Preliminary 2025 facility recordOperating

Oak Creek, WI · EIA plant 55525

MMSD South Shore Wastewater

MMSD South Shore Wastewater is a biomass power facility in Oak Creek, WI, with 5 MW of operating capacity.

Operating capacity5 MW5 operating generators
Proposed capacity0 MW0 proposed generators
UtilityMilwaukee Metro Sewerage DistEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Biomass5 MW
ProposedNo proposed capacity reported
Reported technologiesOther Waste Biomass

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