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					2010 Solar Power International Conference

Solar Heating & Cooling (SHC) Program
                     Robert Hassett
                   U.S. Department of Energy
                 Office of Building Technologies
       Solar Heating & Cooling (SHC) Technology Manager


                       October 2010
                                Importance of Buildings Sector

                                          40% of U.S. Primary Energy Consumption
39% of U.S. Carbon Emissions

                    Buildings
       Industry &
                    630 MMTC
   Transportation
                    (39%)
       992 MMTC
           (61%)




    72% of U.S. Electricity


                                                           Total U.S. Energy Consumption
                                                     125

   55% of U.S. Natural Gas                           120
                                           (Quads)
                                                     115

                                                     110

                                                     105

                                                     100
                                                       2005    2010   2015   2020   2025   2030
Residential Site Energy End Uses
   Buildings Energy Databook 2008
                                 Residential Site Energy End Use
                               3% Adjust to SED
                                  Other 3%
                                                            Space Conditioning & DHW:
                        Computers 1%
                     Wet Clean 4%
                                                                     ~70% Total Load
                     Cooking 4%

              Refrigeration 4%


             Electronics 5%                                            Space Heating 45%



                 Lighting 7%




                                                                     SHC: 60-70% x 70% =
                  Water Heating 16%
                                                  Space Cooling 8%
                                                                     ~50% Total Bldg Load
World And U.S. SHC Market Status




                               4
 Installed Capacity of Glazed Flat-Plate and
   Evacuated Tube Collectors, 1999 - 2007
Source: Solar Heat Worldwide 2009, http://www.iea-shc.org/
Total Capacity of Glazed Flat-Plate and Evacuated Tube
        Collectors in 2007, per 1,000 Inhabitants
     Source: Solar Heat Worldwide 2009, http://www.iea-shc.org/
2007 Capacity by Country and Type




     IEA-SHC Program, Solar Heat Worldwide 2009.
                                                   7
   World Renewable Energy Capacity and Production in 2007




                   IEA-SHC Programme, Solar Heat Worldwide 2009.
October 15, 2010                  Solar Heating & Cooling          8
Outline
   • DOE SHC Program Overview & Activities
   • SHC Roadmap Status
   • Solar Vision Study Status
   • Solar Workforce Development
        Initiative
   • IEA SHC Programme Tasks

                                             9
DOE SHC Program Overview
           & Activities




                           10
  Budget & Incentives to Leverage
                    •     ITC: 8 Year Extension, 30%, No Caps

                    •     EISA: 30% SWH for New or Renovated
                          Federal Buildings

                    •     ARRA Funds for DOE Solicitations

                    •     California Program: $350 M

                    •     Hawaii: Mandate for New Homes
                    ===================================================================================


                    •     FY09 Budget: $3.7M

                    •     FY10 Budget: $6.4M

                    •     FY11 Request: $7.3M


October 15, 2010
                    •     FY12 Request:
                   Solar Heating & Cooling
                                                          ?                                               11
                     Solar Water Heating: Energy Savings Potential
                                      Levelized Cost of Energy (LCOE)
                    18

                    16


                    14
                                                                         Residential
                         Solar Water Heating                              Electricity
                    12                                                      Rates
                             Cost Range
cents/kWh (2008$)




                    10

                    8
                             Residential
                              Natural
                    6           Gas
                               Rates
                    4

                    2

                    0
                    1990            1995       2000   2005    2010      2015            2020
                                                      Year
SRCC OG-300 Ratings Comparison
         Consumer Reports (CR): Solar Water
         Heater Testing
         Consumers Union Test Facility, Yonkers,
         New York
         (Red bar indicates CR test annual average
   70%
         savings.)
   60%
   50%
   40%
   30%
   20%
   10%
    0%
             AET Eagle Sun         Heliodyne Helio-Pak      FAFCO Sungrabber
   Source: SRCC website and Consumer Reports: “Water Heaters,” October 2010
          SRCC OG-300 (Albany)   Consumer Reports    SRCC OG-300 (New York City)
                                                                                   Slide 13
                                                       SHC R&D Activities

The SH&C R&D goal is develop solar thermal systems for new and existing
  buildings that will be cost-competitive with conventional technologies and
  that can be used for water heating and space conditioning.
   Current Activities
   Low-cost Solar Water Heaters Combined Solar Heating,               Solar Electric / Solar Thermal Solar Rating & Certification
                                    Cooling, and Water Heating        Pathways                       Corporation
                                    Systems
   • Identifying the solar thermal • Evaluating combined solar        •   Developing heating and         •   Expanding U.S. testing
     systems that can significantly    heating, cooling, and water        cooling applications for           capabilities and reducing
     contribute to attaining low       heating systems with               combined solar electric /          laboratory backlog
     energy homes in all U.S.          seasonal storage                   solar thermal systems in       •   Interim certification process
     climates                       • Fundamental systems                 residential and commercial         initiated
   • Supporting field trials and       analysis of seasonal storage       buildings                      •   Concentrating collector
     expansion of low-cost solar       concept has been completed     •   Prototype PV/thermal-driven        standard has been developed
     water heaters into cold        • Prototype components being          desiccant dehumidification     •   IEA-SHC
     climates that reduce the          constructed                        system has been developed          testing/certification
     levelized cost of energy by at • IEA-SHC thermal energy          •   IEA-SHC solar air                  harmonization task initiated
     least 50%                         storage task in progress           conditioning / refrigeration   •   Providing technical support
   • Testing the durability of                                            task underway                      for the emerging U.S. solar
     polymer absorbers and                                                                                   water heater market
     glazings
   • IEA-SHC polymers in solar
     thermal task in progress
                                  FY10 Activities

