| Year | Generated Load | Imported Load | Exported Load | Billed Energy |
| 1998 | 186,740,123 | 60,461,017 | 896,874 | 164,567,890 |
| 1999 | 197,509,297 | 70,215,550 | 887,833 | 169,345,786 |
| 2000 | 203,856,357 | 94,088,250 | 1,074,283 | 171,370,457 |
| 2001 | 209,350,019 | 121,501,850 | 1,429,081 | 187,345,908 |
| 2002 | 225,511,388 | 135,691,250 | 8,393,952 | 187,908,456 |
| 2003 | 235,251,447 | 120,918,350 | 3,307,583 | 190,564,723 |
| 2004 | 204,027,563 | 115,705,320 | 2,214,177 | 195,789,321 |
| 2005 | 203,101,585 | 89,050,137 | 1,822,661 | 198,257,098 |
| 2006 | 246,681,228 | 80,016,600 | 2,033,200 | 201,011,234 |
| 2007 | 227,305,784 | 76,518,580 | 1,946,525 | 202,346,264 |
| 2008 | 272,526,554 | 84,491,627 | 2,324,950 | 225,433,700 |
| 2009 | 305,541,633 | 62,260,580 | 2,914,851 | 245,612,132 |
| 2010 | 358,319,655 | 79,754,580 | 2,805,750 | 286,585,870 |
| 2011 | 416,078,235 | 77,192,135 | 2,491,400 | 359,210,183 |
| 2012 | 480,559,988 | 89,735,625 | 289,349 | 384,968,807 |
| 2013 | 505,651,723 | 94,408,691 | 2,524,680 | 412,570,980 |
| 2014 | 557,413,978 | 88,587,986 | 3,600,020 | 509,418,298 |
| 2015 | 606,985,601 | 87,163,047 | 3,906,349 | 561,764,236 |
| 2016 | 685,257,965 | 73,345,355 | 4,378,095 | 626,595,503 |
| 2017 | 746,304,381 | 76,696,638 | 4,118,676 | 661,786,326 |
| 2018 | 816,863,770 | 93,775,090 | 4,508,124 | 687,808,689 |
| 2019 | 872,312,744 | 96,102,406 | 5,320,545 | 702,597,060 |
| 2020 | 1,753,176,323 | 204,219,150 | 5,584,477 | 916,674,234 |