| From | To | Standing | Unit |
|---|---|---|---|
| 14 Sep 2026 | Current | 60.89p | 27.66p |
Octopus
Octopus 18M Fixed September 2026 v3
Standard Fixed
All 14 UK regions
Octopus 18M Fixed September 2026 v3 is a standard electricity tariff from Octopus. Rates and standing charges shown below are refreshed daily; last updated .
Rates in your area
DNO: SP Energy Networks
Standing charge
60.89p
/day
Unit rate
27.66p/kWh
Current rates effective from .
How does Octopus 18M Fixed September 2026 v3 compare against your real usage?
Upload your half-hourly smart meter data (free) and we'll project your annual cost on Octopus 18M Fixed September 2026 v3 alongside every other active UK tariff.
Sign up to compareRates across all 14 UK regions
| Region | DNO | Standing charge | Unit rate |
|---|---|---|---|
| Eastern England | UK Power Networks | 50.66p | 27.76p |
| East Midlands | National Grid Electricity Distribution | 50.31p | 26.51p |
| London | UK Power Networks | 41.50p | 27.09p |
| North Wales, Merseyside and Cheshire | SP Energy Networks | 67.47p | 29.28p |
| West Midlands | National Grid Electricity Distribution | 56.42p | 26.83p |
| North East England | Northern Powergrid | 61.00p | 26.95p |
| North West England | Electricity North West | 44.32p | 28.58p |
| Northern Scotland | Scottish and Southern Electricity Networks | 54.26p | 28.35p |
| Southern Scotland | SP Energy Networks | 60.89p | 27.66p |
| South East England | UK Power Networks | 51.16p | 28.18p |
| Southern England | Scottish and Southern Electricity Networks | 46.41p | 27.71p |
| South Wales | National Grid Electricity Distribution | 54.55p | 28.07p |
| South West England | National Grid Electricity Distribution | 54.60p | 28.42p |
| Yorkshire | Northern Powergrid | 61.09p | 26.84p |
Rates include VAT where applicable. Half-hourly bands for time-of-use tariffs are shown in the panel above when you select a region.
Rate history (last 6 months)
Show rate changes in Southern Scotland
About Octopus
Octopus
Sign up offer
Get £50.00 when signing up - By using this link you will help support running this website to make it better for everyone.
Referral bonus: £50
Visit OctopusWe may earn a small commission when a switch completes via the link above. This helps fund the site and does not affect the price you pay.
Compare Octopus 18M Fixed September 2026 v3 head-to-head
See how Octopus 18M Fixed September 2026 v3 stacks up against these tariffs on real UK smart-meter data.
Frequently asked questions about Octopus 18M Fixed September 2026 v3
This tariff is currently published in all 14 UK DNO regions. Use the region selector at the top of this page to see the rates and standing charge for your specific DNO region. Availability is subject to Octopus's own eligibility criteria, which can include smart meter compatibility and account standing.
Octopus 18M Fixed September 2026 v3 is a standard tariff with a fixed unit rate for the duration of the contract. On a standard tariff, you pay the same unit rate at every time of day.
New customers signing up via the referral link on this page may receive a £50 credit. Bonus eligibility is determined by Octopus at switch confirmation. We earn a small commission when a switch completes, which helps fund this site - it does not affect the price you pay.
Standing charges and unit rates are refreshed daily from the official Octopus tariff data. The most recent rate change recorded for this tariff is dated 14 September 2026. The page itself caches for one hour in your browser for faster repeat visits.
See your projected cost on Octopus 18M Fixed September 2026 v3
Upload your half-hourly smart meter data (free) and we'll project your annual cost on Octopus 18M Fixed September 2026 v3 versus your current tariff, plus every other active UK tariff for comparison.
Get started freeData refreshed . Most recent rate change for this tariff: 14 September 2026.