170,115,000 163,374,000 141,177,000 145,973,000 151,277,000 152,911,000 140,230,000 179,284,000 158,240,000 151,319,000 168,640,000 141,184,000 140,939,000 150,042,000 133,291,000 134,940,000 144,768,000 104,808,000 116,197,000 
  derivative liabilities, current1,700,000  4,200,000 4,500,000 1,700,000 2,000,000 6,500,000 2,193,000 322,000 1,729,000 6,600,000 5,569,000 4,719,000 191,000 1,439,000 3,471,000 5,178,000 2,526,000 2,044,000 1,439,000 621,000 852,000 2,254,000 2,396,000 1,491,000 95,000 947,000 1,154,000 485,000 891,000 2,081,000 1,562,000 719,000 464,000 2,459,000 1,941,000 28,855,000 3,965,000 2,835,000 3,312,000 3,289,000 3,342,000 3,340,000 3,397,000 3,480,000 3,498,000 3,474,000 65,944,000 89,112,000 86,509,000 85,675,000 84,367,000 129,163,000 91,139,000 68,834,000       
  regulatory liabilities, current96,600,000 99,000,000 94,100,000 86,200,000 90,300,000 89,900,000 98,900,000 93,988,000 101,979,000 110,100,000 46,013,000 24,797,000 33,356,000 52,742,000 17,574,000 30,156,000 36,124,000 13,580,000 25,061,000 22,282,000 59,428,000 54,345,000 33,507,000 25,168,000 39,642,000 45,777,000 29,810,000 41,442,000 52,102,000 42,499,000 6,832,000 7,042,000 17,305,000 22,118,000 13,067,000 16,925,000 34,275,000 35,933,000 4,865,000 5,647,000 10,910,000 17,621,000 3,687,000 828,000 828,000 583,000 10,727,000 14,707,000 19,020,000 10,705,000 16,785,000 16,231,000 10,568,000 15,004,000 9,850,000       
  notes payable123,700,000 59,900,000 133,800,000 17,500,000       535,600,000 501,350,000 335,050,000 341,480,000 420,180,000 332,525,000 829,850,000 815,870,000 234,040,000 84,320,000  319,125,000 349,500,000 294,900,000 102,500,000 164,650,000 185,620,000 112,100,000 121,800,000 164,200,000 211,300,000 225,170,000 107,975,000 50,950,000 96,600,000 75,000,000 75,000,000 215,600,000 76,800,000 117,900,000 105,760,000 102,600,000 75,000,000 184,000,000 132,700,000 100,000,000 82,500,000 138,300,000 245,000,000 225,000,000 225,000,000 345,000,000 359,000,000 287,000,000 223,000,000 350,500,000 270,500,000 703,800,000 627,800,000 73,000,000 37,000,000 
  current maturities of long-term debt300,000,000 300,000,000   600,000,000 600,000,000 600,000,000 1,125,000,000 525,000,000 525,000,000 525,000,000      7,000,000 7,000,000 8,436,000 9,871,000 4,307,000 5,743,000 5,743,000 5,743,000 5,743,000 5,743,000 5,743,000 255,743,000 255,743,000 255,743,000 5,743,000 5,743,000 5,743,000 5,743,000 5,743,000 5,743,000 930,743,000      275,000,000 275,000,000 275,000,000   255,694,000 104,637,000 328,310,000 227,590,000 2,473,000 2,893,000 4,254,000 24,426,000 32,091,000 32,086,000 2,078,000 2,074,000 143,187,000 143,183,000 
  total current liabilities953,900,000 928,900,000 763,400,000 536,200,000 1,106,800,000 1,088,400,000 1,185,100,000 1,602,672,000 977,860,000 1,038,911,000 1,666,690,000 969,597,000 785,180,000 794,724,000 901,713,000 758,117,000 1,230,528,000 1,229,599,000 696,533,000 513,932,000 384,965,000 719,854,000 811,294,000 691,124,000 488,401,000 591,015,000 648,230,000 730,230,000 730,635,000 788,564,000 649,101,000 554,270,000 438,865,000 391,542,000 527,932,000 480,820,000 1,467,896,000 660,262,000 422,029,000 448,757,000 358,508,000 379,114,000 651,281,000 727,043,000 653,283,000 399,735,000 378,394,000 704,633,000 681,593,000 898,946,000 773,029,000 878,067,000 889,431,000 756,140,000 671,959,000       
  long-term debt, net of current maturities3,952,400,000 3,951,600,000 4,250,200,000 4,248,800,000 4,247,100,000 3,802,800,000 3,801,200,000 3,799,510,000 3,955,745,000 3,954,409,000 3,607,340,000 4,131,033,000 4,129,662,000 4,128,291,000 4,126,923,000 4,125,571,000 3,530,216,000 3,529,158,000 3,528,100,000 3,526,894,000 3,532,887,000 3,136,887,000 3,140,096,000    2,950,835,000    3,109,400,000    3,211,189,000    1,866,866,000 1,567,797,000 1,567,727,000 1,542,658,000 1,267,589,000 1,107,519,000 1,121,950,000 1,396,949,000 1,396,948,000 955,979,000 936,477,000 942,950,000 1,044,891,000 1,280,409,000 1,282,194,000 1,184,830,000 993,514,000 719,215,000 719,243,000 501,252,000 501,277,000 561,136,000 564,372,000 
  deferred credits and other liabilities:                                                             
  deferred income tax liabilities674,000,000 666,500,000 625,100,000 603,300,000 598,500,000 576,100,000 548,000,000 530,985,000 528,627,000 535,852,000 508,941,000 491,859,000 490,207,000 490,384,000 465,388,000 445,036,000 436,495,000 428,127,000 408,624,000 398,136,000 388,962,000 387,939,000 360,719,000 347,952,000 343,207,000 337,184,000 311,331,000 292,753,000 289,814,000 290,491,000 336,520,000                               
