Midway Sunset Cogen is a natural gas-fired power facility with 234 MW of EIA-reported nameplate capacity in Kern County, California, registered as EIA Plant ID 52169. Midway-Sunset Cogeneration Co is the registered plant entity or operator. Commercial operation began on May 1, 1989.
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
Midway-Sunset Cogeneration Co · Kern County · CAISO
Midway Sunset Cogen is operating.
Best-supported operating milestone.
Natural Gas Fired Combustion Turbine
Midway Sunset Cogen is operating.
CAISO
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| A | 78 MW 73 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | May 1989 | Operating |
| B | 78 MW 73 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | May 1989 | Operating |
| C | 78 MW 73 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | May 1989 | 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 CEC certified the Midway Sunset Cogeneration project as a 225 MW cogeneration facility.
CAISO · Kern 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.
EIA-860 lists generator A, generator B, generator C with this operating date.
The facility began commercial operation and supplied steam for enhanced oil recovery operations.
The CEC approved the transfer of 49% of Midway Sunset Cogeneration Company from Oryx Energy to Atlantic Richfield Company.
The CEC approved upgrading the existing DLN9 systems on Units A and B to DLN1+ Turndown Enhance systems.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Midway Sunset Cogen has a reported capacity of 234 MW. Source: EIA Form 860.
Midway Sunset Cogen is a Natural Gas Fired Combustion Turbine facility in Kern County, CA, participating in the CAISO market.
Midway Sunset Cogen is in Kern County, CA, inside the CAISO balancing area.
Midway Sunset Cogen is operated by Midway-Sunset Cogeneration Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Midway Sunset Cogen reported 6 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
By capacity, Midway Sunset Cogen ranks #228 of 825 operating plants of the same technology nationally. It ranks #12 of 136 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.
