I had a fascinating presentation today from John Robertson, managing director of BiFab, one of the first movers in offshore wind platform fabrications. They just rolled off doing a 31 unit, 14 month project for Vattenfall’s 150 MW Ormonde project (which still counts as large in the offshore wind business), and built the original Beatrice [...]
by Richard T. Stuebi Remember the white soul group on the Motown label, Rare Earth? If you do, sorry: this posting isn’t about them…. Nope, it’s about the fact that rare earth metals represent a unique problem — and opportunity — in the cleantech realm. As PBS reported on “Newshour” a few months ago (transcript [...]
by Cristina Foung(writing from West Coast Green) My favorite green product of the week: the Mariah Power Windspire What is it?The Mariah Power Windspire is a vertical axis “plug-n-produce wind power appliance.” It’s only 30 feet tall, with a two foot radius. It’s rated for winds up to 100 MPH and (based on initial testing) [...]
by Cristina Foung My favorite green product of the week: Southwest Windpower Skystream 3.7 Wind Turbine What is it?The Skystream 3.7 is a residential wind generator that hooks into grid-tied homes. It has an estimated energy production of 400 kWh per month (at 12 MPH or 5.4 m/s). Its rotor measures 12 feet and towers [...]
