; and (D) cooperate with States and Indian Tribes— (i) to facilitate coordination between State, tribal, and Federal renewable electricity programs; and (ii) to minimize administrative burdens and costs to retail electricity suppliers. (d) Annual compliance requirement (1) Annual targets For each of calendar years 2021 through 2039, the annual target of a retail electricity supplier shall be equal to the number of megawatt hours that is equal to the product obtained by multiplying— (A) the required annual percentage for that calendar year under paragraph (2); and (B) the retail electricity supplier’s base quantity for that calendar year. (2) Required annual percentage (A) Calendar years 2021 through 2030 For each of calendar years 2021 through 2030, the required annual percentage shall be as follows: Required annual Year: percentage: 2021 21.0 2022 24.5 2023 28.0 2024 31.5 2025 35.0 2026 39.0 2027 43.0 2028 47.0 2029 51.0 2030 55.0 (B) Calendar years 2031 through 2039 (i) Increase Except as provided in clause (ii), for each of calendar years 2031 through 2039, the required annual percentage shall be equal to the required annual percentage for the previous calendar year plus 4 percentage points. (ii) Feasibility (I) Adjustment Except as provided in subclause (II), for any of calendar years 2031 through 2039, the Commission may increase or decrease the 4 percentage point increase required under clause (i) if the Commission determines necessary based on technical and economic feasibility studies or other equivalent means. (II) Exception For each of calendar years 2031 through 2039, the percentage point increase required under this subparagraph for the required annual percentage shall be greater than zero. (e) Federal renewable electricity credits (1) In general (A) Issuance; tracking