Nighthawk Energy Storage, LLC — Plant Summary
- EIA Plant ID
- 65889
- Capacity
- 300 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- San Diego, CA
- Operating Since
- —
- Generators
- 1
- Operator
- Nighthawk Energy Storage, LLC
- Parent Company
- —
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Nighthawk Energy Storage, LLC
Under constructionBESS
Ranked #13 of 191 BESS plants in CA#88 of 837 nationally
300 MW BESS under construction in San Diego, CA — California Independent System Operator
EIA
300 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Location
Coordinates
32.9340, -117.0380
County
San Diego, CA
Nearby Plants
- Pome BESSBESS100 MW · 0.9 km
- Rancho PenasquitosHydro4.3 MW · 7.1 km
- SDCCD - MiramarSolar1 MW · 8.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Nighthawk Energy Storage, LLC | — | — |
| Owner(s) | Nighthawk Energy Storage, LLC | — | — |
| Status | Under construction | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Nighthawk Energy Storage, LLC is a 300 MW battery energy storage system located in San Diego County, California. The plant, identified by the EIA plant code 65889, is owned and operated by Nighthawk Energy Storage, LLC. It consists of a single generator utilizing batteries as its primary fuel source, designated as MWH in the data.
The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Nighthawk Energy Storage is ranked as the 36th largest power plant out of 112 in California, and 151st nationally out of 514 plants. Recent news coverage indicates interest in the plant's role within the electric grid.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
POMERADO_6_N008
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (2)Beta
General
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We present a list of the key Tesla Megapack installations worldwide, highlighting their generated power and potential contributions to energy independence.
Tesla Mag·1 years ago
Grid·capacity addition
PG&E proposes nearly 1,600 MW of new battery energy storage capacity (details on nine projects lined up)
Pacific Gas and Electric Company (PG&E) is proposing nine new battery energy storage projects totaling about 1,600 MW, as part of its...
PG&E (developer)Pacific Gas and Electric Company (developer)
Solar Builder·4 years ago
Last updated 2026-03-26
View all articles