The Materials Innovation and Recycling Authority shall accept for disposal in any landfill owned by the authority the residue from any municipal or private waste-to-energy plant the operation of which has been approved by the Commissioner of Energy and Environmental Protection in accordance with the provisions of section 22a-208 or 22a-208a, provided an engineer from the authority certifies that such landfill has the capacity for disposal of such residue in excess of the capacity committed pursuant to any bonds issued by said authority for the term of such bonds. The authority shall charge a fee that represents the actual cost of disposal of such residue.