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Octopus Energy

Who Is Octopus Energy in the UK?

Octopus Energy is one of the UK’s fastest-growing energy companies, supplying gas and electricity to millions of households. Founded in 2016, it has quickly become part of the “Big Six” by customer numbers. Octopus is known for competitive electricity prices, award-winning customer service, and a strong commitment to green energy.

Through Octopus Investments, the company develops and supports large-scale renewable energy generation projects in the UK and abroad, including wind farms, solar parks, and battery storage. Most tariffs supply green electricity backed by a Renewable Energy Guarantee of Origin (REGO) certificate, proving that your energy comes from clean sources rather than fossil fuels.

Cheapest Octopus Tariff – October 2025

For a typical household (2,700 kWh electricity, 11,500 kWh gas, paying by Direct Debit):

  • Electricity: ~25.5p per kWh
  • Gas: ~6.3p per kWh
  • Daily standing charges: ~51p/day (electricity), ~30p/day (gas)
  • Estimated annual dual fuel bill: ~£1,720

These figures reflect Ofgem’s price cap rates. Octopus also offers cheaper deals for EV drivers and households that can shift energy use to off-peak times.

Octopus Energy Tariff Comparison

Tariff Name Tariff Type Electricity Unit Rate Gas Unit Rate Daily Standing Charge (Elec / Gas) Exit Fee Key Features
Flexible Octopus Variable ~25.5p/kWh ~6.3p/kWh 51p / 30p £0 Standard variable tariff; follows Ofgem’s price cap
Fixed Octopus (12m) Fixed ~24.8p/kWh ~6.2p/kWh 50p / 29p £50 Locks in rates for 12 months; offers price security
Octopus Go EV Tariff 9p/kWh (00:30–05:30) N/A 47p / N/A £50 Cheap off-peak charging for EV owners; smart meter required
Agile Octopus Smart Tariff Changes hourly N/A 50p / N/A £0 Hourly energy prices linked to wholesale market; can be very cheap off-peak

(Rates shown are indicative; actual prices vary by region, meter type, and usage.)

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What Products and Services Does Octopus Offer?

Octopus provides more than just gas and electricity:

  • EV Tariffs & ChargingOctopus Go and Intelligent Octopus Go provide cheap night rates, while the Electroverse app gives discounts on public charging.
  • Agile Octopus & Tracker – Innovative smart tariffs where rates follow wholesale prices. Agile updates hourly energy prices, while Tracker adjusts daily.
  • Solar Panels & Smart Export Guarantee – Customers with solar panels can sell excess electricity back to the grid.
  • Smart Meter Installation – Free smart meter installations to enable accurate billing and smart tariffs.
  • Green Energy & Investments – Large-scale solar farms, wind projects, and battery storage through Octopus Investments, supporting the transition to zero carbon electricity.
  • Digital Tools – The Octopus app and online account use the latest digital energy web services for a smooth, better web experience across browsers.
What Products and Services Does Octopus Offer

How Octopus Energy Tariffs Compare with Other Suppliers

  • British Gas / EDF / E.ON Next: These suppliers stick closely to price cap rates. Octopus matches them but adds flexible, innovative tariffs.
  • OVO Energy: OVO focuses on rewards and boiler cover, while Octopus stands out with Agile Octopus and EV night rates.
  • So Energy / Ecotricity: These smaller suppliers only offer renewable tariffs. Octopus combines renewable commitment with scale and advanced digital services.

Octopus is usually at or below the Ofgem price cap on variable tariffs and more competitive when customers use fixed or EV options.

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Pros and Cons of Choosing Octopus Energy

Pros

  • Wide range of tariffs: fixed, variable, smart, EV.
  • Excellent customer service and transparent billing.
  • Strong commitment to green energy backed by REGO.
  • Smart tariffs like Agile and Tracker for flexible households.
  • Cheap night rates for EV owners.

Cons

  • Some tariffs require a smart meter.
  • Wholesale-linked tariffs can be unpredictable.
  • Fixed tariffs may include exit fees.
  • Tariff availability can vary by region.

