85 MW BESS operating in San Diego, CA — California Independent System Operator
85 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
33.2272, -117.0177
County
San Diego, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Terra-Gen Operating Co-BESS 2 | — | — |
| Owner(s) | Terra-Gen Operating Co-BESS 2 | — | — |
| Status | Operating | — | — |
Valley Center 85 is a battery energy storage system (BESS) located in San Diego County, California. The plant has a total capacity of 85 MW and is owned and operated by Terra-Gen Operating Co-BESS 2. Valley Center 85 began operating in 2021 and consists of one generator utilizing lithium-ion batteries (LIB). The facility is connected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's battery storage capacity is 212 MWh, providing a duration of approximately 2.49 hours at full output. Valley Center 85 is ranked as the 122nd largest power plant in California out of 300, and 530th nationally out of 1205. The plant has been mentioned in 10 news articles, with coverage focusing on industry trends, regulatory matters, and potential hazards.
Generated from EIA, GEM, and public data sources
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
−1.2K MWh
Net Charging
-13.8K MWh
Annual Net Energy
-1.9%
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.
No financial data available for this plant.
Market 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
Last updated 2026-03-26
View all 10 articles