RIIO-T1 Regulatory Instructions and Guidance Modification Decision - Electricity Transmission

Decision, Guidance

Publication date

Industry sector

Transmission Network

This document contains the electricity 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 three electricity transmission owners (TOs) - National Grid Electricity Transmission plc (NGET), SP Transmission Ltd (SPTL) and Scottish Hydro Electric Transmission plc (SHE Transmission) and electricity system operator (NGET SO).

A number of licence conditions require the three electricity TOs to provide us with this information. The main licence condition for the purposes of this document is Standard Condition B15: Regulatory Instructions and Guidance

This guidance applies to reporting from the period 1 April 2013 until 31 March 2021.