The tariff calculation is based on the allowable revenue, as agreed with NIAUR, and forecast demands. The tariff is set to give each pipeline owner their appropriate rate of return while also recovering their operating costs. Forecast capacities/demands set at the outset of the gas year are based on expected reserved capacity and expected commodity use of gas.

Charging Methodology Statement

This publication sets out the charging methodology which applies from the 1st October 2021 for the use of the Northern Ireland Gas Transmission Network.

Gas Product Multipliers and Time Factors

These factors are multiplied by the annual tariff for entry capacity to determine the tariff for non-annual entry capacity products, for example monthly capacity or daily capacity.

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