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Current build. Uses imported EIA-860, EIA-923, and EPA eGRID data when available, with a small seeded fallback for local development.

Maricopa, Arizona · Plant code 55372

Harquahala Generating Project

Harquahala Generating Project is a natural gas plant in Maricopa, Arizona. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

Primary fuel Natural Gas

Route-friendly label and badge.

Total capacity 1,278 MW

Plant nameplate capacity.

Annual generation 3,343,384 MWh

Annual output from imported EIA and EPA records.

Capacity factor 21%

A simple way to compare utilization.

Operations

Operations details

Sector IPP Non-CHP

Utility, IPP, industrial, or commercial style ownership.

Status Operating

Current operating status in the imported records.

Online year 2,004

Useful for technology-vintage context.

Location Tonopah, Arizona

County and state routing anchor.

Emissions

Emissions details

CO2 968,559 tons

Annual plant-level total.

SO2 5 tons

Annual sulfur dioxide.

NOx 79 tons

Annual nitrogen oxides.

CO2 rate 833 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Natural Gas 3,343,384 MWh · 100% of generation

Ownership

Who owns the plant.

Owner BlackRock Inc.

50%

Owner Capital Power Corporation

50%

Generators

Generator-level detail

Generator Technology Fuel Capacity Status Online
CTG1 Natural Gas Fired Combined Cycle Natural Gas 282 MW Operating 2,004
CTG2 Natural Gas Fired Combined Cycle Natural Gas 282 MW Operating 2,004
CTG3 Natural Gas Fired Combined Cycle Natural Gas 282 MW Operating 2,004
STG1 Natural Gas Fired Combined Cycle Natural Gas 144 MW Operating 2,004
STG2 Natural Gas Fired Combined Cycle Natural Gas 144 MW Operating 2,004
STG3 Natural Gas Fired Combined Cycle Natural Gas 144 MW Operating 2,004

Generation trend

Monthly output pattern

0 MWh
Jan
0 MWh
Feb
0 MWh
Mar
0 MWh
Apr
192,214 MWh
May
480,170 MWh
Jun
586,369 MWh
Jul
572,296 MWh
Aug
576,359 MWh
Sep
489,645 MWh
Oct
51,942 MWh
Nov
394,389 MWh
Dec

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Related routes

Context around this plant

County page

Maricopa overview

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64 plants

State page

Arizona

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171 plants

Fuel page

Natural Gas plants

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