- Publication date
- 19th December 2017
- Information type
- Policy area
RIIO stands for revenue = incentives + innovation + outputs. This price control began on 1 April 2013 and runs for eight years, to 2021.
This report reviews the activities of electricity transmission network companies in the fourth year of RIIO-ET1. It outlines the costs incurred against allowances across the entire price control period; presenting the combination of the ‘actual’ company performance in the first four years of RIIO-ET1 and the current company forecasts for the remainder of the eight-year period. It also reviews how they are delivering against the financial and output requirements and outlines the recent progress against the relevant innovation mechanisms.