Valley Center 54 — Plant Summary
- EIA Plant ID
- 66502
- Capacity
- 54 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- San Diego, CA
- Operating Since
- 2021
- Generators
- 1
- Operator
- Terra-Gen Operating Co-BESS 2
- Parent Company
- —
- Annual Generation
- -8,473 MWh
- Capacity Factor
- -1.8%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Valley Center 54
OperatingBESS
Ranked #86 of 191 BESS plants in CA#394 of 837 nationally
54 MW BESS operating in San Diego, CA — California Independent System Operator
EIA
54 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Location
Coordinates
33.2271, -117.0189
County
San Diego, CA
Nearby Plants
- Valley Center 85BESS85 MW · 0.1 km
- Valley Center 1Solar2.5 MW · 1.5 km
- Valley Center 2Solar5 MW · 1.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Terra-Gen Operating Co-BESS 2 | — | — |
| Owner(s) | Terra-Gen Operating Co-BESS 2 | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Valley Center 54 is a 54 MW battery energy storage system (BESS) located in San Diego County, California. The plant began operating in 2021 and is owned and operated by Terra-Gen Operating Co-BESS 2. It is connected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region. The facility consists of a single generator utilizing battery technology with a total storage capacity of 216 MWh, providing a duration of 4 hours. The battery chemistry is lithium-ion (LIB).
Valley Center 54 is ranked as the 153rd largest power plant in California out of 300, and 598th nationally out of 1205. The plant's primary fuel is electricity (MWH), indicating that it charges from the grid.
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
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
SUFFOLK STORAGE
WithdrawnBattery51 MWCAISO
Generation
−970 MWh
Net Charging
-8.5K MWh
Annual Net Energy
-1.8%
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 confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
VLYCGEN_7_VCEBT2N
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (10)Beta
General
Largest Solar Farm In US Coming To Central Valley In California
In California's Central Valley, a plan is being put forth to turn unused farmland into the largest solar installation in the US.
CleanTechnica·2 weeks ago
Industry·project
Largest Solar Farm In US Coming To Central Valley In California
In California's Central Valley, a plan is being put forth to turn unused farmland into the largest solar installation in the US.
CleanTechnica·2 weeks ago
General
Happening Now – March 2026
Happening Now brings you community news, updates and announcements throughout the day. Send your photos and updates to 530-478-9600.
YubaNet·3 weeks ago
Industry·technology
Silicon Valley is building a shadow power grid for data centers across the U.S.
Tech companies are building data centers with their own private power plants, a risky bet that will increase carbon emissions and other...
The Washington Post·3 weeks ago
Last updated 2026-03-14
View all 10 articles