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 special service area projects. 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 special service area. Provides that those green special service areas shall include only property for which each owner of record has executed a contract or agreement with the county or municipality consenting to the inclusion of the property within the green special service area. Provides that the owner of record of each parcel of property within a green special service area may arrange for specific energy efficiency improvements, renewable energy improvements, or water use improvements and may obtain financing for those improvements through the process set forth in the ordinance establishing the green special service area. Provides that counties and municipalities may levy property taxes in connection with green special service areas. Provides that counties and municipalities may issue bonds in connection with green special service areas and may sell, assign, or pledge those bonds to the Illinois Finance Authority. Amends the Counties Code and the Illinois Municipal Code to provide that each county or municipality shall have the power and authority to engage in specified activities that relate to green special service areas. Effective immediately.