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Prototype

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

Washington, Arkansas · Plant code 56328

Harry D Mattison Gas Plant

Harry D Mattison Gas Plant is a natural gas plant in Washington, Arkansas. 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 350 MW

Plant nameplate capacity.

Annual generation 278,682 MWh

Annual output from imported EIA and EPA records.

Capacity factor 6%

A simple way to compare utilization.

Operations

Operations details

Sector Electric Utility

Utility, IPP, industrial, or commercial style ownership.

Status Operating

Current operating status in the imported records.

Online year 2,007

Useful for technology-vintage context.

Location Tontitown, Arkansas

County and state routing anchor.

Emissions

Emissions details

CO2 132,853 tons

Annual plant-level total.

SO2 1 tons

Annual sulfur dioxide.

NOx 70 tons

Annual nitrogen oxides.

CO2 rate 1,500 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Natural Gas 278,682 MWh · 100% of generation

Ownership

Who owns the plant.

Owner Southwestern Electric Power Co

100%

Generators

Generator-level detail

Generator Technology Fuel Capacity Status Online
1 Natural Gas Fired Combustion Turbine Natural Gas 87 MW Standby 2,007
2 Natural Gas Fired Combustion Turbine Natural Gas 87 MW Standby 2,007
3 Natural Gas Fired Combustion Turbine Natural Gas 88 MW Standby 2,007
4 Natural Gas Fired Combustion Turbine Natural Gas 88 MW Standby 2,007

Generation trend

Monthly output pattern

27,977 MWh
Jan
0 MWh
Feb
0 MWh
Mar
18,583 MWh
Apr
15,892 MWh
May
22,217 MWh
Jun
44,409 MWh
Jul
77,697 MWh
Aug
17,949 MWh
Sep
40,638 MWh
Oct
13,321 MWh
Nov
0 MWh
Dec

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5 MW 21,539 MWh 4,711 tons CO2
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Washington, Arkansas

UA Central Utility Plant

Natural Gas

UA Central Utility Plant is a natural gas plant in Washington, Arkansas. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

6 MW 33,403 MWh 23,990 tons CO2
University Of Arkansas 10.3 mi away
Solar

Ozarks Natural Energy Community Solar is a solar plant in Washington, Arkansas. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

1 MW 935 MWh 0 tons CO2
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Solar

Westside Wastewater Treatment Plant Hybr is a solar plant in Washington, Arkansas. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

11 MW 8,406 MWh 0 tons CO2
Today's Power, Inc. 12.8 mi away

Related routes

Context around this plant

State page

Arkansas

Back out to the wider state fuel mix.

111 plants

Fuel page

Natural Gas plants

Compare this site to plants using the same primary fuel.

2,534 plants