Wave Energy Conversion for French Polynesia

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1 Wave Energy Conversion for French Polynesia AGENDA 1) Introduction to Wave Energy 2) Wave Energy in French Polynesia 3) CalWave Potential

2 Ocean Energy or Marine Hydrokinetics (MHK) Ocean Energy Technology Worldwide Theoretical Power Potential [TWh/year] Thermal 44,000 Current 50,000 Tidal 1,200 Wave 29,500 Source: Renewable energy policy network for the 21st century: RENEWABLES 2012 GLOBAL STATUS REPORT, Ocean Energy Systems: An International Vision for Ocean Energy,

3 WAVE ENERGY Global Resource 3

4 Wave Energy Converter (WEC) Classification Location Deep Water Submerged Deep Water Floating Shallow Water Bottom Mounted Shore Based

5 Wave Energy Conversion for French Polynesia AGENDA 1) Introduction to Wave Energy 2) Wave Energy in French Polynesia 3) CalWave Potential

6 WAVE ENERGY Maximum Practical Resource French Polynesia: kw/m Average Annual Resource 6

7 Current Energy Mix and Goal for 2030 PV 10% 2016 Wave 20% 2030 Thermal 20% Hydro 30% Thermal 60% PV 30%? Hydro 30% 7

8 What Options are available for French Polynesia? 8

9 Important Issues of Wind and Solar Energy Ugly Vast amount of land required 9 Polluting (rare-earth metals, cadmium) etc..) Mismatch between output and demand 9

10 Wave Energy Solves the Issues of Wind and Solar Energy Issues of Wind and Solar Wave Energy instead is 1 Ugly Invisible 2 Land required Concentrated10X 3 Demand mismatch Consistent & predictable 10

11 Rendering of Deployed Device 11

12 Wave Energy Conversion for French Polynesia AGENDA 1) Introduction to Wave Energy 2) Wave Energy in French Polynesia 3) CalWave Potential

13 Innovative Wave Power Absorption: Inspired by Nature

14 Optimized Shallow Water Prototype reached over 60% Efficiency

15 Adaptation to Deep Water 15

16 CalWave has 3 Unique Features Energy absorption in 3 directions: Very high efficiency On board storage: Power output smoothening Vertical movement along the water column: Optimal operational conditions Switch-off capability 16

17 CalWave has 3 Distinct Products: A Dampen Waves B Produce Electricity C Pressurize Water Manage Structural Load Protect Coral Reefs On-shore: Baseload Power Energy Storage Off-shore: Research Stations Autonomous Vehicle Docking Salt Water: Circulation for Aquaculture Pressurized Water for Cleaning Desalinated Water: Secure Drinking Water Irrigation for Gardening 17

18 Introducing CalWave Power Technologies Marcus Lehmann, MS Project Lead, Cyclotron Road Nigel Kojimoto, MS Lead of Mechanical System Design Thomas Boerner, MS, MS Lead of Hydrodynamic Simulations Bryan Murray, BS Lead of Power Electronics 18

19 UC Berkeley Proof of Concept Okt 15 Dez 17 November 15 UC Berkeley Wave Tank Januar 16 Uni. Iowa Juni 16 University of Maine September 16 Navy MASK Basin Oktober 17? 19

20 University of Iowa Full System Assembly Okt 15 Dez 17 November 15 UC Berkeley Wave Tank Januar 16 Uni. Iowa Juni 16 University of Maine September 16 Navy MASK Basin Oktober 17? 20

21 University of Maine Controls Testing and Extreme Events Okt 15 Dez 17 November 15 UC Berkeley Wave Tank Januar 16 Uni. Iowa Juni 16 University of Maine September 16 Navy MASK Basin Oktober 17? 21

22 U.S. Navy s Indoor Ocean Realistic and Extreme Seas Power Calculation Okt 15 Dez 17 November 15 UC Berkeley Wave Tank Januar 16 Uni. Iowa Juni 16 University of Maine September 16 Navy MASK Basin Oktober 17? 22

23 Scaled Testing in U.S. Wave Energy Prize 23

24 Testing on Moorea? 24

25 Partners 25

26 Capabilities & Services Concepts Offshore Design & Hydrodynamic Analysis Project Management for Offshore Projects (e.g. Deployment) Model Scale Experimental Concept Testing (Early stage iterations important) Access to Wave Tank, Computational Tools,. 26

27 Bonus Slides 27

28 Closer Look: Bora Bora Monthly Wave Height and Period Variability (Bosserelle C., Reddy S., Lal D., (2015) WACOP wave climate reports. French Polynesia, Bora Bora. Secretariat of the Pacific Community.) 28

29 CalWave Energy kw/m: Assuming 10m wide device: Assuming 50% Capture Ratio: For 8,760 hours/year: 10*25 = 250 kw resource potential 0.5*250 = 125kW average power 8760*125 = 1,095 MWh/year What are the power requirements in French Polynesia? 29

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