Puget Sound Tidal EnergyPuget Sound Tidal EnergyUsingUsing

Tidal In-Stream Energy Conversion DevicesTidal In-Stream Energy Conversion Devices(TISEC)(TISEC)

www.pstidalenergy.orgwww.pstidalenergy.orgDaryl WilliamsTulalip Tribes

IntroductionIntroduction

• Proposed Project LocationsProposed Project Locations

• How they WorkHow they Work

• BenefitsBenefits

• Potential ImpactsPotential Impacts

• SummarySummary

Proposed Project LocationsProposed Project Locations

• Admiralty Inlet Admiralty Inlet (FERC 12690 & 12742) (FERC 12690 & 12742)

• Agate Passage Agate Passage (FERC 12691) (FERC 12691)

• Deception Pass Deception Pass (FERC 12663 & 12787) (FERC 12663 & 12787)

• Guemes Channel (FERC 12698)Guemes Channel (FERC 12698)

• Rich Pass Rich Pass (FERC 12688) (FERC 12688)

• San Juan Channel (FERC 12691)San Juan Channel (FERC 12691)

• Spieden ChannelSpieden Channel (FERC 12612) (FERC 12612)

• Tacoma Narrows (FERC 12612)Tacoma Narrows (FERC 12612)

How Do They Work?How Do They Work?

• TISEC Devices are designed Similar to TISEC Devices are designed Similar to Wind Farms using Tidal Currents to Wind Farms using Tidal Currents to spin the turbines.spin the turbines.

• Three Basic designs for the turbines.Three Basic designs for the turbines.

• Four Types of Anchoring Systems.Four Types of Anchoring Systems.

Turbine TypesTurbine Types

Verdant Corporation

GCK Technologies CorporationGorlov Helical Turbine

Marine Current TurbineCorporation

UEK Corporation

Lunar Energy Corporation

BenefitsBenefits

• Predictable Renewable Power Predictable Renewable Power ProductionProduction

• No EmissionsNo Emissions• 1 Tidal Turbine ~ 45 Wind Turbines for 1 Tidal Turbine ~ 45 Wind Turbines for

Energy ProductionEnergy Production• Possibility of off-Setting needs for Possibility of off-Setting needs for

Fossil Fuel Generators and Hydro-Fossil Fuel Generators and Hydro-PowerPower

Potential ImpactsPotential Impacts

• High Cost PowerHigh Cost Power

• No Studies have been completed Looking at No Studies have been completed Looking at the Impacts to Fish and Wildlife Resourcesthe Impacts to Fish and Wildlife Resources– Salmon MigrationSalmon Migration– Marine Mammal MigrationMarine Mammal Migration– Bottom Fish HabitatBottom Fish Habitat– ShellfishShellfish– Migratory BirdsMigratory Birds– Reduced Current VelocityReduced Current Velocity– Impacts to Fish HarvestImpacts to Fish Harvest

Impacts to Planning Impacts to Planning ProcessesProcesses

How would development of these projects How would development of these projects affect planning processes?affect planning processes?

• Salmon Recovery PlansSalmon Recovery Plans

• Orca Recovery PlansOrca Recovery Plans

• Bottom Fish Recovery PlansBottom Fish Recovery Plans

• Oil Spill Containment and Clean-up PlansOil Spill Containment and Clean-up Plans

• Puget Sound Partnership RecommendationsPuget Sound Partnership Recommendations

• Salmon Management PlansSalmon Management Plans

SummarySummary

• The Technology is new and experimental.The Technology is new and experimental.• Potential benefits may offset other Potential benefits may offset other

environmentally damaging sources.environmentally damaging sources.• Potential affects to natural resources are Potential affects to natural resources are

currently unknown, but could be severe.currently unknown, but could be severe.• Development of these projects could limit Development of these projects could limit

access to areas for harvests.access to areas for harvests.• New Information needs to be developed to New Information needs to be developed to

adequately balance the benefits vs. impacts.adequately balance the benefits vs. impacts.

• New Web Site developed as a clearinghouse for New Web Site developed as a clearinghouse for information. information. http://pstidalenergy.orghttp://pstidalenergy.org