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This workgroup meeting discusses the implementation of Senate Bill X1.28 and the update of power plant siting guidance. It covers the scope of regulation, emission limits, low emission measurement, and the role of the workgroup. Relevant information and schedules are provided.
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IMPLEMENTATION OF SENATE BILL X1 28 & UPDATE OF POWER PLANT SITING GUIDANCE Workgroup Meeting August 3, 2001 Air Resources Board California Environmental Protection Agency
Purpose of Today’s Meeting • Discuss ARB’s approach for Electrical Generation Retrofit Regulation and Guidance update • Solicit members for workgroup • Highlight important dates for regulation/guidance • Set workgroup meeting dates
Focus for Today • Statewide regulation and schedule for retrofitting electrical generating facilities • Update “Guidance for Power Plant Siting and Best Available Control Technology”
Presentation Overview • Retrofit Regulation: • Background • Scope of regulation • Power Plant Guidance Update: • Current Guidance BACT emission levels • Areas of possible change • Low emission measurement • Regulation/Guidance Workgroup: • Workgroup’s role • Tentative regulation & workgroup schedule
Statewide Retrofit Regulation: Background
Power Plant Inventory TotalCapacity (MW) Hydroelectric 386 14,116.53 Geothermal 46 2,561.70 Gas/Oil 340 27,733.42 Coal 15 549.50 Wind 104 1,814.68 Waste-to-Energy 104 1,087.67 Nuclear 2 4,310.00 Solar 14412.63 Grant Total: 1,011* 52,586.11 *Plants of 0.1 MW and larger
Scope of Regulation • Applicability • 1 MW and greater • Supplies power to the grid • Includes: • Prime reciprocating engines • Peakers • Boilers • Qualifying Facilities (Q.F.’s) • Renewables • Other
Scope of Regulation(continued) • Pollutants: • All criteria pollutants - NOx, CO, VOC, PM10, SOx • Emission limits: • Based on class/category of source (i.e., combined-cycle turbine, natural gas-fired boiler, wood-fired boiler, landfill gas-fired ICE) • Incentives for zero emission technologies
Scope of Regulation(continued) • Banking criteria • TBD • Timelines for implementation of retrofits • TBD • Exemption for repowers
Retrofit Starting Points • ARB guidance • RACT/BARCT emission limits currently in place • BACT emission control techniques • District Rule and Regulation commitments
Emission Reduction Credit Bank • Two Step Process: • 1) Establish bank tracking system • 2) Fund the bank from emission reductions achieved from regulation
Update to the Guidance for Power Plant Siting and Best Available Control Technology
Current BACT Guidance:Achievable Emission Levels for Simple-Cycle Configuration • 5 ppmvd NOxat 15% O2, 3-hr rolling average • 6 ppmvd CO at 15% O2, 3-hr rolling average • 2 ppmvd VOC at 15% O2, 3-hr rolling average, or 0.0027 lbs/MMBtu • Case-by-case determination for industrial frame turbines
Current BACT Guidance:Achievable Emission Levels for Combined-Cycle and Cogeneration Configuration • 2.5 ppmvd NOxat 15% O2, 1-hr rolling average, or 2.0 ppmvd at 15% O2, 3-hr rolling average • 6 ppmvd CO at 15% O2, 3-hr rolling average • 2 ppmvd VOC at 15% O2, 1-hr rolling average, or 0.0027 lbs/MMBtu
Current BACT Guidance:Achievable Emission Levels for SOx and PM10 • For PM10 and SOx, emission limits corresponding to combustion of natural gas with total sulfur no more than 1 grain/100 SCF • For SOx, equivalent to no more than 0.55 ppmvd @ 15% O2
Areas of Possible Change • Simple-cycle power plants: • Lower NOx levels for aeroderivative turbines • Definitive NOx BACT for industrial frame turbines • Combined-cycle power plants: • Lower NOx BACT
Low Emission Measurement Committee • Investigating problems with low NOx measurement in gas turbine exhaust • To develop a test method to more accurately quantify low NOx emissions from gas turbines • University test study quantifying sources of error in NOx measurement methods • South Coast AQMD low emission performance testing on SCONOx • Efforts of other organizations
Tentative Regulation and Guidance Schedule • Mail draft regulation November 9, 2001 • Statewide Public Consultation Workshops • Sacramento December 11, 2001 • Los Angeles December 12, 2001 • Eureka December 14, 2001 • Board Meeting April 25, 2002
Workgroup’s Role • Identify stakeholders’ perspectives • Exchange technical information • Provide forum to brainstorm draft concepts
Workgroup Schedule • Initial Workgroup Meeting August 3, 2001 • Workgroup Meeting September 13, 2001 • Workgroup Meeting October 4, 2001
More Information • http://www.arb.ca.gov/energy/retro/retro.htm (will include a List Server) • Written Comments - Mail to: Christopher Gallenstein, Air Pollution Specialist California Air Resources Board P.O. Box 2815 Sacramento, CA 95812 cgallens@arb.ca.gov • Questions - Call: Regulation: Christopher Gallenstein (916) 324-8017 Guidance Document: Stephanie Kato (916) 327-5601