Next Generation/Unconventional Hydropower
Wave & Tidal Energy Devices… and More!
Renewable Energy Modeling Workshop on Hydroelectric PowerMay 10, 2005
Unconventional Hydropower
Wave Energy Devices: Two Basic FamiliesWave Power SystemsOscillating Water Columns (OWC)
Tidal Energy Devices: Four Basic FamiliesAxial-flow TurbinesCross-axis TurbinesLift or Flutter VanesHydraulic Tapped Ducted Systems
… and More!
Wave Energy Devices
EPRI Phase I Study: Project Definition Study, Offshore Wave Power Feasibility Demonstration Project; Final Summary Report, E2I EPRI Global WP 009, Roger Bedard et al., January 14, 2005http://www.epri.com/attachments/297213_009_Final_Report_RB_01-14-05.pdf
Wave Energy Conversion Devices: Eight Units
Unit Company LocationPelamis Ocean Power Delivery, LTD Edinburgh, ScotlandOWC Energetech Australia, ConnecticutWave Dragon DenmarkWave Swing TeamWorks NetherlandsAquaBuoy AquaEnergy Washington, USASea Dog Indep. Natural Res. Inc. Minnesota, USAMRC 1000 Orecon UKWave Bob UK
Floating Buoy Ocean Power Technologies New Jersey, USA
Wave Power Systems:AquaEnergy Group
Wave Power Systems:Ocean Power Delivery
“The Pelamis” Wave Energy Converter& The European Marine Energy Center (EMEC)
OWC:Wavegen
Limpet Power Station
World Wave Energy Resource
Wave Energy: US Resource Assessment
Available U.S. Wave Energy Resource Base:2,300 TWh/yr
At 24% of available base at 50% conversion efficiency =
All conventional U.S. hydropower = 270 TWh/yr
Wave Energy: Development Status
U.S. Licensing and Permitting: Projects and Issues
Kaneohe Bay, HI – Ocean Power Technologies – US Navy/Federal Government
Makah Bay, WA – Aqua Energy Group, FERC ALP UnderwayPort Judith, RI – Energetech, FERC Dialogue
Federal Agency Jurisdiction – FERC, ACoE, NOAA, DoI/MMS
European Marine Energy Center Test Facility
Pre-Commercial Prototypes DeployedOcean Power Delivery, Pelamis at EMECOcean Power Technologies, Kaneohe Bay
Wave Energy: Development Status
Costs and Cost ProjectionsUtility Generator Commercial Plan after Tax Incentives (300,000 mWhr/yr)
Total Plant Investment - $238-279MCost of Energy – 9.2 –11.2 cents/kWh
“Levelized cost of wave-generated electricity is less than wind-generated electricity at any equal cumulative production volume under all cost estimating assumptions for the wave plant.”
Market Penetration Timeframe2012 –2015
Economic Cost ChallengesDeployment, Recovery, Mooring, Operations and Maintenance
Tidal Energy Devices:Axial-flow Turbines
Hammerfest Stroem (Norway)Lunar Energy (UK)Marine Current Turbines (UK)SMD Hydrovision (UK)
Verdant Power (US):Axial-flow Turbines
More Than 120 Tidal Power Locations in North America
Each Location Has Multiple Sites (Avg. 5 MW each)
Excellent Means of Distributed Generation (DG)
Quick Construction
Modular Design
Short-term Financing
30-40% Capacity Factor
First DG Tidal Project:
New York’s East River
(10 MW)
New York’s East River R.I. Tidal Energy Project
RITE Project Turbine
Tidal Energy Devices: Cross-axis Turbines
Second DG Tidal Project:Massachusetts’s Merrimack RiverCross-axis Turbine:Gorlov Helical TurbineIntegration with East River Project’s Systems PlatformOther Cross-axis Turbines:Cycloidal Turbine
Tidal Energy Devices:Other Systems
Lift or Flutter VanesOscillating Cascade
Hydraulic Tapped DuctedHydroVenturi
… and More!Manmade Channels
… and More!Cross-axis & Cross-flow
Free-flow Hydropower: North American Potential
Distributed Generation & Incremental HydropowerVerdant Power Study: 120 Tidal Locations = 1,200 MWNYU Study: Riverine Locations = 12,500 MWDOE / INEL Study: Riverine Systems = A range from 21,400 MW to 170,000 MWFERC: (considering manmade channels) = 72,000 MWCanadian Resources Board: (three main river reaches and 13 tidal cross-sections) = 110 TWh per year Independent Analysis: Gulf Stream = 685,000 MW
Free Flow Hydro: Development Status
U.S. Licensing and Permitting: Projects and IssuesUS – East River Permits- ACoE, NYS DEC; Fish Impacts?FERC – Grid Connection for Operational TestingNHA – Leading effort at streamlining/new process for pilots
European Marine Energy Center Test Facility –Under Development to be operational in late 2005UK 2005 Marine Energy Budget – 50M Pounds
Pre-Commercial Prototypes DeployedMarine Current Turbines – Devon, UKGCK Technology – South KoreaVerdant Power – East River, Aug/Sept 2005
Free Flow Hydro: Development Status
Costs and Cost ProjectionsRITE Project 5MW: Installation Cost - $4,300/kW
Operating Cost – $.07-.09 kWh free-flow
Market Penetration Timeframe2010 - 2012
Economic Cost ChallengesPermitting/Licensing, Deployment, O&M
Free-flow Hydropower
Contact Information
Ron SmithVerdant Power
Phone: 703-204-3436, 703-328-6842 (M)Email: [email protected]: www.verdantpower.com
