Statewide SingleFamily Rebate Program Evaluation: Lighting - PowerPoint PPT Presentation

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Statewide SingleFamily Rebate Program Evaluation: Lighting

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Recent evaluation results that pertain to lighting. CFL ... Usage peaks between 8 and 9pm; less than 10% of CFLs operate during summer weekday afternoons ... – PowerPoint PPT presentation

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Title: Statewide SingleFamily Rebate Program Evaluation: Lighting


1
Statewide Single-Family Rebate Program
Evaluation Lighting
  • CALMAC/MAESTRO Meeting
  • San Francisco, CA
  • July 26, 2006
  • Tami Rasmussen
  • tami.rasmussen_at_kema.com

2
Overview of Presentation
  • Program background
  • Recent evaluation results that pertain to
    lighting
  • CFL Metering Study
  • Consumer and supplier lighting market
    characterization
  • 2004-2005 program evaluation scope

3
Single-Family Rebate Program Lighting component
background
  • Statewide program PGG, SDGE, So Cal Gas, SCE
  • 1998 market transformation initiative -
    California Residential Lighting and Appliance
    Program
  • 2001 resource acquisition focus over 8 million
    CFL product incentives
  • 2002-2003 Statewide Crosscutting Residential
    Lighting Program 4 million CFL product
    incentives per year

4
Single-Family Rebate Program Lighting component
background
  • 2004-2005 Statewide Single-Family Retrofit
    Program
  • 10 million CFL product incentives per year
    (procurement funding accounts for half)
  • 92 of energy savings goals met through lighting
    measures

5
CFL Metering Study Objective and Approach
  • Update CFL energy savings parameters
  • Monitor interior fixtures with CFLs to obtain
    time-of-use data
  • Sample frame CA residents with CFLs installed,
    7 regional strata from San Diego to Chico
  • Sample size 375 homes, 891 interior fixtures,
    983 CFLs
  • Monitoring on/off time and date stamp light
    meters 6-12 months of metering from June 2003
    October 2004

6
CFL Metering Study Results
  • Average hours of use 2.3 hours per day for
    interior fixtures
  • No different from standard lighting usage (based
    on 1997 HMG study)
  • Drivers of variation
  • Room type
  • Fixture and control type
  • CFL vintage
  • Usage peaks between 8 and 9pm less than 10 of
    CFLs operate during summer weekday afternoons

7
Lighting Market Characterization Objectives and
Approach
  • 2002 Statewide Crosscutting Residential Lighting
    Program evaluation
  • Update prior consumer and supplier lighting
    market characterizations
  • 1000 residential population surveys (split evenly
    between CFL purchaser/non-purchaser) conducted in
    June 2003
  • 50 market actor interviews conducted in June 2003

8
Lighting Market Characterization Key Consumer
Findings
9
Lighting Market Characterization Key Supplier
Findings
  • Prices have declined wholesale below 1, retail
    between 2-3 (down from 6 in 2001) most
    manufacturers expect prices to decline further
  • Product diversity has increased more
    manufacturers in the market more designs, shapes
    and sizes of CFLs elimination of objectionable
    features such as oversized bulbs, poor light
    quality, color rendering

10
Lighting Market Characterization Key Supplier
Findings, continued
  • Most products are ENERGY STAR certified
  • Expectations for increased sales in the future
    due to declining price and expanding diversity

11
2004-2005 Single-Family Program Evaluation Scope
Lighting
  • Consumer CFL survey (CFL purchaser and
    non-purchasers)
  • Interviews with lighting retailers, manufacturers
    and stakeholders
  • Process evaluation
  • Gross impact assessment (on-site surveys with CFL
    purchasers from 2004-2005)
  • CFL Net-to-gross assessment (TBD may include a
    combination of approaches)

12
Full reports available at www.calmac.org
  • CFL Metering Study
  • www.calmac.org/publications/2005_Res_CFL_Metering
    _Study_Final_Report.pdf
  • Evaluation of the 2002 Statewide Crosscutting
    Residential Lighting Program
  • www.calmac.org/publications/2002_Statewide_Res_Li
    ghting_Final_Report.pdf
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