  regulatory liabilities, non-current480,100,000 475,200,000 474,600,000 470,800,000 467,100,000 463,500,000 467,700,000 468,969,000 469,509,000 466,961,000 472,560,000 469,963,000 482,642,000 482,442,000 485,377,000 496,261,000 497,608,000 497,810,000 507,659,000 505,317,000 506,393,000 504,149,000 503,145,000 498,773,000 514,914,000 511,482,000 510,984,000 508,846,000 497,929,000 495,362,000 478,294,000 198,189,000 199,005,000 196,538,000 193,689,000 186,496,000 195,166,000 200,337,000 148,176,000 152,164,000 150,835,000 148,918,000 145,144,000 118,856,000 119,462,000 116,793,000 109,429,000 131,730,000 126,573,000 120,491,000 114,593,000 108,217,000 85,074,000 90,923,000 44,788,000       
  benefit plan liabilities119,900,000 122,300,000 122,900,000 122,900,000 122,000,000 124,100,000 123,900,000 119,046,000 118,841,000 117,765,000 116,742,000 120,629,000 121,338,000 123,111,000 123,925,000 150,727,000 151,290,000 150,979,000 150,556,000 144,049,000 142,580,000 152,693,000 154,472,000 134,150,000 146,648,000 145,883,000 145,147,000 151,613,000 162,199,000 160,580,000 159,646,000 149,803,000 176,102,000 174,827,000 173,682,000 171,633,000 173,347,000 181,270,000 146,459,000 158,614,000 165,791,000 162,334,000 158,966,000 108,924,000 116,403,000 113,324,000 111,479,000 169,448,000 172,353,000 167,690,000 162,530,000 177,480,000 124,214,000 128,170,000 144,199,000 135,027,000 160,712,000 159,034,000    
  other deferred credits and other liabilities191,900,000 199,600,000 201,200,000 204,500,000 201,000,000 199,300,000 188,700,000 152,174,000 155,746,000 154,507,000 156,062,000 155,456,000 142,732,000 140,680,000 141,447,000 134,776,000 133,021,000 135,224,000 134,667,000 120,522,000 119,649,000 122,869,000 124,662,000 120,820,000 118,613,000 118,007,000 109,377,000 105,928,000 104,951,000 105,221,000 105,735,000 137,251,000 135,510,000 135,847,000 138,643,000 141,007,000 122,015,000 124,181,000 155,369,000 136,462,000 154,656,000 154,604,000 154,406,000 144,089,000 137,765,000 129,083,000 133,279,000 133,341,000 125,958,000 129,630,000 124,482,000 123,553,000 128,013,000 134,617,000 114,021,000       
  total deferred credits and other liabilities1,465,900,000 1,463,600,000 1,423,800,000 1,401,500,000 1,388,600,000 1,363,000,000 1,328,300,000 1,271,174,000 1,272,723,000 1,275,085,000 1,254,305,000 1,237,907,000 1,236,919,000 1,236,617,000 1,216,137,000 1,226,800,000 1,218,414,000 1,212,140,000 1,201,506,000 1,168,024,000 1,157,584,000 1,167,650,000 1,142,998,000 1,101,695,000 1,123,382,000 1,112,556,000 1,076,839,000 1,059,140,000 1,054,893,000 1,051,654,000 1,080,195,000 1,091,061,000 1,099,894,000 1,084,599,000 1,041,894,000 1,033,318,000 1,021,505,000 1,020,512,000 900,739,000 942,796,000 983,150,000 990,289,000 984,912,000 881,308,000 853,940,000 830,861,000 792,088,000 849,679,000 807,623,000 797,415,000 760,075,000 759,271,000 693,737,000 672,911,000 585,168,000       
  commitments, contingencies and guarantees                                                             
  equity:                                                             
  stockholder's equity -                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 72,902,676 and 71,676,756 shares, respectively72,900,000                                                             
  additional paid-in capital2,260,700,000 2,238,200,000 2,193,400,000 2,193,900,000 2,084,200,000 2,040,200,000 2,007,700,000 1,994,439,000 1,941,234,000 1,911,476,000 1,882,653,000 1,811,093,000 1,808,437,000 1,786,980,000 1,783,436,000 1,726,277,000 1,701,825,000 1,658,957,000 1,657,285,000 1,655,912,000 1,654,563,000 1,652,861,000 1,552,788,000 1,553,190,000 1,522,208,000 1,469,410,000 1,450,569,000 1,157,214,000 1,154,947,000 1,151,933,000 1,150,285,000 1,147,922,000 1,145,493,000 1,143,102,000 1,138,982,000 1,123,527,000 1,072,927,000 960,605,000 953,044,000 753,856,000 751,679,000 749,517,000 748,840,000 746,575,000 744,505,000 742,016,000 742,344,000 740,209,000 735,000,000 731,176,000 727,613,000 722,623,000 604,945,000 601,021,000 593,589,000 588,556,000 586,879,000 584,582,000 580,601,000 578,742,000 560,475,000 
