No. Only Fessenheim has been closed and it accounts for a very small % of the power that currently lacking (1.8 GW at best vs 37.8 GW of the whole fleet).

34 reactors are off now + 4 partially down. You can't blame this on a single plant and politicians, especially when we can't build a working EPR [0], and when the old ones have defects (corrosion) that require them to be turned off in the middle of an energy crisis [1]

[0] https://en.wikipedia.org/wiki/Flamanville_Nuclear_Power_Plan...

[1] https://www.france24.com/en/france/20220825-france-prolongs-...