| Project Name |
Big-T Pumped Hydro |
| Status |
Permitting / EIS |
| COD (Planned / Actual) |
2026–2033 |
| Capacity (MW) |
400 |
| Energy Storage (GWh) |
4 |
| Duration (Hours) |
10 |
| Head (m) |
300 |
| Upper Reservoir Name |
Mount Sevastopol (planned) |
| Lower Reservoir Name |
Lake Cressbrook |
| Closed-Loop or Open-Loop |
Closed-Loop |
| Location (State, Region) |
QLD – Toowoomba Region |
| Coordinates |
~27.2° S, 152.2° E |
| Developer / Owner |
BE Power / Stanwell Corporation |
| Transmission Link |
QLD Grid |
| Estimated Cost (AUD) |
2 billion (est.) |
| Funding / Partners |
Stanwell, GE Renewable Energy |
| Environmental Status |
EIS underway |
| Construction Timeline |
2024–2033 |
| Job Creation (FTEs) |
200-300 |
| Integration Role |
Grid firming, battery hybrid |
| Website |
https://www.stanwell.com |
| References |
QLD Gov; BE Power; EIS documents |
