Clean Air Act - Section 111 Regulation of GHG emissions from fossil fuel-fired electric generating units

For plants larger than 300 MW with a capacity factor higher than 50%, co-firing 30% by volume of low GHG hydrogen [less than 0.45 kg CO2-eq/kg H2 on a well-to-gate bases] is the best system emission reduction from 2032 [Phase II with a standard of 680 lb CO2/MWh gross] and co-firing 96% by volume of low-GHG hydrogen beginning of 2038 [Phase III with a standard of 90 lb CO2/MWh gross]. The difference that the capacity factor introduces is the requirement on efficiency of the power conversion

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