RIIO-3 Explained: Why UK Business Energy Bills Are Shifting Towards Fixed Costs
The UK’s energy system is moving through a major shift.
Electricity demand is rising fast, driven by electrification, renewable generation, and net zero targets. To keep up, the network needs serious investment. That’s where RIIO-3 comes in.
Set by Ofgem, RIIO-3 is the next price control framework running from 2026 to 2031. It’s designed to modernise the grid and improve long-term resilience.
But it also changes how businesses pay for electricity.