O’Brien Solar Fields, Dane County’s largest solar farm to date, is a 20-megawatt solar array in Fitchburg, covering the former O’Brien Dairy Farm with 60,000 solar panels. The project, developed by EDF Renewables and owned and operated by Madison Gas and Electric (MGE), supplies locally generated solar energy to local businesses, municipalities, and public institutions under MGE’s innovative Renewable Energy Rider (RER). Partners on this project include the City of Fitchburg, Placon, Promega Corporation, Tribe 9 Foods, University of Wisconsin-Madison, Willy Street Co-op, and the Wisconsin Department of Administration.