Total Renewable Net Generation 1990-2007 (Thousand Kilowatthours)
| Year | Total | Conventional Hydroelectric | Municipal Waste | Wood and Wood Waste | Other Waste |
| 2007 | 3,813,835 | 1,248,264 | 752,928 | 1,792,326 | 20,317 |
| 2006 | 3,809,644 | 1,351,194 | 661,829 | 1,780,043 | 16,578 |
| 2005 | 4,462,957 | 1,484,352 | 1,131,845 | 1,799,862 | 46,898 |
| 2004 | 4,537,243 | 1,583,049 | 1,148,351 | 1,764,016 | 41,827 |
| 2003 | 4,495,864 | 1,781,569 | 1,099,527 | 1,587,545 | 27,223 |
| 2002 | 3,386,411 | 868,216 | 1,106,144 | 1,407,922 | 4,129 |
| 2001 | 3,158,102 | 1,014,222 | 990,877 | 1,148,106 | 4,896 |
| 2000 | 2,856,083 | 711,984 | 460,980 | 1,677,170 | 5,950 |
| 1999 | 620,073 | 620,073 | - | - | - |
| 1998 | 4,023,956 | 1,284,026 | 1,127,137 | 1,605,984 | 6,809 |
| 1997 | 3,742,009 | W | 1,105,401 | 1,563,165 | W |
| 1996 | 3,912,845 | W | 993,800 | 1,473,899 | W |
| 1995 | 3,274,393 | W | 738,604 | 1,535,635 | W |
| 1994 | 3,310,045 | W | 695,738 | 1,462,429 | W |
| 1993 | 3,130,620 | W | 453,544 | 1,357,766 | W |
| 1992 | 3,245,501 | W | 811,271 | 1,341,346 | W |
| 1991 | 3,071,227 | 1,080,741 | W | 1,238,736 | W |
| 1990 | 3,130,447 | W | W | 1,221,898 | - |