West Phoenix

OperatingNatural GasHybrid

Ranked #3 of 33 Natural Gas plants in AZ#108 of 2009 nationally

1207.4 MW Natural Gas Fired Combined Cycle (1101 MW) + Natural Gas Fired Combustion Turbine (106 MW) operating in Maricopa, AZ — Arizona Public Service Company

EIAWD

1,207.4 MW

Nameplate Capacity

10

Generators

units

Hybrid (2)

Technology

Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine

1972

Operating Since

Location

Coordinates

33.4417, -112.1583

County

Maricopa, AZ

Nearby Plants

TJX Phoenix
Solar2.9 MW · 3.2 km
T0588 Phoenix - AZ
Solar1.2 MW · 5.3 km
Phoenix Airport Rental Car Center
Solar1.6 MW · 10.6 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Arizona Public Service Co	Arizona Public Service	—
Owner(s)	Arizona Public Service Co	Pinnacle West Capital	—
Status	Operating	—	—

Ownership Chain

About

The West Phoenix plant is a 1207.4 MW natural gas-fired power plant located in Maricopa County, Arizona. It began operating in 1972 and consists of 10 generators utilizing both natural gas-fired combined cycle and natural gas-fired combustion turbine technologies. The plant is owned by Pinnacle West Capital and operated by Arizona Public Service Company (APS). It is considered a hybrid plant.

West Phoenix operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant's latest annual generation was 4,277,340 MWh, achieving a capacity factor of 40.4%. West Phoenix ranks as the 3rd largest power plant out of 26 in Arizona, and 113th out of 945 nationally.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators

Grid Context

NERC Region

WECC

Balancing Authority

Arizona Public Service Company

Grid Voltage

230 kV

Regulatory Status

RE

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

373.6K MWh

Latest Month

4.3M MWh

Annual Generation

40.4%

Capacity Factor

Jan 2023 – Dec 2025

Financial Data

No financial data available for this plant.

Pricing & Market Data

This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.

News & Articles (10)Beta

Regulatory·permitting

APS seeks license extension for Palo Verde Nuclear Plant

Arizona Public Service (APS) plans to renew operating licenses for all three units at Palo Verde Generating Station, extending operations to the mid-2060s, ensuring continued energy supply.

APS (operator)

Power Engineering·1 weeks ago