Breaking down your gas bill
Our gas network costs householders about £9 a year of the average annual bill of £554 – which is 1.6% of your total bill. This amount covers the cost of building and maintaining the high-pressure gas transmission network across Great Britain, and the cost of the System Operator’s services in balancing the system.
Gas Transmission and System Operator costs £9 of the average annual household bill
*We use Ofgem’s methodology to report the impact of our charges. The figures quoted are based on 2016/2017.
How the £9 cost breaks down
The £9 of the average annual household bill that’s paid for Gas Transmission and the System Operator includes a number of components, ranging from investment in the network to innovation.