1 August 2018

Gemini is the system that enables the operation of the commercial gas regime in Great Britain. It is a real-time system with users able to bid online as well as through file transfers. Xoserve has full responsibility as system manager and system operator of Gemini on behalf of National Grid.

The Gemini Contingency and OCM Contingency proformas have been updated based on Shipper feedback system and customers are being asked to update their internal processes.

The new versions of the proformas can now be found via the links below:


On-the-Day Commodity Market (OCM)

Contact details for the teams who will be able to answer any questions can be found on each proforma.

Future reviews will be conducted annually, with the next due 1st August 2019.

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