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Distributed Resources and the Environment

Distributed Resources and the Environment. Nancy L. Seidman MA Dept of Environmental Protection 21 June 2002. Purpose. Recognizing the role of DR in existing and restructured electricity markets Collaborating to develop model emissions standards for distributed generation. Purpose.

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Distributed Resources and the Environment

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  1. Distributed Resources and the Environment Nancy L. Seidman MA Dept of Environmental Protection 21 June 2002

  2. Purpose • Recognizing the role of DR in existing and restructured electricity markets • Collaborating to develop model emissions standards for distributed generation

  3. Purpose • What concerns are being addressed? • Environmental protection with technology and industry changes • Promoting clean DR • Administrative simplicity • Promoting certification of small engines at clean standards

  4. Emissions Comparison Source: Bluestein, EEA

  5. Emissions Comparison Source: Bluestein, EEA

  6. Principles Guiding Development of the Rule • The model emissions standards should: • Lead to improved air quality, or at least do no additional harm • Be technology-neutral and fuel-neutral, to the extent possible

  7. Principles Guiding Development of the Rule • The model emissions standards should: • Promote technological improvements in efficiency and emissions output • Encourage the use of non-emitting resources • Account for the benefits of CHP and the use of otherwise flared gases • Be easy to administer • Facilitate the development, siting, and efficient use of DR

  8. Organization of the Working Group • 25-30 members encompassing: state energy regulators, state and federal air quality regulators, manufacturers, interest groups (environmental and industry) • Work done primarily by conference call and e-mail; two face-to-face meetings

  9. Status of Effort • Three work groups established after January 2001 meeting • May 2001 meeting • November 2001 Public Review Draft • Revisions - winter and spring 2002 • Final model rule - Summer 2002

  10. Challenges • Establish technology-neutral standards • Encourage clean distributed resources • Monitor increased use of back-up generators • Implement core air quality principles • Establish standards for small sources • Factor in positive externalities, e.g., CHP

  11. Key Issue:Applicability • What types of sources should be covered? • What sizes of engines should be addressed? • What functions should be covered? • emergency, peaking, baseload

  12. Key Issue:Emissions • Establish “appropriate” emissions standards • Better than grid average, as good as new BACT for large combined cycle sources, LAER? • Pollutants: NOX, PM, CO, CO2, SO2

  13. Proposed Emissions Limits • For NOX, PM, CO, CO2: • Output-based limits: pounds per MWh • For SO2: • Diesel is the issue • Following EPA on-road requirements • Ultra-low sulfur fuel requirement • Technology review prior to Phase Three

  14. Proposed NOX Limits

  15. Proposed CO2 Limits

  16. Proposed PM Limits

  17. Proposed CO Limits

  18. Proposed Emissions Limits • Emergency Generators • 300 hours annual operation • 30 hours annual maintenance (included in the 300 total) • EPA off-road engine standards, expressed in pounds/MWh

  19. For More Information RAP web site - www.rapmaine.org

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