Solar on Lake Superior (IMAGE) Michigan Technological University Caption Despite long winters and low solar production, Michigan's Upper Peninsula has one of the nation's best returns on solar investments. Credit Drew Cramer, Solar Up Usage Restrictions please credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.