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Overdue, overbudget, France's most powerful reactor joins grid

The Flamanville 3 European Pressurized Reactor in Normandy was finally connected to the national grid this weekend, 12 years behind schedule after technical setbacks which saw the cost of the project soar to an estimated 13.2 billion euros, four times the initial 3.3 billion-euro estimate.

La rédaction de Mediapart

This article is freely available.

France on Saturday connected its most powerful nuclear power reactor to the national electricity grid in what leaders hailed as a landmark moment despite years of delays and technical setbacks, reports FRANCE 24.

The Flamanville 3 European Pressurized Reactor in Normandy started providing electricity to French homes at 11.48 am Saturday, the EDF power company's CEO Luc Rémont said in a statement.

"Great moment for the country," President Emmanuel Macron said in a statement on X, calling it "one of the world's most powerful nuclear reactors."

"Re-industrialising to produce low-carbon energy is ecology French-style," he added.

The EPR, a new generation pressurised water reactor, is the fourth to be finished anywhere in the world.

Remont of EDF called the event "historic."

"The last time a reactor started up in France was 25 years ago at Civaux 2," he said, referring to the Civaux power plant in southwestern France.

The connection was initially scheduled to take place Friday.

It is the most powerful reactor in the country at 1,600 MW. Ultimately, it should supply electricity to upwards of two million homes.

The start-up comes 12 years behind schedule after a plethora of technical setbacks which saw the cost of the project soar to an estimated 13.2 billion euros ($13.76 billion), four times the initial 3.3 billion euro estimate.

Read more of this AFP report published by FRANCE 24.