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 can supply energy, capacity and ancillary service under the following FERC-approved tariffs:
Market Rate Power Sales Tariff (PDF 13k)
Coordination Sales Tariff (PDF 838k)
Formula Rate Sales Tariff (PDF 1789k)
Tariff for Sales of Ancillary Services (PDF 1189k)

Transmission service

We divested our transmission assets to American Transmission Company (ATC) in 2000. Contact ATC directly to arrange service.

Renewable energy

We purchase renewable energy and renewable energy attributes to meet Wisconsin's Renewable Portfolio Standard. Any RFPs released for renewable energy will be available below.
2014 requests for proposals (PDF)
2013 requests for proposals (PDF)
2012 requests for proposals (PDF)
2010 requests for proposals (PDF)

Contact us

Contact us for more information on meeting your energy needs. We will work with you to develop solutions.

Wholesale energy
marketing representatives

Chuck Milliken 414-221-3565
Jim Sherman 414-221-2473
Don Splinter 414-221-4650
Aaron Cassidy 414-221-4768