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Supplier comparison

E.ON Next vs OVO Energy (September 2026)

E.ON Next vs OVO Energy

Our verdict
★ Winner: E.ON Next

E.ON Next is our overall winner, offering cheaper tariffs and stronger independent service scores, though OVO Energy performs slightly better on Trustpilot.

Key takeaways

E.ON Next leads this comparison, providing cheaper fixed and variable tariffs in our current data alongside higher independent service scores. Although OVO Energy holds a slight edge on Trustpilot and answers calls faster, E.ON Next's lower prices and higher Citizens Advice ranking make it the stronger option for most households.

•Lower prices across overall, fixed, and variable tariffs in our current data
•Achieves higher scores in Citizens Advice and Which? evaluations
•Holds a significantly higher rating on the Google Play Store for Android users
Trustpilot
E.ON Next
4.5
225,716 reviews
OVO Energy
4.7
299,269 reviews
Citizens Advice rank
E.ON Next
#3
OVO Energy
#8
Cheapest variable
E.ON Next
£1,560
/year
OVO Energy
£1,611
/year
iOS app
E.ON Next
N/A
OVO Energy
4.6

About E.ON Next and OVO Energy

Who is E.ON Next?

E.ON Next is the retail brand of E.ON UK, which is owned by the German energy company E.ON SE. It was set up to replace the older E.ON brand and npower, and today it is one of the UK's largest domestic energy suppliers. What sets it apart is its focus on smart technology and specialist tariffs for households with electric vehicles, heat pumps, and solar batteries. It also gives customers a dedicated team of Energy Specialists to speak to when they need help.

Products & services

Standard variable tariff
flexible plan with no exit fees
Fixed tariffs
12 and 24-month plans for price certainty
Tracker tariff
variable plan that stays below the price cap
Specialist tariffs
options for electric vehicles, heat pumps, and solar batteries

Awards & recognition

✓Flex Accreditation — Uswitch, 2026
✓Best Overall Improvement — Uswitch Energy Awards, 2026

Who is OVO Energy?

OVO Energy was set up in 2009 and is owned by the OVO Group. It grew significantly in 2020 when it bought the household energy business of SSE, making it one of the UK's largest domestic energy suppliers. In 2026, OVO announced a planned deal to sell its retail energy business to E.ON, though the two companies continue to run separately. A key feature of the supplier is its focus on smart technology, including an app to track energy use, a rewards programme called OVO Beyond, and a scheme that rewards customers for shifting their energy use away from peak times.

Products & services

Standard variable tariff
flexible plan with no fixed end date
Fixed tariffs
12- and 24-month plans to lock in prices
Bundled tariffs
fixed plans with added boiler cover or green electricity
Specialist add-ons
options for electric vehicle charging and solar export

Awards & recognition

✓Energy Accreditation — Uswitch, 2026
✓Best Value for Money — Uswitch Energy Awards, 2025
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Tariffs and pricing

E.ON Next
TRACKER
Next Pledge Tracker 12m v12
£1,560/year
12-month term · Tracks wholesale rates · Exit fee £50
Best for: customers comfortable with tracked rates
CHEAPEST
FIXED 24M
Next Fixed 24m Exclusive v11
£1,510/year
24-month term · Exit fee £200
Best for: price certainty
OVO Energy
VARIABLE
Simpler Energy
£1,611/year
No fixed term · Variable rates can change
Best for: maximum flexibility
FIXED 12M
1 Year Fixed + Boiler Cover 27 August 2026
£1,742/year
12-month term · Exit fee £100
Best for: price certainty

E.ON Next provides the lower-priced overall deal in our comparison. Its most affordable option is the Next Fixed 24m Exclusive v11, a 24-month fixed tariff estimated at £1,510 a year with a £200 total exit fee. Conversely, OVO Energy's cheapest overall plan is its Simpler Energy standard variable tariff, priced at £1,611 a year with no fixed term or exit fees.

When comparing fixed contracts, E.ON Next maintains its price advantage. Its £1,510 a year 24-month tariff undercuts OVO Energy's most affordable fixed option, the 1 Year Fixed + Boiler Cover 27 August 2026, which costs £1,742 a year for a 12-month term and carries a £100 exit fee.

Households seeking a variable rate may prefer E.ON Next's Next Pledge Tracker 12m v12. This tracker tariff is estimated at £1,560 a year and includes a £50 exit fee. OVO Energy's closest equivalent is the Simpler Energy standard variable tariff, which costs £1,611 a year but does not charge exit fees.