  retained earnings1,313,300,000 1,334,800,000 1,249,100,000 1,197,500,000 1,219,600,000 1,241,700,000 1,158,200,000 1,121,196,000 1,118,145,000 1,136,844,000 1,064,122,000 1,032,522,000 1,036,263,000 1,041,451,000 962,458,000 929,369,000 921,122,000 931,538,000 870,738,000 828,993,000 826,269,000 838,841,000 778,776,000 742,138,000 761,222,000 777,262,000 700,396,000 644,154,000 652,642,000 656,161,000 548,617,000 516,371,000 512,498,000 513,885,000 457,934,000 462,090,000 469,940,000 490,999,000 472,534,000 504,864,000 532,965,000 629,135,000 599,389,000 582,800,000 573,379,000 570,963,000 540,244,000 539,030,000 519,184,000 478,459,000 460,324,000 476,603,000 467,043,000 498,614,000 491,202,000 454,907,000 470,883,000 447,453,000 561,102,000 400,909,000 397,393,000 
  treasury stock-2,800,000 -2,000,000 -3,300,000 -5,900,000 -4,900,000 -4,700,000 -4,100,000 -3,457,000 -3,167,000 -2,697,000 -2,435,000 -1,715,000 -1,542,000 -1,287,000 -3,509,000 -2,819,000 -2,988,000 -2,564,000 -2,119,000 -1,710,000 -1,879,000 -1,925,000 -267,000 -1,636,000 -1,544,000 -1,432,000 -2,510,000 -4,072,000 -3,642,000 -3,049,000 -2,306,000 -2,448,000 -2,325,000 -2,443,000 -791,000 -1,155,000 -975,000 -1,573,000 -1,888,000 -1,789,000 -1,771,000 -1,688,000 -1,875,000 -1,841,000 -1,801,000 -1,638,000 -1,968,000 -1,801,000 -1,549,000 -2,354,000 -2,177,000 -970,000 -810,000 -762,000 -112,000   -1,392,000   -1,347,000 
  accumulated other comprehensive-8,000,000           -20,389,000                                                  
  total stockholders' equity3,636,100,000 3,635,100,000  3,446,600,000 3,357,300,000 3,333,900,000  3,167,317,000 3,110,015,000 3,097,947,000                                        1,214,317,000 1,196,285,000 1,209,336,000 1,088,005,000 1,113,147,000 1,107,998,000       
  non-controlling interest83,300,000 82,000,000 83,700,000 85,600,000 86,100,000 88,600,000 90,500,000 92,255,000 92,752,000 93,784,000 94,982,000 97,141,000 97,354,000 99,107,000 100,029,000 102,379,000                                              
  total equity3,719,400,000 3,717,100,000 3,585,200,000 3,532,200,000 3,443,400,000 3,422,500,000 3,305,800,000 3,259,572,000 3,202,767,000 3,191,731,000 3,089,895,000 2,983,757,000 2,982,801,000 2,971,022,000 2,887,123,000 2,799,902,000 2,758,894,000 2,725,302,000 2,662,647,000 2,620,200,000 2,614,496,000 2,624,423,000 2,464,069,000 2,432,896,000 2,419,998,000 2,383,702,000 2,287,423,000 1,921,179,000 1,926,533,000 1,927,984,000 1,820,206,000 1,795,982,000 1,790,031,000 1,788,978,000 1,730,134,000 1,722,024,000 1,679,945,000                   1,062,530,000 1,080,100,000     
  total liabilities and total equity10,091,600,000 10,061,200,000 10,022,600,000 9,718,700,000 10,185,900,000 9,676,700,000 9,620,400,000 9,932,928,000 9,409,095,000 9,460,136,000 9,618,230,000 9,322,294,000 9,134,562,000 9,130,654,000 9,131,896,000 8,910,390,000 8,738,052,000 8,696,199,000 8,088,786,000 7,829,050,000 7,689,932,000 7,648,814,000 7,558,457,000 7,274,950,000 7,081,453,000 7,037,572,000 6,963,327,000 6,661,938,000 6,570,129,000 6,626,989,000                                
  derivative assets, current 100,000      126,000 303,000 153,000 582,000 3,868,000 716,000 7,382,000 4,373,000 12,316,000 3,925,000 1,917,000 1,848,000 2,001,000 1,581,000 1,780,000 342,000 412,000 405,000 932,000 1,500,000 1,392,000 666,000 295,000 304,000 657,000 1,148,000 1,541,000 4,138,000 4,382,000 4,030,000 1,486,000       1,737,000 1,846,000 717,000 126,000 1,630,000 16,063,000 16,595,000 18,583,000 48,727,000 49,295,000 54,773,000       
  common stock 1 par value; 100,000,000 shares authorized; issued 72,544,232 and 71,676,756 shares, respectively 72,500,000                                                            
  accumulated other comprehensive income -8,400,000 -9,400,000 -10,600,000 -11,300,000 -12,300,000 -14,800,000 -12,907,000 -13,312,000 -14,347,000 -15,567,000  -22,816,000 -20,078,000 -20,084,000 -19,169,000 -24,446,000 -26,328,000 -27,346,000 -26,922,000 -28,434,000 -29,382,000 -30,655,000 -25,695,000 -26,227,000 -26,459,000 -26,916,000 -37,703,000 -38,763,000 -39,924,000 -41,202,000 -32,566,000 -32,941,000 -33,730,000 -34,883,000 -32,951,000 -31,764,000 -20,825,000 -9,055,000 -14,611,000 -16,859,000 -14,054,000 -15,044,000 -14,839,000 -19,441,000 -18,589,000 -17,422,000 -31,021,000 -36,224,000 -37,215,000 -33,652,000 -32,878,000 -22,665,000         
  less accumulated depreciation and depletion  -1,936,600,000    -1,797,900,000    -1,576,842,000    -1,407,397,000    -1,285,816,000    -1,281,493,000    -1,145,136,000    -1,026,088,000    -1,943,234,000    -1,717,684,000    -1,324,025,000    -1,269,148,000  -1,210,833,000 -1,253,808,000 -1,006,827,000 -934,441,000 -934,112,000 -889,031,000 -830,423,000 -795,378,000 -773,278,000 -683,332,000 -566,191,000 -689,997,000 -667,031,000 
