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Orec DOE summary


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OREC Summary of DOE Public Meeting on Information Needs for Resource Assessment and Design Conditions for Offshore Renewables

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Orec DOE summary

  1. 1. Summary prepared by Richard Dart for OREC
  2. 2. Challenges & Gaps <ul><li>Goal: Identify challenges and gaps for offshore renewables to further knowledge and develop a tactical plan for offshore deployment </li></ul>
  3. 3. What is it? <ul><li>The following is a list of challenges and gaps from various points of view. </li></ul><ul><li>The challenges and gaps were developed by experts from industry, academia and government </li></ul>
  4. 4. Energy Projections & Performance <ul><li>CHALLENGES </li></ul><ul><li>Temporal/spatial variability of resources </li></ul><ul><li>Lack of data </li></ul><ul><li>Model validation </li></ul><ul><li>Instrumentation including remote sensing </li></ul><ul><li>Data and modeling (extreme events, hurricanes etc) </li></ul><ul><li>Uncertainty/ data quality </li></ul>
  5. 5. Knowledge/Requirements <ul><li>Accurate characterization of wake losses </li></ul><ul><li>Dynamic info system for sitting and array design </li></ul><ul><li>Homogenous baseline data before and after deployments </li></ul>
  6. 6. Knowledge/Requirements <ul><li>Integrated marine data sets (atmosphere and ocean) </li></ul><ul><li>Enhanced data managements and sharing methods (particularly including the private sector) </li></ul>
  7. 7. GAPS <ul><li>Metocean profiles to 200M at relevant locations including horizontal variability </li></ul><ul><li>New robust remote sensing technologies </li></ul><ul><li>Centralized metocean data </li></ul><ul><li>International collaborations </li></ul>
  8. 8. GAPS <ul><li>Database for extreme events </li></ul><ul><li>Enhanced IEC standards for large systems and offshore applications </li></ul><ul><li>Air-Sea coupling physics (with waves) </li></ul><ul><li>Connections between geophysical conditions and operational loss factors </li></ul>
  9. 9. Operations Planning & Sight Safety <ul><li>CHALLENGES: </li></ul><ul><li>Operations and maintenance </li></ul><ul><li>Extreme event respons </li></ul><ul><li>Safety (public and operational) </li></ul><ul><li>Installation and construction </li></ul><ul><li>Monitoring/current </li></ul>
  10. 10. Challenges <ul><li>Future (next hour to next decade predictions) </li></ul><ul><li>Adapt to offshore environment ( wind chill) </li></ul>
  11. 11. GAPS & CONCERNS <ul><li>Scour/bottom type </li></ul><ul><li>Lightning </li></ul><ul><li>Air/Precipitation </li></ul>
  12. 12. FACILITY DESIGN: CHALLENGES <ul><li>Design for extreme events </li></ul><ul><li>Lack of guidance/standardization methodology for determining site specific design conditions </li></ul><ul><li>Validation of models </li></ul><ul><li>Reducing uncertainties-both investment and environmental risks </li></ul>
  13. 13. CHALLENGES <ul><li>Keeping devices in the water </li></ul><ul><li>Costs and availibilty of material and feasible designs </li></ul>
  14. 14. GAPS <ul><li>Common data </li></ul><ul><li>Validation of remote sensing technologies for financing purposes </li></ul><ul><li>A complete wind solar profile </li></ul><ul><li>Array simulation capabilities needed to optimize facility layout </li></ul>
  15. 15. GAPS <ul><li>High fidelity structural & aerodynamic device simulation capabilities are needed </li></ul><ul><li>More observation for site characterizations </li></ul>
  16. 16. FORECASTING: CHALLENGES <ul><li>Lack of good data for wind and wave coupling </li></ul><ul><li>No real time financial incentive to get better/longer data </li></ul><ul><li>No real info on what the industry needs </li></ul><ul><li>Lack of public/private interaction </li></ul><ul><li>Data sharing across the industry </li></ul>
  17. 17. GAPS <ul><li>High performance computing </li></ul><ul><li>Data on ocean temperature,salinity, density,waves, currents </li></ul>
  18. 18. TECHNOLOGY DESIGN & VALIDATION <ul><li>CHALLENGES: </li></ul><ul><li>Cost competitive designs </li></ul><ul><li>Reliable/durable technologies </li></ul>