(a) Whenever any person, company, or corporation furnishing patrons or consumers with power, gas, water, electricity, or telephone service shall require a deposit from the consumer before the utility will be supplied to him or her or before a meter will be installed by the person, company, or corporation, then, in every case, the person putting up the deposit, when the deposit is taken down or meter removed, shall receive interest on the deposit until it is returned to the patron or consumer, provided all bills due for service furnished have been paid by the patron or consumer.
(b)
(1) The interest paid on any deposit shall be computed using simple interest, applying such annual rates as the commission shall determine from year to year.
(2) The annual interest rate applicable to deposits shall be determined annually by the Arkansas Public Service Commission following notice and hearing. Each year, the commission shall enter its order setting the annual rate of interest no later than December 31 for the following year. The new annual rate shall become effective January 1 of the following year and shall remain in effect for the remainder of the calendar year, or until such later time as the commission shall enter its order establishing a new rate.
(3) The annual rate of interest set by the commission for any year shall not be more than ten percent (10%).
(c) This section shall not apply to cities or towns of a population of less than three thousand (3,000) persons that have granted franchises for electric current for lighting and other purposes furnished by manufacturing establishments not solely engaged in the manufacture of electric current for lighting and other purposes.