Document zob1nYRYYX1YyGR6evwpd00VB

USCA Case #24-1190 Co strip PM Evaluation -- Final Document #2062093 Apri 29, 2024 Filed: 06/27/2024 TABLE OF CONTENTS Page 29 of 92 TOC Page No. 1.0 EXECUTIVE SUMMARY 1-1 1.1 Capital Cost Analysis 1 -1 1.2 O&M Cost Analysis 1-3 2.0 INTRODUCTION 2-1 2.1 Colstrip Steam Electric Station 2-1 2.2 Cost Development 2-1 2.3 Limitations and qualifications 2-2 3.0 EMISSION REDUCTION TECHNOLOGY DESCRIPTION 3-1 3.1 Pulse-Jet Fabric Filter 3-1 3.1.1 Process Description 3-1 3.1.2 Pulse-Jet Fabric Filter Advantages 3-3 3.1.3 Pulse-Jet Fabric Filter Disadvantages 3-3 3.2 Dry Electrostatic Precipitator 3-4 3.2.1 Process Description 3-4 3.2.2 Electrostatic Precipitator Advantages 3-6 3.2.3 Electrostatic Precipitator Disadvantages 3-6 4.0 EMISSION GUARANTEES 4-1 5.0 COST EVALUATION 5-1 5.1 Capital Costs 5-1 5.1.1 General Estimate Basis 5-3 5.1.2 Discipline Information 5-3 5.2 Operation and Maintenance, Levelized Costs 5-7 5.2.1 O&M Cost Basis 5-7 6.0 SUMMARY 6-1 6.1 Summary 6-1 6.1.1 Balance of Plant Impact Analysis 6-1 APPENDIX A - DRAWINGS APPENDIX B - VENDOR QUOTES * ** * * Talen Montana TOC-1 Sierra Club FOIA 2025-EPA-04883 Bums & McDonnell ED_Ol 8388_00000309-00029 SC_EVERSPLIT0006192