CompareFairlyBest Energy Suppliers in Great Britain 2026
Our pick : Octopus Energy (85/100) · Cheapest : Octopus Energy · Best value : Octopus Energy
In short
This comparison covers 8 energy suppliers across 12 criteria: Electricity Price (per kWh), Gas Price (per kWh), Electricity Standing Charge, Gas Standing Charge, Contract Length, Exit Fees. Octopus Energy comes first with 85/100, driven by Customer Service Rating (100/100) and Electricity Price (per kWh) (100/100). So Energy follows at 84/100 and beats it on Smart Meter Availability. The cheapest option is Octopus Energy. Sourced data: 4/8 options; the remaining values are estimates, flagged as such.
Comparison table
| Criterion | Octopus Energy | So Energy | EDF Energy | ScottishPower | Shell Energy | British Gas |
|---|---|---|---|---|---|---|
| Electricity Price (per kWh) (GBp) | 24.0 | 24.5 | 25.0 | 25.8 | 26.2 | 26.0 |
| Gas Price (per kWh) (GBp) | 6.0 | 6.2 | 6.8 | 6.9 | 7.1 | 7.0 |
| Electricity Standing Charge (GBp) | 23.0 | 22.0 | 26.0 | 26.5 | 27.5 | 28.0 |
| Gas Standing Charge (GBp) | 26.0 | 25.0 | 29.0 | 29.5 | 30.5 | 30.0 |
| Contract Length (months) | 12 | 12 | 12 | 12 | 12 | 12 |
| Exit Fees (GBP) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Renewable Energy Percentage (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Fuel Mix | Renewables, Gas | Renewables | Nuclear, Renewables | Wind, Hydro, Solar, Gas | Renewables, Gas | Natural Gas, Nuclear, Renewables |
| Customer Service Rating (stars) | 4.8 | 4.5 | 3.8 | 2.94 | 3.6 | 3.5 |
| Online Account Management | Excellent | Excellent | Good | Good | Good | Excellent |
| Smart Meter Availability | Yes, readily available | Yes, on request | Yes, on request | Yes, readily available | Yes, on request | Yes, readily available |
| Company Reputation | Innovative Leader | Growing | Established | Established | Established Brand | Major Provider |
Frequently asked questions
What are the best energy suppliers in Great Britain in 2026?
Octopus Energy is currently ranked highest with a score of 85/100, followed closely by So Energy. Our rankings are based on objective data and are not influenced by commercial partnerships.
How do energy suppliers compare on electricity and gas prices?
We compare electricity and gas prices per kWh, alongside standing charges for both, to give you a clear picture of the cost of energy from different suppliers.
What are the contract lengths and exit fees for top energy suppliers?
Understanding contract length and potential exit fees is crucial. We provide this information to help you avoid unexpected costs when choosing an energy plan.
Where can I find a neutral comparison of energy suppliers in Great Britain?
Our comparison provides a neutral overview of energy suppliers, with all data sourced and our ranking methodology transparent, ensuring you receive unbiased information.
Methodology and transparency
Ranking: options are sorted on measured, sourced criteria. No position is ever sold, and no advertiser pays to appear here.
Scope: this comparison is not exhaustive. It presents the options our sources document, not every offer on the market.
Earnings: some outbound links may be affiliate links that earn us a commission. This never affects the ranking, the scores or the data.
Data: every value is linked to its source and refreshed automatically; the collection date is shown.