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Sheringham Shoal Offshore Wind Farm, UK (Photo: Harald Pettersen/Statoil)

Squirreled away beneath a recent Telegraph report on the subtleties of badger-culling in the UK was this intriguing morsel of wind energy news, which would seem to challenge the idea that intermittent energy sources such as wind play havoc with grid management. For the 23,700 gigawatt-hours of electrical energy generated by wind in the UK between April 2011 and September 2012, only 22 GWh of electrical energy from fossil fuels "was needed to fill the gaps when the wind didn't blow," it reports. Gizmag contacted the UK National Grid to find out the details.  Read More

TwingTec's Twing (or tethered wing) prototype

Poised halfway between the complexity of Makani and the simplicity of SkySails, the TwingTec TwingKite (or simply Twing, short for tethered wing) uses an advanced lightweight construction to generate energy from the wind. It has been awarded 10,000 Swiss Francs by the Venture Kick start-up funding program.  Read More

Are 'innovative' wind technologies ever a match for three-blade turbines?

Virtually every week there are articles about new and innovative methods for harvesting wind energy. And every week more megawatts of capacity from three-blade horizontal-axis wind turbines (HAWT) becomes operational, despite all of the contenders. Why aren't these innovative new products knocking the iconic HAWT off its perch? Is it possible to tell which are likely to be viable? These eight points are a useful way to assess which technology has potential, and which are likely just hot air.  Read More

The biosensor uses an enzyme inhibitor and an ultrathin film with nanoparticles

A multidisciplinary Brazilian research team has developed a biosensor to measure pesticide content on food produce, water and soil. The technology is in its development phase, but if developed into a commercial product it could provide a cheap, affordable and portable method to monitor this type of contamination.  Read More

The map displays solar radiation data with outstanding resolution (Photo: MIT)

MIT researchers have developed a new technique that can be used to accurately predict the annual yield of a photovoltaic solar array located anywhere on the planet, taking into account local climate, panel orientation, and obstructions from nearby buildings. As a proof of concept, the scientists have mapped out the 17,000 rooftops of Cambridge, Massachusetts and created a user-friendly web interface that residents can use to look up their homes and get an accurate projection of the cost and return on investment of placing a PV panel over their heads.  Read More

A conventional steel-column wind turbine (Photo: Patrick Finnegan)

Engineers at Iowa State University think concrete columns could be the key to building taller, higher-powered wind turbines. By making the switch from steel to concrete, it's thought that the upper limit of turbine column height could be raised from 80 m to over 100 m.  Read More

Makani Power's Wing 7 prototype Airborne Wind Turbine (AWT) will now benefit from the back...

Having already put its Google Wallet where its mouth by backing a solar power tower plant in California to the tune of US$168 million, Google has now turned to wind power. According to a report from Bloomberg Businessweek, the search giant has acquired Makani Power, a California-based startup whose Airborne Wind Turbine (AWT) technology first caught our interest in 2011.  Read More

Urban Green Energy (UGE) has unveiled its newest mid-range wind turbine, the VisionAIR, wh...

Urban Green Energy (UGE) recently unveiled its newest vertical-axis wind turbine, the VisionAIR, as part of an installation at the Beijing International Garden Expo. The company confirmed to Gizmag that the VisionAIR is replacing its former 4K turbine, last seen adorning the top of an EV charging station, as its standard mid-sized option for customers. Compared with the previous model, the new turbine's design aims for better efficiency at moderate wind speeds, which UGE plans to integrate with its hybrid energy projects.  Read More

Rice University engineering students Tyler Wiest, Carlos Armada, Julian Castro and David M...

We’ve seen Pavegen’s energy-harvesting tiles turning up in a variety of places to harvest some of the kinetic energy generated while walking or running over them. But a team of students at Rice University has put the shoe on the other foot with PediPower – a prototype device that attaches to a shoe to harvest energy generated when the heel hits the ground.  Read More

By exploiting pressure at the seabed, researchers hope to create stores of energy at the o...

"Imagine opening a hatch in a submarine under water. The water will flow into the submarine with enormous force. It is precisely this energy potential we want to utilize." This is how German engineer Rainer Schramm describes his idea for storing energy under the sea. By using surplus energy to pump water out of a tank at the seabed, the water is simply let back in again when there's an energy shortfall, driving turbines as it rushes in. The deeper the tank, the more power is generated.  Read More

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