Clairemont Energy Storage

OperatingBESS

Ranked #124 of 191 BESS plants in CA#539 of 837 nationally

10 MW BESS operating in San Diego, CA — California Independent System Operator

EIA

10 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2024

Operating Since

Location

Coordinates

32.8256, -117.1832

County

San Diego, CA

Nearby Plants

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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

Clairemont Energy Storage is a 10 MW battery energy storage system located in San Diego County, California. The plant began operating in 2024 and has one generator. It is owned by Sempra Energy and operated by San Diego Gas & Electric Co (SDG&E), a subsidiary of Sempra. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 10 MWh, providing a duration of 1 hour. The plant's primary fuel is listed as 'MWH', indicating that it draws power from the grid to charge its batteries.

Clairemont Energy Storage operates within the California Independent System Operator (CAISO) balancing authority, part of the Western Electricity Coordinating Council (WECC) NERC region. It ranks as the 199th largest power plant in California out of 300, and 758th nationally out of 1205. The plant's technology is classified as Batteries (BESS).

Generated from EIA, GEM, and public data sources

EIA Plant Profile

Engineering & Generators

Grid Context

NERC Region

WECC

Balancing Authority

California Independent System Operator

Grid Voltage

12 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

−90 MWh

Net Charging

-1.1K MWh

Annual Net Energy

-1.3%

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 confidence

Point of Interconnection

Nearest Substation

Clairemont Substation · 69 kV

Substation Distance

0.007 km

Operator

San Diego Gas & Electric

Coord Source

OSM spatial

Market Position

ISO/RTO Market

CAISO

LMP Node

CLRMNT_6_N001

Pricing Hub

TH_SP15_GEN-APND

Location Type

Pricing Node

Node Source

Curated node match

News & Articles (10)Beta

Regulatory·federal policy

Exclusive | New Yorkers fighting against massive battery storage plants find new ally in EPA chief Lee Zeldin

Environmental Protection Administrator Lee Zeldin will be holding a press conference in Hauppauge Monday to discuss environmental safety...

Lee Zeldin (regulator)EPA (regulator)

New York Post·7 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

Deals·ppa

Crusoe, Kalina partner to develop natural gas powered AI data centers in Alberta, Canada

Crusoe will develop, own, and operate the data centers and purchase power from three KDP-owned 170MW gas-fired power plants through Power Purchase Agreements (...

Crusoe (buyer)Kalina (seller)

DatacenterDynamics·1 years ago