Flexible Octopus: tariff explained (2026)

Flexible Octopus is Octopus Energy's standard variable tariff — the one most people land on by default when they join. There's no fixed contract and no exit fees, so the unit rate and standing charge move up or down in line with the energy price cap, and your electricity is 100% renewable. Think of it as the low-commitment, no-fuss home base of the Octopus range rather than a clever time-of-use deal.

What is Flexible Octopus?

Flexible Octopus is Octopus Energy's standard variable tariff — the one most people land on by default when they join. There's no fixed contract and no exit fees, so the unit rate and standing charge move up or down in line with the energy price cap, and your electricity is 100% renewable. Think of it as the low-commitment, no-fuss home base of the Octopus range rather than a clever time-of-use deal.

Who it’s best for

• People who want the simplest possible setup — one monthly Direct Debit, no contract to track and total freedom to leave or change tariff whenever they like, with no exit penalty
• Anyone who doesn't have an EV, solar panels or a heat pump, and so wouldn't get the full benefit of Octopus's smart tariffs like Agile, Intelligent Octopus Go, Cosy or Outgoing
• Switchers who want a safe, regulated landing spot first and plan to move to a smart tariff later once they've settled in and seen their usage patterns
• Households that prefer price-cap protection over chasing wholesale price dips, and don't want to shift their usage to cheaper time slots to save

How it works

Because Flexible Octopus is a variable tariff, your prices aren't locked in — they track the energy price cap and adjust when it changes (typically each quarter), and the exact unit rate and standing charge also vary by region, so always check the current rates for your area on octopus.energy. You pay by monthly Direct Debit, and crucially there are no exit fees: you're free to switch to one of Octopus's smart tariffs, or to another supplier, at any time without penalty. You don't need a smart meter to be on it, though getting one (free from Octopus) later unlocks extras like Octoplus rewards and the move to time-of-use tariffs. It's the easy on-ramp — start here, then upgrade if and when a smarter tariff suits your home.

Switch to the UK’s most awarded energy supplier! Switch to Octopus Energy and you’ll get £50 credit once your switch is complete. T&Cs apply (only one switching offer per household).

Whichever tariff you start on, joining Octopus through a referral link gets you £50 credit on your account, paid automatically about 2 to 4 weeks after your switch completes and your first Direct Debit is taken, with nothing to claim. Since Flexible Octopus has no exit fees, you can join on it for the £50, then move to a smart tariff later with no penalty.

Rates and availability change regularly — check current prices on octopus.energy. Last reviewed 1 June 2026.

FAQs

Switch to the UK’s most awarded energy supplier! Switch to Octopus Energy and you’ll get £50 credit once your switch is complete. T&Cs apply (only one switching offer per household).