Document bBmnEQ1kmvOKwVkbz6BjBZ6Rg

Activity Mercury control additional Potassium Iodide costs (based on annual operation) Cost $1,600,000 Incremental Mercury Control O&M cost 52,412,000 Capital & O&M Costs: Total MRY 2 Costs MRY 1 Projected Costs $8,919,500 $4,880,000 Total for MRY 1 and MRY 2 $13,799,500 Notes Cost based on 2023 MRY Unit 2 usage rate & pricing instead of assuming same as sorbent costs. Cost is $1,4 million more than estimated by EI'A. This is the cost in excess of the current O&M costs. This estimate is based on current compliance of approximately $L9 million. Per MW (440MW) = $18,978 MRY has 235 MW. Based on the cost per MW from itemized costs for MRY 2 Table B: MRY 2 fPM Compliance Costs Activity fPM Feasibility Study Cost $175,000 Low cost: MRY 2 ESP Rebuild Capital Cost $36,326,000 Notes Based on roughly budgetary estimates from Southern Environmental , Inc. Based on S&I.'s conceptual cost estimates and inputs from Southern Environmental, Inc. -36- Sierra Club FOIA 2025-EPA-04883 ED_018388_00000327-00088 SC_EVERSPLIT0006397