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 2021-09-30 2021-06-30 2021-03-31 2020-09-30 2020-06-30 2020-03-31 2019-09-30 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 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 2013-06-30 2012-12-31 2012-09-30 2012-06-30 2011-12-31 2011-09-30 2011-06-30 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 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 
      
                                                                                    
      assets:
                                                                                    
      current assets:
                                                                                    
      cash and cash equivalents
    14,600,000 8,500,000 10,200,000 6,300,000 6,300,000 2,800,000 6,300,000 6,500,000 6,000,000 6,800,000 6,800,000 9,000,000 7,900,000 5,100,000 6,500,000 8,800,000 5,000,000 6,100,000 8,200,000 4,200,000 6,200,000 7,300,000 4,800,000 4,300,000 6,300,000 8,500,000 9,500,000 10,900,000 7,800,000 8,800,000 5,800,000 4,400,000 7,900,000 8,100,000 8,700,000 8,900,000 16,100,000 11,200,000 8,400,000 10,100,000 12,000,000 14,300,000 9,400,000                                      
      accounts receivable
    63,600,000 66,000,000 95,500,000 75,000,000 56,000,000 60,000,000 83,900,000 75,000,000 57,700,000 59,500,000 92,200,000 73,800,000 51,700,000 54,300,000 81,900,000 46,300,000 50,300,000 73,200,000 48,600,000 48,300,000 62,600,000 39,400,000 48,700,000 73,900,000 52,300,000 56,200,000 74,400,000 45,800,000 41,100,000 57,600,000 52,900,000 43,100,000 42,900,000 58,000,000 49,800,000 45,400,000 52,300,000 85,900,000 60,700,000 41,600,000 44,900,000 69,500,000 52,200,000 35,200,000 40,800,000 45,900,000 30,700,000 31,700,000 44,200,000 30,400,000 32,900,000 36,900,000  5,600,000 -6,800,000 6,200,000 12,500,000 8,800,000 -12,200,000 -6,400,000 1,700,000 2,400,000 -4,000,000 -2,400,000 -300,000 800,000 -5,900,000 1,085 935 513 -2,873 -5,512 -1,529 69 -3,715 -658 1,749 1,802 -1,698 2,052 
      accrued revenue
    64,700,000 56,800,000 60,500,000 77,400,000 65,400,000 65,900,000 72,200,000 63,400,000 57,300,000 60,400,000 71,600,000 72,800,000 46,900,000 45,600,000 56,300,000 38,600,000 34,600,000 34,700,000 39,100,000 34,900,000 38,600,000 35,300,000 32,100,000 40,200,000 36,000,000 29,700,000 45,100,000 39,200,000 36,600,000 41,300,000 49,500,000 35,500,000 31,900,000 42,100,000 38,400,000 28,800,000 28,600,000 64,200,000 48,500,000 31,400,000 33,400,000 49,600,000 56,600,000 40,200,000 38,300,000 58,100,000 34,600,000 30,700,000 56,600,000 35,200,000 26,000,000 46,700,000 35,700,000 21,500,000 16,600,000 12,900,000 22,900,000 25,900,000 9,400,000 -10,300,000 -2,000,000 -1,500,000 -1,300,000 1,100,000 4,300,000 4,800,000 1,800,000 -4,861 -1,648 -743 1,586 849 4,639 3,176 3,626 275 4,422 3,492 2,757 -6,795 
      exchange gas receivable
    15,100,000 9,100,000 1,600,000 6,400,000 9,300,000 5,800,000 2,200,000 9,400,000 14,000,000 9,400,000 4,700,000 18,000,000 25,100,000 13,400,000 700,000 10,500,000 5,200,000 1,200,000 6,500,000 4,200,000 2,200,000 8,600,000 5,300,000 400,000 10,100,000 5,500,000 200,000 9,500,000 5,900,000 2,100,000 8,300,000 9,800,000 8,000,000 6,800,000 11,100,000 10,600,000 7,200,000 4,000,000 15,000,000 14,500,000 8,300,000 1,300,000 10,800,000 12,800,000 7,600,000                                    
      refundable taxes
        3,800,000                 2,900,000    1,200,000  1,800,000 900,000                       7,500,000                    626   3,719 2,839 6,746 2,998 4,157 1,035 
      gas inventory
    1,300,000 700,000 400,000 1,100,000 1,100,000 400,000 300,000 1,000,000 1,200,000 1,000,000 800,000 1,800,000 1,700,000 1,000,000 500,000 900,000 600,000 400,000 600,000 500,000 400,000 800,000 700,000 500,000  600,000 400,000 700,000 500,000 300,000 600,000 600,000 400,000 400,000 800,000 600,000 500,000 400,000 1,100,000 1,000,000 800,000 600,000 1,200,000 1,200,000 800,000 10,500,000 12,300,000 9,100,000 14,800,000 15,600,000 8,300,000 10,600,000 15,900,000 3,200,000 7,700,000 17,300,000 -32,300,000 -32,300,000                       
      materials and supplies
    14,800,000 15,900,000 16,100,000 14,200,000 13,800,000 14,200,000 14,000,000 13,500,000 12,600,000 12,900,000 12,400,000 11,400,000 10,100,000 9,700,000 9,400,000 8,600,000 8,600,000 9,200,000 8,500,000 9,200,000 9,200,000 7,700,000 7,500,000 7,800,000 7,200,000 7,500,000 7,800,000 7,300,000        6,800,000 6,700,000 5,900,000  6,600,000 6,100,000 5,100,000  5,300,000 5,400,000  3,600,000 4,100,000  3,800,000 3,900,000  3,300,000                -554 185 1,075 -595 -629 123 1,128 -219 -658 -186 677 -538 
      prepayments and other
    9,400,000 13,100,000 11,200,000 8,400,000 6,900,000 10,900,000 10,500,000 8,300,000 7,600,000 11,300,000 9,400,000 8,000,000 7,200,000 10,000,000 7,800,000 7,300,000 9,900,000 7,900,000 5,700,000 8,300,000 6,600,000 5,400,000 8,300,000 6,800,000 8,700,000 8,900,000 7,100,000 6,800,000 15,200,000 16,000,000 14,500,000 12,900,000 14,600,000 12,700,000 12,400,000 5,400,000 7,300,000 5,900,000 5,200,000 5,100,000 6,900,000 5,200,000 4,800,000 4,500,000 5,600,000 4,200,000 4,300,000 6,000,000 4,500,000 4,500,000 5,300,000 3,600,000 3,000,000                419 -289 316 159 405 -346 270 4,375 914 -585 3,014 -4,411 
      total current assets
    183,500,000 170,100,000 195,500,000 188,800,000 162,600,000 160,000,000 189,400,000 177,100,000 156,400,000 161,300,000 197,900,000 194,800,000 150,600,000 139,100,000 163,100,000 121,000,000 114,200,000 132,700,000 117,300,000 109,600,000 125,800,000 107,400,000 107,400,000 133,900,000 120,600,000 118,100,000 144,500,000 122,000,000 108,000,000 126,100,000 131,600,000 107,600,000 105,700,000 128,100,000 125,900,000 119,000,000 133,900,000 180,100,000 145,200,000 112,400,000 113,900,000 145,600,000 140,000,000 111,500,000 105,600,000 132,600,000 95,000,000 88,400,000 131,200,000 97,400,000 82,200,000 117,100,000 93,100,000                            
      utility plant:
                                                                                    
