Wholesale services

Our focus is serving municipal utilities, cooperatives and investor-owned utilities in Wisconsin and Upper Michigan, using our diverse portfolio of generating facilities in Wisconsin and Michigan. We are a member of the Midcontinent Independent Transmission System Operator.


We supply energy, capacity and ancillary service under these FERC-approved tariffs:
Market Rate Power Sales Tariff
Coordination Sales Tariff
Formula Rate Sales Tariff
Tariff for Sales of Ancillary Services

Transmission service

Contact American Transmission Company to arrange service.

Transmission service

We purchase renewable energy and renewable energy attributes to meet Wisconsin's Renewable Portfolio Standard. Any RFPs released for renewable energy are here:
2014 requests for proposals
2013 requests for proposals
2012 requests for proposals
2010 requests for proposals