Solar-Hybrid Energy System (IMAGE) Michigan Technological University Caption Recent advances in cogeneration, battery storage and solar have made going off-grid more economically viable for Upper Peninsula residents. Credit Ian Repp, Michigan Tech 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.