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£36m for Swansea research on power-generating buildings

The technology, using heat and light to make electricity, could replace conventional walls, roofs and windows.

The power could be used in homes, workplaces, schools and hospitals, with the energy stored and released by “smart energy systems”.

Mr Hammond said the aim was to cut energy bills and carbon emissions.

Excess power could be sold back to the National Grid.

The concept uses a combination of solar cells, battery storage and a steel frame which draws solar-heated air through tiny perforations for heating and warm water.

Steel roofs have photovoltaic cells which are integrated, allowing them to operate in areas with lower levels of sunlight.

Electricity is stored in batteries which can be shared with the community when needed.

Swansea’s Specific research centre has already opened an “active” classroom and an office showcasing the technology. In its first year, the classroom generated more than 1.5 times the energy it consumed.

Its office has a curved photovoltaic roof and a wall-mounted solar system which can generate heat and electricity, as well as a 2,000 litre water-based solar heat store which captures energy to proving heating for the following day.

A smart controller looks at building occupancy and weather forecasts to optimise charging the heat store.

Welsh Secretary Alun Cairns added: “Today’s funding announcement, on top of the £68m commitment to Swansea University since 2010, will ensure that Wales and one of its most forward-thinking universities will play a key role in keeping the UK at the vanguard of innovation for years to come.”

UK ministers have committed to at least halving the energy used in new buildings by 2030.

The funding will go to Swansea University’s Specific research institute.

Another £6.5m is coming from the Welsh Government, including £5m from its Innovative Housing Programme budget.

Housing and Regeneration Minister Rebecca Evans said: “We are looking for projects that can help meet our affordable housing needs, projects that can tackle fuel poverty and improve the lives of people who live in them.”

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