Utility Coal-Biomass Co-firing Plant Opportunities and

1,41

MB

Conceptual Assessments

73

stron

5200

ID

ANTARES Group, Inc.

1999

rok

Table of Contents

ES EXECUTIVE SUMMARY ES-1

1.0 SCREENING COAL-FIRED UTILITY BOILERS IN THE NORTHEAST 1

1.1 Preliminary Screening . 1

1.2 Final Screening 4

1.3 Other Considerations and Issues . 7

1.3.1 Fuel Flexibility Issues 7

1.3.2 Fuel Integration Issues . 8

2.0 CONCEPTUAL ASSESSMENTS OF FOUR POWER PLANTS . 9

2.1 Dunkirk Power Station . 11

2.1.1 Boiler Biomass Input . 12

2.1.2 Proposed System Modifications 12

2.1.3 Cost Estimates . 16

2.1.4 System Operation, Economics, and Performance 17

2.2 Portland Power Station . 22

2.2.1 Boiler Biomass Input . 23

2.2.2 Proposed System Modifications 23

2.2.3 Cost Estimates . 27

2.2.4 System Operation, Economics, and Performance 29

2.3 Greenidge Power Station 32

2.3.1 Boiler Biomass Input . 32

2.3.2 Proposed System Modifications 33

2.3.3 Cost Estimates . 37

2.3.4 System Operation, Economics, and Performance 37

2.4 Brunner Island Power Station 43

2.4.1 Boiler Biomass Input . 43

2.4.2 Proposed System Modifications 44

2.4.3 Cost Estimates . 48

2.4.4 System Operation, Economics, and Performance 50

2.5 Biomass Impacts on Fly Ash Products . 53

3.0 REFERENCES . 57

Appendix A - Preliminary Data Source List for Utility Coal/Biomass Co-firing Project

Appendix B - CONEG Power Plant Screening Results

Appendix C - Co-firing Biomass Retrofit Considerations

Appendix D - Contact Information for ASTM Committee C-9 on Concrete and Concrete