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EnergyHub Unveils Home Base System

EnergyHub just announced the launch of an energy management system for consumers interested in monitoring, controlling, and reducing energy use.  The system includes an in-home display, wireless thermostat, sockets, and strips, as well as iOS and Android apps for on-the-go control.  Some purchasers will also be able to integrate the system with data from their smart meter if they have a compatible meter.

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60w Replacement LED Bulb Nears $15

Boy do I feel great for grabbing a handful of 60-watt replacement LEDs for $40 a pop!  Lighting Science Group and India-based Dixon Technologies today announced plans to launch the world’s first sub-$15 60-watt equivalent LED bulb.  The bulb will be available in India by the end of this year and around the world sometime in 2012.

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19 Solar Decathlon Homes for 2011

The biennial Solar Decathlon is coming up next month with teams preparing their solar-powered homes for West Potomac Park in Washington, D.C. The competition will showcase modern, energy-efficient homes from 19 teams from September 23 – October 2, 2011. We’ve taken a look at the architectural models for each home and continue our coverage this year with a look at the renderings.  There’s some great work here.  Any predictions?  Which team will take it all?

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Sunverge Powers a Net-Zero LEED Project

Sunverge has released a new Solar Integration System (SIS) package containing an inverter and battery storage unit to complement the standard residential solar PV array.  Brought to the market in February 2011, this new offering will give homeowners the opportunity to attain reliable net-zero energy status and eliminate reliance on the grid.

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How Solar Hot Water Works [Video]

On average, about 18% of home energy consumption is for water heating, the second largest consumer behind space heating.  The primary technology used to do this is the tank-type water heater (both gas- and electric-powered), but solar water heating can be a cost-effective way to generate hot water. 

Solar hot water systems vary, and one system we’ve mentioned previously is a passive-pump system by Virginia-based Sunnovations.  This video explains it.

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How Much Solar Do You Need [Graphic]

One Block Off the Grid took a stab at answering the question: “How big a backyard do you need to live off of the land?”  It turns out, plants like corn, wheat, fruits, grains, and vegetables take a lot of space.  Also, to offset the electricity required to power the average home in the U.S., which consumes about 11,040 kWh per year, one needs about 375 square feet of solar PV, or 25 average efficiency solar panels getting seven hours of sun.  Check out the full infographic:

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