      electric
    734,800,000 728,200,000 705,800,000 699,400,000 670,200,000 663,200,000 659,800,000 654,900,000 634,000,000 638,400,000 629,900,000 627,500,000 612,700,000 610,100,000 606,700,000 581,000,000 578,600,000 576,800,000 545,900,000 541,700,000 538,400,000 514,800,000 511,600,000 511,300,000 485,600,000 479,700,000 478,800,000 454,600,000 442,000,000 440,900,000 437,900,000 424,000,000 421,200,000 409,900,000 408,400,000 398,400,000 396,400,000 393,700,000 390,600,000 382,900,000 379,100,000 377,300,000 375,600,000 361,300,000 359,100,000 356,900,000 348,200,000 345,900,000 333,300,000 326,600,000 326,500,000 321,500,000 313,500,000                            
      gas
    1,294,100,000 1,285,300,000 1,273,800,000 1,189,900,000 1,140,400,000 1,131,600,000 1,129,600,000 1,117,600,000 1,063,900,000 1,060,900,000 1,055,000,000 1,043,600,000 995,700,000 988,900,000 986,300,000 932,800,000 923,600,000 922,400,000 876,800,000 870,500,000 869,700,000 783,200,000 779,400,000 778,600,000 712,700,000 709,800,000 706,700,000 646,700,000 643,200,000 642,000,000 629,500,000 597,700,000 589,100,000 586,800,000 576,800,000 540,200,000 532,100,000 529,700,000 522,900,000 488,900,000 483,900,000 483,000,000 477,300,000 437,300,000 431,600,000 424,400,000 398,400,000 393,400,000 382,300,000 363,900,000 366,700,000 360,100,000 348,500,000                            
      common
    74,200,000 72,300,000 69,200,000 69,000,000 67,700,000 67,800,000 64,900,000 70,000,000 68,900,000 68,900,000 68,900,000 67,600,000 66,700,000 66,700,000 66,600,000 64,800,000 64,600,000 64,500,000 63,300,000 62,800,000 62,800,000 61,600,000 61,200,000 61,100,000 82,100,000 69,500,000 69,100,000 36,000,000 35,400,000 35,900,000 35,800,000 35,700,000 35,600,000 35,800,000 35,500,000 35,400,000 35,000,000 34,600,000 32,700,000 32,400,000 32,300,000 31,600,000 31,600,000 31,500,000 31,500,000 30,900,000 30,600,000 30,600,000 29,800,000 30,400,000 30,400,000 30,200,000 30,400,000                            
      construction work in progress
    121,600,000 89,500,000 92,500,000 92,900,000 136,300,000 92,200,000 68,500,000 65,300,000 107,600,000 64,200,000 53,800,000 52,600,000 81,900,000 56,200,000 36,500,000 84,800,000 60,600,000 38,300,000 101,000,000 68,900,000 43,300,000 72,900,000 44,900,000 26,100,000 68,400,000 51,000,000 32,100,000 113,000,000 92,700,000 68,600,000 70,200,000 89,600,000 69,600,000 56,900,000 59,900,000 77,600,000 57,400,000 39,400,000 42,600,000 54,200,000 34,300,000 21,300,000 24,600,000 58,200,000 40,400,000 19,400,000 35,800,000 23,100,000 28,300,000 41,400,000 21,200,000 16,600,000 18,900,000                            
      utility plant
    2,224,700,000 2,175,300,000 2,141,300,000 2,051,200,000 2,014,600,000 1,954,800,000 1,922,800,000 1,907,800,000 1,874,400,000 1,832,400,000 1,807,600,000 1,791,300,000 1,757,000,000 1,721,900,000  1,663,400,000 1,627,400,000  1,587,000,000 1,543,900,000  1,432,500,000 1,397,100,000        1,173,400,000    1,080,600,000    988,800,000    909,100,000   831,600,000   773,700,000   728,400,000                             
      less: accumulated depreciation
    541,800,000 530,900,000 522,400,000 511,600,000 512,200,000 500,000,000 493,000,000 486,900,000 484,300,000 474,600,000 466,300,000 459,600,000 453,200,000 442,800,000 436,200,000 426,100,000 417,600,000 409,700,000 401,700,000 396,300,000 389,100,000 348,600,000 343,600,000 339,300,000 326,500,000 320,200,000 314,300,000 303,600,000 300,600,000 296,500,000 290,000,000 286,000,000 280,900,000 276,300,000 271,700,000 269,200,000 263,900,000 259,200,000 255,100,000 252,400,000 247,900,000 246,400,000 243,500,000 241,300,000 237,200,000 230,400,000 277,900,000 273,000,000 263,000,000 262,500,000 260,600,000 251,900,000 247,700,000                            
      net utility plant
    1,682,900,000 1,644,400,000 1,618,900,000 1,539,600,000 1,502,400,000 1,454,800,000 1,429,800,000 1,420,900,000 1,390,100,000 1,357,800,000 1,341,300,000 1,331,700,000 1,303,800,000 1,279,100,000 1,259,900,000 1,237,300,000 1,209,800,000 1,192,300,000 1,185,300,000 1,147,600,000 1,125,100,000 1,083,900,000 1,053,500,000 1,037,800,000 1,022,300,000 989,800,000 972,400,000 946,700,000 912,700,000 890,900,000 883,400,000 861,000,000 834,600,000 813,100,000 808,900,000 782,400,000 757,000,000 738,200,000 733,700,000 706,000,000 681,700,000 666,800,000 665,600,000 647,000,000 625,400,000 601,200,000 535,100,000 520,000,000 510,700,000 499,800,000 484,200,000 476,500,000 463,600,000                            
      other noncurrent assets:
                                                                                    
