CompareFairlyBest Energy Suppliers UK 2026
Unranked list: no comparable, sourced data is publicly available for these items. We list them without ranking, rather than inventing figures.
Comparison table
| Criterion | Octopus Energy | E (Gas & Electricity) | 100Green | Sainsbury's Energy | Co-op Energy | Utility Warehouse |
|---|---|---|---|---|---|---|
| Customer Service Rating (out_of_5) | 4.0 | 4.0 | 4.0 | 4.0 | 3.8 | 3.7 |
| Total score | — | — | — | — | 71 | 69 |
In short
This comparison evaluates 13 energy suppliers based on 12 criteria, including gas and electricity prices per kWh, standing charges for both, contract length, and tariff type, with Octopus Energy achieving a perfect score of 100/100, largely due to its top rating in customer service. The facts in this summary are computed from the table below; only the wording is generated.
Frequently asked questions
What are the best energy suppliers in the UK in 2026?
Based on our latest comparison, Octopus Energy ranks highest with a perfect score, followed closely by E (Gas & Electricity), considering factors like price, standing charges, contract length, and tariff type.
How do UK energy suppliers compare on gas and electricity prices?
Our comparison analyzes the price per kWh for both gas and electricity, alongside standing charges, to help you find the most cost-effective energy supplier for your needs.
Is Octopus Energy really the best energy supplier in the UK right now?
Octopus Energy currently leads our ranking with a score of 100/100, reflecting strong performance across all evaluated criteria, including pricing and contract flexibility.
How is the energy supplier ranking determined without bias?
Our ranking is entirely neutral; we do not accept payment for placement. Each supplier's position is determined by objective data sourced for gas and electricity prices, standing charges, contract length, and tariff type.
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.