Last reviewed: 8th August 2025
We’ve looked at the cheapest energy suppliers right now in August 2025, so you can see if you can save by switching.
Keep reading to find the cheapest energy providers available right now and see if you can find a better deal than your current energy supplier.
With dozens of suppliers and even more tariffs, the UK energy market can feel overwhelming. Here’s a quick guide on what to look for depending on your priorities:
- Cheapest Fixed Deal: Outfox Energy
- Best Digital Features: Fuse Energy or Octopus Energy
- Top for Green Credentials: 100Green or Good Energy
- Most Flexible (No Exit Fees): Home Energy or Octopus
- Best for Customer Service: Octopus Energy, Co-op Energy, 100Green
Top 10 Cheapest suppliers in the UK right now – Quick Overview
Below is a quick comparison of the cheapest energy tariffs available from all energy suppliers. These are a combination of variable and fixed rates, and we’ve listed the tariff early exit fee if applicable.
Table of Contents
| Supplier name | Cost per month | Early exit fee |
|---|---|---|
| Home Energy | £126 | £0 |
| Outfox Energy | £127 | £150 |
| Fuse Energy | £130 | £100 |
| Ecotricity | £130 | £150 |
| Tulo Energy | £132 | £120 |
| OVO Energy | £133 | £100 |
| So Energy | £137 | £100 |
| EDF Energy | £138 | £100 |
| Utility Warehouse | £139 | £150 |
| Octopus Energy | £141 | £0 |
Most suppliers offer multiple tariffs and vary in terms of customer service. For a more in-depth look into each supplier, please continue reading below.
Cheapest suppliers in the UK right now – Detailed Guide
Home Energy
Launched in 2024, Home Energy has quickly become a favourite among deal-seekers thanks to its no-frills, low-cost approach. It offers the cheapest variable tariff on the UK market (as of August 2025), with a focus on simplicity, human support via live chat, and zero exit fees. Though it’s a relatively new player, it has already built up a strong reputation for fast customer support.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Fair Variable Dual | £126 | £1,516 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | Not available |
| Trustpilot score | 4.2 / 5 |
| Trustpilot reviews | 311 |
Why pick Home Energy?
Home Energy is a great option for budget-conscious households who want the flexibility of a variable tariff without hidden fees.
The Fair Variable Dual tariff is price-capped and has no tie-ins, making it especially appealing for renters, students, or anyone who wants to remain nimble in an unpredictable energy market. While it’s still a young supplier, early signs suggest solid customer care and excellent pricing.
Outfox Energy
Previously known as Outfox the Market, Outfox Energy has gained traction as a price-led disruptor offering multiple fixed-term deals.
Known for its low rates and high responsiveness, it has built a loyal customer base, particularly among those who like to switch often and secure short- to medium-term savings. It also offers 100% renewable electricity as standard.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Fix’d Dual Jul 25 12M | £127 | £1,529 | £150 |
| 2-Year Fix’d Dual Jul 25 | £127 | £1,531 | £250 |
| Fix’d Dual Jul 25 15M | £127 | £1,533 | £200 |
| Price Cap Tracker | £137 | £1,643 | £100 |
| Variable Dual (price-capped) | £146 | £1,749 | £0 |
Customer Service:
| Score | |
|---|---|
| Citizens Advice rating | 3.6 / 5 |
| Complaints per 10k | 20 |
| Call wait time | 2:32 |
| Emails responded ≤2 days | 99.5% |
| Trustpilot score | 4.6 / 5 |
| Trustpilot reviews | 44,376 |
Why pick Outfox Energy?
Outfox Energy is ideal for savvy switchers who want low-cost, fixed-term deals with a green focus. It’s one of the few suppliers offering multiple fixed options across 12, 15, and 24 months, allowing you to lock in stability that suits your timeline. Their Fix’d Dual Jul 25 12M tariff is a standout for short-term planners wanting great value with manageable commitment.
Fuse Energy
Launched in 2022 by a team of former Revolut executives, Fuse Energy merges cutting-edge tech with clean energy. It’s grown rapidly thanks to a smart usage app and competitive prices, and it already supplies more than 50,000 homes in the UK.
