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Achieving Higher Savings in Low-Income Weatherization

Achieving Higher Savings in Low-Income Weatherization. Jacqueline Berger. 2015 IEPEC Conference ― Long Beach, California. Session Outline. Introduction Maximizing Energy Savings Target High Energy Users Install Major Measures where Cost-Effective Quality Service Delivery

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Achieving Higher Savings in Low-Income Weatherization

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  1. Achieving Higher Savings in Low-Income Weatherization Jacqueline Berger 2015 IEPEC Conference ― Long Beach, California

  2. Session Outline • Introduction • Maximizing Energy Savings • Target High Energy Users • Install Major Measures where Cost-Effective • Quality Service Delivery • Performance Measurement • Summary and Recommendations

  3. Low-Income Energy Efficiency Programs • Serve many purposes • Affordability • Comfort • Health and safety • Equity • Many goals for the programs • Sometimes the goals are conflicting

  4. Potential Goals

  5. Energy Savings

  6. Presentation

  7. Maximizing Energy Savings

  8. Reaching High Usage Customers

  9. Treating High UsageAcross Program Analysis Seven low-income efficiency program evaluations over past eight years. Seven low-income efficiency program evaluations over past four years.

  10. Treating High UsageWithin Program Analysis

  11. Treating High UsageWithin Program Analysis

  12. Penetration ofMajor Measures Electric Savings by Number of Major Measures Installed in Electric Heating Jobs

  13. Penetration ofMajor Measures Natural Gas Savings by Number of Major Measures Installed

  14. Quality Service DeliveryEvaluation Method

  15. Quality Service DeliveryWeaknesses Identified

  16. Quality Service DeliveryWeaknesses Identified

  17. Quality Service Delivery Audit Observation Findings: Air Leakage and Insulation Diagnostics

  18. Quality Service Delivery Measure Installation Findings: Air Sealing Work

  19. Quality Service DeliveryRecommendations • Program Manual • Clarify measure selection and installation • Reflect best practices in home performance • Spending Guidelines • Relate to savings opportunities • Allow flexibility • Work Orders • Clear and specific • Training • Quality Control • Performance Measurement

  20. Performance Measurement

  21. Performance Measurement

  22. Performance Measurement • Develop Baseline Statistics • Pre-treatment usage, measure installation rates, energy savings measured through billing analysis • Refine Procedures • Documentation, contractor training • Pilot Program Changes • Innovative strategies implemented on small scale • Examples: treating low usage, high baseload, health and safety issues, homes previously treated • Conduct Quality Control • Observe, inspect, quantify findings, agree on specifications

  23. Performance Measurement • Require Contractor Accountability • Require remediation, set goals for performance, additional QC, remove contractors if they do not improve • Assess Inputs and Outputs • Improving enough to lead to better results? • Assess Inspection Results • Comprehensive installations, missed opportunities, poor quality work • Early indication of savings expectations • Assess Energy Savings • Billing analysis on an annual basis

  24. Performance Measurement

  25. Summary and Recommendations

  26. Lessons Learned It is challenging to meet savings expectations Target high usage customers Ensure major measures are installed where opportunities exist Maximize use of proven home performance techniques Conduct performance measurement

  27. Contact

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