Griffith Energy LLC reports 655 MW natural gas in CAISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 55124 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | Operating | 176.6 | Unknown |
| CTG2 | Natural Gas Fired Combined Cycle | Operating | 176.6 | Unknown |
| STG | Natural Gas Fired Combined Cycle | Operating | 301.8 | Unknown |
Mapped infrastructure geometry associated with this asset.
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CTG1 | 176.6 MW 147 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Jan 2002 | Operating |
| CTG2 | 176.6 MW 147 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Jan 2002 | Operating |
| STG | 301.8 MW 276 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Jan 2002 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
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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Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Project milestones and public references behind the asset profile.
EIA-860 lists generator CTG1, generator CTG2, generator STG with this operating date.
Purchased the remaining 50 percent from PPL Corporation for about $115 million.
Seller Star West Generation, an Oaktree portfolio company.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Griffith Energy reports 655 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Griffith Energy is a Natural Gas Fired Combined Cycle facility in Mohave County, AZ, participating in the CAISO market.
Griffith Energy is in Mohave County, AZ, inside the CAISO balancing area.
Griffith Energy is operated by Griffith Energy LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Griffith Energy reported 3,863.5 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Griffith Energy ranks #206 of 540 operating plants of the same technology nationally. It ranks #9 of 19 in AZ.
