Ind. Code § 8-1-2.2-9
(a) Each joint agency shall have all of the rights and powers necessary or convenient to carry out the purposes and provisions of this chapter, including but not limited to the following:
(13) To negotiate and enter into contracts with each of its member municipalities whereby each municipality may purchase power and energy and related services from the joint agency derived from any project or projects or without designation as to source and pursuant to which contracts each municipality shall agree to make payments from the revenues of its electric system adequate:
(d) A determination by the joint agency approved by the commission shall be conclusive unless a party to the proceeding aggrieved by the determination of the commission shall file notice of appeal pursuant to IC 8-1-3 .
As added by Acts 1980, P.L.68, SEC.1. Amended by P.L.82-1988, SEC.4; P.L.8-1993, SEC.116; P.L.81-1997, SEC.4; P.L.136-2018, SEC.57.