Of course it provides electricity to the grid. It doesn't provide any NET energy to the grid, since it's not a generator. It will pull and push energy to the grid in small amounts as needed to regulate the frequency, which is directly related to the voltage of the grid.
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The article states the flywheel will not be used to provide electricity to the grid.
Of course it provides electricity to the grid. It doesn't provide any NET energy to the grid, since it's not a generator. It will pull and push energy to the grid in small amounts as needed to regulate the frequency, which is directly related to the voltage of the grid.