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Giant Flywheel Project In Scotland Could Prevent UK Blackouts

An anonymous reader quotes a report from The Guardian: A giant flywheel in north-east Scotland could soon help to prevent blackouts across Britain by mimicking the effect of a power station but without using fossil fuels. The trailblazing project near Keith in Moray, thought to cost about 25 million British pounds, will not generate electricity or produce carbon emissions — but it could help keep the lights on by stabilizing the energy grid’s electrical frequency. The Norwegian energy company Statkraft hopes that from next winter the new flywheel, designed by a division of General Electric, will be able to mimic the spinning turbines of a traditional power station, which have helped to balance the grid’s frequency at about 50 hertz for decades.

Currently, the National Grid Electricity System Operator (ESO) is forced to shut down windfarms and run gas power stations even when there is more than enough renewable energy to meet Britain’s electricity demand, in order to keep the grid’s frequency steady. By simulating the spinning metal mass of a power station turbine without producing emissions, Statkraft should be able to help ESO rely less on fossil fuels and use renewable energy more. This is the first time a project of this kind will be used anywhere in the world and ESO believes it could be a “huge step forward” in running a zero-carbon electricity grid.

Read more of this story at Slashdot.

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