  stockholders’ equity -                                                             
  common stock 1.00 par value; 100,000,000 shares authorized; issued: 71,676,756 and 68,265,042, respectively  71,700,000                                                           
  total stockholders’ equity  3,501,500,000    3,215,300,000    2,994,913,000 2,886,616,000 2,885,447,000 2,871,915,000 2,787,094,000 2,697,523,000 2,659,040,000 2,624,513,000 2,561,385,000 2,519,046,000 2,513,292,000 2,523,168,000 2,362,123,000 2,329,478,000 2,316,750,000 2,279,159,000 2,181,588,000 1,813,255,000 1,818,846,000 1,818,770,000 1,708,974,000 1,682,804,000 1,676,239,000 1,674,316,000 1,614,639,000 1,604,642,000 1,562,427,000 1,480,683,000 1,465,867,000 1,287,212,000 1,310,886,000 1,407,767,000 1,376,024,000 1,357,392,000 1,341,325,000 1,337,419,000 1,307,748,000 1,290,949,000 1,260,893,000             
  common stock 1 par value; 100,000,000 shares authorized; issued 71,676,746 and 68,265,042 shares, respectively   71,700,000                                                          
  common stock 1 par value; 100,000,000 shares authorized; issued 69,747,220 and 68,265,042 shares, respectively    69,700,000                                                         
  common stock 1 par value; 100,000,000 shares authorized; issued 68,969,578 and 68,265,042 shares, respectively     69,000,000                                                        
  common stock 1.00 par value; 100,000,000 shares authorized; issued: 68,265,042 and 66,140,396, respectively      68,300,000                                                       
  less: accumulated depreciation and depletion       -1,755,606,000 -1,671,303,000 -1,628,772,000  -1,538,731,000 -1,499,552,000 -1,454,425,000  -1,380,304,000 -1,361,453,000 -1,320,525,000  -1,276,410,000 -1,251,075,000 -1,223,979,000  -1,243,794,000 -1,224,600,000 -1,187,112,000  -1,118,783,000 -1,087,689,000 -1,048,933,000  -2,020,331,000 -1,981,880,000 -1,943,538,000  -1,841,116,000 -1,819,886,000 -1,742,070,000  -1,617,723,000 -1,522,969,000 -1,351,857,000  -1,338,509,000 -1,325,660,000 -1,298,398,000  -1,258,450,000              
  common stock 1 par value; 100,000,000 shares authorized; issued 68,046,262 and 66,140,396 shares, respectively       68,046,000                                                      
  common stock 1 par value; 100,000,000 shares authorized; issued 67,115,403 and 66,140,396 shares, respectively        67,115,000                                                     
  common stock 1 par value; 100,000,000 shares authorized; issued 66,670,709 and 66,140,396 shares, respectively         66,671,000                                                    
  common stock 1.00 par value; 100,000,000 shares authorized; issued: 66,140,396 and 64,793,095, respectively          66,140,000                                                   
  stockholders’ equity —                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 65,105,205 and 64,793,095 shares, respectively           65,105,000                                                  
  common stock 1 par value; 100,000,000 shares authorized; issued 65,105,178 and 64,793,095 shares, respectively            65,105,000                                                 
  common stock 1 par value; 100,000,000 shares authorized; issued 64,849,227 and 64,793,095 shares, respectively             64,849,000                                                
  common stock 1.00 par value; 100,000,000 shares authorized; issued: 64,793,095 and 62,827,179, respectively              64,793,000                                               
  common stock 1 par value; 100,000,000 shares authorized; issued 63,865,151 and 62,827,179 shares, respectively               63,865,000                                              
  common stock 1 par value; 100,000,000 shares authorized; issued 63,526,913 and 62,827,179 shares, respectively                63,527,000                                             
  noncontrolling interest                99,854,000 100,789,000 101,262,000 101,154,000 101,204,000 101,255,000 101,946,000 103,418,000 103,248,000 104,543,000 105,835,000 107,924,000 107,687,000 109,214,000 111,232,000 113,178,000 113,792,000 114,662,000 115,495,000 117,382,000 117,518,000                         
