The Authority may assist the Department to establish and implement a program to assist units of local government to identify and arrange financing for energy conservation projects in buildings and facilities owned or leased by units of local government. Such bonds shall not constitute an indebtedness or obligation of the State of Illinois and it shall be plainly stated on the face of each bond that it does not constitute such an indebtedness or obligation but is payable solely from the revenues, income or other assets of the Authority pledged therefor.
20 ILCS 3501/820-35