GNI (UK) Limited
Gas Networks Ireland's activities in Northern Ireland are carried out by GNI (UK) Limited. This includes the construction of gas networks linking ten towns to the upstream network in Scotland, an investment of GB£200 million.
Our Northern Ireland network
A wholly owned subsidiary of Gas Networks Ireland, GNI (UK) Ltd operates, and part owns the high-pressure pipelines running from Moffat, in Scotland, to Ireland and the Isle of Man, via subsea pipelines which supply the Republic of Ireland, Northern Ireland and Isle of Man. It also owns and operates two pipelines in Northern Ireland, the South North pipeline running from Gormanston, Co. Meath to Co. Antrim and the North West pipeline running from Carrickfergus to the Coolkeeragh power station. GNI (UK) Ltd is regulated by the Commission for Regulation of Utilities in relation to the Republic of Ireland network and the Utility Regulator in Northern Ireland and Ofgem, in the UK.
Transportation services
The Gas Market Operator for Northern Ireland ("GMO NI") operates the natural gas transmission market in NI on behalf of the four gas transmission operator ("TSOs"), GNI(UK), Premier Transmission Limited ("PTL"), Belfast Gas Transmission Limited ("BGTL") and West Transmission Limited ("WTL").
Learn moreTransparency
As required by Regulation (EC) 715/2009, the transmission system operator shall make public information on technical, contracted and available capacities on a numerical basis for all relevant points including entry and exit points on a regular and rolling basis and in a user-friendly standardised manner
Energy transition
In October 2024, GNI (UK), alongside the other Gas Network Operators in Northern Ireland (NI), jointly launched a short policy paper, 'Enabling a Greener Energy Future', which focuses on the range of benefits to unlocking NI's biomethane opportunity.
Learn morePublications
Visit our Publications page for more information and news on our Northern Ireland activities.
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