FAQs About Octopus Energy Prices

Octopus offers Flexible Octopus (variable), Fixed Octopus, Agile Octopus, Tracker, and EV tariffs like Octopus Go. From October 2025, the Flexible tariff is ~25.5p/kWh electricity and ~6.3p/kWh gas with daily standing charges around 51p and 30p. To see the most up-to-date tariffs in your postcode, use our comparison service.

Reviews of Octopus often mention competitive electricity prices, excellent customer service, and innovative tariffs such as Agile and Go. Customers value its focus on green energy and transparent billing. Some note that hourly energy prices can be unpredictable.

See our Octopus Energy Reviews page for more detail.

Yes. Octopus often provides fixed energy tariffs that undercut the standard variable tariff, giving customers more price security. Availability depends on your region and meter type. To find the cheapest fixed tariffs for your home, enter your postcode into our comparison service.

Octopus’s variable tariff follows the Ofgem price cap, similar to British Gas, EDF, and E.ON Next. Where Octopus stands out is with smart options like Agile and Go, which can deliver lower costs for households who can shift energy usage. Comparing side by side in our tool will help you find the best deal for your home.

Several factors influence Octopus tariffs, including wholesale energy prices, your type of meter, whether you pay by Direct Debit, and your average annual consumption. Regional charges, government schemes, and the timing of your energy use (for smart tariffs) also affect the final energy bill.

Yes, many households find they can save by moving to Octopus. Savings depend on your current tariff, how much energy you use, and whether you can take advantage of Octopus’s smart or EV tariffs. Using our comparison service lets you see Octopus tariffs side by side with your current supplier, helping you find the best deal.

It depends on your needs. A fixed tariff locks in the unit price and daily standing charge for 12–24 months, giving you price security and making it easier to budget. A flexible (variable tariff) follows the Ofgem price cap and can move up or down every three months. Flexible tariffs offer more freedom since there are no exit fees, while fixed tariffs protect against future price rises. Comparing both options with our tool will help you see which is better value for your home.

Yes. Octopus Energy’s standard variable tariff (Flexible Octopus) tracks Ofgem’s price cap, just like British Gas, EDF, and E.ON Next. Where Octopus stands out is with its fixed deals and smart tariffs (like Octopus Go and Agile) that can be cheaper if you shift usage.

Tracker updates daily to reflect wholesale energy prices. It can be cheaper when the energy market drops, but bills rise when wholesale costs go up. A smart meter is required.

Agile gives half-hourly prices that follow wholesale rates. It’s great for flexible households or EV owners who can use energy at off-peak times, but prices can spike when demand is high.

Yes. Octopus Go and Intelligent Octopus Go give cheap night rates (from 7.5–9p/kWh overnight). These tariffs are designed for electric vehicle owners with smart chargers.

Standing charges vary by region and meter type. For a typical home: about 51p/day for electricity and 30p/day for gas (as of October 2025).

Yes. Octopus provides smart meters free of charge. Smart meters are required for smart tariffs like Agile, Tracker, and Intelligent Octopus Go.

Yes. All Octopus electricity is backed by Renewable Energy Guarantee of Origin (REGO) certificates, ensuring your supply is green.

Flexible Octopus (variable tariff) has no exit fees. Fixed tariffs usually have a £50 per fuel early exit charge. EV and Agile tariffs may also include an exit fee if you leave before the term ends.

Yes. Through the Smart Export Guarantee (SEG), Octopus pays you for exporting unused solar energy back to the grid.

Yes. Octopus Energy offers the Warm Home Discount, Priority Services Register, and tailored payment support for customers who need extra help.

*Average annual cost based on the cheapest tariff available through Free Price Compare compared to the April 2025 price cap: £1,617 vs £1,755, a saving of £231 for typical dual fuel customers. Actual savings will vary depending on household consumption. Based on medium usage as defined by Ofgem’s Typical Domestic Consumption Values (2,700 kWh electricity and 11,500 kWh gas), paying by direct debit, with paperless billing. Prices averaged across all UK regions and correct as of 1 April 2025. Savings exclude any cashback you may be eligible for.

Page last updated on: 75/09/2025

Page reviewed by: Andrea Troy

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