| 年份 | 第一产业用电量占比 | 第二产业用电量占比 | 第三产业用电量占比 | 居民生活用电量占比 |
| 1990 | 6.18% | 67.39% | 20.12% | 6.31% |
| 1991 | 5.78% | 65.75% | 21.61% | 6.86% |
| 1992 | 5.80% | 65.67% | 21.36% | 7.17% |
| 1993 | 5.56% | 64.58% | 22.33% | 7.53% |
| 1994 | 4.92% | 63.66% | 23.35% | 8.07% |
| 1995 | 4.59% | 63.07% | 24.21% | 8.13% |
| 1996 | 4.58% | 61.26% | 25.26% | 8.90% |
| 1997 | 4.57% | 58.01% | 27.38% | 10.04% |
| 1998 | 3.92% | 56.06% | 29.37% | 10.65% |
| 1999 | 4.08% | 53.22% | 30.71% | 12.00% |