---
kind: "section"
citation: "40 C.F.R. § 73.21"
title: "40"
number: "73.21"
heading: "Phase II repowering allowances."
url: "https://uscodex.org/cfr/40/73.21"
---

# §73.21. Phase II repowering allowances.

- (a) **Repowering allowances.** In addition to allowances allocated under [§ 73.10(b)](/cfr/40/73.10.md?p=b), the Administrator will allocate, to each existing unit (under [§ 72.44(b)(1)](/cfr/40/72.44.md?p=b-1) of this chapter) with an approved repowering extension plan, allowances for use during the repowering extension period approved under [§ 72.44(f)(2)(ii)](/cfr/40/72.44.md?p=f-2-ii) of this chapter (including a prorated allocation for any fraction of a year) equal to:
- (b) Upon commencement of commercial operation of a new unit (under [§ 72.44(b)(2)](/cfr/40/72.44.md?p=b-2) of this chapter) with an approved repowering extension plan, allowances for use during the repowering extension period approved will end and allocations under [§ 73.10(b)](/cfr/40/73.10.md?p=b) for the existing unit will be transferred to the subaccounts for the new unit.
- (c)
  - (1) If the designated representative for a repowering unit terminates the repowering extension plan in accordance with [§ 72.44(g)(1)](/cfr/40/72.44.md?p=g-1) of this chapter, the repowering allowances allocated to that unit by [paragraph (a)](#a) of this section will be terminated and any necessary allowances from that unit's account forfeited, calculated in the following manner:
- (c)
  - (2) The Administrator will reallocate any allowances forfeited in [paragraph (c)(1)](#c-1) of this section with a compliance use date of 2000 or any allowances remaining in the repowering reserve to all Table 2 units' years 2000 through 2009 subaccounts in the following manner:

## Notes

### Amendments

[53 FR 15713, Mar. 23, 1993, as amended at 63 FR 51765, Sept. 28, 1998]

### Source

Source: 58 FR 3687, Jan. 11, 1993, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7601 and 7651 et seq.

### Amendments

[53 FR 15713, Mar. 23, 1993, as amended at 63 FR 51765, Sept. 28, 1998]