Seminoe Pumped Water Storage Project
Sector: Energy Storage • Location: Casper, Wyoming, United States
Source: Plainview Herald
A proposed $4 billion pumped-water electricity storage facility at Seminoe Reservoir in Wyoming. The project involves building a 13,400-acre-foot reservoir in the Bennett Mountains above the current Seminoe Reservoir to store water pumped uphill during off-peak hours and release it to generate hydroelectricity during peak demand. The project aims to provide energy storage to meet Wyoming's future
- Status
- Prospective
- Sector
- Energy Storage, Hydro, Water Supply and Storage, Power Generation (CCGT), Commercial
- Location
- Casper, Wyoming, United States of America
- Updated
- 22 Jul 2026
- Source
- Plainview Herald
ConstructChat
Ask ConstructChat about Seminoe Pumped Water Storage Project
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
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 Seminoe Reservoir in Wyoming. The project involves building a 13,400-acre-foot reservoir in the Bennett Mountains above the current Seminoe Reservoir to store water pumped uphill during off-peak hours and release it to generate hydroelectricity during peak demand. The project aims to provide energy storage to meet Wyoming's future energy needs and lower electricity costs. |
Original sector | Energy |
Budget |
Location
Country | United States of America (USA) |
State | Wyoming |
City | Casper |
Source
Source | Plainview Herald |
URL |
More Details
Record type | Project |
Sector | Energy Storage, Hydro, Water Supply and Storage, Power Generation (CCGT), Commercial |
Article published date | 2026-06-01 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project
More Energy Storage projects in United States
- Tampa Bay Seawater Desalination Plant
- Centrally Managed Pay-and-Display Parking
- Chevron Richmond Refinery
- Nestle Food and Distribution Centre, USA
- Pepperidge Farm Bakery Plant
- Baldock Solar Highway
- Doyle Drive Replacement / Presidio Parkway, San Francisco, US
- Newtown Creek (35-G) North and North Central Batteries