Siemens Energy will build Europe's first small modular reactor turbines at a 19th-century Newcastle factory

Siemens Energy will manufacture the first steam turbines ever built in Europe for a small modular reactor (SMR), at its CA Parsons Works in Newcastle, the same site whose original turbines powered Calder Hall, the world's first commercial nuclear power station, in 1956. The work supports more than 550 jobs and covers components for both the Gwyndod project on Anglesey and the broader Rolls-Royce SMR export market.

Newcastle will produce high-pressure turbines and valve casings for the first three UK SMRs being built at Gwyndod, with further production earmarked for export. The components are the first manufacturing output from Rolls-Royce SMR's February 2025 global partnership with Siemens Energy, which makes the firm the sole supplier of steam turbines, generators, and auxiliary systems for the UK SMR programme.

UK Energy Secretary Miatta Fahnbulleh and Business, Innovation and Science Secretary Jonathan Reynolds attended the announcement at the Newcastle site. Rolls-Royce SMR CEO Chris Cholerton and Siemens Energy UK vice president Darren Davidson led the partner statements.

CA Parsons Works has been part of UK energy infrastructure since 1889; Siemens Energy says its nuclear offerings now span steam turbines and generators from 20 MW to 1,900 MW. Independent verification of the 550-jobs figure and the "first in Europe" framing was not available in the provided material; both rest on partner attribution. The Gwyndod label also overlaps with prior references to "Wylfa Newydd" at the same Anglesey site, and needs reconciling before either name is treated as canonical.