Infrastructure

Our Infrastructure businesses bring gas and electricity to the market every day, while Rough provides more than half the UK's gas storage capacity.

We are investing to build a low carbon, reliable energy system from upstream generation and storage assets to smart technology enabling flexibility for downstream customers.

July 2025 CGI Images Of Sizewell C Site HD

Infrastructure in Numbers

54bcf

Total storage capacity at Rough

6.6

Nuclear power generation (TWh)

£1,134m

Capital Expenditure during 2025

£314m

Adjusted Operating profit

The businesses that make up...

Infrastructure

Centrica Power

In Centrica Power, we have a 20% stake in the UK's existing nuclear power stations, we're a major stakeholder in the development of Sizewell C and are exploring the next generation of advanced modular reactor with our partnership with X-Energy.

Centrica Power

Centrica Energy Storage +

CES+ is the owner and operator of Rough, the UK's largest gas storage facility, helping manage seasonal demand and energy security. CES+ has increased the capacity at Rough to 54bcf and continues to explore its role in the future of hydrogen.

Centrica Energy Storage + (CES+)

Grain LNG

In November 2025 we completed the acquisition of the Isle of Grain liquified natural gas terminal. Grain LNG delivers vital energy security for the UK, providing critical LNG imports and exports, regasification and rapid response gas storage capacity to balance the energy system.

Grain LNG

Spirit Energy

Spirit Energy is a joint venture with Stadtwerke München (SWM) focused on oil and gas production from existing UK assets to fuel homes and business across the UK and Europe. Spirit Energy was awarded a carbon storage licence for Morecambe Bay, which has the potential to be the UK’s largest carbon storage hubs.

Spirit Energy

Centrica Smart Meter Assets

Centrica has been a key player in the role out of smart meters and with the introduction of Centrica Smart Meter Assets (CSMA), we’re laying the foundations for a greener energy system through flexible asset funding, tracking, and investment in smart meters and net zero technology.  

Customer Assets