; or (B) if the Secretary has not made the determination described under subparagraph (A)— (i) any of the 5 calendar years following the applicable calendar year, if the applicable calendar year is any of calendar years 2022 through 2029; (ii) any of the 4 calendar years following the applicable calendar year, if the applicable calendar year is any of calendar years 2030 through 2034; (iii) any of the 3 calendar years following the applicable calendar year, if the applicable calendar year is any of calendar years 2035 through 2039; and (iv) any of the 2 calendar years following the applicable calendar year, if the applicable calendar year is 2040 or any calendar year thereafter. 204. Determination and issuance of quantity of zero-emission electricity credits (a) Issuance of zero-Emission electricity credits The Secretary shall issue to each generator a quantity of zero-emission electricity credits determined in accordance with this section, not later than March 1 of the calendar year after the calendar year for which the zero-emission electricity credits are issued. (b) General rules on credit issuance Except as otherwise provided in this section, the Secretary shall issue to a generator generating zero-emission electricity during a calendar year a quantity of zero-emission electricity credits for such generation that is equal to the product obtained by multiplying— (1) the qualified electricity generation of the generator during such calendar year; by (2) the number that equals— (A) 1.0; less (B) the quotient obtained by dividing— (i) the average carbon intensity of the generating units of such generator for such calendar year, as determined in accordance with subsection (c)