Nighthawk Energy Storage, LLC
Nighthawk Energy Storage, LLC is a 300 MW battery storage project in San Diego County, California, operated by Nighthawk Energy Storage, LLC. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2026.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 300 MW
- 300 MW net summer
- Generating units
- 1
- In service
- 2026
- EIA plant ID
- 65889
Where it is
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- County
- San Diego County, California
- Coordinates
- 32.934, -117.038
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Nighthawk Energy Storage, LLC
- Primary energy source
- Battery
- Technologies
- Batteries
- Status
- Operating
Nighthawk Energy Storage, LLC: FAQ
- Where is Nighthawk Energy Storage, LLC?
- In San Diego County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Nighthawk Energy Storage, LLC?
- 300 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Nighthawk Energy Storage, LLC?
- EIA-860M names Nighthawk Energy Storage, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Nighthawk Energy Storage, LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.