Ind. Code § 8-1.5-3-8
(c) "Reasonable and just rates and charges for services" means rates and charges that produce sufficient revenue to:
(1) pay all the legal and other necessary expenses incident to the operation of the utility, including:
(f) Rates and charges established under this section are subject to the approval of:
(2) the commission, in accordance with the procedures set forth in IC 8-1-2 .
The commission shall approve rates and charges that are sufficient, in addition to the cash revenue requirements set forth in subsection (c), to include a reasonable return on the utility plant of the municipality if the legislative body so elects.
(i) A municipality that acquires and operates a utility under IC 8-1.5-2 by exercising the power of eminent domain may not impose a special rate, charge, surcharge, or other fee, other than rates and charges approved under this section or otherwise authorized by law, on the customers of the utility in order to pay for the costs associated with acquiring the utility through the exercise of the power of eminent domain.
As added by Acts 1982, P.L.74, SEC.1. Amended by P.L.105-1983, SEC.2; P.L.35-1990, SEC.28; P.L.172-2009, SEC.5.