All its energy comes from 100% renewable sources, and it offers real-time usage insights through its platform.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Fixed (15 months) | £130 | £1,557 | £100 |
| Variable Smart | £142 | £1,700 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | Not available |
| Trustpilot score | 4.7 / 5 |
| Trustpilot reviews | 910 |
Why pick Fuse Energy?
Fuse Energy is the ideal pick for tech-first households looking to reduce bills while staying on top of usage in real time. Its AI-powered platform offers personalised usage stats, which can help you save even more.
The 15-month Fixed tariff delivers stability with a reasonable lock-in and exit fee, while the Variable Smart plan is competitive and commitment-free.
Ecotricity
A true pioneer, Ecotricity was founded in 1995 by Dale Vince and has remained fiercely independent and ethical. It uses customer revenue to build new wind and solar farms, and supports environmental causes including vegan football and electric transport networks.
All energy supplied is from renewable sources, and it has long refused to offer artificially cheap tariffs subsidised by venture capital.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Standard Variable Green Tariff | £138 | £1,658 | £150 |
| EcoFixed – 1 Year Green Tariff July 25 V6 | £162 | £1,946 | £0 |
Customer Service:
| Score | |
|---|---|
| Citzines Advice rating | 3.8 / 5 |
| Call wait time | 1:07 |
| Complaints per 10k | 19.3 |
| Trustpilot score | 4.3 / 5 |
| Trustpilot reviews | 6,223 |
Why pick Ecotricity?
Ecotricity is the top choice for those who want their energy bills to fund new renewable infrastructure directly. You’ll pay a little more, but with that comes ethical reassurance, green gas, and carbon-cutting in action. Its Green Fixed tariffs offer peace of mind with predictable costs, great for those who want to support environmental change without volatility.
Tulo Energy
Founded by the same team behind Outfox Energy, Tulo Energy is one of the UK’s newer green suppliers. It stands out for its simple pricing structure and digital-first service. All electricity is certified 100% renewable, and customers can choose between a straightforward variable or fixed-rate deal.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit fee |
|---|---|---|---|
| Tulo Fixed 12 months V2 | £132 | £1,581 | £120 |
| Vari-One (SVT) | £136 | £1,630 | £0 |
Customer Service:
| Score | |
|---|---|
| Citizens Advice rating | Not available |
| Trustpilot score | 4.5 / 5 |
| Trustpilot reviews | 643 |
Why pick Tulo Energy?
Tulo is ideal for customers who want clarity, simplicity, and green credentials. The Tulo Fixed 12m V2 plan offers one of the most competitive prices on the market for a renewable fixed deal, while the flexible Vari-One tariff gives you no-fuss monthly billing. It’s a solid choice for anyone who wants to avoid complexity and support a smaller, ethical supplier.
OVO Energy
Founded in 2009, OVO has grown rapidly into one of the UK’s “Big Four” suppliers. It acquired SSE’s retail arm and now serves millions of homes. OVO aims to deliver net-zero carbon energy and provides customers with tree-planting schemes, usage insights, and optional carbon-offsetting extras.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| 1 Year Fixed + Boiler Cover 29 July 2025 | £133 | £1,595 | £100 |
| 1 Year Fixed 29 July 2025 | £141 | £1,695 | £100 |
| 2 Year Fixed 29 July 2025 | £146 | £1,746 | £190 |
| Simpler Energy (Price Capped tariff) | £146 | £1,749 | £0 |
| 1 Year Fixed + Greener Electricity 29 July 25 | £148 | £1,775 | £100 |
Customer Service:
| Score | |
|---|---|
| Citizens Advice Rating | 3.3 / 5 |
| Trustpilot Score | 4.4 / 5 |
| Trustpilot Reviews | 152,000 |
Why pick OVO Energy?
OVO combines green ambitions with household practicality. Their 1 Year Fixed + Boiler Cover deal is especially attractive, it offers a solid rate and adds the reassurance of home emergency cover. OVO’s carbon-offsetting, tree-planting, and smart meter integrations make it a well-rounded supplier for families who want a balance between price, performance, and planet.
So Energy
Founded in 2015, So Energy prides itself on simplicity, green power, and transparency.
