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Preliminary 2025 facility recordOperating

Welch, MN · EIA plant 1925

Prairie Island

Prairie Island is a nuclear power facility in Welch, MN, with 1,186 MW of operating capacity.

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Operating capacity1,186 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityNorthern States Power Co - MinnesotaEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Nuclear1,186 MW
ProposedNo proposed capacity reported
Reported technologiesNuclear

Nearby in MN

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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