      regulatory assets
    45,100,000 46,600,000 47,200,000 41,900,000 49,500,000 53,000,000 52,100,000 53,100,000 50,900,000 51,500,000 51,600,000 47,800,000 105,500,000 106,600,000 108,100,000 132,400,000 131,100,000 128,700,000 104,400,000 104,900,000 105,300,000 98,700,000 97,300,000 97,900,000 111,600,000 110,700,000 111,200,000 102,000,000 102,900,000 103,500,000 104,100,000 96,500,000 98,100,000 98,200,000 99,600,000 102,800,000 104,300,000 106,200,000 107,600,000 85,300,000 88,100,000 96,500,000 100,100,000 120,900,000 125,900,000 136,000,000 136,900,000 139,800,000 139,800,000 130,900,000 136,100,000 143,000,000 142,000,000                            
      operating lease right of use assets
    6,800,000 5,700,000 6,200,000 6,700,000 4,600,000 5,100,000 5,600,000 5,600,000 5,500,000 5,200,000 5,700,000 4,300,000 4,600,000 4,400,000 4,800,000 5,100,000 4,900,000 5,400,000 5,600,000 4,500,000 4,900,000 4,200,000 3,600,000 3,900,000                                                         
      goodwill
    1,600,000 1,600,000                                                                               
      other assets
    24,800,000 24,300,000 22,900,000 17,500,000 18,000,000 22,100,000 21,000,000 13,700,000 17,300,000 19,500,000 18,200,000 11,800,000 14,400,000 17,900,000 16,400,000 13,200,000 17,100,000 17,900,000 11,300,000 17,900,000 17,300,000 15,500,000 17,500,000 16,700,000 10,000,000 16,000,000 16,200,000 9,200,000 14,100,000 13,900,000 9,100,000 7,300,000 13,300,000 13,500,000 12,000,000 13,800,000 16,200,000 16,300,000 13,700,000 12,800,000 16,900,000 19,100,000 14,900,000                                      
      total other noncurrent assets
    78,300,000 78,200,000 76,300,000 66,100,000 72,100,000 80,200,000 78,700,000 72,400,000 73,700,000 76,200,000 75,500,000 63,900,000 124,500,000 128,900,000 129,300,000 150,700,000 153,100,000 152,000,000 121,300,000 127,300,000 127,500,000 118,400,000 118,400,000 118,500,000 121,600,000 126,700,000 127,400,000 111,200,000 117,000,000 117,400,000 113,200,000 103,800,000 111,400,000 111,700,000 111,600,000 116,600,000 120,500,000 122,500,000 121,300,000 98,100,000 105,000,000 115,600,000 115,000,000                                      
      total assets
    1,944,700,000 1,892,700,000 1,890,700,000 1,794,500,000 1,737,100,000 1,695,000,000 1,697,900,000 1,670,400,000 1,620,200,000 1,595,300,000 1,614,700,000 1,590,400,000 1,578,900,000 1,547,100,000 1,552,300,000 1,509,000,000 1,477,100,000 1,477,000,000 1,423,900,000 1,384,500,000 1,378,400,000 1,309,700,000 1,279,300,000 1,290,200,000 1,264,500,000 1,234,600,000 1,244,300,000 1,179,900,000 1,137,700,000 1,134,400,000 1,128,200,000 1,072,400,000 1,051,700,000 1,052,900,000 1,046,400,000 1,018,000,000 1,011,400,000 1,040,800,000 1,000,200,000 916,500,000 900,600,000 928,000,000 920,600,000 895,200,000 874,200,000 886,600,000 784,000,000 768,300,000 800,200,000 748,700,000 727,600,000 759,600,000 725,000,000                            
      liabilities and capitalization:
                                                                                    
      current liabilities:
                                                                                    