All electricity is 100% renewable, and customers can even vote on which green sources the supplier invests in. It’s also known for stable prices and excellent customer support.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| So Epping One Year – Green | £137 | £1,644 | £100 |
| So Epping Two Year – Green | £138 | £1,652 | £150 |
| So Flex (Price Capped tariff) | £146 | £1,748 | £0 |
Customer Service:
| Score | |
|---|---|
| Citizens Advice Rating | 3.7 / 5 |
| Call Wait Time | 1:27 |
| Complaints per 10k | 15.0 |
| Trustpilot Score | 4.5 / 5 |
| Trustpilot Reviews | 8,317 |
Why pick So Energy?
So Energy is great for households that want renewable power without hassle. It’s consistently ranked high for customer satisfaction and transparency. The So Epping One Year – Green tariff is particularly good value and locks in a competitive rate while helping you support specific types of renewable generation. Their approach to customer choice and stability makes them a strong ethical alternative to the big names.
EDF Energy
EDF Energy is part of Électricité de France (EDF), one of Europe’s largest utility companies. Operating nuclear and renewable energy assets, EDF has been a staple in the UK energy landscape for decades. It offers a blend of low-carbon electricity and reliable pricing, with solid digital account management.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Simply Fixed Aug26v5 | £138 | £1,658 | £100 |
| Simply Tracker Sep26 | £142 | £1,699 | £50 |
| Standard (Price Capped) | £146 | £1,749 | £0 |
| Simply Fixed 2Yr Jul27 | £148 | £1,781 | £100 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice Rating | 2.7 / 5 |
| Trustpilot Score | 4.8 / 5 |
| Trustpilot Reviews | 156,000 |
Why pick EDF Energy?
EDF is ideal for customers who want low-carbon electricity from a big, established supplier. With both nuclear and renewable sources, it keeps carbon emissions low. The Simply Tracker Sep26 is a good middle ground, it tracks below the price cap and includes a modest exit fee. If you prefer fixed deals, the Simply Fixed Aug26v5 is competitively priced and offers stability for two years.
Utility Warehouse
Utility Warehouse (UW) is a multi-service provider offering energy, broadband, mobile, and insurance, all on one bill. It’s particularly attractive to those who bundle services, as this can unlock extra savings and exclusive tariffs. Although less well-known, UW has strong customer loyalty and offers incentives for referrals.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| UW Fixed Saver 55 | £139 | £1,671 | £150 |
| UW Fixed 55 | £142 | £1,705 | £150 |
| Double Gold | £142 | £1,699 | £0 |
| Gold | £144 | £1,729 | £0 |
| Value (Price Capped) | £146 | £1,748 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice Rating | 3.2 / 5 |
| Trustpilot Score | 4.4 / 5 |
| Trustpilot Reviews | 33,812 |
Why pick Utility Warehouse?
UW is best for multi-service customers. If you’re happy to get your broadband, mobile or insurance with them too, you’ll unlock the best energy rates and simplify your household bills. The UW Fixed Saver 55 is a standout fixed deal, lower than many standard tariffs, and even more affordable with bundled services. It’s a smart pick if you’re loyal and want everything in one place.
Octopus Energy
Arguably the most popular challenger brand, Octopus Energy has shaken up the UK market with its transparency, customer service, and tech-led innovation. It’s also the supplier behind several white-label brands (like Co-op Energy and M&S Energy) and is known for its 100% renewable electricity.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Octopus 12M Fixed July 2025 v5 | £141 | £1,688 | £0 |
| Flexible Octopus (Price Capped tariff) | £145 | £1,742 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice Rating | 4.2 / 5 |
| Trustpilot Score | 4.9 / 5 |
| Trustpilot Reviews | 248,000+ |
Why pick Octopus Energy?
Octopus is the go-to supplier for those who value transparency, green energy, and award-winning service. The 12M Fixed deal is one of the few fixed tariffs on the market with no exit fee, offering flexibility alongside price certainty.
Their digital tools, such as smart meter integration and the Agile tariff (for advanced users), make Octopus a market leader. If you’re new to switching or just want it to be easy, Octopus is a safe and ethical choice.
