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17.1 MW Natural Gas Fired Combined Cycle (9 MW) + Natural Gas Fired Combustion Turbine (8 MW) operating in Maricopa, AZ — Arizona Public Service Company
17.1 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
2006
Operating Since
Coordinates
33.4172, -111.9283
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Energy Center Phoenix LLC | — | — |
| Owner(s) | Energy Center Phoenix LLC | — | — |
| Status | Operating | — | — |
The Arizona State University CHP plant, located in Maricopa County, Arizona, has a total capacity of 17.1 MW. The plant began operating in 2006 and is owned and operated by Energy Center Phoenix LLC. It utilizes natural gas as its primary fuel source and employs both natural gas-fired combined cycle and natural gas-fired combustion turbine technologies. The facility is considered a hybrid plant due to its combined cycle and combustion turbine configuration, and consists of 2 generators.
The plant operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year of data, the plant generated 39,963 MWh, achieving a capacity factor of 26.6%. The Arizona State University CHP plant is ranked as the 29th largest power plant in Arizona out of 31, and 1346th nationally out of 1963 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
Arizona Public Service Company (AZPS)
Grid Voltage
12.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
State
Sector
Commercial CHP
3.0K MWh
Latest Month
40.0K MWh
Annual Generation
26.6%
Capacity Factor
CO₂ Intensity
622 lb/MWh
NOx
2 lb/MWh
SO₂
0.017 lb/MWh
CH₄
0.012 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
27.6%
Annual Net Gen
41 GWh
CO₂eq
622 lb/MWh
Subregion
WECC Southwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $16.5M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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