The design for the first nuclear power station is be built in the UK for 25 years has been granted approval.
After a five-year process, regulators have said the European Pressurised Reactor, designed by two French firms, is safe and environmentally sound.
But there are still a number of hurdles to be cleared before energy supplier EDF and the nuclear engineering firm Areva can begin construction.
The two new plants are to be built alongside existing plants in Hinkley Point, Somerset, however first planning permission is needed.
A decision on planning permission by the Planning Inspectorate is imminent, and the Secretary of State for Energy Ed Davey will then have three months to make his decision on final approval.
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