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Wind Turbine Stores Energy

Written by , on September 25, 2015

A new technology stores excess wind turbine energy and releases it to drive the turbine when winds drop.  Read more »

10 Years of Progress in Renewables

Written by , on June 19, 2015

In its 2015 “Global Status Report”, REN21, the global renewable energy policy network, has summarised the increase in renewable energy capacity in the 10 years from 2004 to 2014. In 2004, global renewable power capacity (excluding hydro) was 85 gigawatts. In 2014, it reached 657 gigawatts.  Read more »

Owl Wing Design Could Make Wind Turbines Quieter

Written by , on June 16, 2015

Conservationists are concerned about the effects of the noise of wind turbines on wildlife and some people who live near turbines complain about their noise. Researchers led by Nigel Peake at the University of Cambridge have turned to owls for ideas about how to reduce the noise. Owls are famously silent predators, able to surprise […]  Read more »

Cheaper, Silent, Bladeless Wind Turbines

Written by , on May 17, 2015

In 1940, the newly built Tacoma Narrows Bridge began to vibrate violently and soon collapsed in windy conditions. Ever since, engineers have focused on ways of stopping their structures vibrating in this way. Now, a group of Spanish engineers is working to harness the energy potential of vibrating structures. Instead of using the wind to […]  Read more »

Airborne Turbine for Remote Sites

Written by , on October 2, 2014

Winds 300 to 600 metres above the ground are, on average 5 to 8 times as strong as those at the surface.

Altaeros, a four-year-old company in Massachusetts, has developed its Buoyant Airborne Turbine (BAT) to take advantage of these stronger, more consistent winds.  Read more »

Solar Wind Energy Tower

Written by , on July 22, 2014

Solar Wind Energy Inc has developed a hybrid solar-wind renewable energy technology which uses solar heat to generate wind that turns turbines.  Read more »

Energy Payback from Wind Turbines Is 6 to 12 Months

Written by , on July 22, 2014

Researchers at Oregon State University have carried out an environmental lifecycle assessment of 2-megawatt wind turbines planned for a large wind farm.  Read more »

New Wind Turbine Design Based on Bird Wings

Written by , on April 15, 2014

The German industrial automation and control company, Festo, has developed a dual wing generator. In contrast to conventional small wind power stations, the system uses two pairs of opposing wings instead of rotor blades to generate power.  Read more »

Drones to Collect Solar and Wind Energy

Written by , on February 12, 2014

New Wave Energy, an English company, has plans to build a high altitude aerial power plant, consisting of networks of unmanned drones that can harvest solar and wind energy and transmit it wirelessly to receiving stations on the ground. As sunlight radiates down to the Earth's surface some of its energy is absorbed into the […]  Read more »

Ship Design Uses Hull as Sail

Written by , on September 12, 2013

The Norwegian speed sailor and inventor, Terje Lade, has developed a new concept for a ship in which the hull acts as a giant sail. He estimated that the “Vindskip” would have fuel savings of 60% and emissions reductions of 80% compared to current cargo ships. The Vindskip would have natural-gas fired engines and a […]  Read more »