| Qinghai grid 2020 scenario | Without Energy storage | With 1200 MW pumped storage |
| TWh | TWh | |
| PV generation | 6.47 | 16.12 |
| Curtailment | 10.5 | 0.85 |
| Curtailment rate (%) | 61.95 | 5 |
| FLH of pumped storage system (hour) | 0 | 1,313 |