Preliminary 2025 facility recordOperating

Mankato, MN · EIA plant 1934

Wilmarth

Wilmarth is a biomass power facility in Mankato, MN, with 25 MW of operating capacity.

Operating capacity25 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
Biomass25 MW
ProposedNo proposed capacity reported
Reported technologiesMunicipal Solid Waste

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