Electricity storage struggles to add up

The UK’s first major electricity storage projects for decades are under construction. But are they actually needed to manage future renewables challenges? Alex Marshall reports

Highview's cryogenic storage device at the Slough Heat and Power biomass power plant was commissioned in March (credit: Highview)The past six months have been promising times for proponents of energy storage technologies – devices which take surplus or cheap electricity and store it over a period of hours until needed.

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