# Cheapest Energy Tariffs UK

_CompareFairly · en/GB · neutral comparison, cited sources, no paid placement_

**Category:** energy › electricity gas › energy tariffs

**Our pick**: Octopus Energy - Octopus Tracker (75/100) · **Cheapest**: Octopus Energy - Octopus Tracker · **Best value**: Octopus Energy - Octopus Tracker

## 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) | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 |
| Unit Rate (Electricity) (GBP_per_kwh) | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Unit Rate (Gas) (GBP_per_kwh) | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| 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 | 4.1 | 4.2 | 4 |
| Green Energy Source | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Smart Meter Offered | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |

## 1. Octopus Energy - Octopus Tracker

A variable tariff tracking wholesale energy prices, often cheaper than fixed rates.

_Source (estimate): [https://octopus.energy/tracker-tariff/](https://octopus.energy/tracker-tariff/)_

## 2. So Energy - Dual Fuel Fixed 1 Year

A 1-year fixed tariff offering competitive rates and good customer service.

_Source (estimate): [https://www.so.energy/our-tariffs](https://www.so.energy/our-tariffs)_

## 3. OVO Energy - Better Energy

A variable tariff with a focus on smart meter usage and energy efficiency.

_Source (estimate): [https://www.ovoenergy.com/domestic/tariffs/better-energy](https://www.ovoenergy.com/domestic/tariffs/better-energy)_

## 4. E.ON Next - Next Fixed 12m

A fixed rate tariff for 12 months, providing protection against price rises.

_Source (estimate): [https://www.eonnext.com/tariffs](https://www.eonnext.com/tariffs)_

## 5. EDF - Essentials Fixed 1 Year

A fixed term tracker tariff that saves up to £50 a year with a discounted standing charge, where prices may rise and fall every three months in line with Ofgem's price cap.

**Best for:** Customers looking for a discounted standing charge and willing to accept variable unit rates linked to the price cap.

**Pros:**
- Save up to £50 a year
- Guaranteed one year discounted standing charge
- Smart meter installed at no extra cost

**Cons:**
- Prices may rise and fall every three months
- Exit fees apply

_Source (estimate): [https://www.edfenergy.com/gas-and-electricity](https://www.edfenergy.com/gas-and-electricity)_

## 6. Shell Energy - Fixed 1 Year

A 12-month fixed tariff with the option to earn loyalty points.

_Source (estimate): [https://www.shellenergy.co.uk/energy/tariffs](https://www.shellenergy.co.uk/energy/tariffs)_

## 7. British Gas - Fixed Energy May 2025

Fix your prices today for the next two years - and they’ll drop if prices drop.

**Best for:** Customers seeking long-term price certainty with the benefit of potential price reductions.

**Pros:**
- Price protection for two years
- Prices drop automatically if market prices fall

_Source (verified): [https://www.britishgas.co.uk/energy.html](https://www.britishgas.co.uk/energy.html)_

## 8. ScottishPower - Saver Fixed 1 Year

A 1-year fixed price tariff for both electricity and gas.

_Source (estimate): [https://www.scottishpower.co.uk/our-tariffs](https://www.scottishpower.co.uk/our-tariffs)_

## 9. British Gas

## 10. Ecotricity

## 11. Fuse

## 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.

## 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.


---
_Generated by CompareFairly - neutral universal comparator. Ranking not for sale, data sourced._


---
_CompareFairly · https://comparefairly.com/en/GB/cheapest-energy-tariffs-uk — citation with a link is allowed; bulk extraction/redistribution is prohibited._
<!-- cf:canary:497790ba36f1e65d -->
