RIIO stands for Revenue = Incentives + Innovation + Outputs. This price control, RIIO-GD1, began on 1 April 2013 and runs for eight years to 2021.
This summary report reviews the activities of the Gas Distribution Network (GDNs) in the sixth year of RIIO-GD1. It provides an overview of each GDN’s performance against their agreed outputs and incentives, their innovative activities, and their overall financial performance including impact on customer bills. It also provides forecasts for the remainder of the price control.