UK Secures Landmark £7.5 Billion Clean Energy Investment Deal with Japan’s Sumitomo Corporation

Britain has secured a landmark £7.5 billion ($10 billion) investment from Japan’s Sumitomo Corporation, marking a major boost for the UK’s clean energy and infrastructure sectors.

The agreement, signed in Tokyo by UK Investment Minister Baroness Poppy Gustafsson and senior Sumitomo executives, will channel funds into the development of offshore wind and hydrogen projects across the country by 2035.

This public-private partnership aligns with the UK’s Modern Industrial Strategy and its 10-Year Infrastructure Strategy, reinforcing the nation’s ambitions to become a global leader in clean energy.

The deal is seen as a significant endorsement of the UK’s economic direction and a testament to its appeal as a destination for international investment.

Sumitomo’s Energy Transformation Group CEO Hajime Mori emphasized the company’s ongoing commitment to decarbonisation and clean energy in the UK, stating that the agreement would leverage Sumitomo’s expertise to drive growth and innovation in the sector.

The UK government highlighted that such investments not only create high-value jobs but also help to overcome supply chain constraints and accelerate the delivery of key infrastructure projects.

This latest commitment further strengthens the UK’s trading relationship with Japan and the broader Asia-Pacific region, building on previous strategic agreements and the UK’s recent ratification of the CPTPP.

With the UK ranked as a top global investment location in recent surveys, officials expressed confidence that the Sumitomo partnership would serve as a catalyst for further international collaboration and economic growth, supporting the UK’s long-term goal of becoming a clean energy superpower.

A £7.5 billion Sumitomo commitment reshapes UK offshore-wind supply-chain economics - and signals real Japanese capital appetite for European transition assets, with knock-on effects for pricing across similar projects. Our responsible-investment and market-intelligence teams help clients read these cross-border capital flows and position early for the follow-on rounds.