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Marine

Power from a “Wave Carpet”

Written by , on February 7, 2014

University of California Berkeley professor Reza Alam and his team have developed a "wave carpet" which can extract the energy of ocean waves and turn it into electricity or fresh water The "wave carpet" is a rubber mat which sit on top of a grid of hydraulic actuators, cylinders and pumps, on a muddy ocean […]  Read more »

World’s First Wind/Current Generator

Written by , on August 2, 2013

Mitsui Ocean Development and Engineering Company has developed the world's first hybrid wind and marine current generator. The device consists of a floating, vertical axis wind turbine with a "keel" made up of a current turbine. The omnidirectional Darrieus wind turbine.rotates regardless of the wind direction. The generator is located at the base of the […]  Read more »

Italy to Get Wave Power Plant

Written by , on May 24, 2013

UK based 40South Limited is to install a 150 kilowatt wave power module outside Livorno Port in Tuscany. The device uses two connected buoyant sections that sit one above the other at different depths. The lower section is moored to the seabed. The arms that connect them move inside each other like pistons, generating power […]  Read more »

Belgium Planning to Build an Island to Store Wind Energy

Written by , on January 18, 2013

A spokeswoman for Belgium's North Sea Minister, Johan Vande Lanotte, has revealed plans to build an artificial island in the North Sea to store wind energy. The plan is to build a donut-shaped island out of sand 3 kilometres off the Belgian coast near the town of Wenduine. Belgium is aiming to generate 2,300 megawatts […]  Read more »

Study: Current Technolgy Could Power the World

Written by , on January 28, 2011

According to a new study by Stanford researcher Mark Jacobson and Mark Delucchi, of the University of California-Davis, by 2030 all new energy generation could come from wind, water and solar, and by 2050, all pre-existing energy production could be converted to renewables, using only technology that is already available and at a similar cost […]  Read more »

Wave Energy from Undersea Wings

Written by , on December 15, 2010

The Florida Institute of Technology is testing a new technology to convert the energy produced by waves into electricity, The so-called Wing Waves work by tapping the elliptical motion of waves 20 to 30 metres beneath the surface and converting it into mechanical energy that can be used to generate power. Each trapezoid-shaped wing of […]  Read more »

Frank Fish’s Fin Fans Go To Sea

Written by , on November 25, 2010

Back in 2008, we wrote about the discovery by Dr Frank Fish that the bumps on humpback whale flippers gave the whales more power and manouverability (see Frank Fish’s Fin Fans) and the possibility of this being applied to the design of wind turbines. Now the US Navy has taken up the idea. US Naval […]  Read more »

Hundreds of Turbines Proposed for Mississippi River

Written by , on November 9, 2010

Free Flow Power has been granted rights to explore the potential for dozens of turbine locations along the 3,700 kilometre Mississippi Rriver. The company is working on a plan to install hundreds of 40-kilowatt hydrokinetic turbines, each the size of a large jet engine, along the bottom of the River. The project developers say that […]  Read more »

Wave-powered Desalination

Written by , on May 29, 2010

Independent Natural Resources Inc, has received a permit for a wave powered facility to desalinate water off the coast of Freeport, Texas. The company hopes that the system will be in operation by the end of the year. The facility will be a 25 by 50 metre platform under which there will be 18 of […]  Read more »

Australia Has Greatest “Blue Energy” Potential

Written by , on October 30, 2009

The term "blue energy" refers to salinity gradient power – the energy retrieved from the difference in the salt concentration between seawater and river water. The power is generated using osmosis with ion-specific membranes. Jan Post, at Wageningen University in the Netherlands, has researched the global potential for electric power generated in this way. His […]  Read more »