E.ON Next vs OVO Energy — Tariffs and pricing
MetricE.ON NextOVO Energy
Cheapest tariff£1,510 / year£1,611 / year
Cheapest variable tariff£1,560 / year£1,611 / year
Cheapest fixed tariff£1,510 / year£1,742 / year

E.ON Next and OVO Energy: Tariff Options

E.ON Next tariffs

E.ON Next offers a range of standard variable and fixed-term tariffs, with fixed contract lengths of 12 and 24 months. It also provides several specialist tariffs designed for households with electric vehicles, heat pumps, and solar battery storage.

Next Flex
standard variable tariff with no exit fees
Best forhouseholds that want flexibility and do not want to be tied into a contract
Next Fixed 12m v151
12-month fixed tariff
Best forcustomers who want price certainty for a year
Next Fixed 24m v65
24-month fixed tariff
Best forcustomers who want long-term protection from market price rises
Next Fixed 24m Exclusive v11
24-month fixed tariff
Best forcustomers looking for a long-term fixed deal
Next Pledge Tracker 12m v12
12-month variable tracker tariff that stays below the price cap
Best forcustomers who want to save money compared to the standard price cap
Next Gust 12m v62
12-month fixed green tariff backed by UK wind energy
Best forhouseholds that want to support UK wind power while fixing their prices
Next Drive
specialist electric vehicle tariff with cheaper overnight rates
Best forEV owners who charge their cars at home while they sleep
Next Drive Smart
specialist electric vehicle tariff with cheaper off-peak rates
Best forEV owners who want lower overnight charging costs
Next Pumped
specialist tariff for air source heat pumps with cheaper overnight electricity
Best forhouseholds looking to lower the running costs of their heat pump

OVO Energy tariffs

OVO Energy offers standard variable and fixed-term plans, including 12- and 24-month fixed options. It also provides bundled options that include extra services, as well as specialist add-ons for electric vehicle charging and solar export.[1]

Simpler Energy
standard variable tariff with no fixed end date
Best forhouseholds that want the freedom to switch suppliers at any time
1 Year Fixed 27 August 2026
12-month fixed tariff
Best forcustomers who want to know exactly what their unit rates will be for a year
1 Year Fixed + Boiler Cover 27 August 2026
12-month fixed tariff including boiler cover and an emergency helpline
Best forhouseholds that want price certainty and protection against boiler breakdowns
1 Year Fixed + Greener Electricity 27 August 2026
12-month fixed tariff including a renewable electricity upgrade
Best forcustomers who want to fix their prices while supporting renewable energy
Charge Anytime
specialist electric vehicle add-on offering a fixed monthly price for charging
Best forEV owners who want to lower their charging costs
Smart Export Guarantee (SEG)
specialist export tariff that pays for sending renewable electricity to the grid
Best forhomes with solar panels

Customer reviews

★Trustpilot
E.ON Next4.5 / 5
OVO Energy4.7 / 5
⚖Citizens Advice
E.ON Next#3
OVO Energy#8
✓Which?
E.ON Next66 %
OVO Energy61 %

Both suppliers generate substantial feedback on Trustpilot. OVO Energy achieves a slightly higher score of 4.7 out of 5 across more than 299,000 reviews, while E.ON Next holds 4.5 out of 5 from over 225,000 reviews. Five-star ratings make up 78% of OVO Energy's total, compared to 75% for E.ON Next. Both companies share an identical 9% proportion of one-star reviews.

Trustpilot feedback for E.ON Next frequently mentions helpful staff, professional engineers, and a smooth switching process, alongside occasional complaints regarding rising standing charges and communication gaps. OVO Energy reviewers often highlight polite advisors resolving complex problems and prompt home visits, though some note long wait times and delayed communications.

E.ON Next performs better in the latest Which? annual survey, securing an overall rating of 66 out of 100 against OVO Energy's 61. Furthermore, E.ON Next achieves 8 out of 15 for its handling of complaints, whereas OVO Energy scores 6 out of 15.

App ratings and features

App Store
E.ON NextN/A
OVO Energy4.6 · 18,000 ratings
Google Play
E.ON Next4.3 · 16,278 ratings
OVO Energy2.8 · 10,825 ratings

E.ON Next holds a clear advantage on the Google Play Store for Android users, achieving a score of 4.3 out of 5 from over 16,000 ratings. OVO Energy records a lower score of 2.8 out of 5 across more than 10,000 ratings. Both applications are actively maintained and exceed 1,000,000 installs.

On iOS, OVO Energy provides a highly rated app scoring 4.6 out of 5 from 18,000 ratings, with recent release notes detailing ongoing bug fixes and performance improvements. Because current App Store ratings for E.ON Next are absent from our data, a direct comparison for Apple users is not possible.

