Nighthawk Energy Storage, LLC reports 300 MW battery storage in CAISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 65889 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| BESS | Batteries | Operating | 300 | 1,200 |
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Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| BESS | 300 MW 300 MW summer | Batteries Electricity used for energy storage · BA | Jun 2026 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Project milestones and public references behind the asset profile.
EIA-860 lists generator BESS with this operating date.
EIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
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Nighthawk Energy Storage reports 300 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Nighthawk Energy Storage is a batteries facility in San Diego County, CA, participating in the CAISO market.
Nighthawk Energy Storage is in San Diego County, CA, inside the CAISO balancing area.
Nighthawk Energy Storage is operated by Nighthawk Energy Storage, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Nighthawk Energy Storage reported 39.8 GWh over the twelve months to 2026-07. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.
By capacity, Nighthawk Energy Storage ranks #16 of 1,061 operating plants of the same technology nationally. It ranks #8 of 272 in CA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.