The home has a built in photovoltaic power supply, which uses sunlight to generate electricity.
The company behind the project says the house produces excess energy that can be fed back into the electricity grid, potentially earning its occupants up to £1,000 a year.
- The windows are triple-glazed. The house is thoroughly insulated through out and features low-power LED lighting.
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Wintry showers to continue through the weekend and warnings of gales
Exclusive figures given to ITV Cymru Wales show a steep rise in the number of people seeking advice for steroid use.
Cold, breezy and generally cloudy at first with further wintry outbreaks on the hills