Extended Fixed 18 December 2025

Tariff details for OVO Energy, including contract notes, price ranges and the supporting metadata we currently hold.

ismybillfair

Official ismybillfair partner

Direct debit supported
End date
31 May 2027
Contract length
17 months
Electricity code
Extended Fixed
Gas code
Extended Fixed

Tariff overview

Extended Fixed 18 December 2025 is a 17 month fixed tariff released on 19 December 2025. It is due to end around 31 May 2027. This tariff is not currently available for new switches. This type of tariff is usually aimed at customers who want price certainty for a set period, so the main things to review are the tariff end date, any exit fees, and what happens when the fixed term finishes.

Check my bill

Contract snapshot

Contract length
17 months
Exit fee
£50
Smart meter
Not required or not listed
Cash payments
Not supported or not listed

Price ranges by region

These summaries show the range of rates we currently hold across regions, rather than one national figure.

Electricity

Regions listed: 14

Direct debit standing charge: 61.16p to 85.06p

Direct debit unit rate: 23.59p to 25.99p

Cash standing charge: 61.16p to 85.06p

Cash unit rate: 23.59p to 25.99p

Gas

Regions listed: 14

Direct debit standing charge: 35.81p to 39.56p

Direct debit unit rate: 5.43p to 5.76p

Cash standing charge: 35.81p to 39.56p

Cash unit rate: 5.43p to 5.76p

Multi-rate electricity

Regions listed: 14

Direct debit standing charge: 61.21p to 85.11p

Direct debit day rate: 25.80p to 28.19p

Direct debit night rate: 17.92p to 20.32p

Cash day rate: 25.80p to 28.19p

Cash night rate: 17.92p to 20.32p

Terms

Terms content has not been added yet.

Related tariffs

Direct debit supported

2 Year Fixed + Heating Control 18 April 2024

Ends 31 May 2026

View tariff page
Direct debit supported

2 Year Fixed + Heating Control 16 May 2024

Ends 31 May 2026

View tariff page

Save with your current OVO Energy tariff in just 60 seconds

Enter your postcode to get started

We'll check your suppliers best deals

Don't just take our word for it

Join households across the UK who asked ismybillfair