*Policy Report, IEA-OES, 2006 +IEA Statistics for 2004
FORM OF OCEAN ENERGY ESTIMATED GLOBAL RESOURCES*
(TWH/YEAR)
PRESENT GLOBAL ELECTRICITY
PRODUCTION (TWH/YEAR)+
Tides
Waves
Tidal (Marine) Current
Thermal Gradient
Salinity Gradient
300+
80 000
800+
10...
More
*Policy Report, IEA-OES, 2006 +IEA Statistics for 2004
FORM OF OCEAN ENERGY ESTIMATED GLOBAL RESOURCES*
(TWH/YEAR)
PRESENT GLOBAL ELECTRICITY
PRODUCTION (TWH/YEAR)+
Tides
Waves
Tidal (Marine) Current
Thermal Gradient
Salinity Gradient
300+
80 000
800+
10 000
2 000
17 400
INTERNATIONAL ENERGY AGENCY | IMPLEMENTING AGREEMENT ON OCEAN ENERGY SYSTEMS
OCEAN ENERGY
OPPORTUNITY, PRESENT STATUS AND CHALLENGES
GLOBAL RESOURCE
Available global Ocean Energy resource is in the same order of magnitude
of the present electricity production worldwide.
Five basic forms for Ocean Energy can be harvested to generate electricity and fresh water by various means.
EXAMPLES OF SELECTIVE CONVERSION TECHNOLOGIES
& DEMONSTRATION PROJECTS WORLD-WIDE
OE Buoy
Floating OWC system
Sea testing in Galway Bay Test
Site, Ireland
(Ocean Energy Ltd, Ireland)
Pelamis
Floating, articulated device
Assembling of the first offshore wave
farm off Northern Portugal
(Ocean Power Delivery, UK)
Wave Dragon
Slack-moored overtoppi
Less
