Articles With "alternative energy" Tag

Grape Solar PV Systems Sell on Amazon

Oregon-based Grape Solar is now selling grid-tie capable, kilowatt-scale solar photovoltaic systems online via Amazon.  These systems ship in various bundles which include a racking system, an inverter, and several 230-watt panels, depending on the size of the system.

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Eddy GT Home VAWT Installed in Florida

(c) ABC

The small wind market is doing well these days with lots of new companies popping up all the time.  Since 2007, Urban Green Energy, one of these newish companies, has been expanding and growing — their vertical axis wind turbine (VAWT) has been installed in 48 countries.  One of their most recent installations was broadcast to the world last month on ABC’s Extreme Makeover: Home Edition (pictured).

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The State of Small Wind [Interview]

The U.S. market for small wind turbines — those rated 100 kilowatts or less — grew 15% in 2009 with the installation of about 10,000 new units, according to the AWEA Small Wind Turbine Global Market Study in 2010.  In the same report, AWEA found that the largest manufacturer of these turbines in terms of kilowatts sold is Arizona-based Southwest Windpower.  I had the opportunity to email with the company’s marketing director, Miriam Robbins, and she was kind enough to share what’s new with Southwest Windpower.

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Low-Cost Solar Thermal by Sunnovations

Sunnovations, a Virginia-based start-up, is seeing more and more interest in its unique solar thermal technology and just closed a Series A round of financing led by Two Seven Ventures.  That technology is explained in the attached images, and it may just make solar water heating a no-brainer for every home in the country.   The system is relatively affordable, easy to install, and simple to maintain, according to the company.

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Bladeless Vibro-Wind Panels of the Future

There’s a lot of innovation in the wind technology sector and this bladeless concept could be a game changer in the next few years.  In fact, “Turbine-free wind power” was placed on the NY Times Magazine‘s annual Year in Ideas list with this video explaining the idea.

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Building Integrated Wind in Chicago

A mixed-use project in Chicago has been getting a lot of attention for its green elements.  Most noticeable, perhaps, is the beveled corner that holds 12 vertical-axis wind turbines (VAWT) by Helix Wind.  The turbines are stacked in two columns on the building’s southwest corner and were included in the HOK designed-facade to cover all exterior lighting costs.

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