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Gas Operational Data Community

The purpose of this site is to enable collaboration within the market, providing further transparency of gas operational data. This will enable NG to communicate to the market in an efficient manner on residual balancing decisions, to provide better visualisation, to test concepts and gain feedback.

If you would like to get involved then you can create an account on our website by clicking the regiter button below and this will allow you to vote and comment on upcoming features and find out when we add new data and updates.

Register for access

Please click on the following link to be added to a distribution list for Operational Data information: https://subscribers.nationalgrid.co.uk/h/d/4A93B2F6FAF273DE  

Custom Download Tool

The New Custom Download Tool has been added to Data Item Explorer. This provides the ability to create a query which can be repeated, without requiring development skills. Data can be linked to excel or other tools, and refreshed without having to re-define the data.

You can view guidance material on how to use this here

Changes to Gas Security Notifications

This winter, we are changing the name of our Gas Deficit Warning and making some changes to how we calculate and notify the market of potential gas supply/demand imbalances. Please watch this video by Phil Hobbins which sets out the changes to Gas Deficit Warnings. 

A video explaining the changes to Margins Notices can be found here.

A Q&A explain all of these changes can be located here.

National Grids control room

Data view

We're making big changes to the way we present our data to make it much more powerful and easier to use. Select the type of data you wish to view from the tabs below.

Although this data is obtained from NG systems, it is important to note that this is trial data and not yet formally published - all agreed operational data should be obtained from Prevailing View as usual.

Supply & Demand

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Latest Data Values

PCLP OLP SND Forecast Supply Physical Supply Forecast Demand
372.7376mcm 364.0096mcm 292.2987mcm 336.1016mcm 332.7048mcm 327.3893mcm

Data last updated

Instantaneous Supply Flow

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03/12/2020
Where is Great Britains gas being supplied from today?

Bacton7.83%25.98 mcm

Barrow1.04%3.45 mcm

Easington24.88%82.58 mcm

Isle of Grain10.85%36.03 mcm

Milford Haven14.08%46.73 mcm

St Fergus22.92%76.08 mcm

Teesside8.8%29.23 mcm

Onshore Storage This value includes data from Burton Point 0%
0 mcm

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  • Bacton - 7.83% 25.98mcm
  • Barrow - 1.04% 3.45mcm
  • Easington - 24.88% 82.58mcm
  • Isle of Grain - 10.85% 36.03mcm
  • Milford Haven - 14.08% 46.73mcm
  • St Fergus - 22.92% 76.08mcm
  • Teesside - 8.8% 29.23mcm
  • Storage - 0% 0mcm

Data last updated

Please be aware the instantaneous flow for Norway is an estimate derived from St Fergus & Easington.

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Instantaneous Demand Flow

Instantaneous Demand Flow

We are now trialling a live Instantaneous Demand solution, updated at the same intervals as supply data.

The pie chart displays demand broken down into the following 5 categories and will be updated every 12 minutes, with 2 minute intervals:

Total of all category demand flow will not match with NTS Demand Flow, as the NTS Demand Flow includes NTS Shrinkage components.

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Data last updated

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 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 directory

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Join the conversation

Registering for the site will enable you to access further content and take part in discussions and voting. We are keen to ensure that we hear the views of all market participants, and registration will help us to ensure that relevant content can be developed for discussion.

Register for access