NPS Comments on Best Available Retrofit Technology (BART) Analysis of Control Options for Colorado Springs Utilities – Drake Plant
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چکیده
The facility is located in Colorado Springs and consists of three BART-eligible dry-bottom, wallfired boilers (Units 5, 6, and 7). These boilers fire a variety of coal types, including coal from the southern Powder River Basin, ColoWyo coal (from northwestern Colorado), 20-Mile Foidel Creek coal (northwestern Colorado), and West Elk coal (western Colorado). Due to equipment limitations, these boilers cannot achieve full load on PRB-sourced coal and instead fire a blend of the above-listed coals. CSU asserts that the remaining useful life of Drake Units 5, 6, and 7 are each in excess of 20 years, which is the maximum amortization period allowed in the BART analysis.
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