CompareFairlyCheapest Energy Tariffs UK 2026
Our pick : Octopus Energy - Octopus Tracker (75/100) · Cheapest : Octopus Energy - Octopus Tracker · Best value : Octopus Energy - Octopus Tracker
In short
This comparison of 11 energy tariffs across 10 criteria, including estimated annual cost, standing charge, unit rates for electricity and gas, contract length, and exit fees, places Octopus Energy - Octopus Tracker at the top with a score of 75/100, largely due to its perfect scores for green energy source and standing charge, making it also the cheapest option. The facts in this summary are computed from the table below; only the wording is generated.
Comparison table
| Criterion | Octopus Energy - Octopus Tracker | So Energy - Dual Fuel Fixed 1 Year | OVO Energy - Better Energy | E.ON Next - Next Fixed 12m | EDF - Essentials Fixed 1 Year | Shell Energy - Fixed 1 Year |
|---|---|---|---|---|---|---|
| Estimated Annual Cost (GBP) | 1100 | 1170 | 1150 | 1180 | 1190 | 1210 |
| Standing Charge (GBP_per_day) | 0.25 | 0.25 | 0.26 | 0.26 | 0.27 | 0.27 |
| Unit Rate (Electricity) (GBP_per_kwh) | 0.15 | 0.16 | 0.16 | 0.165 | 0.17 | 0.17 |
| Unit Rate (Gas) (GBP_per_kwh) | 0.04 | 0.05 | 0.05 | 0.055 | 0.06 | 0.06 |
| Contract Length (months) | — | 12 | — | 12 | 12 | 12 |
| Exit Fees (GBP) | 0 | 0 | 0 | 0 | 0 | 0 |
| Tariff Type | Variable | Fixed | Variable | Fixed | Fixed term tracker | Fixed |
| Customer Service Rating (stars) | 4.5 | 4.3 | 4.0 | 4.1 | 4.2 | 4.0 |
| Green Energy Source | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Smart Meter Offered | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Frequently asked questions
What are the cheapest energy tariffs in the UK right now?
As of August 2026, Octopus Energy's Octopus Tracker is highly rated, with So Energy's Dual Fuel Fixed 1 Year also offering competitive pricing.
How do I find the best energy deal for my home in 2026?
Compare tariffs based on estimated annual cost, standing charges, unit rates for electricity and gas, contract length, and exit fees to find the most suitable option.
Is Octopus Energy the cheapest energy provider in the UK?
Octopus Energy's Octopus Tracker is currently a top-ranked option, but the 'cheapest' can vary based on your specific usage and location.
How is your energy tariff comparison determined?
Our rankings are based on objective data and are not influenced by payments from energy providers, ensuring a neutral and reliable comparison.
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.