Local wastewater and clean energy districts. Authorizes the Indianapolis metropolitan development commission (commission), following a written recommendation from the board of public works and approval of the legislative body, to adopt an ordinance under which an area is designated as a wastewater facility improvement district and incremental property tax revenue is captured to connect properties in the district to the municipal sewer system. Provides that, before making a recommendation to the commission to establish a district, the board of public works must: (1) establish the boundaries of the district; (2) identify the owners of property in the district; (3) create a proposed plan; and (4) hold a public hearing. Provides that the fiscal officer of the county shall establish a wastewater facility improvement fund for each wastewater facility improvement district and that the commission shall administer the fund. Provides that the incremental property tax revenue from a wastewater facility improvement district shall be deposited in the fund and may be used only to connect properties in the district to the municipal sewer system. Authorizes the issuance of bonds payable from the fund. Requires the commission to make an annual report on each wastewater facility improvement district to the fiscal body of the county and the department of local government finance. Authorizes the legislative body of a local governmental unit to designate an area as a clean energy improvement financing district and to establish a program in the district under which "qualified clean energy improvements" will be made in eligible properties to reduce energy or water consumption or to allow proper discharge of wastewater. Defines "eligible property" as including commercial, industrial, and agricultural property, school buildings, and local government buildings. Allows two or more local governmental units to establish a joint clean energy improvement program. Makes property owner participation in a clean energy improvement program voluntary and provides for property owners to pay for qualified clean energy improvements to their properties through assessments. Allows liens to be imposed for unpaid assessments. Allows the funding of a clean energy improvement program through commercial lenders, federal or state grants and loans, or local government sources. Requires the utility regulatory commission to establish technical guidelines for the administration of clean energy improvement programs.