N.Y.C. Admin. Code § 28-320.3.2.1: § 28-320.3.2.1 Greenhouse gas coefficients of energy consumption for calendar years 2030 through 2034.

For the purposes of calculating the annual building emissions of a covered building in accordance with this section, the amount of greenhouse gas emissions attributed to particular energy sources shall be determined by the commissioner and promulgated into rules of the department by no later than January 1, 2023. The commissioner shall consult with the advisory board required by this article to develop such greenhouse gas coefficients for utility electricity consumption. When developing such coefficients, the commissioner shall consider factors, including but not limited to the best available New York state energy research and development authority and State Energy Plan marginal forecasts for Zone J for the end of the compliance period and beneficial electrification.

(L.L. 2019/097, 5/19/2019, eff. 11/15/2019; Am. L.L. 2019/147, 7/27/2019, eff. 11/15/2019; Am. L.L. 2020/095, 9/27/2020, eff. 9/27/2020)