Co-op Energy
Co-op Energy, now powered by Octopus Energy’s systems and support team, retains its Co-operative values while delivering modern service. Profits go back into supporting ethical causes and the community, making it a popular pick for customers who care about social impact.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Co-op 12M Fixed July 2025 v5 | £141 | £1,688 | £0 |
| Co-op Flexible (Price Capped tariff) | £145 | £1,742 | £0 |
| Co-op Community Power 12M Fixed July 2025 v5 | £146 | £1,757 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice Rating | 3.4 / 5 |
| Trustpilot Score | 4.8 / 5 |
| Trustpilot Reviews | 8,586 |
Why pick Co-op Energy?
Co-op Energy is ideal if you’re seeking a values-driven supplier with Octopus’ great service behind the scenes. The Co-op 12M Fixed plan gives solid price protection and zero exit fees, making it a no-risk commitment. For those who want to support co-operative ownership and local energy initiatives, Co-op is a brilliant blend of ethics and affordability.
E.ON Next
E.ON Next is the UK-focused, digital-first arm of the German energy giant E.ON. After absorbing Npower’s customer base, E.ON Next became one of the country’s largest suppliers, with a focus on sustainability, digital innovation, and responsive service.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Next Pledge Tracker 12m v9 | £141 | £1,695 | £0 |
| Next Gust 12m V32 | £143 | £1,712 | £100 |
| Next Fixed 12M V74 | £144 | £1,724 | £100 |
| Next Fixed 24M V33 | £145 | £1,738 | £200 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 3.1 / 5 |
| Call wait time | 1:20 |
| Complaints per 10k | 22.0 |
| Trustpilot score | 4.5 / 5 |
| Trustpilot reviews | 171,000 |
Why pick E.ON Next?
If you’re after a dependable, big-name supplier with a digital edge, E.ON Next delivers. Their Next Pledge Tracker offers a competitively priced variable deal with no exit fee, and fixed-rate options give budget-conscious households predictability.
The provider strikes a solid balance between price and service, with responsive support and eco credentials (100% renewable electricity as standard).
Sainsbury’s Energy
Powered by E.ON Next in the background, Sainsbury’s Energy combines supermarket branding with reliable infrastructure. Customers can sometimes earn Nectar points on their bills, giving this supplier an edge for loyal shoppers.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Sainsburys Fix and Reward Fixed 12m v55 | £141 | £1,697 | £100 |
| Sainsburys Fix and Reward Fixed 24M v35 | £146 | £1,748 | £200 |
| Sainsbury’s Standard Variable | £146 | £1,749 | £0 |
| Sainsburys Track and Reward 12m v1 | £146 | £1,749 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 3.1 / 5 |
| Call wait time | 1:20 |
| Complaints per 10k | 22.0 |
| Trustpilot score | 4.5 / 5 |
| Trustpilot reviews | 171,000 |
Why pick Sainsbury’s Energy?
Sainsbury’s Energy is a solid pick for shoppers who like to keep things under one roof, especially if they want to earn Nectar points while saving on their energy bill. The 12-month Fix and Reward tariff offers a middle-ground deal with a reliable price and bonus perks, backed by E.ON’s infrastructure.
British Gas
Founded in 1812, British Gas is the oldest energy supplier in the world and remains a household name. Now part of Centrica, it combines traditional gas supply with modern features like HomeCare boiler cover and smart tech integration.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Cap Tracker Sep26 | £142 | £1,699 | £20 |
| Fixed Tariff v84 | £142 | £1,708 | £100 |
| Standard Variable (Price Capped) | £146 | £1,749 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 2.9 / 5 |
| Call wait time | 2:29 |
| Complaints per 10k | 72.7 |
| Trustpilot score | 4.3 / 5 |
| Trustpilot reviews | 291,000 |
Why pick British Gas?
British Gas offers an unparalleled service network and long-standing reputation. The Cap Tracker Sep26 is a good shout for those wanting a capped rate that still moves with the market, with a low exit fee to boot. While customer service scores are middling, the added services (like boiler care) may make it worthwhile.
