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Variable Frequency Drives (VFDs) for Potato/Onion Shed Fans UES Measure Update

Variable Frequency Drives (VFDs) for Potato/Onion Shed Fans UES Measure Update. Regional Technical Forum April 23, 2014. Measure Overview Staff Highlighted Areas Estimate of Measure Potential Review Measure Workbook Summary of Updates Savings, Cost, and TRC RTF Staff Recommendation

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Variable Frequency Drives (VFDs) for Potato/Onion Shed Fans UES Measure Update

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  1. Variable Frequency Drives (VFDs) for Potato/Onion Shed FansUES Measure Update Regional Technical Forum April 23, 2014

  2. Measure Overview • Staff Highlighted Areas • Estimate of Measure Potential • Review Measure Workbook • Summary of Updates • Savings, Cost, and TRC • RTF Staff Recommendation • Proposed Decision Today’s Agenda

  3. Photo courtesy of Ryan Firestone

  4. Current Category: Proven Current Status: Out-of-Compliance Current Sunset Date: April 30, 2014 Reason for Update/Review: Bring measure into compliance Potato/Onion Shed VFD Measure Overview

  5. Staff recommends bringing measure into compliance as Small Saver • Estimated remaining potential on the order of 0.5 to 1 aMW • Staff agrees that current savings analysis reasonable for Small Saver UES Staff Highlighted Areas

  6. Bonneville provided potato/onion shed VFD achievements for its utilities from ‘09 - ’13 • Reported projects have fallen significantly since 2009 • 2009: 31 projects • 2010: 5 projects • 2011: 1 project • 2012: 3 projects • 2013: 0 projects (as of August) • Total savings reported since 2009: 0.67 aMW Estimate of Measure Potential

  7. According to BPA, well over half of the potential in its territory has already been converted to VFDs • Staff also reached out to Idaho Power • No estimate of remaining potential; however, • 90+% of its potato/onion shed VFD projects have been in NEW sheds, not retrofits • Only two retrofit projects in the last two years • Staff estimates remaining potential for this measure on the order of 0.5 to 1 aMW Estimate of Measure Potential

  8. Updates based on recommendation memo • Ported analysis into latest ProCost template • Cleaned up workbook documentation and analysis • Updated measure savings to reflect results of measured BPA project data instead of conservative rounding of results Summary of Updates

  9. Go to the following sections in the Summary tab in the proposed measure workbook: • Measure Properties and Identifiers • Constant Parameters • Energy Savings Estimation Method, Parameters and Data Sources • Measure Incremental Costs and Benefits • Measure Lifetime Measure Workbook

  10. Energy savings increased by 19% • Previous analysis used conservative assumption of 1,000 kWh savings per HP • Proposed analysis uses actual savings resulting from analysis (1,193 kWh/HP) • Slight decrease in incremental costs (~1%) • Cost-effectiveness remains unchanged • All measures cost effective except 5HP size Savings, Cost, and TRC

  11. Approve the Variable Frequency Drives - Potato/Onion Shed measure as a Small Saver UES Set the sunset date to five years from now RTF Staff Recommendation

  12. “I _______________ move that the RTF: Approve the Variable Frequency Drives - Potato/Onion Shed measure as a Small Saver UES; Set the measure status to Active; and Set the sunset date to April 30, 2019.” Proposed Decision

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