Alta Wind Energy Center II — Plant Summary
- EIA Plant ID
- 57291
- Capacity
- 150 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Kern, CA
- Operating Since
- 2011
- Generators
- 1
- Operator
- Alta Wind II, LLC
- Parent Company
- —
- Annual Generation
- 364,602 MWh
- Capacity Factor
- 27.6%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Alta Wind Energy Center II
OperatingWind
Ranked #12 of 116 Wind plants in CA#516 of 1442 nationally
150 MW Wind operating in Kern, CA — California Independent System Operator
EIAGEMWD
150 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2011
Operating Since
Location
Coordinates
42.2346, -93.3886
County
Kern, CA
Nearby Plants
- Garden Wind LLCWind150 MW · 1.7 km
- Alta Wind Energy Center IWind150 MW · 17.2 km
- FPL Energy Story Wind LLCWind150 MW · 17.4 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 | Alta Wind II, LLC | Longroad Energy | — |
| Owner(s) | NRG Renew | Everpower | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Everpower
This entity is not yet in the GEM ownership database — chain unavailable.
About
Alta Wind Energy Center II is a 150 MW wind power plant located in Kern County, California. The facility, which began operating in 2011, is owned and operated by Alta Wind II, LLC. It utilizes a single generator consisting of onshore wind turbine technology. The plant is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The facility's wind turbines have a hub height of 80 meters and a rotor diameter of 90 meters. The turbines were manufactured by Vestas, and the model is V90-3.0. In its most recent year of operation, the plant generated 364,602 MWh, achieving a capacity factor of 27.6%. Alta Wind Energy Center II ranks as the 9th largest wind farm out of 28 in California, and 519th out of 734 nationally. The plant has a reported power purchase agreement (PPA) price of $11.73 per MWh, according to FERC data.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
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
Generation
17.7K MWh
Latest Month
364.6K MWh
Annual Generation
27.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$11.7/MWh
PPA Price
Alta Wind II, LLC
Contract Seller
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket 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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