Customer service and support

Citizens Advice rank
E.ON Next
#3
OVO Energy
#8
Citizens Advice score
E.ON Next
3.71
out of 5
OVO Energy
3.3
out of 5
Emails ≤2 days
E.ON Next
91%
OVO Energy
99%
Avg call wait
E.ON Next
2.1 min
OVO Energy
1.6 min
ChannelE.ON NextOVO Energy
Phone

Average wait: 2.1 min

Hours: Mon–Thu 9am–5pm, Fri 9am–4pm, closed Saturday, closed Sunday

Average wait: 1.6 min

Hours: Weekdays 9am–5pm, closed Saturday, closed Sunday

Email

Replies: 91% within 2 days

Hours: 24/7

Replies: 99% within 2 days

Hours: 24/7

Social media
Not reported

Average response: ~7 min

Hours: Business hrs

E.ON Next achieves stronger results in independent evaluations, placing 3rd in the latest Citizens Advice data with an overall score of 3.71 out of 5. OVO Energy sits five places lower in 8th position, scoring 3.3 out of 5. Both suppliers maintain formal vulnerability commitments registered with Citizens Advice.

Despite lower overall scores, OVO Energy responds to customers slightly faster. Its average call centre wait time is 1 minute 33 seconds, compared to 2 minutes 3 seconds for E.ON Next. OVO Energy also replies to 98.5% of emails within two days, whereas E.ON Next manages 90.7% in that timeframe. Additionally, OVO Energy records a social media response time of 6 minutes 53 seconds, a metric missing from E.ON Next's current data.

E.ON Next operates its phone lines from 9am to 5pm Monday to Thursday, and 9am to 4pm on Fridays. OVO Energy's phone support is available on weekdays from 9am to 5pm. Neither supplier opens its phone lines on weekends.

E.ON Next vs OVO Energy — Customer service and support
MetricE.ON NextOVO Energy
Average social media response timeN/A6 minutes 53 seconds

Complaints and performance

Per 100k customers
E.ON Next
760
Q2 2026
OVO Energy
1,775
Q2 2026
CA per 10k
E.ON Next
29.8
Citizens Advice
OVO Energy
39.5
Citizens Advice
Resolved same/next day
E.ON Next
50%
OVO Energy
64%
Resolved ≤8 weeks
E.ON Next
90%
OVO Energy
91%

Complaint figures are shown with each supplier’s reporting period. No winner is declared when periods differ or one figure is missing.

E.ON Next — complaint themes
Customer service
32.28%
Reported complaint category for Q2 2026.
Payments
12.16%
Reported complaint category for Q2 2026.
General billing and meter reading issues
11.19%
Reported complaint category for Q2 2026.
Debt and debt-related disconnections
10.4%
Reported complaint category for Q2 2026.
Smart billing and meter reading issues
7.02%
Reported complaint category for Q2 2026.
OVO Energy — complaint themes
Customer Service
Any issues with the services provided by OVO.
Payment issues
Any complications with the setup or functionality of our customer’s payment method across all payment types.
Smart billing and meter reading issues
Any problems with the presentation of bills, including incorrect bills and billing frequency, for customers who own a smart meter.
Debt & Debt-related disconnections
Disconnections or issues related to debt management for our pay monthly customers.
General billing and meter reading issues
Any problems with the presentation of bills, including incorrect bills and billing frequency, for customers who do not own a smart meter.

Green Energy Comparison

E.ON Next
86%Renewable
✓ January to March 2026
Renewable86%
Nuclear2%
Fossil fuel12%
Other1%
OVO Energy
11%Renewable
✓ January to March 2026
Renewable11%
Nuclear9%
Fossil fuel74%
Other6%

E.ON Next's green energy approach

According to Citizens Advice data, E.ON Next supplies a mostly renewable mix, with some fossil fuels and nuclear energy. The supplier offers 100% renewable electricity on specific green tariffs, such as Next Gust, which is backed by UK wind generators. For its standard renewable claims, it matches usage with Renewable Energy Guarantee of Origin (REGO) certificates rather than generating the power directly. The company has a target to reach net zero emissions by 2050. It also includes a one-off donation to the Woodland Trust for customers who sign up for its fixed tariffs, pledging to donate £500,000 over three years to help restore ancient woodlands.[1][2]

OVO Energy's green energy approach

According to Citizens Advice data, OVO Energy supplies a mix that is largely fossil fuels, with some renewable and nuclear energy. Despite this, the supplier runs a "Plan Zero" strategy with a target to reach true net zero by 2035. Its Plan Zero strategy limits its reliance on carbon offsets to a maximum of 10%. Customers can choose to add a "Greener Electricity" upgrade to their tariff to support renewable generation. As part of its sustainability investments, the company has planted 5 million trees in the UK since 2015 on behalf of its customers.[3][4][5]

Our verdict

Which should you choose?
If you care most aboutChoose
The lowest annual cost on our assumptionsE.ON Next
Overall customer serviceE.ON Next
A well-rated mobile appOVO Energy
A greener fuel mixE.ON Next
Our verdict
★ Winner: E.ON Next

E.ON Next is our overall winner, offering cheaper tariffs and stronger independent service scores, though OVO Energy performs slightly better on Trustpilot.

