The EU is committed to many different storage systems: flywheels, batteries, water pumping, etc.

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Utilities would be better off storing power in flywheels, or as ice for air-conditioning systems, he says.

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When he started out, it could not have been a worse time to start fiddling with flywheels.

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In racing, flywheels have a singular advantage of high power, which is to say, rapid discharge, compared with electrochemical storage.

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This is Journe's world, crammed with so many tiny details you can almost see the miniature flywheels spinning in his head.

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The New York Independent System Operator has defined short-term energy storage devices like flywheels and batteries as frequency regulators, allowing them to participate in regulated markets.

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