Germany has about 40GWh of pumped water storage. This is used for extending solar into the evening/morning (on a typical day about 1300GWh of electricity are co

Germany has about 40GWh of pumped water storage. This is used for extending solar into the evening/morning (on a typical day about 1300GWh of electricity are consumed in total). About 5% of electricity need can be provided by Norway through pumped storage (Norway has a storage capacity of about 100TWh, but the grid is limited). Much more storage will be needed in the future, but many storage projects have been delayed since the demand for them is not there yet. Rarely 50% of the available coal production capacity is used. There will be spare capacity available for the near future even if a lot more coal plants are shut down.