      accounts payable
    42,800,000 41,100,000 42,900,000 49,700,000 36,200,000 37,200,000 37,900,000 47,700,000 35,600,000 36,700,000 46,300,000 68,600,000 35,200,000 34,300,000 39,000,000 29,500,000 32,600,000 28,700,000 25,100,000 24,700,000 26,500,000 22,900,000 21,900,000 33,000,000 27,400,000 24,700,000 30,100,000 24,100,000 23,000,000 28,100,000 32,400,000 23,100,000 21,400,000 27,000,000 33,300,000 21,200,000 19,000,000 34,800,000 44,200,000 19,300,000 20,500,000 31,800,000 38,100,000 21,500,000 21,700,000 30,900,000 17,100,000 15,900,000 26,400,000 16,000,000 15,800,000 26,500,000 16,000,000 -8,400,000 -7,300,000 -3,400,000 -17,700,000 -17,200,000 -6,400,000 11,400,000 400,000 600,000 -2,000,000 -2,200,000 -4,800,000 -4,700,000 -1,900,000 -787 -4,515 -895 -5,908 4,351 -3,082 -2,355 -1,025 1,225 -1,580 -608 1,132 803 
      short-term debt
    117,500,000 171,400,000 172,900,000 105,800,000 64,300,000 157,800,000 169,900,000 162,000,000 129,500,000 131,700,000 140,200,000 116,000,000 72,000,000 46,200,000 64,000,000 30,500,000 29,700,000 37,300,000 17,300,000 74,900,000 71,600,000 49,200,000 64,800,000 65,800,000 69,100,000 37,400,000 45,300,000 111,900,000 79,200,000 76,600,000 81,900,000 36,900,000 54,200,000 47,900,000 42,000,000 4,100,000  32,000,000 29,300,000 1,400,000 35,000,000 59,200,000 60,200,000 43,600,000 24,500,000 49,400,000 24,100,000 5,000,000 87,900,000 65,400,000 51,300,000 66,800,000 46,300,000                            
      long-term debt, current portion
    34,900,000 4,900,000 4,900,000 4,900,000 4,900,000 4,900,000 4,900,000 4,900,000 7,000,000 6,900,000 6,700,000 6,700,000 8,200,000 8,200,000 8,200,000 10,100,000 19,000,000 8,500,000 6,300,000 6,300,000 6,300,000 19,500,000 19,500,000 19,500,000 31,800,000 29,700,000 29,800,000 29,800,000 29,900,000 30,000,000 16,800,000 17,000,000 17,200,000 17,100,000 17,400,000 4,100,000 4,100,000 4,000,000 4,000,000 2,500,000 2,500,000 2,500,000 2,500,000 600,000 600,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000                            
      regulatory liabilities
    18,400,000 21,000,000 23,800,000 17,200,000 22,400,000 24,500,000 17,900,000 13,500,000 16,900,000 18,400,000 17,000,000 15,000,000 20,800,000 25,900,000 15,600,000 13,100,000 17,100,000 14,700,000 10,600,000 12,600,000 10,500,000 14,400,000 18,500,000 15,000,000 12,200,000 14,200,000 10,900,000 15,000,000 16,600,000 12,800,000 10,400,000 13,200,000 15,900,000 18,800,000 15,600,000 28,100,000 31,200,000 39,400,000 8,700,000 13,000,000 13,000,000 13,100,000 9,700,000 11,400,000 13,300,000            31,300,000 31,300,000                       
      energy supply obligations
    17,000,000 11,100,000 6,200,000 10,000,000 12,800,000 8,600,000 7,000,000 15,000,000 18,700,000 13,900,000 10,600,000 24,100,000 29,800,000 16,600,000 6,900,000 16,100,000 9,900,000 7,700,000 12,100,000 8,400,000 7,900,000 12,500,000 9,200,000 4,600,000 15,000,000 9,400,000 7,800,000 12,900,000 10,300,000 9,000,000 12,000,000 13,200,000 12,800,000 13,900,000 14,600,000 15,800,000 13,800,000 12,600,000 22,100,000 18,100,000 12,300,000 6,100,000 14,400,000   13,800,000                                   
      interest payable
    7,900,000 8,600,000 7,900,000 8,400,000 7,400,000 6,000,000 7,200,000  6,500,000 5,200,000 6,100,000  6,500,000 4,800,000 6,400,000 6,700,000 4,900,000 6,800,000 7,200,000 4,200,000 7,200,000 7,100,000 4,000,000 7,000,000  4,100,000 6,900,000 6,000,000 3,900,000 6,000,000  6,300,000 3,500,000 6,100,000  6,300,000 3,500,000 6,300,000 3,500,000 5,400,000 3,100,000 5,400,000 3,100,000 5,400,000 3,100,000                        1,111  1,088 25 867  867 -28 839 -28 664 45 
      environmental obligations
    800,000 700,000 700,000 700,000 800,000 700,000 700,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000 500,000 700,000 400,000 300,000 300,000 300,000 300,000     600,000 600,000 500,000 500,000 500,000 400,000 300,000 300,000 700,000 1,300,000 5,000,000 3,400,000 3,400,000 3,500,000 5,300,000 6,400,000 1,400,000 13,800,000 13,800,000 13,800,000 13,800,000 14,500,000 14,500,000 14,500,000 14,400,000 14,500,000 14,500,000 14,200,000                            
      operating lease obligations
    1,900,000 1,700,000 1,800,000 1,800,000    1,900,000                                                                         
      taxes payable
    3,200,000 6,000,000 10,400,000   8,000,000 8,900,000 1,900,000  2,300,000                       400,000  2,400,000 4,900,000 9,100,000         700,000 500,000 100,000 1,000,000 600,000 400,000          300,000 800,000 2,900,000  2,600,000 1,500,000 1,200,000 888             
      other current liabilities
    30,200,000 27,000,000 23,500,000 30,200,000 30,400,000 26,600,000 22,200,000 29,800,000 28,600,000 22,300,000 26,000,000 29,100,000 20,500,000 18,400,000 17,100,000 19,900,000 19,700,000 18,900,000 19,300,000 17,900,000 16,800,000 18,800,000 18,100,000 19,900,000 21,900,000 12,200,000 11,800,000 13,000,000 11,500,000 11,000,000 20,000,000 13,200,000 10,200,000 11,400,000 14,900,000 11,700,000 10,400,000 7,900,000 11,000,000 11,000,000 9,800,000 8,800,000 10,000,000 10,500,000 9,700,000 16,700,000 21,400,000 20,200,000 17,500,000 22,500,000 17,300,000 16,100,000 24,200,000                -196 -460 -923 1,311 948 616 336 1,353 1,243 460 313 -4,808 
      total current liabilities
    274,600,000 293,500,000 295,000,000 228,700,000 179,200,000 274,300,000 276,600,000 277,300,000 243,400,000 238,000,000 253,500,000 260,100,000 193,600,000 155,000,000 157,700,000 126,600,000 133,300,000 122,900,000 98,200,000 149,300,000 147,100,000 144,400,000 156,000,000 164,800,000 180,500,000 135,400,000 146,300,000 216,300,000 177,900,000 177,000,000 176,900,000 126,300,000 139,000,000 146,000,000 144,600,000 101,200,000 94,500,000 140,400,000 129,400,000 76,000,000 102,600,000 131,700,000 144,700,000 115,500,000 90,600,000 125,400,000 77,000,000 54,400,000 154,400,000 126,800,000 100,800,000 126,900,000 110,000,000                            
      noncurrent liabilities:
                                                                                    
