Britain's electricity distribution network is divided between six groups, serving 14 licensed areas.
They own the wires from the transmission network to your meter — and under RIIO-ED2 they're being
held accountable for more than just keeping the lights on.
Distribution network operators
6groups
14 licensed areas in total
Homes & businesses served
31m
connections across Great Britain
Price control period
RIIO-ED2
Apr 2023 – Mar 2028
DSO incentive outturn
£39.6m
all 6 groups in positive territory
Figure 01
Find your DNO
Enter any GB postcode to find out which distribution network operator owns the wires to
your meter — and see their RIIO-ED2 performance at a glance.
— Or select a group directly
Enter a postcode above, or select a group to explore RIIO-ED2 performance
The signal in the noise
RIIO-ED2 is the first price control where distribution operators are explicitly rewarded
for enabling flexibility — not just for keeping the lights on. All six groups earned positive
DSO incentive payments in 2024-25, totalling £39.6m.
Figure 02
Customer satisfaction, by group
RIIO-ED2 customer satisfaction scores for 2024-25. Sector average: 8.85. All groups
scored above 8.75 — the tightest range across any price control period to date.
Building chart
Ofgem RIIO-ED2 Annual Report 2024-25
Figure 03
Totex: actual spend vs Ofgem allowance
Total expenditure in 2024-25. All six groups spent slightly above their Ofgem allowance —
a sign that networks are accelerating investment ahead of the Clean Power 2030 pipeline.