Ctws ocean energy thresher

Ctws ocean energy thresher

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  Ocean Renewable Energy: OffshoreWind, Wave & Tidal Power The Washington State Ocean Energy Conference: Deep Water Wind and Ocean Energy Economy Bremerton, Washington November 8 & 9, 2011 Presented by Robert Thresher, NREL Research Fellow National Wind Technology Center NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy operated by the Alliance for Sustainable Energy, LLC
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  Energy sources inthe United States in 2009 National Renewable Energy Laboratory Innovation for Our Energy Future
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  Most U.S. OffshoreWind Resource is in Deep Water GW by Depth (m) Region 0 - 30 30 - 60 > 60 New England 100.2 136.2 250.4 Mid Atlantic 298.1 179.1 92.5 S. Atlantic Bight 134.1 48.8 7.7 California 4.4 10.5 573.0 Pacific Northw est 15.1 21.3 305.3 Great Lakes 176.7 106.4 459.4 Gulf of Mexico 340.3 120.1 133.3 Haw aii 2.3 5.5 629.6 Total 1,071.2 628.0 2,451.1 Assumptions: 5 MW/km2 7 m/s and greater 0-50nm for shore National Renewable Energy Laboratory Innovation for Our Energy Future
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  Wind Technology Evolution • Land Based Technology > 2 MW; Turbine 50% Total Installation Cost • Offshore Technology > 5 MW; Turbine 25% Total Installation Cost • Land Based Turbine Size Constrained by Highway Transport • Turbine Stiffness & Dynamic Coupling Driving Design Innovation National Renewable Energy Laboratory Innovation for Our Energy Future
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  Future Research onOffshore Wind Technology Land-based Shallow Water Transitional Depth Deepwater Floating Technology Technology Technology Technology Offshore Wind Technology Current Development Technology National Renewable Energy Laboratory Innovation for Our Energy Future
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  Shallow Water BottomMounted: GE project at Arklow Banks in the Irish Sea Photo: R. Thresher National Renewable Energy Laboratory Innovation for Our Energy Future
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  Principle Power 2-MWDemonstration Characteristics Country/Sponsor: Portugal Major Partners: Vestas, EDP Turbine Size/Description: Vestas V-80, 2 MW wind turbine Deployment date : September 2011 Platform Type: Three – tank semisubmersible – 6 line mooring Site: Aguçadoura, Portugal Water Depth 40 to 50-m Approximate Budget: $ 25M USD Opportunities: The PPI WindFloat semi-submersible wind system is scheduled for installation and commissioning off the Portuguese coast in Sept 2011. The installation includes a grid- connected Vestas V80 2-MW wind turbine. Testing for at least 12 months is planned and will focus on performance validation. An EU Framework 7 award increased their testing capability. National Renewable Energy Laboratory Innovation for Our Energy Future
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  NREL Dynamic SimulationTool: HydroDyn Dynamic Analysis of Wind and Wave Interactions is an Important Technical Challenge for Floating Turbine Designs National Renewable Energy Laboratory Innovation for Our Energy Future
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  Visualization of AvianInteraction Zones Windfarm Flight Zone Over-flight Fatality Risk Strike Zone Fly-thru Rotor Zone National Renewable Energy Laboratory Innovation for Our Energy Future
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  Avian Strike ProbabilityVersus Turbine Size Altamont Scale Next Generation Scale 93 Meter Diameter and 2.5MW 15 Meter Diameter and 100 kW National Renewable Energy Laboratory Innovation for Our Energy Future
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  Three Basic Formsof Marine Hydrokinetic (MHK) Energy CURRENTS • Activating force flows in same direction for at least a few hours • Tidal, river, and ocean variants • Conversion technology is some sort of submerged turbine WAVES • Activating force reverses direction every 5 to 20 seconds • Conversion technology can be floating or submerged, with a wide variety of devices still being invented and developed OCEAN THERMAL • A heat engine operating on the temperature difference between hot surface water and cool water at 1000 meters. • Several possible thermodynamic cycles • Conversion technology is on a floating platform with a long pipe to deep water National Renewable Energy Laboratory Innovation for Our Energy Future
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  The Many WaveEnergy Technologies National Renewable Energy Laboratory Innovation for Our Energy Future
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  The Several Tidal,River and Ocean Current Technologies National Renewable Energy Laboratory Innovation for Our Energy Future
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  Minnesota – EconomicImpacts from 1000 MW of new wind development Wind energy’s economic “ripple effect” Direct Impacts Indirect & Totals Induced Impacts (construction + 20yrs) Payments to Landowners: • $2.7 million/year Construction Phase: Total economic benefit = Local Property Tax Revenue: • 1530 new jobs $1.1 billion • $2.8 million/year • $150.6 M to local New local jobs during Construction Phase: economies construction = 2985 • 1455 new jobs Operational Phase: • $188.5 M to local economies New local long-term jobs Operational Phase: • 177 local jobs • 232 new long-term jobs • $18.2 M/yr to local = 409 • $21.2 M/yr to local economies economies Construction Phase = 1-2 years Operational Phase = 20+ years National Renewable Energy Laboratory Innovation for Our Energy Future
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  Questions? Photo courtesy of Oceanenergy Robert Thresher, NREL Research Fellow [email protected] National Renewable Energy Laboratory Innovation for Our Energy Future