Who thinks advanced energy efficiency when they think of 90% coal-powered Wyoming? Not me. The average house in the state has to use over 800 kilowatt hours a month of the dirtiest energy in the US, to heat and power the same iPods and so on that in the other states take half those kilowatts [...]
Solar roofs and geothermal ground heat exchange are the primary energy providers. The home is designed to produce its own solar electricity, but to be linked to the grid, which acts as a giant 100% efficient storage medium, to store any excess energy produced for use later, however, this prefab could be set up as a self generating zero home in rural areas with no link to the grid, and provide its own energy.