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The roofs of the 23 homes for South Yorkshire Housing Association incorporate photovoltaic and solar thermal tiles to reduce carbon emissions. The company claims that it expects each house to generate 2,500kWh/year of electricity, equating to a 1.5 tonne saving of carbon dioxide. The solar thermal tiles have the potential to generate more than 60% of the hot water requirements for a typical

three-bedroom house. Each of the houses is fitted with an import/export electricity meter that will allow householders to see how much electricity the photovoltaics are generating, and how much electricity they are exporting to the national grid.

Solarcentury

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