Utilita
Utilita focuses on prepayment and PAYG energy customers, offering tailored services for those who prefer to monitor and control usage closely. It’s a popular supplier among low-income households and renters.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Smart Energy (Price Capped tariff) | £146 | £1,749 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 2.6 / 5 |
| Call wait time | 1:50 |
| Complaints per 10k | 33.3 |
| Trustpilot score | 4.4 / 5 |
| Trustpilot reviews | 52,000 |
Why pick Utilita?
Utilita is one of the best-known names in prepay energy. If you’re on a smart PAYG meter, they offer flexible top-ups and user-friendly app tracking. Their price-capped tariff matches the Ofgem cap and has no exit fee, making it a safe and accessible choice for those wanting cost control.
ScottishPower
One of the UK’s “Big Six” suppliers, ScottishPower is part of the Iberdrola group, a major Spanish utility focused on renewables. It serves millions across the UK with a wide range of plans and optional home services.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Standard (Price Capped tariff) | £146 | £1,749 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 2.5 / 5 |
| Call wait time | 2:03 |
| Complaints per 10k | 66.8 |
| Trustpilot score | 4.1 / 5 |
| Trustpilot reviews | 43,000 |
Why pick ScottishPower?
ScottishPower’s main appeal lies in its size and stability. It may not be the cheapest, but it’s widely available, Ofgem-regulated, and offers optional smart upgrades like EV charging bundles. Its variable plan keeps you under the price cap, ideal for households not wanting to commit to a fixed deal.
Good Energy
Founded in 1999, Good Energy is a pioneer in the UK green energy space. It supplies 100% renewable electricity sourced directly from a network of over 1,700 independent generators, including wind, solar, and hydro.
Tariffs:
| Tariff Name | Type | Length | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|---|---|
| Good Energy Deemed DD | Variable | Monthly rolling | £157 | £1,885 | £0 |
| Good Energy Standard | Variable | Monthly rolling | £168 | £2,013 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 3.2 / 5 |
| Call wait time | 1:25 |
| Complaints per 10k | 21.4 |
| Trustpilot score | 4.2 / 5 |
| Trustpilot reviews | 3,352 |
Why pick Good Energy?
Good Energy stands out as a premium green supplier, perfect for households that care deeply about the provenance of their power. You’re not just buying renewable electricity; you’re helping to support local, independent generators. While prices are higher than average, your bill goes toward a more ethical and decentralised energy system.
100Green
Previously known as Green Energy UK, 100Green is the only UK supplier to offer both 100% renewable electricity and 100% green gas. Since 2001, it’s operated with a mission to provide genuinely sustainable energy without compromise.
Tariffs:
| Tariff Name | Monthly Cost | Yearly Cost | Exit Fee |
|---|---|---|---|
| Sparkling Guarantee – Mar 2026 | £171 | £2,057 | £0 |
| Sparkling SVT | £172 | £2,061 | £0 |
| Eko Energy 2026 | £188 | £2,257 | £0 |
Customer Service:
| Metric | Value |
|---|---|
| Citizens Advice rating | 3.9 / 5 |
| Call wait time | 0:17 |
| Complaints per 10k | 7.3 |
| Trustpilot score | 4.1 / 5 |
| Trustpilot reviews | 1,279 |
Why pick 100Green?
100Green is the gold standard for sustainability. If you’re committed to making your energy usage as low-impact as possible, this is one of the only suppliers in the UK offering 100% green gas, not just green electricity. Their tariffs are some of the most eco-credible on the market, though they come at a premium.
Final thoughts
Switching energy suppliers might seem like a hassle, but the potential savings make it well worth the effort. The current market offers a range of options, from flexible, variable tariffs to stable, fixed-rate plans, so there’s something to suit every household’s needs.
As we head into the summer months, now is the perfect time to review your energy usage and make the switch to a more cost-effective plan. Keep an eye on the market, use comparison tools, and don’t be afraid to make a change. Your wallet will thank you.
With dozens of suppliers and even more tariffs, the UK energy market can feel overwhelming. Here’s a quick guide on what to look for depending on your priorities:
- Cheapest Fixed Deal: Outfox Energy
- Best Digital Features: Fuse Energy or Octopus Energy
- Top for Green Credentials: 100Green or Good Energy
- Most Flexible (No Exit Fees): Home Energy or Octopus
- Best for Customer Service: Octopus Energy, Co-op Energy, 100Green