UK non-commodity charge · Distribution · Electricity
DUoS fixed charge
Latest published rate, who sets it, and where it is forecast to go.
What DUoS fixed charge is, who sets the rate, what the revenue funds and where it is heading. Rates come from the Purely Energy non-commodity cost data hub; forecasts are our own.
DUoS fixed charge: what it is, who charges it, and what it pays for
What it is
The DUoS fixed charge charge in plain English
Fixed daily standing charge for having a connection to the distribution network. Paid regardless of how much electricity you use.
Introduced 1990 (privatisation).
Who charges it
The body that sets the rate
Your regional DNO under Ofgem RIIO-ED2
Unit
p/MPAN/day
Applies to
All electricity supplies (rate varies by DNO region and tariff)
What it pays for
Where the revenue ends up
Fixed costs of maintaining your local network connection
Forecast trajectory
Forecasts from our non-commodity cost model. P10, P50 and P90 are the 10th, 50th and 90th percentile outcomes; P50 is the central estimate.
| Year | P10 | P50 | P90 | Confidence | Rationale |
|---|---|---|---|---|---|
| 2026-27 | 0.0587 | 0.0587 | 0.0587 | high | Within RIIO-ED2 period with established revenue profiles |
| 2027-28 | 0.0640 | 0.0640 | 0.0640 | high | Final year of RIIO-ED2 with deferred cost recovery |
| 2028-29 | 0.0635 | 0.0660 | 0.0685 | med | RIIO-ED3 transition year with regulatory reset uncertainty |
| 2029-30 | 0.0650 | 0.0681 | 0.0720 | med | Early RIIO-ED3 period with electrification investment |
| 2030-31 | 0.0665 | 0.0703 | 0.0750 | med | Continued electrification-driven investment under ED3 |
| 2031-32 | 0.0680 | 0.0722 | 0.0780 | low | Beyond current regulatory framework with high uncertainty |
| 2032-33 | 0.0695 | 0.0742 | 0.0810 | low | Speculative projection pending RIIO-ED4 decisions |
| 2033-34 | 0.0710 | 0.0762 | 0.0845 | low | Highly uncertain due to unknown regulatory framework |
| 2034-35 | 0.0725 | 0.0783 | 0.0880 | low | Placeholder projection with very wide uncertainty bands |
DUoS fixed charge FAQs
What is the DUoS fixed charge charge?
Fixed daily standing charge for having a connection to the distribution network. Paid regardless of how much electricity you use.
Who sets the DUoS fixed charge rate?
The DUoS fixed charge rate is set by Your regional DNO under Ofgem RIIO-ED2.
What does DUoS fixed charge pay for?
DUoS fixed charge revenue supports Fixed costs of maintaining your local network connection.
What is the DUoS fixed charge rate?
DUoS fixed charge is set by your regional network operator, so there is no single national rate. Use the NCC calculator with your MPAN or postcode to see the rate for your region.
What is the DUoS fixed charge forecast?
Our latest forecast for 2026-27 is 0.0587 p/MPAN/day (high confidence). Within RIIO-ED2 period with established revenue profiles
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Enter an MPAN or postcode plus kWh/kVA to see DUoS fixed charge alongside every other non-commodity line item for this year and next.
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Rate data from the Purely Energy non-commodity cost data hub (dh.purelyenergy.co.uk). Published rates come from statutory publications by the body listed above; forecasts are modelled from published guidance and market trends, so treat P50 as a central estimate and use P10/P90 for sensitivity.