(a) Until January 1, 2002, an electric utility shall provide retail electric service within its certificated service area in accordance with the electric utility’s retail base rate tariffs in effect on September 1, 1999, including its purchased power cost recovery factor.
(b) During the freeze period, an electric utility may not increase its retail base rates above the rates provided by this section except for losses caused by force majeure as provided by § 39.055.

(c) Notwithstanding any other provision of this title, during the freeze period the regulatory authority may not reduce the retail base rates of an electric utility, except as may be ordered as stipulated to by an electric utility in a proceeding for which a final order had not been issued by January 1, 1999.
(d) During the freeze period, the retail base rates, overall revenues, return on invested capital, and net income of an electric utility are not subject to complaint, hearing, or determination as to reasonableness.
(e) An electric utility that has a rate proceeding pending before the commission as of January 2, 1999, shall provide service in accordance with the tariffs approved in that proceeding from the date of approval until the end of the freeze period.
(f) Nothing in this section affects the authority of the commission to fulfill its obligations under § 39.262.
(g) Nothing in this section shall deny a utility its right to have the commission conduct proceedings and issue a final order pertaining to any matter that may be remanded to the commission by a court having jurisdiction, except that the final order may not affect the rates charged to customers during the freeze period but shall be taken into account during the utility’s true-up proceeding under § 39.262.
(h) Nothing in this title shall be construed to prevent an electric utility or a transmission and distribution utility from filing, and the commission from approving, a change in wholesale transmission service rates during the freeze period.