Synopsis As Introduced Amends the Illinois Finance Authority Act. Provides that the Illinois Finance Authority has the power to purchase special service area bonds and to accept assignments or pledges, or both, of special service area bonds or agreements relating to public and private green energy special service area projects, which authority shall be liberally construed. Allows any unit of local government with the authority in connection with green energy special service area projects to provide special service area financing under specified provisions, including bonds. Specifies that bonds issued pursuant to the financing be secured by special service area agreements. Amends the Special Service Area Tax Law in the Property Tax Code. Provides that the corporate authorities of a county or a municipality may establish a green energy special service area and specifies the criteria for the creation of the areas. Amends the Counties Code and the Municipal Code to specify that each county or municipality shall have the power and authority to engage in specified activities that relate to green energy special service areas. Effective immediately.