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OVO says households could stay cosy without lifting a finger, according to a pioneering smart heat pump trial. By automatically shifting home heating to times when electricity is cheaper and greener, electricity use during peak hours dropped by a third.

The trial comes as the UK faces mounting pressure to balance grid demand and reduce energy costs, especially during the evening peak when usage surges, risking increased costs and reduced reliability.

Run by OVO with support from Nesta, an innovation foundation who design, test, and scale new solutions to society’s biggest problems, 58 households on OVO’s Heat Pump Plus tariff took part in the trial to explore whether smart automation could make heat pumps easier to manage while easing pressure on the grid. For three months,

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