Sainsbury’s is preparing to use delivery lorries to generate its power.
Pressure from vehicles passing over metal plates outside a Sainsbury's depot in Northampton will trigger pumps in an electricity generator.
The supermarket said it hoped to be the first company in Europe to use the system, which was trialled in the US in September.
The system is expected to provide enough power for 10,000 light bulbs per year during the trial.
“Two per cent of the depot's energy needs will be met by the system, based on the number of lorries expected to drive over the road plates,” said a Sainsbury’s spokesman.
Roger Burnley, supply chain director for Sainsbury's, told the BBC: “This is one of several sustainable measures being implemented at our Northampton depot, which leads the way in reducing energy emissions and waste.”
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