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655 MW Natural Gas operating in Mohave, AZ
655 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
35.0540, -114.1333
County
Mohave, AZ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Griffith Energy LLC | Griffith Energy | — |
| Owner(s) | Griffith Energy LLC | ArcLight Capital Holdings | — |
| Status | Operating | — | — |
Griffith Energy LLC is a 655 MW natural gas-fired combined cycle power plant located in Mohave County, Arizona. The plant began operating in 2002 and consists of three generators. It is owned by ArcLight Capital Holdings and operated by Griffith Energy LLC. The plant is within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Griffith Energy, LLC.
In the most recent year of data, Griffith Energy LLC generated 3,781,278 MWh of electricity, achieving a capacity factor of 66.0%. The plant is ranked as the 15th largest in Arizona out of 26 plants, and 354th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Griffith Energy, LLC (GRIF)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
382.9K MWh
Latest Month
3.8M MWh
Annual Generation
66.0%
Capacity Factor
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CO₂ Intensity
861 lb/MWh
NOx
0.065 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
64.0%
Annual Net Gen
3671 GWh
CO₂eq
862 lb/MWh
Subregion
WECC Southwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $632.2M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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