Section 36.212 - Rate Case Requirement For Certain Non-Ercot Utilities(a) This section applies only to an electric utility that operates solely outside of ERCOT. (b) The commission shall require an electric utility to make the filings with regulatory authorities required by Subchapter B, Chapter 33, and to file a rate-filing package under Subchapter D with the commission to initiate a comprehensive base rate proceeding before all of the utility's regulatory authorities: (1) on or before the fourth anniversary of the date of the final order in the electric utility's most recent comprehensive base rate proceeding; or (2) if, before the anniversary described by Subdivision (1), the electric utility earns materially more than the utility's authorized rate of return on investment, on a weather-normalized basis, in the utility's two most recent consecutive commission earnings monitoring reports. (c) The electric utility must make the filings described by Subsection (b) not later than the 120th day after the date the commission notifies the utility of the requirement described by Subsection (b). The 120-day period may be extended in the manner provided by Section 36.153(b). (d) The commission may extend the time period described by Subsection (b)(1) and set a new deadline if the commission determines that a comprehensive base rate case would not result in materially different rates. The commission shall give interested parties a reasonable opportunity to present materials and argument before making a determination under this subsection. (e) The commission shall adopt rules implementing this section, including appropriate notice and scheduling requirements. (f) This section does not limit the authority of a regulatory authority under Subchapter D. (g) This section expires September 1, 2031 . Amended by Acts 2019, Texas Acts of the 86th Leg.- Regular Session, ch. 1067,Sec. 3, eff. 6/14/2019.Added by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 733,Sec. 3, eff. 6/17/2015.