Solar Rooftop Capacity Study

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Research proposal for the evaluation of the generation capacity of solar systems on commercial rooftops. Use of GIS to map roofspace and develop a model for calculation of output per square meter and best practices for a commercial install.

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Solar Rooftop Capacity Study

  1. 1. Team Project Commercial Solarscapes Mike Dobbins
  2. 2. <ul><li>Reduce the wasteful use of water by the power industry </li></ul><ul><li>Shift the economics of power generation to sustainable local systems </li></ul><ul><li>Lower the use of fossil fuels and generation of CO 2 </li></ul><ul><li>Reduce future demand for more power plants </li></ul><ul><li>Address Social and QOL issues </li></ul>Overarching Goals
  3. 3. Austin Energy <ul><li>Non-Profit </li></ul><ul><li>Focused on power delivery, not generation </li></ul><ul><li>Current power sources </li></ul><ul><ul><li>Coal * </li></ul></ul><ul><ul><li>Nuclear * </li></ul></ul><ul><ul><li>Bio-gas </li></ul></ul><ul><ul><li>Wind </li></ul></ul><ul><ul><li>Natural Gas/Fuel Oil* </li></ul></ul><ul><ul><li>Small efforts in solar- This is the opportunity point </li></ul></ul><ul><li>Strong supporter of renewable and alternative energy sources and resource conservation </li></ul>
  4. 4. Solar in Austin <ul><li>300+ sunny days per year </li></ul><ul><li>Not a lot of open unused space </li></ul><ul><li>Lots and lots of roofs </li></ul>
  5. 5. Rooftop Solar in Austin <ul><li>Residential vs. Commercial </li></ul><ul><ul><li>Residential </li></ul></ul><ul><ul><ul><li>Lots of tiny roofs </li></ul></ul></ul><ul><ul><ul><li>Thousands of stake holders </li></ul></ul></ul><ul><ul><ul><li>Low adoption </li></ul></ul></ul><ul><ul><ul><li>Tough sell </li></ul></ul></ul><ul><ul><li>Commercial </li></ul></ul><ul><ul><ul><li>Lots of huge roofs </li></ul></ul></ul><ul><ul><ul><li>Few stakeholders </li></ul></ul></ul><ul><ul><ul><li>Burgeoning acceptance </li></ul></ul></ul><ul><ul><ul><li>Low Hanging Fruit </li></ul></ul></ul>
  6. 6. Project Goal <ul><li>Develop an inventory of commercial roof tops applicable for solar systems </li></ul><ul><li>Develop an estimate of generation potential using these roof tops </li></ul><ul><li>Investigate applicable technologies </li></ul><ul><li>Economic and generation Proof-of-concept (will it work) </li></ul><ul><li>Determine (if possible ) if commercial roof top solar systems will actually achieve the Overarching Goals </li></ul><ul><ul><li>Lower water use or growth of use at generation facilities </li></ul></ul><ul><ul><li>Reduce reliance on fossil fuels </li></ul></ul><ul><ul><li>Etc. </li></ul></ul>
  7. 7. The Plan <ul><li>Inventory of applicable commercial roof space </li></ul><ul><li>Map showing prime properties </li></ul><ul><ul><li>GIS & database if possible </li></ul></ul><ul><li>‘ Best-Practices’ and/or ‘State of the Industry’ </li></ul><ul><ul><li>Installation </li></ul></ul><ul><ul><li>Technology (current and future) </li></ul></ul><ul><li>Estimation of Generation Potential </li></ul><ul><ul><li>How many Kwh generated based on acceptance </li></ul></ul>
  8. 8. <ul><li>Benefits to Austin Energy </li></ul><ul><ul><li>Less load demand during peak times </li></ul></ul><ul><ul><li>Offset future demand for more generation/plants </li></ul></ul><ul><ul><li>Lower need to purchase fossil fuels </li></ul></ul><ul><ul><li>Lower water use (my primary goal) </li></ul></ul><ul><li>Value to End-user </li></ul><ul><ul><li>Cost savings </li></ul></ul><ul><ul><li>‘ Good-will’ </li></ul></ul><ul><ul><li>TBD </li></ul></ul>The Payoff (What we hope to show)
  9. 9. <ul><li>Value to Austin </li></ul><ul><ul><li>Lower power generation cost leading to lower consumer cost </li></ul></ul><ul><ul><li>Lower local water budget (less pumping from aquifer and river) </li></ul></ul><ul><ul><li>Austin can become a solar hub </li></ul></ul><ul><ul><ul><li>Solar industries locate to Austin </li></ul></ul></ul><ul><ul><ul><li>Prestige </li></ul></ul></ul><ul><ul><ul><li>Local investment </li></ul></ul></ul><ul><ul><ul><li>Cleaner local environment </li></ul></ul></ul><ul><ul><ul><li>QOL increases </li></ul></ul></ul><ul><ul><ul><ul><li>Jobs </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Local economy </li></ul></ul></ul></ul><ul><ul><li>Lower air pollution </li></ul></ul><ul><ul><ul><li>Austin is currently at non-attainment </li></ul></ul></ul>
  10. 10. Resources and Requirements <ul><li>Quite a bit of phone and face time with sources </li></ul><ul><li>Screen time determining assets </li></ul><ul><li>Some quantitative analysis </li></ul><ul><li>Quite a bit of qualitative analysis </li></ul><ul><li>GIS and database – if possible </li></ul><ul><li>Some field trips to see installations, meet vendors and/or clients </li></ul>

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