iSupply Fixed v3

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

ismybillfair

Official ismybillfair partner

Direct debit supported Cash supported
End date
1 January 1988
Contract length
Not listed months
Electricity code
ERC1_ISUPPLY_FIX_V3
Gas code
GRC1_ISUPPLY_FIX_V3

Tariff overview

iSupply Fixed v3 was a fixed tariff released on 16 December 2025, with an expected end date around 1 January 1988. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving elsewhere.

Check my bill

Contract snapshot

Contract length
Not listed months
Exit fee
£Not listed
Smart meter
Not required or not listed
Cash payments
Supported

Price ranges by region

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

Electricity

Regions listed: 11

Direct debit standing charge: 17.51p to 23.30p

Direct debit unit rate: 15.50p to 17.23p

Cash standing charge: 17.51p to 23.30p

Cash unit rate: 15.50p to 17.23p

Gas

Regions listed: 14

Direct debit standing charge: 12.55p to 17.87p

Direct debit unit rate: 3.65p to 3.93p

Cash standing charge: 12.55p to 17.87p

Cash unit rate: 3.65p to 3.93p

Multi-rate electricity

Regions listed: 13

Direct debit standing charge: 13.63p to 22.87p

Direct debit day rate: 16.01p to 20.38p

Direct debit night rate: 10.90p to 14.42p

Cash day rate: 16.01p to 20.38p

Cash night rate: 10.90p to 14.42p

Terms

Terms content has not been added yet.

Related tariffs

Direct debit supported Cash supported

Simply Fixed 2Yr May27

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Simply Fixed May26

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Simply Fixed Direct May26v3

Ends 31 May 2026

View tariff page
Direct debit supported Cash supported

Simply Fixed Direct May26

Ends 31 May 2026

View tariff page

Save with your current EDF 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