UK non-commodity charge · Distribution · Electricity
DUoS unit rate, Green band
Latest published rate, who sets it, and where it is forecast to go.
What DUoS unit rate, Green band 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 unit rate, Green band: what it is, who charges it, and what it pays for
What it is
The DUoS unit rate, Green band charge in plain English
Off-peak distribution charge, applied per kWh in the Green band: typically overnight on weekdays and all day at weekends. The cheapest time to use power on the local network; the exact hours and rate are set in each DNO's charging statement.
Introduced 1990 (privatisation), timeband structure from 2010.
Who charges it
The body that sets the rate
Your regional DNO under Ofgem RIIO-ED2
Unit
p/kWh
Applies to
All electricity supplies (rate varies by DNO region and tariff)
What it pays for
Where the revenue ends up
Local distribution network costs
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 | 0.0340 | 0.0348 | 0.0356 | high | Based on published RIIO-ED2 determinations with established revenue allowances |
| 2027-28 | 0.0347 | 0.0357 | 0.0367 | high | Final year of RIIO-ED2 with known regulatory framework |
| 2028-29 | 0.0376 | 0.0396 | 0.0416 | med | RIIO-ED3 transition based on Draft Determinations, subject to Final Decision changes |
| 2029-30 | 0.0378 | 0.0404 | 0.0430 | med | Early RIIO-ED3 period with regulatory uncertainty and demand growth variables |
| 2030-31 | 0.0382 | 0.0415 | 0.0448 | med | Mid RIIO-ED3 with electrification impacts and potential methodology reforms |
| 2031-32 | 0.0393 | 0.0427 | 0.0461 | low | Speculative projection beyond published regulatory frameworks |
| 2032-33 | 0.0376 | 0.0418 | 0.0460 | low | Highly uncertain due to potential RIIO-ED4 methodology changes |
| 2033-34 | 0.0357 | 0.0408 | 0.0459 | low | Speculative scenario dependent on demand growth and regulatory reform |
| 2034-35 | 0.0310 | 0.0408 | 0.0506 | low | Placeholder projection with very wide uncertainty bands |
DUoS unit rate, Green band FAQs
What is the DUoS unit rate, Green band charge?
Off-peak distribution charge, applied per kWh in the Green band: typically overnight on weekdays and all day at weekends. The cheapest time to use power on the local network; the exact hours and rate are set in each DNO's charging statement.
Who sets the DUoS unit rate, Green band rate?
The DUoS unit rate, Green band rate is set by Your regional DNO under Ofgem RIIO-ED2.
What does DUoS unit rate, Green band pay for?
DUoS unit rate, Green band revenue supports Local distribution network costs.
What is the DUoS unit rate, Green band rate?
DUoS unit rate, Green band 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 unit rate, Green band forecast?
Our latest forecast for 2026-27 is 0.0348 p/kWh (high confidence). Based on published RIIO-ED2 determinations with established revenue allowances
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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.