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Present and Future: Solar Thermal in the US

Present and Future: Solar Thermal in the US. Les Nelson Solar Thermal Division Solar Energy Industries Association Solar Thermal Roadmap Symposium October 20, 2009. Global Solar Thermal Market 2007. Newly installed solar thermal collectors in 2007

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Present and Future: Solar Thermal in the US

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  1. Present and Future:Solar Thermal in the US Les Nelson Solar Thermal Division Solar Energy Industries Association Solar Thermal Roadmap Symposium October 20, 2009

  2. Global Solar Thermal Market 2007 Newly installed solar thermal collectors in 2007 Approx: 20 GWth Equivalent to: 28,300,000 m2 77% Preliminary data May 2008 Source: Koldehoff 14%

  3. Global Solar Thermal Market, 2007 Newly installed solar thermal collectors in 2007 Approx: 20 GWth Equivalent to: 28,300,000 m2 Preliminary data May 2008 Source: Koldehoff

  4. US Market Compared with European Market Germany 2007 Installations 940,000 m2 (Increasing market share; 2009 data shows 44%) USA Italy 2007 Installations 245,000 m2 USA 2008 Estimated Installations 180,000 m2 NEW 2009 Data: Total European Market: 4,750,000 m2 USA = 3.7 %

  5. NY Solar Thermal Symposium US Solar Thermal Installations Estimated in 2008 New England + New York 1,500 Northwest 500 Midwest and All Other US 5,000+ California 1,000 Mid-Atlantic 1,500 Florida 3,000 Arizona 1,500 Hawaiian Islands 8,500 25,000 to 30,000 64 square foot (6 m2) system installations in 2008 in US

  6. End Use Energy in the US Space Heating + Water Heating = 29.4% of US Building Energy Use

  7. Current Trends • Solar Water Heating • Rapid Increase of Imports • Evacuated Tube Collector Models Proliferating • General Consensus: 2009 Installations Flat or Slightly Lower • Solar Swimming Pool Heating • 2009 Sales Flat to Slightly Lower • Over 35,000 system equivalents installed (@ 350 feet2/system) • Solar Space Heating • “Combi-system” interest grows • Air heating collector-based system interest grows • Solar Air Conditioning • Interest growing as an electricity consumption reduction measure

  8. US Federal Government Support US Department of Energy “Solar Heating and Cooling Research & Development Program” Program Manager Bob Hassett 2009 Actual Budget $3.7 million for solar thermal 2010 Budget Request $6.5 million for solar thermal 2010 Budget Request for PV $170 million 2010 Budget Request for Concentrating Solar Power $50 million U.S. Solar Heating & Cooling Roadmap Introduction Meeting Monday, Oct. 26, 1:30 – 4:30 p.m. Anaheim Marriott Hotel, Platinum 7 & 8 Anaheim, CA

  9. Investment Tax Credit (ITC) for Solar Thermal • Original legislation established ITC effective 1/1/06 • Extended to 2016 in 2008 • $2,000 ITC cap eliminated effective 1/1/09 • Was 30% of system price with a maximum $2,000 • Now 30% of system price with no maximum • Specifically references “solar water heating,” not space heating • Products for which credit claimed must be certified by SRCC • SEIA will address eligibility of space heating and commercial swimming pools

  10. Energy Star Labeling for Solar Water Heaters High Efficiency Water Heater Program began 1/1/09 Includes solar, natural gas, heat pump& instantaneous SRCC OG-300 Solar System Certification required 43 System Suppliers participating Systems must provide at least 50% of water heating load www.energystar.gov

  11. Renewable Energy Credits (RECs) • RECs usually assigned to renewable electricity generation • Reduction of electricity consumption by solar thermal indistinguishable from renewable electricity generation • Some in REC assignment for solar with natural gas • Lakeland Electric (FL) and Sterling Planet completed first larger scale solar thermal REC trade • Growing interest in thermal as consumption reduction measure • Limited activity in solar thermal RECs trading • Australia program includes solar water heating • “Measured” versus “Predicted” energy generation at issue

  12. NY Solar Thermal Symposium Solar Rating & Certification Corporation • Non-profit Corporation established 1980 • Internationally recognized standards (ISO 9806-1, 2 & 3) • ~ 74 Participant Suppliers • ~ 300 solar collectors certified (OG-100) • ~ 900 solar systems certified (OG-300) • Future SRCC Solar Thermal Objectives • Certification for space heating (Combi-systems) • Certification for concentrating solar collectors • Certification for cooling (air conditioning) systems • Standards for performance monitoring

