The Italian power transmission network operator (TSO) Terna estimates that Italy may require at least 6,000 MW of electricity storage capacity by 2030 to cope with the boom of intermittent renewable energy projects. Italy is estimated to add 40,000 MW of renewable generation capacity by 2030, 3/4 of which would consist of solar photovoltaic (PV) projects, which would help offset the closure of 7,200 MW of coal-fired capacity.
Pumped-storage hydropower plants account for the bulk of the existing storage capacity and electricity storage projects such as batteries are one of the possible options to help the operator balance intermittent flows of electricity from wind and solar parks. Terna is also considering using batteries from electric vehicles to balance the grid.
Overall, Terna plans to invest up to €6.2bn to support the modernisation of the domestic power grid by 2023.
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