      retirement benefit obligations
    26,000,000 26,300,000 25,800,000 25,500,000 42,500,000 46,400,000 46,000,000 45,600,000 41,300,000 44,300,000 46,800,000 46,800,000 135,200,000 135,900,000 136,300,000 166,200,000 165,100,000 164,800,000 145,000,000 147,500,000 145,400,000 120,800,000 123,300,000 122,900,000 142,400,000 154,700,000 151,600,000 155,000,000 153,300,000 151,500,000 149,000,000 127,800,000 128,300,000 126,800,000 124,400,000 122,000,000 123,500,000 121,400,000 118,600,000 81,800,000 80,800,000 79,100,000 77,300,000 107,900,000 110,600,000 103,700,000 88,900,000 91,100,000 91,200,000 74,100,000 72,100,000 74,000,000 67,200,000                            
      deferred income taxes
    188,200,000 187,200,000 184,600,000 186,100,000 176,600,000 178,600,000 179,100,000 176,100,000 173,700,000 171,300,000 171,100,000 163,400,000 136,100,000 136,400,000 135,000,000 115,700,000 115,400,000 115,400,000 109,400,000 109,000,000 108,700,000 108,300,000 104,100,000 103,800,000 86,400,000 88,100,000 87,000,000 109,200,000 106,800,000 106,000,000 97,900,000 99,600,000 95,600,000 93,100,000 4,700,000 12,500,000 15,200,000 2,600,000 3,100,000 2,100,000 1,500,000 3,400,000 6,700,000    51,700,000 51,800,000 46,300,000 46,700,000 48,100,000 43,800,000 37,200,000                            
      cost of removal obligations
    151,400,000 147,400,000 143,900,000 139,200,000 139,300,000 134,900,000 130,600,000 126,300,000 125,800,000 123,200,000 120,000,000 116,100,000 115,400,000 112,400,000 109,800,000 108,200,000 105,100,000 102,500,000 107,100,000 102,600,000 98,800,000 98,400,000 94,000,000 93,700,000 91,200,000 87,800,000 86,600,000 84,800,000 82,300,000 79,700,000 77,000,000 77,400,000 74,900,000 72,300,000 70,100,000 69,900,000 68,100,000 65,700,000 63,800,000 63,200,000 60,800,000 59,200,000 57,300,000 56,700,000 54,700,000 51,400,000                                   
      other noncurrent liabilities
    6,600,000 6,100,000 5,900,000 5,300,000 8,400,000 8,300,000 8,800,000 4,600,000 8,400,000 8,300,000 8,600,000 6,600,000 6,600,000 6,900,000 7,300,000 6,800,000 7,200,000 7,000,000 7,800,000 7,300,000 7,200,000 10,200,000 8,900,000 10,700,000 6,600,000 5,600,000 5,700,000 4,600,000 4,900,000 4,900,000 5,100,000 3,800,000 4,500,000 3,500,000 3,600,000 3,500,000 3,500,000 1,900,000 1,900,000 4,100,000 5,600,000 4,000,000 1,800,000 2,200,000 2,200,000 2,400,000 7,900,000 8,400,000 8,100,000 9,400,000 7,400,000 8,500,000 8,800,000                            
      total noncurrent liabilities
    437,300,000 430,600,000 424,400,000 414,900,000 417,100,000 405,500,000 402,600,000 394,700,000 388,000,000 386,700,000 386,800,000 373,600,000 433,400,000 432,700,000 432,700,000 441,500,000 437,700,000 435,000,000 415,900,000 413,100,000 407,100,000 384,400,000 377,200,000 378,500,000 377,900,000 388,900,000 386,400,000 361,700,000 355,900,000 352,100,000 341,400,000 324,000,000 319,400,000 311,400,000 310,900,000 310,700,000 307,800,000 288,400,000 268,600,000 245,900,000 242,600,000 237,600,000 225,900,000 238,700,000 238,600,000 213,300,000 114,900,000 117,800,000 118,000,000 104,000,000 102,300,000 109,600,000 103,800,000                            
      capitalization:
                                                                                    
      long-term debt, less current portion
    635,600,000 635,800,000 637,200,000 638,400,000 638,400,000 506,400,000 507,900,000 509,100,000 509,000,000 486,200,000 488,000,000 489,100,000 493,100,000 495,100,000 496,600,000 501,300,000 505,300,000 515,800,000 529,000,000 436,400,000 436,300,000 410,900,000 373,100,000 373,000,000 361,100,000 363,100,000 363,000,000 303,600,000 303,500,000 303,500,000 316,800,000 335,000,000 305,200,000 305,400,000 308,100,000 328,400,000 328,600,000 328,700,000 328,900,000 326,700,000 284,600,000 284,700,000 284,800,000 286,900,000 287,000,000 287,300,000 287,500,000 287,600,000 287,800,000 288,000,000 288,100,000 288,300,000 288,500,000                            
      stockholders’ equity:
                                                                                    
      common equity
    416,700,000 344,600,000 342,600,000 341,200,000 339,800,000 339,300,000 338,700,000 337,600,000 337,000,000 336,500,000 336,100,000 334,900,000 334,400,000 334,100,000 333,700,000 331,600,000 286,800,000 286,300,000 284,800,000 284,400,000 284,000,000 281,700,000 281,300,000 280,700,000 278,300,000 277,900,000 277,400,000 243,400,000 242,700,000 242,100,000 240,700,000 239,900,000 239,400,000 238,900,000 237,500,000 236,800,000 236,400,000 236,000,000 234,700,000 233,900,000 233,600,000 233,100,000 232,100,000                                      
      retained earnings
    180,300,000 188,000,000 191,300,000 171,100,000 162,400,000 169,300,000 171,900,000 151,500,000 142,600,000 147,700,000 150,100,000 132,500,000 124,200,000 130,000,000 131,400,000 107,800,000 113,800,000 116,800,000 95,800,000 101,100,000 103,700,000 88,100,000 91,500,000 93,000,000 66,500,000 69,100,000 71,000,000 54,700,000 57,500,000 59,500,000 52,200,000 47,000,000 48,500,000 51,000,000 45,100,000 40,700,000 43,900,000 47,100,000 38,400,000 33,800,000 37,000,000 40,700,000 32,900,000                                      
      total common stock equity
    597,000,000 532,600,000 533,900,000 512,300,000 502,200,000 508,600,000 510,600,000 489,100,000 479,600,000 484,200,000 486,200,000 467,400,000 458,600,000 464,100,000 465,100,000 439,400,000 400,600,000 403,100,000 380,600,000 385,500,000 387,700,000 369,800,000 372,800,000 373,700,000 344,800,000 347,000,000 348,400,000 298,100,000 300,200,000 301,600,000 292,900,000 286,900,000 287,900,000 289,900,000 282,600,000 277,500,000 280,300,000 283,100,000 273,100,000 267,700,000 270,600,000 273,800,000 265,000,000                                      
      preferred stock
    200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000                            
      total stockholders’ equity
    597,200,000 532,800,000 534,100,000 512,500,000 502,400,000 508,800,000 510,800,000 489,300,000 479,800,000 484,400,000 486,400,000 467,600,000 458,800,000 464,300,000 465,300,000 439,600,000 400,800,000 403,300,000 380,800,000 385,700,000 387,900,000 370,000,000 373,000,000 373,900,000 345,000,000 347,200,000 348,600,000 298,300,000 300,400,000 301,800,000 293,100,000 287,100,000 288,100,000 290,100,000 282,800,000 277,700,000 280,500,000 283,300,000 273,300,000 267,900,000                                         
      total capitalization
    1,232,800,000 1,168,600,000 1,171,300,000 1,150,900,000 1,140,800,000 1,015,200,000 1,018,700,000 998,400,000 988,800,000 970,600,000 974,400,000 956,700,000 951,900,000 959,400,000 961,900,000 940,900,000 906,100,000 919,100,000 909,800,000 822,100,000 824,200,000 780,900,000 746,100,000 746,900,000 706,100,000 710,300,000 711,600,000 601,900,000 603,900,000 605,300,000 609,900,000 622,100,000 593,300,000 595,500,000 590,900,000 606,100,000 609,100,000 612,000,000 602,200,000 594,600,000 555,400,000 558,700,000 550,000,000 541,000,000 545,000,000 547,900,000 540,400,000 544,300,000 481,500,000 471,200,000 476,400,000 479,300,000 474,000,000                            
      commitments and contingencies
                                                                                    
