Ridgetop — Plant Summary
- EIA Plant ID
- 54931
- Capacity
- 46.8 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Kern, CA
- Operating Since
- 1994
- Generators
- 1
- Operator
- Terra-Gen Operating Co-Wind
- Parent Company
- —
- Annual Generation
- 145,880 MWh
- Capacity Factor
- 35.4%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Ridgetop
OperatingWind
Ranked #50 of 116 Wind plants in CA#964 of 1442 nationally
46.8 MW Wind operating in Kern, CA — California Independent System Operator
EIAGEMWD
46.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
1994
Operating Since
Location
Coordinates
35.0740, -118.3153
County
Kern, CA
Nearby Plants
- Cameron Ridge LLCWind59.6 MW · 0.1 km
- Ridgetop Energy LLCWind29 MW · 0.5 km
- Coram Energy LLC (4.5MW)Wind4.6 MW · 1.9 km
Ownership & Operator
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 | Terra-Gen Operating Co-Wind | Terra-Gen | — |
| Owner(s) | Ridgetop Energy LLC II | Terra-Gen [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Terra-Gen [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Ridgetop wind power plant is located in Kern County, California. The plant has a total capacity of 46.8 MW and began operating in 1994. It utilizes onshore wind turbine technology and is owned and operated by Terra-Gen Operating Co-Wind. Ridgetop is connected to the California Independent System Operator (CAISO) balancing authority and is within the Western Electricity Coordinating Council (WECC) NERC region.
Ridgetop's latest annual generation was 145,880 MWh, resulting in a capacity factor of 35.4%. The plant is ranked 50th out of 116 wind plants in California and 954th out of 1424 wind plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
66.6 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
9.8K MWh
Latest Month
145.9K MWh
Annual Generation
35.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
CORAMA_7_N003
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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OP-ED: Wiyot Tribe Urges People to Cast a Wary Eye on Ridgetop Wind Power Project, Submit Comments on its Environmental Impact Report
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Last updated 2026-03-14
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