Tariffs and areas An overview of the tariff areas and current tariffs. Tariffs and areas Long range tariff forecast Tariff view 2024 Tariff view 2024 Excel Historical tariff overview 2023-> Historical tariff overview ->2022 SEGAL-tariffs AreaUnitTariff GY2022*SEGAL exitGBP/Sm30,0396* Tariff is escalated every gas year with UK Producer Price Index, Electricity Pricing and NBP Month Ahead Pricing. Interruptible capacity currently under development.