| 年 | 衰减率 | 发电量(万度) | 收益(万元) |
| 1 | 3% | 134.90 | 111.97 |
| 2 | 0.50% | 130.85 | 108.61 |
| 3 | 0.50% | 130.20 | 108.06 |
| 4 | 0.50% | 129.55 | 107.52 |
| 5 | 0.50% | 128.90 | 106.99 |
| 6 | 0.50% | 128.26 | 106.45 |
| 7 | 0.50% | 127.61 | 105.92 |
| 8 | 0.50% | 126.98 | 105.39 |
| 9 | 0.50% | 126.34 | 104.86 |
| 10 | 0.50% | 125.71 | 104.34 |
| 11 | 0.50% | 125.08 | 103.82 |
| 12 | 0.50% | 124.46 | 103.30 |
| 13 | 0.50% | 123.83 | 102.78 |
| 14 | 0.50% | 123.21 | 102.27 |
| 15 | 0.50% | 122.60 | 101.76 |
| 16 | 0.50% | 121.99 | 101.25 |
| 17 | 0.50% | 121.38 | 100.74 |
| 18 | 0.50% | 120.77 | 100.24 |
| 19 | 0.50% | 120.16 | 99.74 |
| 20 | 0.50% | 119.56 | 99.24 |
| 21 | 0.50% | 118.97 | 98.74 |
| 22 | 0.50% | 118.37 | 98.25 |
| 23 | 0.50% | 117.78 | 97.76 |
| 24 | 0.50% | 117.19 | 97.27 |
| 25 | 0.50% | 116.60 | 96.78 |
| 总计 | / | 3101.25 | 2574.03 |