Sizewell C secures $6.56bn debt facility, unlocking full‑scale construction

Core Insights - The Sizewell C nuclear power project has secured £5bn ($6.56bn) in debt financing, enabling full-scale construction and expected to save £2bn annually for the low-carbon electricity system, potentially lowering consumer electricity costs [1] Financing Structure - The debt facility was arranged following the project's equity raise and final investment decision in July 2025, with investment-grade credit ratings from Moody's, S&P, and Fitch due to its financial structure and risk management strategies learned from Hinkley Point C [2] - A total of 13 banks participated in the primary debt facility, highlighting strong support for the financing structure based on the UK's Regulated Asset Base (RAB) model, with major investors including the UK government, Centrica, La Caisse, EDF, and Amber Infrastructure Group [3] Green Financing - The BpifranceAE loan is structured as a green loan under Sizewell C's green finance framework, receiving a 'Medium Green' rating from S&P Global Ratings for sustainable finance practices [4] Economic Impact - Government estimates suggest that the RAB model could save consumers up to £30bn compared to traditional financing methods, based on outcomes from other large UK infrastructure projects, with Sizewell C expected to deliver reliable low-carbon power and create tens of thousands of jobs [5] - Sizewell C is seen as a pioneering financing model for new-build nuclear projects, attracting interest from other countries with nuclear development plans [6]