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Solar Energy Assessment for Community Energy Planning

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A comprehensive, multi-step approach to assessing solar energy opportunities for regional development and community energy planning is presented by Green Power Labs (Canada).

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Solar Energy Assessment for Community Energy Planning

  1. 1. Solar Energy Assessment for Community Energy Planning Dr. Alexandre Pavlovski, P. Eng., Green Power Labs Inc. Leonardo ENERGY Webinar - March 20, 2009
  2. 2. Overview <ul><li>Green Power Labs – Brief Introduction </li></ul><ul><li>Community Energy Planning – Why Solar? </li></ul><ul><li>Solar Resource Mapping based on Historical and Current Climatology Trends </li></ul><ul><li>Community Solar Suitability Mapping and SolarStar™ Rating </li></ul><ul><li>Solar Suitability Assessment of Buildings and Houses </li></ul><ul><li>SolarRating Online </li></ul>
  3. 3. Green Power Labs: Fields of Activities <ul><li>High resolution mapping, monitoring and forecasting of solar energy resources </li></ul><ul><li>Development of GIS-based decision support systems for community energy planning </li></ul><ul><li>Solar suitability assessment and rating of commercial and residential buildings and communities </li></ul><ul><li>Solar thermal and photovoltaic systems engineering </li></ul>Courtesy of Young + Wright Architects Inc.
  4. 4. Community Energy Planning: Why Start with Solar? <ul><li>Solar energy is always “in your hands”: you can take advantage of it or waste it </li></ul><ul><li>Available solar resource is a unique asset of every architectural design </li></ul><ul><li>Solar technologies can be matched with essential community energy needs </li></ul>Courtesy of Young + Wright Architects Inc.
  5. 5. Energy Prices and Lifecycle Costs: Solar Can Help <ul><li>Rising energy prices have dramatically increased building lifecycle costs. </li></ul><ul><li>Solar technologies for heating and power generation are a viable option to reduce these costs. </li></ul><ul><li>It is estimated over 1000 square miles of commercial roof space is available in the United States for on-site solar energy generation. </li></ul><ul><li>using our high resolution mapping and advanced imagery of site specific obstructions. </li></ul>Courtesy of Young + Wright Architects Inc.
  6. 6. <ul><li>Latitude </li></ul><ul><li>Microclimate </li></ul><ul><li>Altitude </li></ul><ul><li>Natural Landscape </li></ul><ul><li>Built Environment </li></ul><ul><li>Technology Efficiency </li></ul>Solar Energy Availability: System of Filters
  7. 7. Solar Resource Mapping based on Historical and Current Climatology Trends
  8. 8. Historical Solar Climatology for the province of Nova Scotia
  9. 9. Historical Solar Climatology for the province of Quebec
  10. 10. Historical Solar Climatology for the province of Ontario
  11. 11. GPLI developed ArcGIS toolset for mapping solar irradiance from satellite images
  12. 12. Current Solar Climatology for Strait-Highlands Region, Nova Scotia (2007)
  13. 13. Solar Suitability Mapping and SolarStar™ Rating
  14. 14. Dalhousie University, Halifax, Nova Scotia <ul><li>The largest post-secondary educational institution in the Maritime Provinces </li></ul><ul><li>A member of G13, a group of leading research-intensive universities in Canada </li></ul><ul><li>Student enrolment - 10,254 full-time undergraduate and 2,793 full-time graduate students (for 2007-08) </li></ul><ul><li>Infrastructure – over 60 facilities </li></ul>
  15. 15. Dalhousie University: 10-year Comprehensive Master Plan <ul><li>Major Objectives : </li></ul><ul><li>To guide improvements in space utilization and development </li></ul><ul><li>To guide capital budgeting and project implementation </li></ul><ul><li>To support the University’s strategic directions of sustainable development </li></ul><ul><li>Campus Energy Mapping – an integral part of Dalhousie master planning process </li></ul>
  16. 16. LIDAR-based Digital E levation Site M odel and 3D V isualisation Dalhousie University Campus, Halifax LIDAR – derived Digital Elevation Model allows for reconstruction of site features at ultra-high resolution
  17. 17. Campus-wide Solar Gain Mapping accuracies: 15 - 25 cm
  18. 18. SolarStar™ Suitability Rating <ul><li>Allows for easy comparison of commercial and residential properties for their suitability to solar energy generation. </li></ul><ul><li>Creates a standard for building professionals and the general public </li></ul><ul><li>Creates a convenient tool for labeling on-site solar energy generation potential </li></ul>
  19. 19. SolarStar™ Suitability Rating of the Campus Buildings
  20. 20. Solar Energy Generation Potential - Roofs (Solar Water Heating)
  21. 21. Solar Energy Generation Potential - Walls (Solar Air Heating)
  22. 22. Solar Energy Generation Potential Existing heavy fuel oil consumption by central heating plant: average annual consumption of oil: 161,634 MWh delivered at 65% efficiency:            105,062 MWh Possible solar share in heat supply: 21% Area (m2) Total Annual Solar Resource (MWh) Energy Generation Potential (MWh) Solar Suitable Roof Surface: 44,142 57,116 9,400 (SWH) Solar Suitable Wall Surface: 23,182 22,903 12,600 (SAH) TOTAL 80,019 22,000
  23. 23. Solar Suitability Assessment of Buildings and Houses
  24. 24. Site-Specific Solar Suitability Assessment <ul><li>A mandatory step in efficient deployment of solar technologies </li></ul><ul><li>Recommended for existing buildings or those still in the design stage </li></ul><ul><li>Allows for a well-informed decision on investment in solar technologies </li></ul><ul><li>Determines the applicability and the best mix of solar technologies </li></ul><ul><li>Enhances solar system engineering </li></ul>Courtesy of WHW Architects
  25. 25. Solar Microclimate and System Engineering 100% direct radiation at 45º Latitude 10% direct radiation at 45º Latitude Solar resource available (% of max)
  26. 26. Solar Suitability Assessment Toolset <ul><li>Accurately reflects solar micro climate based on high resolution satellite-derived radiation data </li></ul><ul><li>Incorporates advanced imagery of site specific obstructions and their impact on solar radiation </li></ul><ul><li>Forecasts solar system performance </li></ul><ul><li>Defines solar system payback period and return on investment </li></ul><ul><li>Defines reduction in carbon emissions </li></ul>
  27. 27. Solar Suitability Assessment: Dalhousie University, Sir Charles Tupper Building
  28. 28. <ul><li>Solar water heating </li></ul><ul><li>Solar air heating </li></ul>Solar Suitability Assessment: Dalhousie University, Sir Charles Tupper Building   Solar Water Heating Solar Air Heating Capital: $220,000 $160,000 Production: 40-50% of DHW 30% of heat load GHG Reduction: 29 t/y 51 t/y Payback Period: 12 years 6-7 years
  29. 29. Solar Suitability Assessment: Dalhousie University, Killam Memorial Library
  30. 30. Solar Suitability Assessment: Dalhousie University, Killam Memorial Library   SWH SAH Capital: $96,000 $110,000 Production: 40-50% of DHW 39% of heat GHG Reduction: 14 t/y 39 t/y Payback Period: 10-11 years 5-6 years
  31. 31. SolarRating Online for Solar Education and Promotion Green Power Labs created this interactive, educational online assessment tool to support efficient use of solar energy.
  32. 32. Thank You [email_address] www.greenpowerlabs.com 1 Research Drive Dartmouth Nova Scotia Canada B2Y 4M9 902 466 6475

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