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RTF Refrigeration Subcommittee

RTF Refrigeration Subcommittee. April 27, 2011. Agenda. Review evaluation/calibration outline Validation Results Subcommittee recommendation and next steps. Evaluation Approach. Evaluate program savings Provide empirical data for calibration Refrigeration end-use

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RTF Refrigeration Subcommittee

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  1. RTF Refrigeration Subcommittee April 27, 2011

  2. Agenda • Review evaluation/calibration outline • Validation Results • Subcommittee recommendation and next steps

  3. Evaluation Approach • Evaluate program savings • Provide empirical data for calibration • Refrigeration end-use • Two weeks pre and post minimum • Shoulder seasons preferable

  4. Data collected may include • Compressor and condenser energy data • Display case or walk-in energy data • EMS temp and pressure trends • GS4 audit and refrigeration schedules • Whole building interval meter data where available

  5. Sampling • Sampling unit: measures or measure bundles • 24 sites for calibration • CV of 0.3, 90% confidence, and 10% precision

  6. Timelines and Responsibilities • Launch programs using GrocerSmart 4.0 (Implementation) • Assemble evaluation team to write up detailed evaluation plan and metering strategy (Evaluation) • Collect pre- and post-project end use and whole building interval meter data (where applicable). Implementers and evaluators will coordinate to install meters at sample sites. (Evaluation - lead; Implementation - support) • Analyze the data to estimate savings for projects, measures, or measure bundles. Compare to GrocerSmart 4.0 and adjust program data. (Evaluation) • Calibrate GrocerSmart 4.0 with the data from the impact evaluation (Implementer)

  7. Validation Parameters Climates (5) CZ01, CZ06, CZ16, Portland, Seattle Test Audits w/ refrigeration sizes and counts (10) from 17 to 86 tons refrigeration Measures FHPC ASHC-LT ASHC-MT ECM Cases ECM Walk-ins 300 DOE2 calculations at this time

  8. Average of high GS3 values Average of low GS3 values

  9. Average of high GS3 values Average of low GS3 values

  10. Average of high GS3 values Average of low GS3 values

  11. Average of high GS3 values Average of low GS3 values

  12. Average of high GS3 values Average of low GS3 values

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