AltaGas Ltd · Riverside County · CAISO
Blythe Energy Inc is a natural gas-fired power facility with 591 MW of EIA-reported nameplate capacity in Riverside County, California, registered as EIA Plant ID 55295. AltaGas Power Holdings (U.S.) Inc. is the current owner; AltaGas Blythe Operations Inc is the registered plant entity or operator. AltaGas Power Holdings Inc. Commercial operation began on July 15, 2003.
Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
AltaGas Blythe Operations Inc · Riverside County · CAISO
Blythe Energy Inc is operating.
230 kV · Blythe Energy Center for the 67-mile transmission line; Western owns the Buck Boulevard Substation
Best-supported operating milestone.
Natural Gas Fired Combined Cycle
Blythe Energy Inc is operating.
230 kV · Blythe Energy Center for the 67-mile transmission line; Western owns the Buck Boulevard Substation
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CT1 | 182 MW 156.5 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Dec 2003 | Operating |
| CT2 | 182 MW 156.5 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Dec 2003 | Operating |
| ST1 | 227 MW 201 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Dec 2003 | 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.
The California Energy Commission certified the Blythe Energy Project under docket 99-AFC-08.
CAISO
CAISO · Riverside County
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.
NextEra Energy Resources developed, constructed, and placed the Blythe Energy Center into service.
The California Energy Commission records the start of commercial operation.
EIA-860 lists generator CT1, generator CT2, generator ST1 with this operating date.
The CEC approved a post-certification amendment for a 67-mile, 230-kV generation intertie allowing delivery of the project's full output to the CAISO-controlled transmission system.
Southern California Edison signed 10-year PPA on February 15, 2007 with Blythe Energy LLC for up to 490 MW baseload capacity and associated energy. CPUC-approved delivery period August 1, 2010 through July 31, 2020.
The 67-mile generation intertie began operating.
AltaGas Power Holdings (U.S.) Inc. entered into an agreement to acquire Blythe Energy LLC from affiliates of LS Power Equity Advisors for US$515 million.
AltaGas Power Holdings (U.S.) Inc. acquired Blythe Energy LLC from LS Power Equity Advisors LLC for $515 million. The acquisition included the 507 MW combined-cycle plant, major spare parts, and 230 kV 67-mile transmission line.
The CEC approved transfer of operational control from NextEra Energy Operating Services LLC to AltaGas Blythe Operations Inc.
The CEC approved turndown upgrades involving minor gas-turbine hardware and software changes.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Blythe Energy Inc has a reported capacity of 591 MW. Source: EIA Form 860.
Blythe Energy Inc is a Natural Gas Fired Combined Cycle facility in Riverside County, CA, participating in the CAISO market.
Blythe Energy Inc is in Riverside County, CA, inside the CAISO balancing area.
Blythe Energy Inc is operated by AltaGas Blythe Operations Inc according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Blythe Energy Inc reported 332.9 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
Blythe Energy Inc interconnects at Buck Boulevard Substation, on the Blythe Energy Center for the 67-mile transmission line; Western owns the Buck Boulevard Substation system.
By capacity, Blythe Energy Inc ranks #259 of 538 operating plants of the same technology nationally. It ranks #20 of 64 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.
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