Non-profit organizations, schools, school districts, and housing authorities need a letter of support meeting these criteria to apply: On the letterhead of your township, county, park district, conservation district, forest preserve district, or municipality-including municipal entities such as water reclamation districts-providing the letter of support. State that the government agency has reviewed your ComEd Green Region project proposal and finds it satisfies the Program Guidelines. State that the project would benefit public open space and the government agency fully supports your application for the ComEd Green Region Grant . Signed by an authorized agent of the government agency providing the letter of support. Click here for a sample Letter of Support