The announcement, revealed alongside annual results from its parent firm, comes with EDF yet to make a final investment decision over the construction of a vast new nuclear power plant at Hinkley Point in Somerset, southwest England.
Sceptics of Iran nuclear deal 'all proven wrong': Rouhani
"EDF Energy has announced new scheduled closure dates for four nuclear power stations," it said in a statement.
The four stations comprise Heysham 1 and Heysham 2 in Lancashire, northwest England, Hartlepool in Teeside in the northeast and Torness in East Lothian, Scotland.
Heysham 1 and Hartlepool were due to be decommissioned in 2019 but will continue to operate for another five years until 2024. Power generation at Heysham 2 and Torness will be extended by seven years to 2030.
EDF added it had made the decision to extend operations following "extensive technical and safety reviews of the plants" that it has shared with the industry regulator the Office for Nuclear Regulation.
Together, the four power plants supply electricity to about one quarter of homes in Britain, according to EDF, employing a total of 2,000 permanent staff and 1,000 contractors.
Pakistan successfully test fires indigenously developed cruise missile Ra'ad
"Our continuing investment, our expertise and the professional relationship we have with the safety regulator means we can safely prolong the operating life of our nuclear power stations," said EDF Energy chief executive Vincent de Rivaz.
"Their excellent output shows that reliability is improving whilst their safety and environmental performance is higher than ever," he added.
EDF added that it hoped to begin building Hinkley Point C -- Britain's first new nuclear power plant in decades -- "very soon".
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