150 MW Wind operating in Kern, CA — California Independent System Operator
150 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2011
Operating Since
Coordinates
35.0239, -118.2953
County
Kern, 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 | Alta Wind III, LLC | Longroad Energy | — |
| Owner(s) | NRG Renew | Everpower | — |
| Status | Operating | operating | — |
GEM identifies the owner as Everpower
This entity is not yet in the GEM ownership database — chain unavailable.
Alta Wind Energy Center III is a 150 MW wind power plant located in Kern County, California. The plant began operating in 2011 and is owned and operated by Alta Wind III, LLC. It utilizes a single onshore wind turbine generator. The facility is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's primary fuel source is wind (WND). The wind turbine has a hub height of 80 meters and a rotor diameter of 90 meters. The turbine was manufactured by Vestas and is model V90-3.0. In its most recent year of operation, the plant generated 363,214 MWh, achieving a capacity factor of 27.5%. The plant has a power purchase agreement (PPA) price of $11.73 per MWh. Alta Wind Energy Center III ranks as the 15th largest wind farm out of 28 in California, and 503rd out of 734 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
220 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
18.7K MWh
Latest Month
363.2K MWh
Annual Generation
27.5%
Capacity Factor
$11.7/MWh
PPA Price
Alta Wind III, LLC
Contract Seller
Per-Unit Cost Trends
Market Position
ISO/RTO Market
CAISO
LMP Node
TOT162W3_6_GN001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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Last updated 2026-03-26
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