This notice advises the public that the Bureau of Indian Affairs (BIA), as the lead Federal agency, with the Bureau of Land Management (BLM), the Environmental Protection Agency (EPA), U.S. Fish and Wildlife Service (USFWS), and the Moapa Band of Paiute Indians (Moapa Band) as cooperating agencies, intends to file a draft supplemental environmental impact statement (DSEIS) with the EPA for the proposed Arrow Canyon Solar Project (ACSP or Project). The DSEIS evaluates the expansion of the previously approved Moapa Solar Energy Center (MSEC) Project on the Moapa River Indian Reservation (Reservation) in Clark County, Nevada. This notice also announces that the DSEIS is now available for public review and that public meetings will be held to solicit comments on the DSEIS.