Reflections on the Successes of RIIO and the Scope for Future Improvement

15 January 2016

Following the final decisions published recently by the Competition and Markets Authority (CMA) in relation to electricity distribution,1 all British gas and electricity transmission and distribution networks are now subject to a new form of price control regulation, under a framework known as “RIIO”. The RIIO framework represents an evolution relative to the “RPI-X” approach that Ofgem had previously used to set energy network price controls.