| 构皮滩起调水位/m | 发电量偏差 | 弃水减少量/亿m³ |
| 614.81 | 1.65% | 0.03 |
| 616.16 | 2.21% | 0.03 |
| 617.52 | 1.12% | 0.04 |
| 618.88 | 0.93% | 0.09 |
| 620.24 | 1.50% | 0.11 |
| 621.59 | 1.55% | 0.14 |
| 622.91 | 1.06% | 0.20 |
| 624.19 | 0.91% | 0.28 |
| 625.42 | 0.73% | 0.40 |
| 平均 | 1.29% | 0.15 |