To elect or not to early elect -- one utility`s analysis
- Arizona Electric Cooperative, Inc., Benson, AZ (United States)
On March 22, 1994, the US Environmental Protection Agency published final rules establishing nitrogen oxides (NO{sub x}) emission limitations for two categories of Phase 1 coal-fired utility boilers: dry bottom, wall-fired boilers and tangentially-fired boilers. These two types of boilers are called Group 1 boilers. On November 29, 1994, the US Court of Appeals for the District of Columbia Circuit vacated these rules. The vacated rules had contained provisions allowing Phase 2 sources with Group 1 boilers to elect to comply with the Phase 1 limitations by calendar year 1997. Utilities choosing this option would be exempt from compliance with any revisions in NO{sub x} limits until January 1, 2008. This includes the Phase 2 limitations scheduled for promulgation by January 1, 1997. These limitations may be more stringent than the recently published Phase 1 standards. Based on provisions of the March rules, Arizona Electric Power Cooperative, Inc., (AEPCO) as a Phase 2, Group 1 utility, initiated analysis of the early election option. Targeted for review during analysis are: (1) applicability to unit boilers; (2) historic emission data; (3) the relationship between loads and emissions, including projected loads between 1997 and 2008; (4) the costs/benefits of deferred compliance with Phase 2 standards; and (5) expected fuel sources and operating scenarios during the affected period. Assigned to review of these items is an in-house task force comprised of key decision-makers in the company. Each task force member is assigned to a portion of the review based on their area of expertise and responsibility. To date, items 1, 2, and 4 have received attention by the task force. Due to vacatur of the Phase 1 rules in November, 1994, AEPCO has extended the analysis period for items 3 and 5.
- OSTI ID:
- 271880
- Report Number(s):
- CONF-950196-; TRN: IM9635%%307
- Resource Relation:
- Conference: Air & Waste Management Association (AWMA) conference on acid rain & electric utilits: permits, allowances, monitoring & meteorology, Tempe, AZ (United States), 23-25 Jan 1995; Other Information: PBD: 1995; Related Information: Is Part Of Acid rain and electric utilities: Permits, allowances, monitoring and meteorology; Dayal, P. [ed.] [Tucson Electric Power Co., AZ (United States)]; PB: 940 p.
- Country of Publication:
- United States
- Language:
- English
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