Valley Center 85 — Plant Summary
- EIA Plant ID
- 66500
- Capacity
- 85 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
- -13,820 MWh
- Capacity Factor
- -1.9%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Valley Center 85
OperatingBESS
Ranked #63 of 191 BESS plants in CA#347 of 837 nationally
85 MW BESS operating in San Diego, CA — California Independent System Operator
EIA
85 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Location
Coordinates
33.2272, -117.0177
County
San Diego, CA
Nearby Plants
- Valley Center 54BESS54 MW · 0.1 km
- Valley Center 1Solar2.5 MW · 1.4 km
- Valley Center 2Solar5 MW · 1.6 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 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
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
Generation
−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.
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
Industry·corporate
This utility exec is powering the data center boom
With help from Alex Nieves, Camille von Kaenel and Miranda Willson. TOP OF THE DAY. An aerial view of a 33 megawatt data center is shown.
Alex Nieves (other)Camille von Kaenel (other)
Politico·4 months ago
General
California data centers lie dormant due to lack of electricity
(Daily Caller News Foundation) – Some artificial intelligence (AI) data centers are vacant in California because the local utility cannot...
Read Lion·4 months ago
Industry·technology
Inside the AI race: can data centres ever truly be green?
In the hills of what used to be coal country in western Pennsylvania, artificial intelligence is giving new life to a decommissioned coal...
Financial Times·7 months ago
Industry·corporate
Exclusive: S.F. developer to build waterfront park with gardens, amphitheater in emerging neighborhood
Standing atop the 85-foot-tall residential building that has risen over the past year at the Power Station, developer Enrique Landa took a...
Enrique Landa (developer)
San Francisco Chronicle·10 months ago
Last updated 2026-03-26
View all 10 articles