Alta Wind Energy Center II is a wind power facility with 150 MW of EIA-reported operating capacity in Kern County, California, registered as EIA Plant ID 57291. Clearway Energy, Inc. is the public owner or developer; Alta Wind II, LLC is the registered plant entity or operator.
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
Primary generation technology.
Alta Wind II, LLC · Kern County · CAISO
Onshore Wind Turbine
Alta Wind Energy Center II is operating.
CAISO
CAISO · Kern County
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AW02 | 150 MW 150 MW summer | Onshore Wind Turbine Wind · WT | Jan 2011 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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Project milestones and public references behind the asset profile.
Terra-Gen Power acquired the Alta Wind Energy Center development platform from Allco Finance Group.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator AW02 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Alta Wind Energy Center II has a reported capacity of 150 MW. Source: EIA Form 860.
Alta Wind Energy Center II is a Onshore Wind Turbine facility in Kern County, CA, participating in the CAISO market.
Alta Wind Energy Center II is in Kern County, CA, inside the CAISO balancing area.
Alta Wind Energy Center II is operated by Alta Wind II, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Alta Wind Energy Center II reported 364.6 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, Alta Wind Energy Center II ranks #444 of 1,362 operating plants of the same technology nationally. It ranks #9 of 110 in CA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