•   SRCC Support and Activities
    –   Testing standard for concentrating collectors developed
    –   Impact resistance test for collector glazings implemented
    –   Collector testing backlog reduced
    –   Support to California Solar Initiative – Thermal Program
•   NABCEP Support: Entry Level Solar Thermal Program initiated
•   USH2O Support: Database of SWH programs and commercial
    solar thermal projects
•   Solar Vision Study: SHC Chapter developed and reviewed
•   IEA Solar Heating & Cooling Program
    – Task 39 – Polymer Materials for Solar Thermal Applications: Hosted experts
      meeting at NREL in October
    – Hosted IEA-SHC Executive Committee meeting in June
    – Established U.S. National Team for IEA-SHC tasks (Potential USH2O
      Interest?)
                                     Slide 15
Solar Heating & Cooling
    Technology Roadmap
--- funded by DOE Building Technologies Program




                                                  16
Challenges/Puzzles
 •    Key European SHC Markets Down Up to 40% Last Year – Policy/Incentive
      Uncertainty and General Economy
 •    U.S. Household Net Worth Dropped Over $10 Trillion Between 2007 and Today
      – Much of it in Home Equity
 •    Businesses Holding Substantial Profits – But Not Spending/Hiring
       – Increase in Funds Available for Corporate Investment Nearly Doubled to
         $66.3 Billion from 1st Q to 2nd Q of 2010 (US BEA)
 •    Federal Government Deficit: $13.5 Trillion Total, $1.4 Trillion Annually
      (www.usdebtclock.org)
 •    Unemployment at 9.6% -- Peak was 10.6% in 1982
 •    Competition from New Technologies: Heat Pump Water Heaters and
      Instantaneous Gas Water Heaters
 •    Most Impact is in Existing Buildings - Until Recently Not a Focus for DOE
     October 15, 2010             [Solar Heating & Cooling]                  17
Technology Options/Goals
• Low-cost solar water heaters for zero energy homes in cold climates:
   – cost-competitive with natural gas water heaters,
   – 30% less source energy than gas tankless heaters (EF=0.8) and
   – $2,000 incremental system cost (2015)
• Low-cost systems for combined building heating, cooling, and water
  heating in zero energy homes:
   – 30% reduction in annual energy use than SEER 18 / AFUE 92.5%
      system and
   – 60% incremental cost (2020)
• Combined solar electric/solar thermal (PV/T) systems that will increase
  energy production 100% over a stand-alone PV system at just 20%
  incremental cost (2015)
• Solar Cooling: Field tests of solar cooling and dehumidification
  applications in commercial buildings
    October 15, 2010         [Solar Heating and Cooling]               18
Potential/Existing Efforts to Boost Deployment
•   Stronger integration/leveraging across programs for market transformation:

     – Leveraging Energy Star SWH, Rebuild America, Energy Smart Schools where
       SHC could easily fit

     – SETP Market Transformation program that already has connections to SHC

     – Strong testing/certification effort with SRCC and IEA-SHC are foundation for
       stronger standards and codes and Energy Star – Energy Star SWH success

     – FEMP and its clients including DoD and GSA with demand for renewable energy
       and potential SHC applications, leading by example

     – Workforce Development Initiative with NABCEP activities

•   Workforce development needs focus on near-term SHC markets. Training workers for
    jobs that do not exist will create a backlash.


                                          [subprogram]                      October 15, 2010
                         SHC Roadmap Areas


SHC Applications:
 • Residential and Commercial Buildings
    • Water heating
    • Space heating
    • Space cooling
    • Pool heating
 • Industrial and Agricultural Applications
     • Process heating and cooling
    • District heating
    • Crop drying
                                              20
                SHC Roadmap Integration

Industry-driven:

 • Solar Energy Industries Association (SEIA)

 • Air-Conditioning, Heating, and Refrigerating
   Institute (AHRI)

 • American Society of Heating, Refrigerating,
   and Air-conditioning Engineers (ASHRAE)

                                              21
SHC Roadmap-related Meetings
  • Roadmap Introduction Meeting, Solar Power International 2009
        Anaheim, California, October 26, 2009

  • IEA-SHC Solar Air-Conditioning and Refrigeration Workshop,
    ASHRAE Winter Meeting
        Orlando, Florida, January 27, 2010

  • “Growing a Solar Heating and Cooling Market” focus group,
    Solar America Cities Annual Meeting
        Salt Lake City, Utah, April 15, 2010

