Residential single family clothes washer ues measure update
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Residential Single Family Clothes Washer UES Measure Update. Regional Technical Forum September 17, 2013. Residential Clothes Washer Measure Overview. Current Category: Proven Current Status: Active Current Sunset Date: November 30, 2013

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Residential Single Family Clothes Washer UES Measure Update

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Residential Single Family Clothes WasherUES Measure Update

Regional Technical Forum

September 17, 2013


Residential Clothes WasherMeasure Overview

  • Current Category: Proven

  • Current Status: Active

  • Current Sunset Date: November 30, 2013

  • Reason for Update/Review: Sunset date approaching due to Energy Star update slated for late 2013 but delayed until March of 2015

  • Baseline Type: Current Practice


Staff Highlighted Areas

  • Minimal updates required:

    • This measure underwent significant review and updating as part of last year’s effort to bring it from “Under Review” to “Active”

    • Only reason measure was given short sunset date was due to upcoming Energy Star update.

  • Efficiency tiers for UES measure definitions:

    • Washington “WashWise” efficiency tiers removed due to WashWise program ending in December 2012.

    • Current efficiency tiers considered: any Energy Star, CEE Tier 3 or better, Energy Star Top 10% or better

    • Seeking RTF guidance on whether these tiers address region’s programmatic needs.


Measure Descriptions

  • Go to the following sections in the Summary tab in the proposed measure workbook:

    • Measure Properties

    • Measure Identifiers


Summary of Updates

  • Ported UES measure analysis into latest ProCost template

  • Updated list of clothes washers available in the market using current extract from the California Energy Commission (CEC) appliance database

  • Updated parameters using 2011 RBSA where possible:

    • Fuel type distribution for DHW, dryers

  • Updated water costs using 2012 American Water Works Assoc. (AWWA) data

  • Removed WashWise tiers due to program ending

  • Added detergent cost savings NEB (included in commercial clothes washer UES but missing from residential UES)


Measure Analysis and Inputs Details

  • Go to the following sections in the Summary tab in the proposed measure workbook:

    • Constant Parameters

    • Energy Savings Estimation Method, Parameters and Data Sources

    • Measure Incremental Costs and Benefits

    • Measure Lifetime


Summary of Changes

  • Energy Savings

    • Increased (1-15%, avg. 6%) as a result of more efficient machine stock.

  • Incremental costs

    • Increased (~6%) as a result of updating CEC stock.

  • Life

    • No change.

  • TRC Cost-Effectiveness

    • All measures remain cost-effective (even without detergent savings NEB)

  • Go to the Presentation tab in the proposed measure workbook for graphs of existing vs. proposed savings and TRC.


Staff Proposal

  • Approve the updates to the residential clothes washer UES measure;

  • Set the measure status to “Active”;

  • Change the sunset date to February 31, 2015; and

  • Leave current efficiency tiers unchanged unless members of the RTF express interest in additional tiers.


Remaining Issues for RTF Discussion

  • UES efficiency tier definitions

    • Any need from utilities for edits or additions to the current efficiency tiers?

    • Example change:

      • Add a “CEE Tier 2 or better” tier

    • A note on adding tiers:

      • Pros – allows programs to target varying levels of savings

      • Cons – additional administrative burden to utilities and RTF staff, particularly if tiers are not used


Decision

“I _______ move to:

  • approve the updates to the residential clothes washer UES measure;

  • set the measure status to ‘Active’;

  • change the sunset date to February 31, 2015; and

  • [add / edit / no changes to] the efficiency tier(s) ____________ in the measure workbook.”


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