EDF has revised upward the cost of the Grand Carénage programme by 2.5% from €48.2bn to €49.4bn. The plan, which runs from 2014 to 2025, aims at enhancing reactor safety and continuing nuclear fleet operations beyond 40 years. The new estimate is based on the first findings on the works to be conducted, as EDF is carrying out the periodic safety review of its 900 MW reactors.
The Grand Carénage investment was valued at €55bn in 2015 and revised to €45bn (€48.2bn in current euros) in 2018. To date, EDF has conducted 24 ten-year inspections at its 900 MW, 1,300 MW and 1,450 MW reactors, whilst 52 out of 56 emergency diesel generators have been commissioned.
The share of nuclear in France's power mix is expected to decrease from 75% to 50% in 2035. Half of the 58 operational nuclear reactors will reach their designed 40-year age limit in the 2020s.
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