CleanTech Energy News Science Solar Decathlon Design Challenge Teams Advance As Finalists March 9, 2022 admin clean power, community solar, national renewable energy laboratory (nrel), research, rooftop solar, solar decathlon, Solar energy, us department of energy (doe)Credit to Author: U.S. Department of Energy| Date: Wed, 09 Mar 2022 04:01:22 +0000https://cleantechnica.com/feed/