We have a responsibility to keep the National Transmission System (NTS) within safe operating limits. This includes acting as residual balancer by taking energy balancing trades on the On The Day Commodity Market (OCM) to influence the matching of supply and demand. On these pages you will find out more about how we balancing the NTS and how that affects you.
How we communicate potential or actual risks to the end-of-day National Transmission System (NTS) physical system balance.
Market participants are obliged to publish ‘inside information’ in respect of businesses or facilities they own or control before they can trade on it.
End to End Balancing Services
An overview of the commercial elements of GB gas balancing activity.
This document outlines the commercial elements of GB gas balancing activity. We hope this guide is concise and easy to follow while giving an overview of gas transmission network balancing activity in Great Britain.
As System Operator, National Grid and NTS shippers are incentivised to balance NTS inputs and outputs on a daily basis.
Under the Uniform Network Code (UNC), shippers are incentivised to balance their system inputs and outputs and make accurate nominations using the Gemini system.
Financial energy balancing charges, invoiced via Xoserve, may be incurred if shippers are unable to balance their portfolio by the end of the gas day.
The summary document 'Scheduling and Imbalance Charges' provides an overview of energy balancing charges.
Gas query directory
To help you efficiently find the right person to talk to in relation to specific National Transmission System operational gas queries, we have developed the following a contact list and directory. We have based it on the most common queries we receive from our customers. Its purpose is to make finding the right subject matter expert within National Grid, quicker and easier than ever before.
Please note that if your query relates to a home or domestic gas connection or meter exchange, please contact your network operator. You can find who your network operator is on the Energy Networks Association website.
Transmission operational data
Data for industry analysts including operational data to reduce market uncertainty, ensure equal access to information, and increase information transparency.