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138 MW Batteries (100 MW) + Onshore Wind Turbine (38 MW) operating in Contra Costa, CA — California Independent System Operator
138 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Onshore Wind Turbine
2006
Operating Since
Coordinates
37.8050, -121.6672
County
Contra Costa, CA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Leeward Asset Management, LLC | Deutsche Windtechnik | — |
| Owner(s) | Leeward Asset Management, LLC | Leeward Energy [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as Leeward Energy [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
Buena Vista Energy LLC, located in Contra Costa County, California, is a hybrid power plant with a total capacity of 138 MW. The plant, which began operating in 2006, is owned and operated by Leeward Asset Management, LLC. It utilizes a combination of battery storage and onshore wind turbine technologies, with MWH listed as the primary fuel type. The facility consists of two generators.
The wind component of the hybrid plant uses Mitsubishi MWT62/1.0 wind turbines, with a rotor diameter of 61.4 meters and a hub height of 55 meters. In the latest year of reported generation data, the plant produced 89,644 MWh, achieving a capacity factor of 7.4%. Buena Vista Energy LLC ranks 88th out of 112 power plants in California and 413th out of 514 nationally. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
1.9K MWh
Net Discharge
89.6K MWh
Annual Net Energy
7.4%
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
WNDMSTR_2_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match