Top Gun Energy Storage — Plant Summary
- EIA Plant ID
- 61366
- Capacity
- 30 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- San Diego, CA
- Operating Since
- 2021
- Generators
- 1
- Operator
- San Diego Gas & Electric Co
- Parent Company
- Sempra Energy
- Annual Generation
- -5,950 MWh
- Capacity Factor
- -2.3%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Top Gun Energy Storage
OperatingBESS
Ranked #102 of 191 BESS plants in CA#438 of 837 nationally
30 MW BESS operating in San Diego, CA — California Independent System Operator
EIAWD
30 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Location
Coordinates
32.8762, -117.1678
County
San Diego, CA
Nearby Plants
- Miramar Energy FacilityNatural Gas106 MW · 0.2 km
- AT&T - San Diego Trade StreetNatural Gas1 MW · 1.3 km
- North City - Landfill Gas Engine NorthLandfill Gas1.6 MW · 2.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | San Diego Gas & Electric Co | San Diego Gas & Electric | — |
| Owner(s) | San Diego Gas & Electric Co | Sempra Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Top Gun Energy Storage is a 30 MW battery energy storage system located in San Diego County, California. The plant began operating in 2021 and is owned by Sempra Energy, with San Diego Gas & Electric Co. (SDG&E) as the operator. The facility utilizes batteries as its primary fuel source (MWH) and employs battery energy storage system (BESS) technology. It has a total storage capacity of 120 MWh, providing a duration of 4 hours. The battery chemistry is lithium-ion (LIB).
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Top Gun Energy Storage is ranked as the 170th largest power plant in California out of 300, and nationally it is ranked 651st out of 1205.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Interconnection Queue2 projectsBeta
CUCKOO ENERGY STORAGE
WithdrawnBattery30 MWCAISO
Generation
−514 MWh
Net Charging
-6.0K MWh
Annual Net Energy
-2.3%
Capacity Factor
Jan 2023 – Dec 2025
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Miramar Gt
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
MRGT_6_NODE1Nearby ISO Node
Fenton SubstationSubstation
News & Articles (10)Beta
Regulatory·state puc
New California Fee Targets Batteries in PlayStations, Power Tools, Singing Cards
Starting Jan. 1, Californians will pay a new fee every time they buy a product such as a power tool with a non-removable battery.
GV Wire·2 months ago
Industry·other
Top Energy Storage Stocks for 2026: LDES & the Grid-Scale Boom
Last year, California was forced to throw away nearly 3.4 terawatt-hours (TWh) of clean electricity. That's enough wasted solar and wind...
Exoswan Insights·6 months ago
Grid·capacity addition
California exceeds another clean energy milestone
What you need to know: California's battery storage capacity has surged by more than 3,000 MW in the last six months alone, now exceeding...
California State Portal | CA.gov·1 years ago
Grid·capacity addition
SDG&E adds two more energy storage facilities to strengthen summer grid reliability and advance clean energy goals
In recent years, SDG&E has more than doubled its utility-owned energy storage capacity. SAN DIEGO, July 6, 2023 /PRNewswire/ -- As part of...
SDG&E (operator)
Sempra·2 years ago
Last updated 2026-03-14
View all 10 articles