  common stock 1 par value; 100,000,000 shares authorized; issued 62,909,973 and 62,827,179 shares, respectively                 62,910,000                                            
  common stock 1.00 par value; 100,000,000 shares authorized; issued: 62,827,179 and 61,480,658, respectively                  62,827,000                                           
  investments                   15,659,000 15,438,000 15,250,000 21,929,000 21,583,000 41,271,000 41,247,000 41,013,000 41,202,000 41,148,000 40,927,000 13,090,000 12,947,000 12,761,000 12,712,000 12,561,000 12,416,000 12,363,000 12,126,000 11,985,000 12,148,000 12,098,000 17,210,000 17,294,000 17,144,000 17,096,000 16,916,000 16,697,000 16,612,000 16,545,000 16,273,000 16,208,000 17,261,000 17,338,000 17,088,000 18,466,000 19,462,000 20,316,000 22,764,000 21,911,000 16,745,000 19,216,000 
  commitments and contingencies                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 62,773,015 and 61,480,658 shares, respectively                   62,773,000                                          
  common stock 1 par value; 100,000,000 shares authorized; issued 62,772,996 and 61,480,658 shares, respectively                    62,773,000                                         
  common stock 1 par value; 100,000,000 shares authorized; issued 62,772,978 and 61,480,658 shares, respectively                     62,773,000                                        
  common stock 1 par value; 100,000,000 shares authorized; issued: 61,480,658 and 60,048,567, respectively                      61,481,000                                       
  restricted cash                       3,688,000 3,602,000 3,494,000  3,241,000 3,084,000 2,958,000                      9,254,000 4,080,000 3,406,000 27,215,000 6,000   5,514,000 5,484,000 5,443,000 
  liabilities and total equity                                                             
  long-term debt                       3,049,235,000 3,049,672,000 2,950,299,000  2,951,389,000 2,858,068,000 2,858,787,000  3,109,864,000 3,160,302,000 3,210,730,000  3,211,768,000 2,221,347,000 3,159,055,000                        
  common stock 1 par value; 100,000,000 shares authorized; issued 61,480,640 and 60,048,567 shares, respectively                       61,481,000                                      
  common stock 1 par value; 100,000,000 shares authorized; issued 61,091,385 and 60,048,567 shares, respectively                        61,091,000                                     
  current assets held for sale                           2,854,000 3,557,000 24,724,000 84,242,000                               
  current liabilities held for sale                           2,538,000 5,448,000 24,910,000 41,774,000                               
  common stock 1 par value; 100,000,000 shares authorized; issued 60,378,020; 60,048,567; and 53,648,817 shares, respectively                         60,378,000                                    
  accrued income tax                              1,022,000    12,552,000              1,157,000             
  common stock 1 par value; 100,000,000 shares authorized; issued: 60,048,567 and 53,579,986, respectively                          60,049,000                                   
  noncurrent assets held for sale                                                             
  accrued income taxes                               5,587,000 5,160,000 3,726,000  10,909,000 10,624,000 10,899,000  308,000               10,568,000 15,734,000 27,152,000  48,360,000 303,000 833,000 
  non-current liabilities held for sale                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 53,661,863; 53,579,986; and 53,524,529 shares, respectively                           53,662,000                                  
  common stock 1 par value; 100,000,000 shares authorized; issued 53,661,850; 53,579,986; and 53,513,521 shares, respectively                            53,662,000                                 
  common stock 1 par value; 100,000,000 shares authorized; issued 53,648,817; 53,579,986; and 53,502,252 shares, respectively                             53,649,000                                
  derivative assets, non-current                                37,000 9,000 222,000 183,000 226,000 85,000 3,441,000           1,167,000 1,770,000 1,971,000 17,215,000 5,135,000 5,877,000       
