Big Rock Energy Storage Project
Sector: Road • Location: California, United States
Source: Solar Power World
The Big Rock energy storage site is a 200-MW/400-MWh project located in Imperial County, California. Developed and operated by LS Energy Solutions in partnership with Gore Street Energy Storage Fund, it provides resource adequacy and ancillary services to the California Independent System Operator electrical grid. The site includes 137 LS-ES AiON-ESS containers storing energy for two-hour duration
- Status
- Closed
- Sector
- Road, Solar, Energy Storage, Power Generation (CCGT), Commercial
- Location
- California, United States of America
- Updated
- 22 Jul 2026
- Source
- Solar Power World
ConstructChat
Ask ConstructChat about Big Rock Energy 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 | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Big Rock energy storage site is a 200-MW/400-MWh project located in Imperial County, California. Developed and operated by LS Energy Solutions in partnership with Gore Street Energy Storage Fund, it provides resource adequacy and ancillary services to the California Independent System Operator electrical grid. The site includes 137 LS-ES AiON-ESS containers storing energy for two-hour durations and operates at 100 MW deliverability to supply 400 MWh to CAISO under a 12-year resource adequacy contract. |
Original sector | Energy Storage |
Location
Country | United States of America (USA) |
State | California |
Source
Source | Solar Power World |
URL |
More Details
Record type | Project |
Sector | Road, Solar, Energy Storage, Power Generation (CCGT), Commercial |
Article published date | 2025-09-16 |
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