About GMO NI

The central operator of Northern Ireland’s gas transmission market.

Who Are We

Established in 2017, GMO NI delivers market operations and network planning on behalf of Northern Ireland’s four Transmission System Operators (TSOs): GNI (UK), Premier Transmission Limited (PTL), Belfast Gas Transmission Limited (BGTL) and West Transmission Limited (WTL).

As a single point of coordination between the market and its users, we simplify processes, improve efficiency and transparency, and help shape Northern Ireland’s future energy networks.

GMO NI Carries out the following key business functions:

  • Single Point of Contact for market participants
  • Market operations (capacity marketing and bookings)
  • Network Code administration and market development
  • Operation of the market IT platform (Delphi)
  • Invoicing and billing
  • Postalised System Administration and revenue distribution
  • Balancing charges administration
  • Market transparency and reporting
  • Gas network planning
  • Market representation (SME)

Our Vision

To be recognised as the efficient and transparent operator of Northern Ireland’s gas transmission market.

Our work is guided by five core values:

Transparency

We operate transparently, engaging with our stakeholders in relation to our activities and our deliberations.

Efficiency

We will operate efficiently, adding value and avoiding unnecessary costs.

Integrity

We will be recognised for doing the right thing.

Teamwork

We will work as a team internally and through our industry engagements.

Performance

We will deliver the high-quality service our stakeholders expect while continuously improving in all we do.