  liabilities, redeemable noncontrolling interest and equity                                                             
  noncurrent liabilities held for sale                                                             
  redeemable noncontrolling interest                                  4,295,000 4,206,000 4,171,000                         
  common stock 1 par value; 100,000,000 shares authorized; issued: 53,579,986 and 53,397,467, respectively                              53,580,000                               
  total liabilities, redeemable noncontrolling interest and total equity                              6,658,902,000 6,551,177,000 6,489,092,000 6,475,849,000 6,515,444,000 6,452,136,000 6,394,864,000                         
  liabilities, redeemable noncontrolling interest and total equity                                                             
  deferred income tax liabilities, net, non-current                               605,744,000 589,189,000 577,211,000 535,606,000 533,865,000 530,746,000 500,202,000 450,579,000 494,834,000 510,435,000 522,290,000 523,716,000 506,166,000 476,059,000 466,856,000 432,287,000 403,772,000 367,502,000 338,194,000 316,393,000 300,988,000          
  derivative liabilities, non-current                               74,000 88,000 176,000 274,000 317,000 231,000 14,522,000 156,000 722,000 1,433,000 2,143,000 2,680,000 3,273,000 4,251,000 4,805,000 5,614,000 11,388,000 15,237,000 41,410,000 42,077,000 49,033,000 26,603,000 15,554,000 12,081,000       
  common stock 1 par value; 100,000,000 shares authorized; issued 53,524,529; 53,397,467; and 53,131,469 shares, respectively                               53,525,000                              
  common stock 1 par value; 100,000,000 shares authorized; issued 53,513,521; 53,397,467; and 52,299,075 shares, respectively                                53,514,000                             
  common stock 1 par value; 100,000,000 shares authorized; issued 53,502,252; 53,397,467; and 51,477,472 shares, respectively                                 53,502,000                            
  common stock 1 par value; 100,000,000 shares authorized; issued: 53,397,467 and 51,231,861 shares, respectively                                  53,397,000                           
  deferred income tax assets, net, current                                       47,783,000 52,394,000 23,913,000 48,288,000 34,756,000 23,872,000 25,780,000 18,889,000 37,163,000 38,196,000 33,681,000 30,401,000 37,202,000          
  common stock 1 par value; 100,000,000 shares authorized; issued 53,131,469; 51,231,861; and 44,891,626 shares, respectively                                   53,131,000                          
  liabilities and stockholders’ equity                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 52,299,075; 51,231,861; and 44,871,771 shares, respectively                                    52,299,000                         
  redeemable non-controlling interest                                     4,141,000                        
  stockholders’ equity:                                                             
  common stock equity —                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 51,477,472; 51,231,861; and 44,856,790 shares, respectively                                     51,477,000                        
  total liabilities and stockholders’ equity                                     6,324,653,000 4,655,501,000 4,246,562,000 4,220,271,000 4,319,828,000 4,279,806,000 4,073,262,000 3,970,498,000 3,964,964,000 3,875,178,000 3,801,240,000 3,686,586,000             
  common stock 1 par value; 100,000,000 shares authorized; issued: 51,231,861 and 44,714,072 shares, respectively                                      51,232,000                       
  common stock 1 par value; 100,000,000 shares authorized; issued 44,891,626; 44,714,072; and 44,696,670 shares, respectively                                       44,892,000                      
  common stock 1 par value; 100,000,000 shares authorized; issued 44,871,771; 44,714,072; and 44,682,885 shares, respectively                                        44,872,000                     
  common stock 1 par value; 100,000,000 shares authorized; issued 44,856,790; 44,714,072; and 44,666,953 shares, respectively                                         44,857,000                    
