Document 2JdBE555JB4M5wdaqOKgrxnVN

Activity Low cost: MRY 2 ESP Rebuild Incremental O&M Cost Cost $530,000 Low cost: MRY 2 ESP Rebuild Outage Cost I ugh cost: New MRY 2 Baghouse Low cost: MRY 2 Baghouse Incremental O&M Cost $1,421,000 $242,083,000 $4,047,000 Low cost: MRY 2 Baghouse $507,000 Outage Cost Total fPM Cost Range: High -- 5246,812,000 Low -- $38,452,000 Notes Incremental costs accounts for costs incurred above what is currently paid for by station for existing PM compliance (i.e. ESP power consumption, fly ash disposal, etc.) Based on S&L's conceptual cost estimating Incremental costs accounts for costs incurred above what is currently paid for by station for existing PM compliance (i.e. ESP power consumption, fly ash disposal, etc.) Table C: Minnkota's Total MRY Mercury and fPM Compliance Costs Activity MRY Total Mercury Costs for MRY 1 and MRY 2 Cost $13,799,500 Notes From Table above, O&M based on 1 year MRY Total fPM Costs for MRY 2 1 ugh - 5246,812,000 Low - $38,452,000 -37- From Table above, O&M based on I year Sierra Club FOIA 2025-EPA-04883 ED_018388_00000327-00089 SC_EVERSPLIT0006398