Solar American Cities, Accerlerating Solar Energy Adoption at a Local Level


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Presenter: Otto Van Greet, National Renewable Energy Laboratory

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  • Important notes: 5540 has a much flatter demand, so the PV system is a bit oversized for that need in the summer as shown in this graphic.
  • Solar American Cities, Accerlerating Solar Energy Adoption at a Local Level

    1. 1. Solar America Cities“Accelerating Solar Energy Adoption at a Local Level”<br />Otto Van Geet, PE<br />National Renewable Energy Laboratory (NREL)<br />Solar Energy Technologies Program (SETP)<br />U.S. Department of Energy<br />
    2. 2. DOE’s Approach to Solar Market Transformation<br />GOALReduce market barriers to, and promote market expansion of, solar energy technologies through non-R&D activities.<br />Activities<br /><ul><li>Solar America Board for Codes and Standards
    3. 3. Workforce Development
    4. 4. State Technical Outreach
    5. 5. Utility Technical Outreach
    6. 6. Government Solar Installation Program
    7. 7. Solar America Showcases
    8. 8. Solar America Cities</li></li></ul><li>Solar America Cities<br />GOALAccelerate solar adoption in <br /> the nation’s electricity load <br /> centers by supporting cities’ <br /> innovative efforts. <br />Solar America Cities contribute to the President’s energy goals of creating green jobs, building domestic renewable energy capacity, and reducing greenhouse gas emissions<br />
    9. 9. Solar America Cities <br />SELECTION PROCESS<br />Competitive awards granted to cities of<br />100,000 or more committed to:<br /><ul><li>achieving a sustainable solar infrastructure
    10. 10. through a comprehensive, city-wide approach
    11. 11. that facilitates mainstream adoptionof solar
    12. 12. and serves as a modelfor other cities to follow. </li></li></ul><li>The 25 Solar America Cities<br />
    13. 13. Solar America City Partnerships <br />Financial Assistance: <br />~$200,000 per city<br />Technical Assistance: <br />~$250,000 per city<br />Multi-institutional “tiger teams” of solar experts provide tailored assistance based on city’s needs<br />
    14. 14. Solar America City Projects<br /><ul><li>Streamlined permitting
    15. 15. Solar access laws
    16. 16. Building/zoning code review
    17. 17. Creative financing programs
    18. 18. Economic development studies
    19. 19. Workforce development
    20. 20. Code official/installer training
    21. 21. K-12 Education
    22. 22. Solar Mapping
    23. 23. Public outreach</li></li></ul><li>What Makes Solar America Cities Unique?<br /><ul><li>Federal/City partnership
    24. 24. Financial assistance PLUS hands-on Technical Assistance to Cities
    25. 25. Strong City and DOE network facilitates information sharing and replication potential. </li></li></ul><li>Solar America Cities – Maximizing the Network<br />Outreach Tools<br /><ul><li>Annual Meeting
    26. 26. Solar America Cities website
    27. 27. Regional workshops</li></ul>Crosscutting Analysis<br /><ul><li>Solar mapping
    28. 28. Interconnection in area/spot networks
    29. 29. Creative financing
    30. 30. Rate structures</li></li></ul><li>San Diego PV Rate Analysis<br /> Slide 10<br />
    31. 31. Visual of TOU rate and PV System<br />
    32. 32. Winter 5530 Kiowa Load Profile<br />
    33. 33. Summer 5530 Kiowa Load Profile<br />
    34. 34. Winter 5540 Kiowa Load Profile<br />
    35. 35. Summer 5540 Kiowa Load Profile<br />
    36. 36. Discussion/Conclusion<br />time of use (TOU) rates provide the most savings to grid connected PV systems where the system peak is coincident with the utility peak, when the utility places the highest value on reduced consumption<br />increased demand charges relative to energy charges do not increase the economic value of these two solar systems (because the system performance may be compromised in one 15-minute interval and all benefit of the demand savings are lost)<br />changes in peak timing did not have a major effect on the economics of the system over the course of a year (because the rates tested all had peak times coincident with high PV production, changes in the peaks did not have an impact)<br />
    37. 37. Roof Estimate - Residential<br />SanGIS parcel database<br />Parcel size<br />Parcel classification (single family residence, duplex, store, etc.)<br />Taxable value (land, improvements, total)<br />
    38. 38. Roof Estimate - Residential<br />2002 American Housing Survey (AHS) for San Diego Metro Area<br />Residential building area and number of stories by different characteristics<br />Attributes<br />Used:<br />Value<br />Lot Size<br />
    39. 39. Roof Estimate - Residential<br />Build statistical relationships between AHS data to build estimates by parcel size and value <br />Relationship driven to median/higher proportion occurrences<br />Explored use of Census demographic variables but better estimates were generated through parcel specific data<br />Doesn’t account for property specific shading issues<br />
    40. 40. Contact Information:Otto Van Geet<br />NRELEmail: <br /><br />Phone: 303-384-7369<br />on the web:<br /><br />Sign up for SETP quarterly newsletter by emailing:<br /> Slide 20<br />Thank You<br />