Windspire: Propeller-Free Household Turbine Gets Approval


We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire has a propeller-free vertical-axis design, …

New Record: World’s Largest Wind Turbine (7+ Megawatts)


The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most likely produce 7+ megawatts (or …

HP To Install 1 Megawatt Solar Rooftop

Hewlett-Packard has announced it will install a 1-megawatt solar array in its San Diego facility. The installation will be made up of 5,000 panels on seven buildings. It’s a large solar array, but smaller than Google’s 1.6-megawatt solar array, which is thought to be the largest corporate installation to date in the United States.