  13. SRCC OG-100 (Collector) and OG-300 (System) Certifications

  14. NY Solar Thermal Symposium What is Solar Thermal Product Certification? • Solar collector undergoes durability test • Solar collector undergoes thermal performance test • Solar system (using certified solar collector) undergoes design evaluation • Solar system is rated for performance in various geographic areas

  15. NY Solar Thermal Symposium Solar Collector Durability Test • Pre-test inspection • Pre-exposure Pressure Test • Thirty-Day Exposure Test • Thermal Shock/Water Spray Test • Thermal Shock/Cold Fill Test • Post-exposure Pressure Test

  16. NY Solar Thermal Symposium Outdoor Collector Performance Testing • Pros: • Accuracy of performance prediction • Cons: • Time consuming – time required for test completion contingent on weather conditions (7 to 50 days in FL) • Annual testing period limited based on climatic conditions (geographic location) • More manual labor may be required (daily positioning of test stands in FL)

  17. NY Solar Thermal Symposium Indoor Performance Testing with “Solar Simulator” • Pros: • Significantly faster testing (hours versus days) • 24/7/365 capability (not weather dependant) • Cons: • May yield different results than outdoor testing • Significant capital expense • Ongoing maintenance • Electricity intensive Courtesy: Atlas Manufacturing

  18. NY Solar Thermal Symposium Typical SRCC Solar Collector Performance Rating Table Comparability based on operating temperature and sunlight strength

  19. OG-300 Solar System Certification • Design review • Manufacturer or supplier’s system design evaluation • Component review (including substitutions) • Overall operation (known best practices) • Comprehensive Installation Manual required • Owner’s Operation Manual required • However: System selection must be appropriate for the climatic conditions and the application • Some systems not designed for cold climates • Excessive collector area may lead to overheating

  20. NY Solar Thermal Symposium Typical SRCC OG-300 System Schematic

  21. NY Solar Thermal Symposium Annual Performances of SRCC Certified Solar Systems at Locations Location Manufacturer Model System Designation Model Info Freeze Tolerance Energy Savings

  22. The North American Board of Certified Energy Practitioners • Incorporated in 1992 • Offers certification programs to renewable energy professionals • 112 NABCEP Certified Solar Thermal Installers • 936 NABCEP Certified PV Installers • Small Wind in development • Headquartered in Clifton Park, NY • Support from NYSERDA, US DOE • Developing “Entry Level” Program for Solar Thermal • www.nabcep.org NY Solar Thermal Symposium

  23. Solar Water Heating in the US 100 years ago Los Angeles, California Homes Circa 1910

  24. Fenway Park by groSolar NY Solar Thermal Symposium

  25. NY Solar Thermal Symposium Thank you! Les Nelson Division Chair Solar Energy Industries Association Washington, DC 30012 Aventura, Ste. A Rancho Santa Margarita, CA 92688Telephone: (949) 713-3500 E-mail: lnelson@westernrenewables.com

  26. Exova Canada Inc.2395 Speakman DriveMississauga, Ontario L5K 1B3Canada Florida Solar Energy Center1679 Clearlake RoadCocoa, FL 32922-5703 Fraunhofer Institute for Solare Energy SystemsTest Lab for Solar ThermalHeidenhofstrase 279110 Freiburg, Germany ISFHInstitut fur Solarenergieforschung GmbH, Hameln/EmmerthalAm Ohrberg 1Hameln/EmmerthalGermany 31860 ITWResearch and Testing Centre for Thermal Solar Systems (TZS) University of Stuttgart, GermanyStuttgart, Germany Germany 70550IZES gGmbHAltenkesseler Str. 17Saarbrucken, D-66115Germany SPF Institute fur SolartechnikHochschule fur Technik RapperswilOberseestrasse 10Rapperswil CH-8640SwitzerlandTUV Rheinland Immissionsschutz und Energiesysteme GmbHCologneGermany 51105 Laboratories Offering SRCC Accredited Testing Programs Pending as of October 2009: 1 Canada 2 Europe 4 US NY Solar Thermal Symposium

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