Madison Gas & Electric (MGE) ~ O'Brien Solar Field

Fitchburg, Wisconsin

The O’Brien Solar Field is a 20 MW solar photovoltaic array consisting of roughly 50,000 Canadian Solar CS3W-400PB-AG, 390-410Wp, 72-cell bi-facial solar photovoltaic modules on racking with Soltec SF7 single-axis bi-facial trackers. All modules, racking, and tracker equipment was provided by the Owner.

Completed ahead of schedule, this installation is the largest solar energy system in Dane County, Wisconsin.

Learn more about our work in the Renewable Energy market.


EDF Renewables

Boldt Role


Key Points

  • All labor, equipment and support materials needed to perform the scope of work
  • Safety plan and safety materials and equipment
  • Compliance with EDF-DS COVID-19 preparedness, response, and recovery planning requirements
  • Support of EDFR’s efforts with local government officials, other EDFR contractors, and the interconnecting utility, Madison Gas and Electric Company, along with EDFR’s engineer.   
  • Logistics management including coordination of shipment schedule; materials handling, storage, and off-site disposal of packaging
  • Receiving, inspection, and inventory of racking, trackers, and PV modules and notifying of any discrepancies
  • Installation of the racking, trackers, and setting of PV modules