UIG Interactive Data

UIG % by Gas Day - National View (13 main LDZs)

The below chart shows daily national UIG percentage levels for the first (D+1) and last (D+5) run of allocation.

Last modified: 23 April 2025

UIG % by Gas Day

Unit: %

D+1 Allocation

D+5 Allocation

%

Start date:

End date:


Chart data

You can download the raw data that has been used to to create the UIG % by gas day chart below.


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UIG data now available

Following the launch of the updated Gemini System, UIG data is now available to download on the National Gas Transmission data portal.

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National UIG charts

You can view our national UIG charts on the links below.