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138 MW Wind operating in Kern, CA — California Independent System Operator
138 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2014
Operating Since
Coordinates
35.0991, -118.2311
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 X, LLC | BHE Renewables | — |
| Owner(s) | NRG Renew | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Alta Wind X is a 138 MW wind power plant located in Kern County, California. The plant began operating in 2014 and is owned by Berkshire Hathaway, with Alta Wind X, LLC as the listed operator per EIA data. The facility consists of a single generator utilizing onshore wind turbine technology. The plant uses GE Wind GE2.85-103 turbines, which have a rotor diameter of 103 meters and a hub height of 85 meters.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year of reported data, Alta Wind X generated 379,046 MWh, achieving a capacity factor of 31.2%. Alta Wind X is ranked as the 17th largest wind farm out of 28 in California, and 559th out of 734 nationally. Financial data indicates a power purchase agreement (PPA) price of $10.89 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
16.8K MWh
Latest Month
379.0K MWh
Annual Generation
31.2%
Capacity Factor
Alta Wind X, LLC · Data from 2019–2025
$10.9/MWh
PPA Price
Market Position
ISO/RTO Market
CAISO
LMP Node
MIDWIND_6_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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ask pi about Alta Wind XCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP