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Preliminary 2025 facility recordOperating

Byron, IL · EIA plant 6023

Byron Generating Station

Byron Generating Station is a nuclear power facility in Byron, IL, with 2,450 MW of operating capacity.

Open on mapView IL profileOpen EIA source
Operating capacity2,450 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityConstellation NuclearEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Nuclear2,450 MW
ProposedNo proposed capacity reported
Reported technologiesNuclear

Nearby in IL

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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