Section 39.165 - Grid Reliability Assessment(a) The independent organization certified under Section 39.151 for the ERCOT power region shall conduct a biennial assessment of the ERCOT power grid to assess the grid's reliability in extreme weather scenarios. (b) Each assessment must: (1) consider the impact of different levels of thermal and renewable generation availability; and (2) recommend transmission projects that may increase the grid's reliability in extreme weather scenarios. Amended by Acts 2023, Texas Acts of the 88th Leg.- Regular Session, ch. 768,Sec. 22.003, eff. 9/1/2023.Added by Acts 2021, Texas Acts of the 87th Leg. - Regular Session, ch. 876,Sec. 3, eff. 9/1/2021.