France’s export balance with Italy remained high and increased further in 2018, ending the year at 18.5 TWh. The interconnection was mostly used for exports: there were only 330 one-hour periods with net imports (less than 4% of the time), down from 452 in 2017.

The interconnection was saturated 82% of the time, almost always for exports. The anticipated commissioning of a new interconnection (Savoy-Piedmont project) late in 2019 will help boost exchange capacities and opportunities for mutual electricity assistance between France and Italy.

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Italy caps imports on days when demand is low, especially weekends in the spring and summer. This is because it must keep in service enough thermal power plants that can adjust their output to ensure the stability of the power system. On days when photovoltaic seems likely to cover a large share of demand, import capacity at interconnections is reduced.

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