Cosy Octopus 12M Fixed September 2025 v1
Ends 30 September 2026
View tariff pageTariff details for Octopus Energy, including contract notes, price ranges and the supporting metadata we currently hold.
Intelligent Octopus Go 12M Fixed August 2025 v1 was a fixed tariff released on 16 December 2025, with an expected end date around 31 August 2026. This tariff is no longer current, but it may still be useful if you are checking an older bill, reviewing a previous deal, or trying to understand what tariff you were on before moving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 billThese summaries show the range of rates we currently hold across regions, rather than one national figure.
Regions listed: 14
Direct debit standing charge: 43.82p to 68.34p
Direct debit unit rate: 29.37p to 32.95p
Cash standing charge: Not listed
Cash unit rate: Not listed
No gas price data has been added yet.
No multi-rate price data has been added yet.
Terms content has not been added yet.
Ends 30 September 2026
View tariff pageEnds 30 November 2026
View tariff pageEnds 28 February 2027
View tariff pageEnds 31 March 2027
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