Trees for Residential Energy and Economic Savings Act of 2023 or the TREES Act of 2023 This bill directs the Department of Energy (DOE) to establish a grant program for facilitating tree planting projects that reduce residential energy consumption. Under the program, DOE must award grants in a manner that facilitates the planting of at least 300,000 trees each year. States, local governments, Indian tribes, nonprofit organizations, or retail power providers may apply for grants.