  common stock 1 par value; 100,000,000 shares authorized; issued: 44,714,072 and 44,550,239 shares, respectively                                          44,714,000                   
  common stock 1 par value; 100,000,000 shares authorized; issued 44,696,670; 44,550,239; and 44,532,245 shares, respectively                                           44,697,000                  
  common stock 1 par value; 100,000,000 shares authorized; issued 44,682,885; 44,550,239; and 44,516,472 shares, respectively                                            44,683,000                 
  common stock 1 par value; 100,000,000 shares authorized; issued 44,666,953; 44,550,239; and 44,482,304 shares, respectively                                             44,667,000                
  common stock 1 par value; 100,000,000 shares authorized; issued: 44,550,239 and 44,278,189 shares, respectively                                              44,550,000               
  common stock 1 par value; 100,000,000 shares authorized; issued 44,532,245; 44,278,189; and 44,250,588 shares, respectively                                               44,532,000              
  common stock 1 par value; 100,000,000 shares authorized; issued 44,482,304; 44,278,189; and 44,151,428 shares, respectively                                                44,482,000             
  assets of discontinued operations                                                   340,851,000      246,000 322,000 1,106,000 1,052,000 
  total other assets                                                 570,023,000 565,516,000 561,326,000 539,106,000 525,619,000 499,484,000       
  liabilities and stockholders' equity                                                             
  liabilities of discontinued operations                                                   173,929,000      88,000 124,000 757,000 1,551,000 
  stockholders' equity:                                                             
  common stock —                                                             
  common stock 1 par value: 100,000,000 shares authorized: issued 44,250,588; 43,957,502 and 39,491,616 shares, respectively                                                 44,251,000            
  total liabilities and stockholders' equity                                                 3,853,628,000 3,774,280,000 4,127,083,000 3,953,367,000 3,727,028,000 3,358,639,000       
  common stockholders' —                                                             
  common stock 1 par value: 100,000,000 shares authorized: issued 44,176,520; 43,957,502 and 39,462,001 shares, respectively                                                  44,177,000           
  common stock equity-                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued: 43,957,502 shares at 2011 and 39,280,048 shares at 2010, respectively                                                   43,958,000          
  deferred income tax assets, current                                                    39,628,000 18,362,000        
  deferred income tax liabilities, non-current                                                    329,833,000         
  common stockholders' equity —                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 39,491,616, 39,280,048 and 39,243,257 shares, respectively                                                    39,492,000         
  deferred income tax liability, non-current                                                     303,647,000 270,079,000       
  common stock 1 par value; 100,000,000 shares authorized; issued 39,434,304; 39,280,048 and 39,178,067 shares, respectively                                                     39,434,000        
  accumulated other comprehensive loss                                                     -25,160,000 -15,859,000 -19,609,000 -16,415,000 -18,783,000 -29,545,000 -51,788,000 -24,508,000 
  accounts receivables                                                      242,189,000       
  deferred income tax asset, current                                                      5,610,000       
  common stockholders' equity -                                                             
  common stock 1 par value; 100,000,000 shares authorized; issued 39,178,067; 38,977,526 and 38,796,005 shares, respectively                                                      39,178,000       
  short-term investments                                                          6,310,000 7,290,000  
