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691.6 MW Natural Gas operating in Maricopa, AZ — Salt River Project
691.6 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
33.3450, -112.8642
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mesquite Power LLC | Mesquite Power | — |
| Owner(s) | Mesquite Power LLC | Onward Energy Holdings | — |
| Status | Operating | — | — |
Mesquite Generating Station Block 2 is a 691.6 MW natural gas-fired combined cycle power plant located in Maricopa County, Arizona. The plant began operating in 2003 and consists of 3 generators. It is owned by Onward Energy Holdings and operated by Mesquite Power LLC. The plant is located within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Mesquite Generating Station Block 2 produced 3,951,425 MWh of electricity, achieving a capacity factor of 65.1%. The plant ranks as the 14th largest in Arizona out of 26 plants, and 321st nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Salt River Project (SRP)
Grid Voltage
500.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
340.7K MWh
Latest Month
4.0M MWh
Annual Generation
65.1%
Capacity Factor
CO₂ Intensity
870 lb/MWh
NOx
0.063 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.009 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
62.8%
Annual Net Gen
7613 GWh
CO₂eq
871 lb/MWh
Subregion
WECC Southwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $667.5M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
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