New Changes in DOI Approval Process for Wind & Solar Projects By Megan Caldwell & Jon Micah Goeller on July 25, 2025 Posted in Solar Energy, Wind Energy Listen to this post On July 15, the U.S. Department of the Interior (DOI) circulated an internal memorandum requiring over 68 different DOI actions related to wind and solar project development to be reviewed by DOI. We summarize and analyze that DOI memorandum here.