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November 16-17 2010 Energy Efficiency Finance Workshop Energy Efficiency Financing: Multifamily Sector Beckie Menten Visiting Research Fellow Energy Efficiency Planning Energy Division
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November 16-17 2010 Energy Efficiency Finance Workshop
Energy Efficiency Financing:Multifamily Sector
Beckie MentenVisiting Research Fellow
Energy Efficiency PlanningEnergy Division
November 16-17 2010 Energy Efficiency Finance Workshop
Road Map• Multifamily Sector
Background• Common Measures and
Savings Potential• Overview of Investor
Owned Utility (IOU) Programs
• The Multifamily Sector in the California Public Utilities Commission Long Term Energy Efficiency Strategic Plan
November 16-17 2010 Energy Efficiency Finance Workshop
Introduction to the Multifamily Sector
• Approximately 1/3 of California Residents Live in Multifamily Dwellings (~3.78 Million Households)
• Differs from SF in Key Ways– Different Opportunities– Significant Low Income
Proportion– Complex Financing
Landscape– Can Offer Economies of
Scale
Source: California Public Utilities Commission, “California Long-Term Energy Efficiency Strategic Plan,” September 2008.
November 16-17 2010 Energy Efficiency Finance Workshop
Multifamily Sub-sectors
November 16-17 2010 Energy Efficiency Finance Workshop
Measures to Achieve 20% across Climate Zones: 40 Unit Low Rise
Measure Name Baseline Improved Cost Per Dwelling Unit (DU)1
Attic Insulation R – 11 R – 38 $478
Wall Insulation SEER 8.9 SEER 13.0 $263
Window Replacement Single Pane Metal Frame
Dual Pane Vinyl Frame
$1,622
Seal Duct Leakage 28% 15% $498
Percent Improvement (HERS)
Range of Expected Savings2 Total Cost Per DU
17.5% - 28.4% 8,878 – 39, 534 kWh
1,464 – 4,479 therms
$2,861
1DEER database unless noted.2Range of savings is based on climate zone and age of baseline housing stock.
November 16-17 2010 Energy Efficiency Finance Workshop
IOU Multifamily Programs 2010-20121
Total Program Savings2
1,281 MWh9,239,121 therms22 MW demand
StatewideMultifamily Energy Efficiency Rebate Program (MFEER)$80,188,539 Energy Upgrade California : TBD
Third PartyCalifornia Multifamily New Homes (PG&E): $4,408,293Multifamily Solar Pool Heating (SCG): $1,497,491Multifamily Home TuneUp / Multifamily Direct Therms Savings (SCG) : $4,939,981
Local ProgramsMIDISF Energy Watch
Stimulus / FederalBetter BuildingsEnergy Upgrade CaliforniaRetrofit CaliforniaRetrofit Bay AreaRetrofit LA
1Multifamily specific, some nonresidential programs can apply.2Not including local programs.
November 16-17 2010 Energy Efficiency Finance Workshop
Multifamily in the Strategic Plan
Strategic Plan Residential Sector Goals:
• By 2015, reduce energy consumption in existing homes by 15% through universal demand for highly efficient homes and products.
• By 2020, ensure that all new single and multi-family homes achieve zero net energy.
• By 2020, reduce consumption of existing homes by 40% through universal demand for highly efficient homes and products.
November 16-17 2010 Energy Efficiency Finance Workshop
Multifamily Sector in the Strategic Plan
Progress Towards Strategic Plan Goals to Date:
• Working towards a whole house performance based rebate program for the multifamily sector (2011).
• Engage360 website launch to motivate consumer demand and drive market transformation.
• Development of a Zero Net Energy Action Plan to guide CPUC progress towards a ZNE future.
Photo credit: “Bedzed,” Paul Miller, http://www.paulmiller.org/bedzed.jpg
November 16-17 2010 Energy Efficiency Finance Workshop
Questions / Comments / Resources
• For further reading:– California Long Term Energy Efficiency Strategic Plan, California
Public Utilities Commission. (2008) http://californiaenergyefficiency.com/docs/EEStrategicPlan.pdf
– Improving California’s Buildings: Opportunities and Recommendations for Green Retrofit & Rehab Programs (Draft – October 7, 2010), Findings from the Multifamily Subcommittee of the California Home Retrofit Coordination Committee. http://www.builditgreen.org/_files/Admin/HERCC/MF_HERCC_report_10152010.pdf
– U.S. Multifamily Energy Efficiency Potential by 2020, Prepared for the Energy Foundation by the Benningfield Group, Inc. (2009) http://www.benningfieldgroup.com/docs/Final_MF_EE_Potential_Report_Oct_2009_v2.pdf
November 16-17 2010 Energy Efficiency Finance Workshop
Contact Information
Beckie MentenVisiting Research Fellow
Energy Efficiency Planning Section
Climate Strategies Branch, Energy Division
California Pubic Utilities Commission
(415) 703-5131
