Contact us

Contact us for the following:

• Margin notices and gas deficit warnings (GDW)
• Issues balancing the NTS
• Operating Margins (OM) and OM services
• Unaccounted for Gas (UAG)
• REMIT (Regulation on Wholesale Energy Markets Integrity and Transparency) and publishing notifications
• Safety monitors
• NTS Linepack
• NGage meter validation app
• Gas DSR (Demand Side Response) and offering a DSR service
• On-the-day Commodity Market (OCM) and contingency plans

Contact us for the following:

• NTS connection charges
• How charges are determined
• Daily gas capacity methodology

Contact us for the following:

• Connecting to the NTS 
• Modifying a connection
• Disconnecting or decommissioning
• Reserving capacity (PARCA and CAM)
• Gas shipping (administered by Xoserve)
• Interconnectors
• Diversions to the NTS

Please note that we do not connect domestic properties or move meters.  If you have non-industrial queries, please contact your distribution network operator (DNO).

Smell gas? Call 0800 111 999

If you experience issues with access to our IT systems please get in touch.

If you have any queries about our assets, please contact Plant Protection. 

Contact us for the following:

• Gas operational data and news
• Gas capacity (entry and exit)
• Maintenance to the NTS and outages
• Constraint actions
• Operational forum
• Gas quality
• Calorific value
• Gemini contingency arrangements

Contact us for the following:

• Gas codes and market development (EU and GB)
• Commercial strategy
• Balancing arrangements for the NTS and associated technical issues
• Transportation charges
• EU strategy and policy
• Commercial changes for capacity and charging
• Contract relationship with Xoserve

You can find a list of PMC office addresses and phone numbers across Britain on the PMC page.

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 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.  

Download the Gas Query Directory