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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.

Williamson, Illinois · Plant code 976

Marion

Marion is a col plant in Williamson, Illinois. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

Primary fuel Col

Route-friendly label and badge.

Total capacity 249 MW

Plant nameplate capacity.

Annual generation 746,246 MWh

Annual output from imported EIA and EPA records.

Capacity factor 33%

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 1,963

Useful for technology-vintage context.

Location Marion, Illinois

County and state routing anchor.

Emissions

Emissions details

CO2 1,145,739 tons

Annual plant-level total.

SO2 2,346 tons

Annual sulfur dioxide.

NOx 426 tons

Annual nitrogen oxides.

CO2 rate 3,232 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Col 632,080 MWh · 85% of generation
Natural Gas 113,472 MWh · 15% of generation
Oil 694 MWh · 0% of generation
Coal 0 MWh · 0% of generation

Ownership

Who owns the plant.

Owner Southern Illinois Power Coop

100%

Generators

Generator-level detail

Generator Technology Fuel Capacity Status Online
1 Conventional Steam Coal Coal 33 MW Operating 1,963
2 Conventional Steam Coal Coal 33 MW Operating 1,963
3 Conventional Steam Coal Coal 33 MW Operating 1,963
4 Conventional Steam Coal Coal 173 MW Retired or canceled 1,978
5 Natural Gas Fired Combustion Turbine Natural Gas 75 MW Standby 2,003
6 Natural Gas Fired Combustion Turbine Natural Gas 75 MW Standby 2,003

Generation trend

Monthly output pattern

74,370 MWh
Jan
61,793 MWh
Feb
58,821 MWh
Mar
34,645 MWh
Apr
65,273 MWh
May
53,949 MWh
Jun
84,332 MWh
Jul
80,000 MWh
Aug
73,468 MWh
Sep
34,026 MWh
Oct
53,538 MWh
Nov
72,031 MWh
Dec

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Hurricane Creek CSG

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Related routes

Context around this plant

State page

Illinois

Back out to the wider state fuel mix.

404 plants

Fuel page

Col plants

Compare this site to plants using the same primary fuel.

398 plants