Integrating Efficiency and Renewables

Transcription

1 Integrating Efficiency and Renewables ACEEE National Symposium on Market Transformation Stephen Cowell, CSG March 20, 2007

2 Introduction Program examples New construction: single and multifamily Retrofits Use of PV and bio-fuel Policy Question: How can public support for efficiency and renewable energy be integrated, coordinated, or run in parallel?

3 Issues Efficiency and Renewable energy programs operate based on separate legislation, separate administrative agencies, separate and distinct goals Industry/delivery infrastructure is generally divided into specialty companies focusing on specific technologies/products

4 Residential Solar - Overview PV produces electricity onsite Use inverter to change DC output of panels into utility grade AC power Grid tied / net metering Global market growing at 40%+ per year Strong public support but not well integrated with efficiency support

5 LIPA s Solar Pioneer Program 4.5 kw PV system in Mattituck, NY

6 LIPA s Solar Pioneer Program Program active since Solar Partner Contractors on Long Island More than 670 new systems installed 127 in 2006 Program incentive currently $3.75/Watt, about 40-50% of installed cost State and federal tax incentives further enhance economics

7 Typical Suffolk County new home $5,000 $4,000 $4,227/yr ~50% Decrease in Annual Energy Costs $3,201/yr $3,053/yr $3,000 $2,027/yr Electric Natural Gas $2,000 $1,000 $- Standard Home Standard w PV ENERGY STAR ENERGY STAR w PV New construction comparisons

8 LIPA Efficiency Programs Energy Star New Homes program Home Performance with Energy Star Coordination has been done from the bottom up by installers/customers CSG management of efficiency programs has just begun to develop coordination efforts with solar initiatives

9 Massachusetts Efficiency Funds administered by utilities Renewable funds from MTC To achieve coordination in New Homes, the MTC joined the utility committee administering the efficiency funds All other funding coordination is carried out by project developers

10 Boston, MA: Egleston Crossing Affordable Housing Developed by Urban Edge CDC Efficiency and PV Green design by Mark Kelly 64 units, two buildings, new construction Efficiency funding by NStar PV and green design support from MTC

11 Egleston Crossing

12 ENERGY STAR Homes Development in Tewksbury, MA Builder: Carter Scott

13 ENERGY STAR Homes Development in Townsend, MA Builder: Carter Scott

14 ENERGY STAR Homes Charlton, MA Geothermal heat pump & HRV Cellulose insulation Meticulous air sealing PV Owner/builder: Theodore Szkoda

15 MIT-CSG Retrofit Initiative Funded by MTC Collaborative effort between CSG and MIT in the Cambridge, Mass area Combined energy efficiency assessment/ incentives with PV incentives Older housing stock was a challenge for both efficiency and PV

16 Program Results Number of homes served with combined assessments 14 with PV only 3 with efficiency only 3 with combined PV and efficiency

17 Retrofit success Huge air leaks to the attic from a poor A/C installation, plus the usual culprits Adding PV to air sealing and insulation changed energy use dramatically and increased comfort levels significantly

18 Retrofit success Air sealed return plenum PV system installation Air sealed top plates

19 NJ Solar Program Largest per capita in the country 70 million dollars per year 1,400 systems installed Run by the BPU directly Efficiency programs operated by utilities Recently both efficiency and renewable programs transitioned to Market Managers

20 Integration strategy Increase incentives for solar on Energy Star new homes and with Home Performance retrofits Encourage participation of PV installers to incorporate efficiency services

21 Policy Challenges Establish minimum efficiency standards for buildings receiving significant PV investment? Use Incentives to integrate and leave choices to customers Education/information standards

22 Thank you! Steve Cowell x