Peregrine Energy Storage LLC

OperatingBESS

Ranked #28 of 194 BESS plants in CA#167 of 963 nationally

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

EIA

200 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2025

Operating Since

Location

Coordinates

32.6924, -117.1366

County

San Diego, CA

Nearby Plants

CP Kelco San Diego Plant
Natural Gas29.2 MW · 0.7 km
Naval Hospital Medical Center
Natural Gas5.3 MW · 3.9 km
CA National City Terminal Ave
Solar1.1 MW · 4.6 km

Status

Latest milestoneconstruction announcementcbs19.tv · 2026-01-16

Expected COD2028cbs19.tv · 2026-01-16

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Peregrine Energy Storage, LLC	—	—
Owner(s)	Peregrine Energy Storage, LLC	—	—
Status	Operating	—	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

DeveloperPeregrine Energy Solutions±PR Newswire · 2025-10-22

CompanyArevon Energy±Solar Power World · 2025-07-28

About

Peregrine Energy Storage LLC is a 200 MW battery energy storage system (BESS) located in San Diego County, California. The plant, which began operating in 2025, has a single generator and is owned and operated by Peregrine Energy Storage, LLC. The facility utilizes batteries as its primary fuel source (MWH) and has a duration of 2 hours.

The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Peregrine Energy Storage LLC is ranked 70th out of 112 power plants in California and 290th out of 514 plants nationally.

Generated from EIA, GEM, and public data sources

EIA Plant Profile

Engineering & Generators

EPC contractorWHC Energy Services, LLCPR Newswire · 2025-12-17

Grid Context

ISO/RTO

CAISO

Market

ISO/RTO Member

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Generation

−1.5K MWh

Net Charging

-10.8K MWh

Annual Net Energy

-1.0%

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

EIA Avg CostEIA Construction Cost AveragesMEDIUM

2023

Construction CostOperating CostPricing & Revenue

$1,361/kW

Est. Construction Cost

Total estimated cost: $272.2M

Technology Average·Based on EIA averages — not plant-specific financial reports

Pricing & Market Data

HIGH confidence

Market Position

ISO/RTO Market