Based on the available evidence, E.ON Next may suit most households better, primarily because it currently offers cheaper fixed and variable tariffs. It also secures higher rankings in independent service evaluations from Citizens Advice and Which?, alongside a higher-rated app experience for Android users.

OVO Energy remains a viable alternative, performing slightly better on Trustpilot and answering calls and emails faster than E.ON Next. However, its higher prices across our compared tariffs and lower independent service scores mean it places second overall in this comparison.

E.ON NextWinner
✓Pros
  • Lower prices across overall, fixed, and variable tariffs
  • Higher scores from Citizens Advice and Which?
  • Significantly higher rating on the Google Play Store
×Cons
  • Slightly lower Trustpilot score than OVO Energy
  • Longer average call centre wait times
OVO Energy
✓Pros
  • Slightly higher overall Trustpilot rating
  • Faster average call centre and email response times
  • Highly rated iOS app
×Cons
  • More expensive fixed and variable tariffs in our comparison
  • Lower scores from Citizens Advice and Which?
  • Lower rating on the Google Play Store

Frequently asked questions

Who is the overall winner between E.ON Next and OVO Energy?

E.ON Next is our overall winner. It offers cheaper fixed and variable tariffs in our current pricing data, and it ranks higher in independent customer service evaluations from Citizens Advice and Which?.

Which supplier offers the cheapest fixed tariff?

E.ON Next offers the cheaper fixed deal in our comparison. Its cheapest fixed tariff costs £1,510 a year, compared to £1,742 a year for OVO Energy's cheapest fixed option.

What do customers say about E.ON Next and OVO Energy on Trustpilot?

Both suppliers score very highly on Trustpilot. OVO Energy has a slightly higher rating of 4.7 out of 5, with customers praising its helpful advisors. E.ON Next scores 4.5 out of 5, with reviewers frequently highlighting professional engineers and a smooth switching process.

Which supplier has the better mobile app?

E.ON Next has a significantly better rating on the Google Play Store for Android users (4.3 out of 5, compared to OVO Energy's 2.8). OVO Energy has a highly rated iOS app (4.6 out of 5), but we do not currently have iOS data for E.ON Next to compare directly.

How do E.ON Next and OVO Energy compare for call wait times?

OVO Energy answers calls slightly faster. Its average call centre wait time is 1 minute 33 seconds, while E.ON Next takes an average of 2 minutes 3 seconds to answer.

Should I choose E.ON Next or OVO Energy?

For most households, E.ON Next is the stronger choice because it currently offers cheaper tariffs and scores higher with Citizens Advice and Which?. However, if you prefer slightly faster call answering and value a high Trustpilot score, OVO Energy remains a solid option.

Do E.ON Next and OVO Energy charge exit fees?

Yes, both suppliers charge exit fees on their fixed tariffs. E.ON Next's cheapest fixed tariff carries a £200 total exit fee, while OVO Energy's cheapest fixed tariff has a £100 exit fee. Neither supplier charges exit fees on their standard variable tariffs.

How do these suppliers perform in Citizens Advice rankings?

E.ON Next ranks higher in the latest Citizens Advice data, placing 3rd overall with a score of 3.71 out of 5. OVO Energy ranks lower in 8th place, with a score of 3.3 out of 5.

Do E.ON Next and OVO Energy offer tracker tariffs?

Yes, E.ON Next offers a tracker tariff called Next Pledge Tracker, which is designed to stay below the standard price cap. OVO Energy does not offer a tracker tariff in our current pricing data.

Are E.ON Next and OVO Energy the same company?

No, they currently operate separately. However, in 2026, OVO announced a planned deal to sell its retail energy business to E.ON. Until the deal is complete, they remain independent suppliers.

What changed this month

This month, OVO Energy's play store net-positive % fell from 1.3 to -9.2, E.ON Next's iOS app updates in last 90 days fell from 3 to 0, and E.ON Next's iOS sampled neutral reviews fell from 1 to 0. There were 28 other data changes this month — see the full changelog below for details.

Data changes this month (34)

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Rob Gibbs

Written by

Rob Gibbs

Hi, I'm Rob, and I run Energy-Review.co.uk. I initially started this project in 2018 when I was looking to switch energy suppliers and found there wasn't a website that provided simple, data-backed reviews on all the suppliers available. Since then, I have spent a lot of time (too much, some may say!) looking at all publicly available data about each supplier and writing reviews using this information. These reviews are updated as regularly as possible, and any data is backed up by a source where necessary. I have also started writing guides on various energy-related topics, which hopefully you will find useful. If you find any issues, please use our contact form to let us know.

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