      total liabilities and capitalization
    1,944,700,000 1,892,700,000 1,890,700,000 1,794,500,000 1,737,100,000 1,695,000,000 1,697,900,000 1,670,400,000 1,620,200,000 1,595,300,000 1,614,700,000 1,590,400,000 1,578,900,000 1,547,100,000 1,552,300,000 1,509,000,000 1,477,100,000 1,477,000,000 1,423,900,000 1,384,500,000 1,378,400,000 1,309,700,000 1,279,300,000 1,290,200,000 1,264,500,000 1,234,600,000 1,244,300,000 1,179,900,000 1,137,700,000 1,134,400,000 1,128,200,000 1,072,400,000 1,051,700,000 1,052,900,000 1,046,400,000 1,018,000,000 1,011,400,000 1,040,800,000 1,000,200,000 916,500,000 900,600,000 928,000,000 920,600,000                                      
      december 31,
       2,024,000,000    2,023,000,000    2,022,000,000                   2,016,000,000    2,015,000,000    2,014,000,000    2,013,000,000   2,012,000,000   2,011,000,000   2,010,000,000                             
      total utility plant
                  1,696,100,000   1,602,000,000   1,514,200,000   1,377,100,000 1,348,800,000 1,310,000,000 1,286,700,000 1,250,300,000 1,213,300,000 1,187,400,000  1,147,000,000 1,115,500,000 1,089,400,000  1,051,600,000 1,020,900,000 997,400,000  958,400,000 929,600,000 913,200,000  888,300,000 862,600,000  813,000,000 793,000,000  762,300,000 744,800,000  711,300,000                            
      taxes refundable
                      100,000             1,300,000                                                 
      capital lease obligations
                            3,100,000 3,100,000 3,100,000 3,100,000 3,000,000 3,000,000 3,000,000 3,100,000 3,100,000 3,100,000 3,100,000 12,100,000 9,500,000 8,200,000 7,500,000 6,500,000 5,600,000                                        
      material and supplies
                                          6,300,000    5,000,000   4,100,000   3,600,000   2,900,000                             
      dividends declared and payable
                                               4,800,000 4,800,000                                    
      common stock equity:
                                                                                    
      cash
                                               12,300,000 7,100,000 9,800,000 9,500,000 6,800,000 7,500,000 7,900,000 5,800,000 8,900,000 8,000,000                            
      noncurrent assets:
                                                                                    
      other noncurrent assets
                                               15,800,000 17,300,000 16,800,000 17,000,000 20,100,000 18,500,000 20,600,000 25,100,000 23,000,000 26,300,000                            
      total noncurrent assets
                                               136,700,000 143,200,000 152,800,000 153,900,000 159,900,000 158,300,000 151,500,000 161,200,000 166,000,000 168,300,000                            
      capitalization and liabilities:
                                                                                    
      common stock equity
                                               253,900,000 257,800,000 260,400,000 250,900,000 254,700,000 191,700,000 181,200,000 186,300,000 189,000,000 183,500,000                            
      energy supply contract obligations
                                               15,400,000 9,800,000  13,400,000 12,700,000 21,100,000 21,800,000 15,500,000 17,000,000 23,000,000                            
      current deferred income taxes
                                               2,300,000 3,100,000 13,400,000                                   
      noncurrent deferred income taxes
                                               55,400,000 54,400,000 38,700,000                                   
      total capitalization and liabilities
                                               895,200,000 874,200,000 886,600,000 784,000,000 768,300,000 800,200,000 748,700,000 727,600,000 759,600,000 725,000,000                            
      accounts receivable – net of allowance for doubtful accounts of 2.6, 2.4 and 2.5
                                                        27,200,000                            
      operating activities:
                                                                                    
      net income
                                                         4,500,000 6,500,000 10,000,000 8,800,000 9,400,000 9,100,000 9,700,000 6,500,000 5,000,000 3,300,000 8,700,000 6,000,000 4,400,000 2,600,000 8,033 5,305 3,478 2,043 8,553 5,847 4,246 2,710 8,226 5,676 4,410 2,806 7,958 
      adjustments to reconcile net income to cash
                                                                                    
      provided by operating activities:
                                                                                    
      depreciation and amortization
                                                         14,200,000 7,100,000 27,400,000 19,300,000 12,700,000 6,300,000 19,100,000 14,300,000 9,700,000 5,200,000 17,800,000 13,400,000 8,900,000 4,500,000 16,069 11,972 8,520 4,179 19,123 15,309 10,302 5,226 18,830 13,821 9,157 4,764 18,756 
      deferred tax provision
                                                         -5,300,000 -5,200,000                    -1,772 3,166 -2,397 -1,081 -1,409 6,375 
      changes in current assets and liabilities:
                                                                                    
      all other current assets and liabilities
                                                         400,000 6,800,000 -3,600,000 -14,200,000 -4,000,000 2,500,000 4,600,000 800,000  2,600,000 500,000 1,700,000 500,000 2,400,000 -86             
      deferred regulatory and other charges
                                                         -5,100,000  -24,600,000 -14,000,000 -12,200,000                       
      other
                                                         -3,600,000 -1,100,000 1,600,000 -1,500,000 -2,100,000 -1,900,000 9,200,000 300,000 -100,000 400,000 2,300,000 3,200,000 3,100,000 1,900,000 -1,578 3,552 1,188 -346 1,196 2,857 -97 -503 -2,952 -2,111 933 -2,111 1,114 
      cash from operating activities
                                                         27,000,000 24,300,000 50,900,000 21,200,000 18,700,000 5,000,000 47,300,000 27,100,000 19,800,000 7,900,000 26,800,000 23,600,000 17,000,000 6,100,000 20,373 17,143 10,971 694 24,076 21,000 13,749 8,825 30,648 28,664 20,764 15,066 15,621 
      investing activities:
                                                                                    
