(a) A transfer of assets from an electric utility to an affiliated exempt wholesale generator or power marketer shall be valued at the greater of net book cost or fair market value.(b) A transfer of assets from an exempt wholesale generator or power marketer to an affiliated electric utility shall be valued at the lesser of net book cost or fair market value.(c) At the time that a transfer of assets between an electric utility and an affiliated exempt wholesale generator or power marketer is approved, the commission shall order the utility to adjust its rates so that the utility's tariffs reflect benefits from the proceeds of the sale and exclude any costs associated with the transferred facility.(d) For purposes of this section, 'electric utility' does not include a river authority. Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997. Amended by Acts 1999, 76th Leg., ch. 405, Sec. 21, eff. Sept. 1, 1999.