GT17 is the price control for the four high pressure gas networks in Northern Ireland:
- GNI (UK) Limited (GNI (UK))
- Premier Transmission Limited (PLT)
- Belfast Gas Transmission Limited (BGTL); and
- West Transmission Limited (WTL).
It relates to the period from 1 October 2017 until 30 September 2022.
Please refer to the individual pages for further information.