      property, plant and equipment additions
                                                         -19,200,000 -10,300,000 -58,700,000 -43,000,000 -26,100,000 -18,000,000 -28,300,000 -20,600,000 -10,200,000 -4,500,000 -32,500,000 -25,900,000 -19,600,000 -9,600,000 -33,642 -24,653 -14,438 -5,626 -24,367 -16,680 -9,498 -4,444 -22,922 -17,074 -10,636 -4,367 -21,939 
      acquisition costs
                                                            -6,800,000                        
      cash (used in) investing activities
                                                         -19,200,000 -10,300,000 -65,600,000 -49,800,000 -26,100,000 -18,000,000 -238,200,000 -20,600,000 -10,200,000 -4,500,000 -32,500,000 -25,900,000 -19,600,000 -9,600,000  -24,653 -14,438 -5,626  -16,680 -9,498 -4,444  -17,074    
      financing activities:
                                                                                    
      repayment of short-term debt
                                                         -39,900,000           -13,000,000         -185 -1,400    -6,980  
      proceeds from issuance (repayment of) long-term debt
                                                         39,700,000                           
      net decrease in gas inventory financing
                                                         -1,600,000 -3,800,000                          
      dividends paid
                                                         -7,600,000 -3,800,000 -13,200,000 -9,400,000 -5,600,000 -2,800,000 -8,100,000 -6,100,000 -4,000,000 -2,000,000 -7,900,000 -6,000,000 -4,000,000 -2,000,000 -7,908 -5,916 -3,939 -1,966 -7,843 -5,877 -3,913 -1,953 -7,857 -5,887 -3,921 -1,957 -7,056 
      proceeds from issuance of common stock
                                                         500,000 200,000 56,400,000 56,200,000 56,200,000 5,400,000 37,400,000                     
      cash (used in) financing activities
                                                         -9,200,000 -12,900,000                  -3,792 -3,948       
      net decrease in cash
                                                         -1,400,000                        -375 -1,206  
      cash at beginning of period
                                                         7,700,000 7,700,000  11,500,000 11,500,000 11,500,000  4,600,000 4,600,000 4,600,000  4,600,000 4,600,000 4,600,000  3,207 3,207 3,207  3,032 3,032 3,032  3,766 3,766 3,766  
      cash at end of period
                                                         6,300,000 8,800,000  9,000,000 10,300,000 14,500,000  5,000,000 4,300,000 4,000,000  4,200,000 2,200,000 2,800,000  3,821 3,854 2,213  3,560 3,335 4,164  3,821 3,391 2,560  
      supplemental cash flow information:
                                                                                    
      interest paid
                                                         9,700,000 2,000,000 19,300,000 11,600,000 9,700,000 2,600,000 12,500,000 8,000,000 6,100,000 2,100,000 12,200,000 7,600,000 5,700,000 2,000,000 10,690 7,018 5,358 1,542 9,455 6,154 4,685 1,460 9,052 -5,910 -4,524 1,603 9,113 
      income taxes paid
                                                         1,000,000 1,000,000 -3,800,000 600,000 500,000  -500,000 500,000 500,000 200,000 5,300,000 3,300,000 3,300,000 1,800,000 3,101 2,653 1,893 803 4,544 3,544 1,693  990    -2,541 
      description
                                                                                    
      natural gas futures contracts
                                                                                    
      total
                                                                                    
      proceeds from (repayment of) short-term debt
                                                          -45,200,000 -9,600,000 -20,100,000 -43,500,000 13,600,000 55,300,000 2,900,000 -6,000,000 -2,100,000 -7,200,000    7,300    -6,975    3,265 -2,665 -3,600  -13,580 
      proceeds from issuance of long-term debt
                                                          40,000,000     90,000,000    20,000,000 20,000,000 20,000,000   15,000            
      net increase in cash
                                                          1,100,000 -3,800,000 -2,500,000  3,000,000 6,900,000 400,000    -400,000 -2,400,000  1,349 614 647 -994 175 528 303 1,132 -734 55   -3,394 
      balance sheet location
                                                                                    
      fair value
                                                          1,900,000                          
      amount of gain recognized in regulatory asset / liability for derivatives
                                                          -3,100,000                          
      adjustments to reconcile net income to cash from operating activities:
                                                                                    
      deferred taxes provision
                                                           7,100,000   -1,800,000 7,400,000                     
      acquisitions
                                                           -6,900,000    -209,900,000                     
      repayment of long-term debt
                                                           -400,000    -400,000 -200,000   -300,000 -100,000   -310 -230 -151 -75 -286 -213 -141 -70 -3,264  -3,130 -3,064 -3,244 
      net increase in gas inventory financing
                                                           -21,800,000    24,000,000                     
      cash from financing activities
                                                           10,900,000 26,100,000 6,200,000 16,000,000 197,800,000 -6,100,000 -9,900,000 -4,000,000 5,700,000 1,900,000 200,000 1,700,000 14,618 8,124 4,114 3,938 466    -8,460    2,924 
      cash at beginning of year
                                                           11,500,000    4,600,000    4,600,000    3,207    3,032    3,766    7,160 
      cash at end of year
                                                           7,700,000    11,500,000    4,600,000    4,556    3,207    3,032    3,766 
      supplemental information:
                                                                                    
      balance at january 1, 2007
                                                           63,500,000                         
      net income for 2007
                                                                                    
      dividends
                                                                                    
      shares issued under stock plans
                                                           800,000    300,000                     
      issuance of 38,303 common shares
                                                           1,000,000    1,000,000    1,000,000                 
      balance at december 31, 2007
                                                           65,300,000    65,300,000    64,500,000                 
      net income for 2008
                                                                                    
      issuance of 32,754 common shares
                                                           800,000    800,000                     
      issuance of 2,000,000 common shares
                                                           36,200,000    36,200,000                     
      balance at december 31, 2008
                                                           102,700,000    102,700,000                     
      net income for 2009
                                                                                    
      issuance of 43,615 common shares
                                                           900,000                         
      issuance of 2,970,000 common shares
                                                           55,500,000                         
      balance at december 31, 2009
                                                           159,500,000                         
      deferred taxes
                                                            5,100,000 -2,600,000   2,400,000 1,200,000 -200,000 -900,000 -2,500,000 -2,300,000 -500,000  -1,185 -964 -1,352  -2,642 -2,653       
      equity purchase price
                                                            160,000,000 160,000,000                       
      plus: working capital adjustment
                                                            49,200,000 49,200,000                       
      aggregate purchase price
                                                            209,200,000 209,200,000                       
      transaction and transition costs
                                                            14,400,000 13,000,000                       
      total cash purchase price
                                                            223,600,000 222,200,000                       
      allocation to:
                                                                                    
      book value of net utility plant
                                                            -197,000,000 -197,000,000                       
      cash acquired
                                                            -6,900,000 -6,900,000                       
      accounts receivable and other current assets
                                                            -21,700,000 -21,700,000                       
      regulatory and other noncurrent assets
                                                            -34,200,000 -32,800,000                       
      accounts payable and other current liabilities
                                                            20,000,000 20,000,000                       
      plant acquisition adjustment
                                                            -24,200,000 -24,200,000                       
      net (decrease) in cash
                                                             -1,200,000    -300,000 -600,000    -1,800,000              
      declaration date
                                                                                    
