; or (B) January 1 of the first calendar year that is more than 10 years after the date of enactment of this section. 612. Use of dynamic crediting to issue clean electricity credits (a) Identification of dynamic crediting methodologies Not later than 2 years after the date of enactment of this section, the Secretary, in consultation with the Administrator of the Environmental Protection Agency, shall identify methodologies for calculating the carbon dioxide emissions from electricity generating resources that are avoided or displaced by increasing the generation from generating facilities eligible to receive clean electricity credits under section 611(d). In carrying out this subsection, the Secretary shall— (1) identify methodologies that estimate in an accurate manner the net carbon dioxide emissions avoided or displaced due to the electricity generated by each specific generating facility in each generation dispatch interval