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Economic Development

Plans to build one of the world's biggest batteries in Cardiff given green light

The huge renewable energy project will change the face of east Cardiff's industrial skyline

(Image: Marshall Architects)

A major renewable energy project in Cardiff will go ahead, despite concerns over habitat loss. The energy park and data centre development proposed for the old motocross track off Rover Way in Tremorfa will have a 1,000MW battery storage capacity - making it one of the biggest battery storage facilities in the world.

Currently the biggest battery storage facility is in California and has a capacity of 875MW to store surplus solar energy. There is a plan for a £750m facility with a capacity of 1,040MW in Manchester. The idea behind the energy park is to have supply of stored energy, produced from a renewable source like wind power, to help meet growing energy demands in the º£½ÇÊÓÆµ in a way that is environmentally friendly.

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However, at a Cardiff Council planning committee meeting on Thursday, October 17 where the plans were approved, senior planners at the local authority said the development will come with environmental impacts. Cardiff Council planning officer Tim Walter pointed planning committee members' attention to the fact that the proposed building site is surrounded by a number of sites of scientific and ecological importance.

(Image: Copyright Unknown)

He said some tree loss will be necessary and that the council accepts the development "will be big and prominent", but he added that the scheme was seen to be acceptable on balance. Motorcycle riders stopped using the Rover Way site, which was once subject to controversial plans for a wood-chipped biomass plant, this summer.

About 2,000 cubic metres of material will need to be redistributed and potentially removed from the site in order to level it for the energy park. This will result in a 70% loss of habitat space. No compensation site has been offered in mitigation for the loss of land, however the council will benefit from a legal agreement with the developer which will see it gain £250,000.

It is hoped this can be used to fund biodiversity projects or find replacement land in mitigation. However, the council's own ecological officer raised concerns about the lack of off-site compensation. Some planning committee members, including Cllr Adrian Robson, also raised their concerns.