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www.seia.org Present and Future: Solar Thermal in the US Les Nelson Solar Thermal Division Solar Energy Industries Association Solar Thermal Roadmap Symposium October 20, 2009
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Present and Future:
Solar Thermal in the US
Les NelsonSolar Thermal Division
Solar Energy Industries Association
Solar Thermal Roadmap SymposiumOctober 20, 2009
www.seia.org
Global Solar Thermal Market 2007
Newly installed solar thermal collectors in 2007
Approx: 20 GWth Equivalent to: 28,300,000 m2
Preliminary data May 2008Source: Koldehoff
77%
14%
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Global Solar Thermal Market, 2007
Newly installed solar thermal collectors in 2007
Approx: 20 GWth Equivalent to: 28,300,000 m2
Preliminary data May 2008Source: Koldehoff
www.seia.org
US Market Compared with European Market
Italy 2007 Installations245,000 m2
USA 2008 Estimated Installations180,000 m2
Germany 2007Installations940,000 m2
(Increasing market share; 2009 data shows 44%)
NEW 2009 Data:Total European Market: 4,750,000 m2
USA = 3.7 %
USA
www.seia.orgNY Solar Thermal Symposium
Northwest500
New England + New York1,500
California1,000
Arizona1,500
Florida3,000
Midwest and All Other US
5,000+
Hawaiian Islands8,500
US Solar Thermal Installations Estimated in 2008
Mid-Atlantic1,500
25,000 to 30,000 64 square foot (6 m2) system installations in 2008 in US
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End Use Energy in the US
Space Heating + Water Heating= 29.4% of US Building Energy Use
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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
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
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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
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
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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
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
NY Solar Thermal Symposium
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SRCC OG-100 (Collector) and OG-300 (System) Certifications
www.seia.org
NY Solar Thermal Symposium
What is Solar Thermal Product Certification?
1. Solar collector undergoes durability test
2. Solar collector undergoes thermal performance test
3. Solar system (using certified solar collector) undergoes design evaluation
4. Solar system is rated for performance in various geographic areas
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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
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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)
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NY Solar Thermal Symposium
Indoor Performance Testing with “Solar Simulator”
Courtesy: Atlas Manufacturing
±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
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NY Solar Thermal Symposium
Typical SRCC Solar Collector Performance Rating Table
Comparability based on operating temperature and sunlight strength
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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
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Typical SRCC OG-300 System Schematic
NY Solar Thermal Symposium
www.seia.org
NY Solar Thermal Symposium
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 2408 G 120 AC S E
2001023F 27 3157 KWH
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 2410 G 120 AC S E
2001023G 27 3387 KWH
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 3408 G 120 AC S E
2001023H 27 3120 KWH
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 3410 G 160 AC S E
2001023I 27 3185 KWH
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 2408 G 80 AC D Z
2001025E 27 138 therms
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 2408 G 120 AC D Z
2001025F 27 142 therms
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 2410 G 120 AC D Z
2001025G 27 157 therms
NY-ALBANY Heliodyne, Inc. Helio-Flo HF 3408 G 120 AC D Z
2001025H 27 154 therms
Annual Performances of SRCC Certified Solar Systems at Locations
Location Manufacturer Model System Designation Model Info Freeze Tolerance Energy Savings
NY Solar Thermal Symposium
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
Solar Water Heating in the US 100 years ago
Los Angeles, California HomesCirca 1910
NY Solar Thermal Symposium
Fenway Park by groSolar
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Les Nelson Division ChairSolar Energy Industries AssociationWashington, DC
30012 Aventura, Ste. ARancho Santa Margarita, CA 92688
Telephone: (949) 713-3500
E-mail: [email protected]
NY Solar Thermal Symposium
Thank you!
NY Solar Thermal Symposium
Exova Canada Inc.2395 Speakman DriveMississauga, Ontario L5K 1B3Canada
Florida Solar Energy Center 1679 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 70550
IZES gGmbHAltenkesseler Str. 17Saarbrucken, D-66115Germany
SPF Institute fur SolartechnikHochschule fur Technik RapperswilOberseestrasse 10Rapperswil CH-8640Switzerland
TUV Rheinland Immissionsschutz und Energiesysteme GmbH CologneGermany 51105
Laboratories Offering SRCC Accredited Testing Programs
Pending as of October 2009:1 Canada2 Europe4 US
