Sizewell C has been collectively led by way of two managing administrators since 2023 however from 1st January 2026 it’s shifting to a extra standard management style.
Nigel Cann, who has collectively led the corporate along Julia Pyke since 2023, takes at the leader government position following the undertaking’s ultimate funding determination and fiscal shut – a milestone that marks the transition from construction to the principle development section of the nuclear energy station.
Julia Pyke, who joined Sizewell C in 2017 from legislation company Herbert Smith Freehills, has determined to step down on the finish of the yr.
Nigel Cann has 45 years’ revel in in nuclear energy, having been plant supervisor at Dungeness B and Sizewell B and station director at Hinkley Level B ahead of turning into Hinkley Level C’s supply director till March 2023.
Julia Pyke mentioned: “It’s been a huge privilege to have taken Sizewell C from a daring imaginative and prescient to transform an unbiased, financed corporate construction 7% of the United Kingdom’s electrical energy below majority British possession. Maximum of all, I’m pleased with demonstrating that nuclear new construct is financeable, and of the legacy we’re developing in Suffolk and past.
“Sizewell C will convey 1000’s of top quality jobs, apprenticeships, and alternatives to native other people and companies, together with those that have in the past been excluded from paintings. Because of this, Sizewell C will play a very important position in turning in blank, protected, home-grown energy for generations to return.

“My purpose has all the time been handy over the principle development of Sizewell C and, as the development section starts, I’m extremely joyful to peer my colleague of the closing 3 years tackle that the most important position. My task has been to get the undertaking funded, authorized, and in a position for major development, and Nigel is the easiest particular person to ship it; his revel in in nuclear development and operation is unrivalled, and he’ll lead the following section brilliantly.”
Nigel Cann mentioned: “Julia’s contribution to Sizewell C and to the United Kingdom’s new nuclear programme has been transformational, and I think privileged to were a part of the adventure. I percentage her pastime for developing sure social worth affect from large infrastructure. We plan to proceed to paintings in combination to ship in this imaginative and prescient.
“The will for brand new nuclear power is crucial to beef up power safety for the United Kingdom. My ambition for Sizewell C is to cleared the path on nuclear by way of leaving a long-lasting legacy of fresh power, homegrown abilities, and nationwide delight. We will be able to accomplish that by way of fostering a name for sturdy, collaborative partnership, whether or not with native communities in Suffolk or with our provide chain companions around the nation.
“I’m assured that Sizewell C will function a beacon of innovation and inspiration for the nuclear business whilst developing jobs, growing experience, and turning in social worth that may get advantages the country for many years.”
Power secretary Ed Miliband added: “I wish to thank Julia Pyke for her outstanding management and contribution in rising the corporate and securing important backing from personal traders and industrial banks. Julia has been, and is, an impressive recommend for the undertaking – it’s been a excitement to paintings along her in this adventure and I want her each and every good fortune in her subsequent bankruptcy.
“I stay up for running with Nigel Cann as Sizewell C’s CEO because the undertaking enters the following section – following our landmark, multi-billion-pound deal to construct Britain’s subsequent large-scale nuclear energy plant and lend a hand ship a brand new golden age of nuclear.”
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