Kearny South Energy Storage — Plant Summary
- EIA Plant ID
- 64614
- Capacity
- 10 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- San Diego, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- San Diego Gas & Electric Co
- Parent Company
- Sempra Energy
- Annual Generation
- -1,367 MWh
- Capacity Factor
- -1.6%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Kearny South Energy Storage
OperatingBESS
Ranked #130 of 191 BESS plants in CA#557 of 837 nationally
10 MW BESS operating in San Diego, CA — California Independent System Operator
EIAWD
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Location
Coordinates
32.8329, -117.1323
County
San Diego, CA
Nearby Plants
- Kearny North Energy StorageBESS10 MW · 0.2 km
- County of San Diego COC HybridBESS2.1 MW · 0.4 km
- EnerSmart Mesa Heights Sub StationBESS3 MW · 2.0 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
Kearny South Energy Storage is a 10 MW battery energy storage system (BESS) located in San Diego County, California. The plant began operating in 2022 and is owned by Sempra Energy, with San Diego Gas & Electric Co. (SDG&E) as the operator. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 40 MWh, providing a duration of 4 hours at its full power output. The plant's primary fuel is listed as "MWH", indicating that it draws power from the grid to charge its batteries.
Kearny South operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked 200th out of 300 power plants in California and 756th out of 1205 plants nationally. The facility consists of a single generator and has been the subject of 10 news articles, covering regulatory matters, grid operations, potential hazards, and industry news.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
12 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
−108 MWh
Net Charging
-1.4K MWh
Annual Net Energy
-1.6%
Capacity Factor
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
HIGH confidencePoint of Interconnection
Nearest Substation
Kearny Substation · 69 kV
Substation Distance
0.001 km
Operator
San Diego Gas & Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
KEARNY_6_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (10)Beta
Regulatory·ferc order
Utilities Want to Regain the Ability to Build Power Plants in PJM. Consumer Advocates Say That’s Probably a Bad Idea
Decades after deregulation, rising electricity demand from data centers is leading to a new push to change rules.
PJM (other)
Inside Climate News·7 months ago
Regulatory·permitting
N.J. is one approval away from a new power plant
A new power plant proposed for New Jersey's largest city is closer than ever to becoming a reality. JV Valladolid is worried.
JV Valladolid (other)
NJ.com·11 months ago
General
SDG&E Expands Energy Storage Capabilities to Enhance Grid Resiliency and Affordability for Customers
SAN DIEGO, March 14, 2025 /PRNewswire/ -- San Diego Gas & Electric (SDG&E) announced today the California Public Utilities Commission (CPUC)...
Sempra·1 years ago
General
California Battery Fires: Mitigating Commercial Risks in BESS Transactions
Battery energy storage systems (BESS) are an essential component of California's leading energy transition strategy, enabling the state to...
Orrick·1 years ago
Last updated 2026-03-26
View all 10 articles