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46.8 MW Wind operating in Kern, CA — California Independent System Operator
46.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
1994
Operating Since
Coordinates
35.0740, -118.3153
County
Kern, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Terra-Gen Operating Co-Wind | Terra-Gen | — |
| Owner(s) | Ridgetop Energy LLC II | Terra-Gen | — |
| Status | Operating | operating | — |
GEM identifies the owner as Terra-Gen
This entity is not yet in the GEM ownership database — chain unavailable.
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
9.8K MWh
Latest Month
145.9K MWh
Annual Generation
35.4%
Capacity Factor
2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $88.7M
Market 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
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about RidgetopCalifornia Independent System Operator (CISO)
Grid Voltage
66.6 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP