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Quantifying Emission Reductions from Local Government Actions

Quantifying Emission Reductions from Local Government Actions. Bruce Biewald Presentation to Metropolitan Washington Council of Governments Energy and Air Quality Conference Washington, DC; April 5, 2004. 22 Pearl Street Cambridge, MA 02139 617.661.3248 bbiewald@synapse-energy.com

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Quantifying Emission Reductions from Local Government Actions

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  1. Quantifying Emission Reductions from Local Government Actions Bruce Biewald Presentation to Metropolitan Washington Council of Governments Energy and Air Quality Conference Washington, DC; April 5, 2004 22 Pearl Street Cambridge, MA 02139 617.661.3248 bbiewald@synapse-energy.com www.synapse-energy.com

  2. Challenges in Emissions Reductions Calculations • Geographic scale. Electric grids are large regional interconnected systems. • Time scale. Resource additions and retirements are made on the basis of complex financial and strategic considerations. • Complexity. Electricity markets are complicated, subject to physical constraints, economic factors, and market rules (while emission rates vary greatly by generator and time period. • Cost. Computer models can be expensive. Synapse Energy Economics

  3. Interconnected Grid Synapse Energy Economics

  4. Resource additions and retirements over the long-term Synapse Energy Economics

  5. Electric dispatch simplified week Synapse Energy Economics

  6. PJM NOx and SO2 Profiles Synapse Energy Economics

  7. Synapse Project for the Ozone Transport Commission Objectives: • Advance the understanding of emission reductions from energy efficiency and renewables in quantitative terms. • Move toward a methodology robust enough to stand behind SIP credit, if desired. • Review models and methods for calculating avoided emissions from energy efficiency and renewables. • Develop a tool for calculating avoided emissions. • Tool should be able to assess energy efficiency, renewables, EPSs and multi-pollutant proposals. Synapse Energy Economics

  8. The OTC Emissions Workbook • Can calculate predicted emission reductions from energy efficiency, renewables, EPSs and multi-pollutant proposals • Based in MS Excel. Simple, quick, good for scenario analysis • Has default data in it – users can use this or enter their own input assumptions • Default data were developed using a system dispatch model. The workbook itself is simple – only adds, subtracts, multiplies and divides. • Does not forecast additions and retirements. Designed for scenario analysis. Synapse Energy Economics

  9. Resources from the OTC project • Ozone Transport Commission web site has available: • OTC Emission Reduction Workbook (Excel file). • OTC Emission Reduction Workbook: Description and Users Manual.  • Multi-Pollutant Approaches in Certain OTR States.  • Predicting Avoided Emissions from Policies that Encourage Energy Efficiency and Clean Power.  • www.otcair.org • www.synapse-energy.com Synapse Energy Economics

  10. It can be done! • Select a study region that is manageable size but large enough to include the significant impacts. • Understand the economic and other dynamics driving capacity mix changes over time. • “Dispatch models” are available to simulate in great detail the operation of a regional electricity system (e.g., PROSYM). • Use the OTC Workbook or hire a good consultant. Synapse Energy Economics

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