  receivables                                                       208,563,000      
  derivative assets                                                       56,951,000 75,600,000 73,068,000 84,758,000 46,337,000 37,208,000 
  deferred income taxes                                                       13,221,000 17,640,000 10,244,000  14,011,000 4,512,000 
  regulatory assets                                                       12,775,000 14,086,000 35,390,000    
  other                                                       7,861,000 11,189,000 17,774,000 69,512,000 47,343,000 46,120,000 
  derivative liabilities                                                       68,634,000 69,347,000 118,657,000 62,409,000 72,526,000 39,380,000 
  regulatory liabilities                                                       30,120,000 36,943,000 5,203,000    
  common stock equity –                                                             
  common stock 1 par value; 100,000,000 shares authorized;                                                             
  issued 38,872,925; 38,676,054 and 38,490,315 shares,                                                             
  respectively                                                       38,873,000 38,837,000  38,490,000 38,425,000  
  shares, respectively                                                       -197,000 -84,000  -1,419,000 -1,050,000  
  total common stockholders’ equity                                                       1,062,530,000 1,080,100,000     
  non-controlling interest in subsidiaries                                                             
  receivables (net of allowance for doubtful accounts of 7,010;                                                             
  6,751 and 3,417, respectively)                                                        181,250,000     
  issued 38,836,918; 38,676,054 and 38,439,339 shares,                                                             
  accounts receivable (net of allowance for doubtful accounts of                                                             
  6,751 and 4,588, respectively)                                                         357,404,000    
  minority interest                                                            5,167,000 
  common stock 1 par value; 100,000,000 shares authorized; issued:                                                             
  38,676,054 shares at 2008 and 37,842,221 shares at 2007                                                         38,676,000    
  receivables (net of allowance for doubtful accounts of 6,077;                                                             
  4,588 and 5,259, respectively)                                                          227,862,000   
  other assets                                                          32,424,000 16,048,000  
  minority interest in subsidiaries                                                          132,000 5,244,000  
  issued 38,490,315; 37,842,221 and 37,802,087 shares,                                                             
  receivables (net of allowance for doubtful accounts of 4,213;                                                             
  4,588 and 3,647, respectively)                                                           270,763,000  
  intangible assets (net of accumulated amortization of                                                             
  28,865; 28,114 and 26,632, respectively)                                                           20,275,000  
  issued 38,425,006; 37,842,221 and 37,701,238 shares,                                                             
  4,588 and 4,202, respectively)                                                            291,189,000 
  37,842,221 shares in 2007 and 33,404,902 shares in 2006                                                            37,842,000 

We provide you with 20 years of balance sheets for Black Hills stock, allowing you to gain comprehensive visibility into the fundamentals of the company. Our detailed breakdowns include key financial metrics such as asset and liabilities, payables and receivables, long debts and short debts, cash and inventories, expenses and profits. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of Black Hills. Explore the full financial landscape of Black Hills stock with our expertly curated balance sheets.

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