      03/26/09
                                                              5,000,000                      
      01/15/09
                                                              2,000,000                      
      09/25/08
                                                              10,000,000  10,000,000                    
      06/19/08
                                                              8,000,000  8,000,000 8,000,000                   
      03/20/08
                                                              5,000,000  5,000,000 5,000,000 5,000,000                  
      01/17/08
                                                              2,000,000  2,000,000 2,000,000 2,000,000                  
      deferred restructuring charges
                                                               2,600,000 2,400,000 1,700,000 1,000,000 3,500,000    1,129     -5,083 -2,805 -2,161 -5,900    -6,058 
      balance at january 1, 2006
                                                               62,200,000                     
      net income for 2006
                                                                                    
      issuance of 40,365 common shares
                                                               1,000,000    1,000,000    1,001             
      balance at december 31, 2006
                                                               63,500,000    62,200,000    61,827             
      issuance of common stock
                                                                700,000 500,000 200,000 1,500,000 1,300,000 500,000 300,000 1,001 757 513 245 1,031 806 546 299 947 718 481 244 17,628 
      retirement of preferred stock
                                                                    -100,000 -100,000  -243 -244 -243 -222 -11 -11 -11  -931  -27  -53 
      acquisition-related expenditures
                                                                -3,300,000                    
      09/13/07
                                                                11,000,000 11,000,000 11,000,000  11,000,000                
      06/21/07
                                                                8,000,000 8,000,000 8,000,000  8,000,000 8,000,000               
      03/22/07
                                                                5,000,000 5,000,000 5,000,000  5,000,000 5,000,000 5,000,000              
      01/18/07
                                                                2,000,000 2,000,000 2,000,000  2,000,000 2,000,000 2,000,000              
      proceeds from (repayment of) long-term debt
                                                                 -200,000                   
      taxes payable /
                                                                   -1,600,000                 
      balance at january 1, 2005
                                                                   59,900,000                 
      net income for 2005
                                                                                    
      dividends on preferred shares
                                                                                    
      dividends on common shares
                                                                                    
      stock compensation plans
                                                                   100,000                 
      issuance of 38,003 common shares
                                                                   1,000,000    1,031    1,031         
      balance at december 31, 2005
                                                                   61,000,000    60,826    60,826         
      exercised stock options – 42,437 common shares
                                                                   1,000,000                 
      09/29/06
                                                                    11,000,000 11,000,000 11,000,000  11            
      06/22/06
                                                                    8,000,000 8,000,000 8,000,000            
      03/23/06
                                                                    5,000,000 5,000,000 5,000,000           
      01/12/06
                                                                    2,000,000 2,000,000 2,000,000           
      proceeds from (repayment) of short-term debt
                                                                     -16,500,000   -1,125 7,950           
      proceeds from short-term debt
                                                                      3,700,000              
      deferred tax benefit
                                                                       481    -240         
      cash from investing activities
                                                                       -33,642    -24,367    -22,922  -10,636 -4,367 -21,939 
      issuance of long-term debt
                                                                       15,000    15,000        10,000 
      repayment of capital lease obligations
                                                                       -222 -118 -16 -69 -450 -347 -244 -125 -620  -306 -148 -771 
      balance at january 1, 2004
                                                                       58,848             
      net income for 2004
                                                                                    
      issuance of 35,310 common shares
                                                                       947    947    947     
      balance at december 31, 2004
                                                                       59,795    59,795    59,795     
      cash flow from operating activities:
                                                                                    
      taxes refundable / payable
                                                                        1,586 921 2,195  2,700 3,261       
      refundable customer deposits
                                                                        151 51 58 486 393 212 119 116    93 
      deferred restructuring and other charges
                                                                        210 -534 -444 -6,256         
      cash flows from investing activities:
                                                                                    
      cash flows from financing activities:
                                                                                    
      09/23/05
                                                                        11 11 11  11        
      06/17/05
                                                                               
      03/24/05
                                                                              
      01/13/05
                                                                              
      issuance (repayment) of short-term debt
                                                                          6,025  1,850        
      supplemental schedule of noncash activities:
                                                                                    
      capital leases incurred
                                                                           439    246 246   109 
      balance at january 1, 2003
                                                                           41,220         
      net income for 2003
                                                                                    
      common stock offering—717,600 shares
                                                                           16,911    16,911    16,911 
      issuance of 28,714 common shares
                                                                           717    717    717 
      balance at december 31, 2003
                                                                           58,848    58,848    58,848 
      09/24/04
                                                                            11 11 11  11    
      06/24/04
                                                                               
      03/31/04
                                                                              
      01/15/04
                                                                              
      cash (used in financing) activities
                                                                              -3,249  -11,535    
      income taxes refunded
                                                                              478    1,333  
      gain on sale of investments
                                                                                    
      proceeds from the sale of investments
                                                                                    
      balance at january 1, 2002
                                                                               41,220     
      net income for 2002
                                                                                    
      redemption premium on preferred shares
                                                                                    
      balance at december 31, 2002
                                                                               41,220    41,220 
      (repayment of) long-term debt
                                                                                -3,196    
      (retirement of) preferred stock
                                                                                -27    
      (repayment of) capital lease obligations
                                                                                -478    
      income taxes (paid) refunded
                                                                                -869 -368   
      09/26/03
                                                                                11 11 11  
      06/26/03
                                                                                 
      03/21/03
                                                                                 
      01/16/03
                                                                                 
      cash from (used in financing) activities
                                                                                 -10,503 -11,905  
      (gain) loss on sale of investments
                                                                                    
      proceeds from the sale of electric generation assets
                                                                                    
      balance at january 1, 2001
                                                                                   40,991 
      net income after extraordinary item for 2001
                                                                                    
      issuance of 11,279 common shares
                                                                                   287 
      re-acquired and retired common shares
                                                                                   -58 
      balance at december 31, 2001
                                                                                   41,220 
    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.