(a) If an electric public utility constructs new or expanded electric generation capacity on or after January 1, 2004, in a county where the population has not increased more than 5% between the dates of the two most recent decennial censuses taken and published by the United States bureau of the census, the state corporation commission, in determining the utility’s revenue requirements, shall make adjustments that allow the utility to retain benefits equivalent to 10% of the net revenues from sales of electricity generated by such new or expanded capacity to customers outside the state.

(b) The provisions of this section shall not apply to net revenues which are subject to the provisions of Kan. Stat. Ann. § 66-1,184a, and amendments thereto.