§97.910. Texas SO 2 Trading Program budget, Supplemental Allowance Pool budget, and variability limit. — Inbound Citations

(1) The amount (rounded to the nearest allowance) equal to the sum of the total amount of Texas SO2 Trading Program allowances allocated for such control period under § 97.911, or deemed to have been allocated under paragraph (2) of this definition, to the group of one or more Texas SO2 Trading Program units having the common designated representative for such control period multiplied by the sum for such control period of the Texas SO2 Trading Program budget under § 97.910(a)(1) and the variability limit under § 97.910(b) and divided by the sum of the total amount of Texas SO2 Trading Program allowances allocated for such control period under § 97.911, or deemed to have been allocated under paragraph (2) of this definition, to all Texas SO2 Trading Program units;

(iii) Total SO2 emissions from all Texas SO2 Trading Program units at Texas SO2 Trading Program sources during a control period in a given year exceed the State assurance level if such total SO2 emissions exceed the sum, for such control period, of the Texas SO2 Trading Program budget under § 97.910(a)(1) and the variability limit under § 97.910(b).

(1) For the control periods in 2019 and 2020, the total amount of allowances allocated from the Supplemental Allowance Pool for a control period may not exceed by more than 44,711 tons the sum of the Supplemental Allowance Pool budget under § 97.910(a)(2) and any portion of the Texas SO2 Trading Program budget under § 97.910(a)(1) not otherwise allocated for that control period under § 97.911(a)(1).

(d) The total amount of allowances in the Supplemental Allowance Pool available for allocation for a control period is equal to the sum of the Supplemental Allowance Pool budget under § 97.910(a)(2), any allowances from retired units pursuant to § 97.911(a)(2) and from corrections pursuant to § 97.911(c)(5), and any allowances maintained in the Supplemental Allowance Pool pursuant to paragraph (a)(3)(iii) or (b)(4)(ii) of this section, provided that if the number of allowances in the Supplemental Allowance Pool exceeds the applicable limit for the control period under paragraph (d)(1) or (d)(2) of this section, then the Administrator may only allocate allowances up to such applicable limit.

(1) For the control periods in 2019 and 2020, the total amount of allowances allocated from the Supplemental Allowance Pool for a control period may not exceed by more than 44,711 tons the sum of the Supplemental Allowance Pool budget under § 97.910(a)(2) and any portion of the Texas SO2 Trading Program budget under § 97.910(a)(1) not otherwise allocated for that control period under § 97.911(a)(1).

(2) For each control period in 2021 and thereafter, the total amount of allowances allocated from the Supplemental Allowance Pool for a control period may not exceed the sum of the variability limit under § 97.910(b) and any portion of the Texas SO2 Trading Program budget under § 97.910(a)(1) not otherwise allocated for that control period under § 97.911(a)(1).

(1) The amount (rounded to the nearest allowance) equal to the sum of the total amount of Texas SO2 Trading Program allowances allocated for such control period under § 97.911, or deemed to have been allocated under paragraph (2) of this definition, to the group of one or more Texas SO2 Trading Program units having the common designated representative for such control period multiplied by the sum for such control period of the Texas SO2 Trading Program budget under § 97.910(a)(1) and the variability limit under § 97.910(b) and divided by the sum of the total amount of Texas SO2 Trading Program allowances allocated for such control period under § 97.911, or deemed to have been allocated under paragraph (2) of this definition, to all Texas SO2 Trading Program units;

(iii) Total SO2 emissions from all Texas SO2 Trading Program units at Texas SO2 Trading Program sources during a control period in a given year exceed the State assurance level if such total SO2 emissions exceed the sum, for such control period, of the Texas SO2 Trading Program budget under § 97.910(a)(1) and the variability limit under § 97.910(b).

(2) For each control period in 2021 and thereafter, the total amount of allowances allocated from the Supplemental Allowance Pool for a control period may not exceed the sum of the variability limit under § 97.910(b) and any portion of the Texas SO2 Trading Program budget under § 97.910(a)(1) not otherwise allocated for that control period under § 97.911(a)(1).