Renewable Electric Power Industry Net Summer Capability (Megawatt-hours)
| Energy Source | Total | Conventional Hydroelectric | Wood/Wood Waste | Municipal Waste |
| 2007 | 933 | 672 | 83 | 178 |
| 2006 | 843 | 669 | 80 | 95 |
| 2005 | 831 | 658 | 80 | 93 |
| 2004 | 931 | 754 | 84 | 93 |
| 2003 | 952 | 776 | 83 | 93 |
| 2002 | 926 | 754 | 80 | 93 |
| 2001 | 930 | 754 | 84 | 93 |
| 2000 | 972 | 758 | 85 | 130 |
| 1999 | 1,399 | 763 | 424 | 212 |
| 1998 | 1,399 | 763 | 424 | 212 |
| 1997 | 1,381 | 768 | 395 | 218 |
| 1996 | 1,359 | 806 | 335 | 218 |
| 1995 | 1,376 | 807 | 406 | 163 |
| 1994 | 1,389 | 785 | 440 | 163 |
| 1993 | 1,302 | 786 | 356 | 159 |
| 1992 | 1,290 | 781 | 356 | 153 |
| 1991 | 1,278 | - | 346 | - |
| 1990 | 1,197 | - | 268 | - |