RIIO-T1 Regulatory Instructions and Guidance Modification Decision - Gas Transmission
Decision,
Guidance
This document contains the gas transmission price control cost, outputs, financial and revenue Regulatory Instructions and Guidance (RIGs).
The purpose of this document is to provide a framework to allow Ofgem to collect accurate and consistent information from the gas transmission owner (TO) and system operator (SO) - National Grid Gas plc (in respect of its transmission business) (NGGT).
A number of licence conditions require NGGT to provide us with this information. The main licence condition for the purposes of this document is Standard Special Condition A40: Regulatory Instructions and Guidance.
This guidance applies for reporting from the period 1 April 2013 until 31 March 2021.