Search plants, projects, owners, and states
200 MW BESS operating in San Diego, CA — California Independent System Operator
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
32.6924, -117.1366
County
San Diego, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Peregrine Energy Storage, LLC | — | — |
| Owner(s) | Peregrine Energy Storage, LLC | — | — |
| Status | Operating | — | — |
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
−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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $272.2M
Market Position
ISO/RTO Market
CAISO
LMP Node
SAMPSON_6_N010
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-04-19
View all 10 articlesNo ask pi reports yet for this entity.
ask pi about Peregrine Energy Storage LLCCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP