Seminoe Pumped Water Electricity Storage Facility
Sector: Hydro • Location: Casper, Wyoming, United States
Source: The Lufkin Daily News
A proposed $4 billion pumped-water electricity storage facility at Wyoming's Seminoe Reservoir. The project involves building a 13,400-acre-foot reservoir in the Bennett Mountains above Seminoe Reservoir to store water pumped uphill during off-peak electricity demand hours and release it to generate hydroelectricity during higher-demand periods. The project aims to provide energy storage and help
- Status
- Prospective
- Sector
- Hydro, Energy Storage, Water Supply and Storage, Power Generation (CCGT), Commercial
- Location
- Casper, Wyoming, United States of America
- Updated
- 22 Jul 2026
- Source
- The Lufkin Daily News
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Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | A proposed $4 billion pumped-water electricity storage facility at Wyoming's Seminoe Reservoir. The project involves building a 13,400-acre-foot reservoir in the Bennett Mountains above Seminoe Reservoir to store water pumped uphill during off-peak electricity demand hours and release it to generate hydroelectricity during higher-demand periods. The project aims to provide energy storage and help meet Wyoming's future energy needs by enhancing grid reliability and affordability. |
Original sector | Energy |
Budget |
Location
Country | United States of America (USA) |
State | Wyoming |
City | Casper |
Source
Source | The Lufkin Daily News |
URL |
More Details
Record type | Project |
Sector | Hydro, Energy Storage, Water Supply and Storage, Power Generation (CCGT), Commercial |
Article published date | 2026-06-02 |
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