PNM (NYSE: PNM) appealed a mandate by the U.S. Environmental Protection Agency (EPA) requiring the company’s 1,800 MW San Juan coal-fired power plant in New Mexico to install emissions controls within five years. The appeal was filed Sept. 16 in the U.S. Court of Appeals for the 10th Circuit in Denver.
PNM also asked EPA for a hold on its decision while the matter is decided in court, believing the appeal could take up to two years.
EPA said it would require San Juan to install selective catalytic reduction (SCR) technology on all four of the plant’s units to address haze. Compliance is estimated to cost the company $741 million. PNM officials said selective non-catalytic reduction technology approved by the New Mexico Environmental Improvement Board in June would cost $77 million.
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