  • SHC Roadmap Planning Meeting, ASHRAE Summer Meeting
        Albuquerque, New Mexico, June 30, 2010                     22
Roadmap Status and Future Plans

  • Draft SHC Technology Overview - June 30, 2010
  • Draft SHC Commercialization Plan - September 30, 2010

  • Draft SHC Technology Roadmap - September 30, 2010

  • SHC Industry Review, October - December 2010

  • Final Draft SHC Technology Roadmap - January 2011



                                                            23
Potential Future Roadmap Meetings

  • 2011 ASHRAE Winter Meeting - Las Vegas, Nevada
        January 29 – Feb 2, 2011

  • Intersolar North America - San Francisco, California
        July 12-14, 2011

  • Solar Power International 2011 - Dallas, Texas
        October 18-20, 2011


                                                           24
U.S. Department of Energy (DOE)
      Solar Vision Study
--- funded by DOE Solar Energy Technologies Program




                                                      25
   Solar Vision Study
    • Goals of the study
            – Evaluate the technical, economic, and environmental
              feasibility of meeting 10-20% of electricity demand from
              solar energy technologies by 2030
            – Identify technology Research, Development,
              Demonstration, Deployment (RD3) and policy options
              that could be employed to help achieve this vision.
    • Scope of Study
            – Includes PV (central and distributed), CSP, and Solar
              Heating & Cooling.
National Renewable Energy Laboratory   26                 Innovation for Our Energy Future
                         Solar Vision Study Schedule

• May 28 – June 25
   – External Peer Review
     http://www1.eere.energy.gov/solar/vision_study.html
• June 28 – July 16
   – Chosen chapter leads, Review Task Force, address comments
• July 19 – July 30
   – Review Task Force coordinates with WG’s in finalizing drafts
   – Get WG approval on edits and reach consensus where needed
• August 2 - 13
   – NREL technical edit
• August 16 - 27
   – Final internal editing – response to technical edit where needed
• August 30
   – Submitted to DOE for final approval
                                  27
Solar Workforce Development (SWD)
    Initiative




                                    28
                                 National Administrator
                                 • Identifies and convenes solar experts, educators and industry representatives
                                 • Facilitates the development of model curricula, best practices and career pathways
                                 • Conducts national communication and outreach
                                 Funded by the U.S. Department of Energy
DOE funds a system of centers
to accelerate and improve the
development of the workforce                                                      Regional Training Providers
required for the expansion of                   CONSORTIUM                        Expert providers develop curricula and
the solar industry.                             Experts & Industry                train local instructors from community
                                                 Representatives                  colleges, CTEs, trade unions and other
                                                                                  groups




                                                                                      Local Educational Institutions
                                                                                      Training workers to enter and support
                                                                                      the local solar industry
                                                                                      Sponsorship and support from the Department of
                         Trained Solar Installation Workforce                         Labor, the Department of Education the National
                                                                                      Science Foundation, the solar industry and other
                         Includes installers, technicians, system designers,          groups
                         engineers, sales people and code officials
SWD - Project Summary
• Solar Instructor Training Network
 • Funding level: Total of $27M over 5 years, includes $10M in ARRA
   funds

 • Awardees: 9 Regional Resource and Training Providers awarded
   through a merit-reviewed competitive solicitation

 • Technologies: PV and Solar Heating and Cooling (SHC)

 • Main Activity: Regional providers will train local instructors on how
   to best teach the downstream workforce of installers, system
   designers, engineers, salespeople, and code officials

 • IREC - Recently selected as the SWD National Administrator

                                                                           Slide 30
                                                                           Slide 30
Workforce Development Partners with SHC Expertise
Solar Workforce Development - Awardees
   Funding level: $27M Total (incl. $10M in ARRA funds)   Duration: 5
                                   years




                                                                   Slide 32
                                                                  Slide 32
IEA Solar Heating &
           Cooling Programme




                               33
                          IEA-SHC Participation

Participation in the International Energy Agency Solar
Heating & Cooling Program (IEA-SHC) leverages DOE
Solar Heating & Cooling research by incorporating the
shared knowledge and experiences of the other
participating countries:
   Australia        Germany             South Africa
   Austria          Italy               Spain
   Belgium          Mexico              Sweden
   Canada           Netherlands         Switzerland
   Denmark          New Zealand         United States
   Finland          Norway              European Union
   France           Portugal            China & India (?)
                                                   34
                      IEA-SHC Current Tasks


U.S. participates in the following tasks:
   – Task 36 - Solar Resource Knowledge Management
   – Task 38 - Solar Air-Conditioning and Refrigeration
   – Task 39 - Polymeric Materials for Solar Thermal
                 Applications
   – Task 40 - Towards Net Zero Energy Solar Buildings
   – Task 42 - Compact Thermal Energy Storage: Material
                 Development and System Integration
   – Task 43 - SHC Rating and Certification Procedures
   – Task 44 - Solar and Heat Pump Systems
   – New Tasks – TBD (USH20 ???)
Moving Energy Efficiency and Renewables into the Building
       Sector Mainstream

             Thank You!

				
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