This page contains our TNUoS tariff forecasts and the notifications of tariffs changes. Updates for next year's tariffs are published quarterly in accordance with the Connection and Use of System Code (CUSC). Updates for the next five year's tariffs are published annually in accordance with Condition 5 of the Authority's approval of the use of system charging methodology in March 2005 (referred to as the Condition 5 report.) Please scroll to the bottom to find notifications of tariffs changes.
The TNUoS tariffs for 2017/18 can be found below and are now fixed.
We held a webinar to discuss recent TNUoS tariff publications on Thursday 9 March 2017 for which the Slides can be downloaded. Please contact us on 01926 654633 if you have any other queries.
2018/19 TNUoS Tariff: The next forecast is expected in June 2017.
Five Year Forecasts:
Forecasts of the Tariffs for the 2017 - 2018 charging year:
Forecasts of the Tariffs for the 2016 - 2017 charging year:
Forecast and final Tariffs for the 2015 - 2016 charging year:
Forecast and final Tariffs for the 2014 - 2015 charging year:
This area contains the notifications that National Grid is required to make prior to updating TNUoS tariffs.
Many of the files available to download on this page are Acrobat PDF files. To access these you will need Acrobat Reader which is available from the Adobe web site.