Some 2.5 gigawatts (GW) of French power production was disrupted by a strike by workers at nuclear and hydro facilities operated by state-owned power giant EDF on Tuesday, data from the company showed, Report informs via Reuters.

Almost 1 gigawatt of hydropower production was taken offline along with 1.5 GW from two reactors at the Paluel nuclear plant in northern France, EDF data showed.

EDF was not immediately available for comment.

This equates to nearly 4% of French power production at 1045 GMT, data from grid operator RTE showed. France is expected to remain a net exporter throughout the day, RTE data showed.