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Preliminary 2025 facility recordOperating

Marion, IL · EIA plant 976

Marion

Marion is a oil & gas power facility in Marion, IL, with 249 MW of operating capacity.

Open on mapView IL profileOpen EIA source
Operating capacity249 MW5 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySouthern Illinois Power CoopEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas150 MW
Coal99 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Steam CoalNatural Gas Fired Combustion Turbine

Nearby in IL

Related facilities

IL · 9.4 miSV CSG Barrass Farms II LL2 MW →IL · 10.0 miSpillertown CSG 1 LLC5 MW →IL · 10.2 miSV CSG Gander Farms 1 A2 MW →IL · 10.7 miSpillertown CSG 2 LLC5 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source