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Energy Review
Supplier comparison

OVO Energy vs Utility Warehouse (August 2026)

Overview

Our verdict
★ Winner: Utility Warehouse

Utility Warehouse is cheaper in our comparison, while OVO Energy has faster response times and stronger Citizens Advice results; the better choice depends on your priorities.

Key takeaways

Utility Warehouse provides cheaper fixed and variable tariffs in this comparison, which may suit households focused primarily on price. Conversely, OVO Energy performs better across customer service metrics, recording faster call wait times and higher independent ratings.

Utility Warehouse supplies cheaper overall and fixed tariffs based on the data in this comparison.
OVO Energy records faster average call wait times and a higher email response rate.
OVO Energy achieves a higher overall Citizens Advice score and a stronger Trustpilot rating.
Trustpilot
OVO Energy
4.7
293,863 reviews
Utility Warehouse
4.2
81,260 reviews
Citizens Advice rank
OVO Energy
#8
Utility Warehouse
#14
Cheapest variable
OVO Energy
£1,805
/year
Utility Warehouse
£1,698
/year
iOS app
OVO Energy
4.6
Utility Warehouse
4.5

About OVO Energy and Utility Warehouse

Who is OVO Energy?

Founded in 2009, OVO Energy is privately backed by OVO Group and grew to become one of the UK's largest domestic energy suppliers after buying the retail arm of SSE in 2020. In May 2026, OVO announced a planned sale of its UK energy retail business to E.ON. The supplier focuses on smart technology and electric vehicle charging, offering a loyalty scheme called Beyond that gives customers rewards.

Standard variable tariffs
flexible energy plans with no exit fees
Fixed tariffs
plans that lock in prices for a set term
Tariff add-ons
optional extras like boiler cover or greener electricity
EV charging add-on
cheaper rates for smart charging an electric car
edie Award2025 (edie)

Who is Utility Warehouse?

Founded in 2002, Utility Warehouse is owned by Telecom Plus PLC and is one of the UK's largest energy suppliers. It operates as a multiservice provider, bundling energy with broadband, mobile phone contracts, and home insurance. Customers get a single monthly bill for all their home services, and the energy rates become cheaper when more services are added. It also offers a cashback card for everyday shopping that takes money off the monthly utility bill.

Standard variable tariffs
flexible plans with rates that depend on bundled services
Fixed tariffs
plans that lock in prices for a set term
EV tariff
a two-rate plan with cheaper overnight electricity
Which? Recommended Provider for Energy2025 (Which?)
Best Value for Money2025 (Uswitch)
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Tariffs and pricing

OVO Energy
VARIABLE
Simpler Energy
£1,805/year
No fixed term · Variable rates can change
Best for: maximum flexibility
FIXED 12M
1 Year Fixed + Boiler Cover 22 July 2026
£1,923/year
12-month term · Exit fee £100
Best for: price certainty
Utility Warehouse
CHEAPEST
TRACKER
UW Tracker Saver 4
£1,698/year
No fixed term · Tracks wholesale rates · Exit fee £150
Best for: customers comfortable with tracked rates
FIXED 11M
UW Fixed Saver 93
£1,806/year
11-month term · Exit fee £150
Best for: price certainty

Utility Warehouse supplies the cheaper energy in this comparison. Its lowest-priced overall plan is the UW Tracker Saver 4, a tracker tariff estimated at £1,698 a year for households with a smart meter. In contrast, OVO Energy’s cheapest deal is the Simpler Energy variable tariff, which costs £1,805 a year.

Although neither of these variable tariffs requires a fixed term, their exit fee policies differ. OVO Energy allows customers to leave its variable tariff without penalty. Meanwhile, Utility Warehouse applies a £150 exit fee to its variable plan.

For households preferring to lock in their unit rates, Utility Warehouse provides the cheaper fixed option. The UW Fixed Saver 93 costs £1,806 a year over an 11-month term for households with a smart meter, carrying a £150 exit fee. OVO Energy’s lowest-priced fixed alternative is the 1 Year Fixed + Boiler Cover 22 July 2026, priced at £1,923 a year for a 12-month term with a £100 exit fee.

Tariff Options

OVO Energy

OVO Energy offers standard variable and fixed tariffs for household customers, alongside specialist options for electric vehicle owners. Customers can also choose plans that include extras like boiler cover or a green electricity upgrade.

Simpler Energy
standard variable tariff with no exit fees
Best forpeople who want flexibility
1 Year Fixed 22 July 2026
fixed tariff with a 12-month term
Best forcustomers who want price certainty for a year
1 Year Fixed + Boiler Cover 22 July 2026
12-month fixed tariff that includes boiler cover
Best forhomeowners who want heating protection
1 Year Fixed + Greener Electricity 22 July 2026
12-month fixed tariff with a green electricity upgrade
Best forpeople who want to support renewable energy
Charge Anytime
EV charging add-on that works with any OVO tariff to give a cheaper unit rate for smart charging
Best forEV owners

Utility Warehouse

Utility Warehouse offers standard variable and fixed tariffs, with variable rates that change depending on how many other home services a customer bundles. It also provides a specialist tariff for electric vehicle charging.

Value
standard variable tariff for customers who only take energy
Best forpeople who do not want to bundle other services
Gold Variable
standard variable tariff for customers taking energy and one other service
Best forpeople bundling two services
Double Gold
standard variable tariff for customers taking energy and two or more other services
Best forpeople who want the cheapest variable rates by bundling
UW Tracker Saver 4
tracker tariff
Best forcustomers who want flexible pricing
UW Tracker Plus 4
standard variable tracker tariff
Best forcustomers who want flexible pricing
UW Tracker Start 4
standard variable tracker tariff
Best forcustomers who want flexible pricing
UW Fixed 93
fixed tariff with an 11-month term
Best forcustomers who want to lock in their energy prices
UW Fixed Saver 93
fixed tariff with an 11-month term
Best forcustomers who want to lock in their energy prices
UW Fixed Start 93
fixed tariff with an 11-month term
Best forcustomers who want to lock in their energy prices

Customer reviews

Trustpilot
OVO Energy4.7 / 5
Utility Warehouse4.2 / 5
Citizens Advice
OVO Energy#8
Utility Warehouse#14
Which?
OVO Energy61 %
Utility Warehouse69 %

OVO Energy achieves a higher Trustpilot score, holding a 4.7-star rating across 293,863 reviews. Utility Warehouse maintains a 4.2-star rating from 81,260 reviews. Furthermore, OVO Energy receives a larger proportion of five-star ratings, with 77% of reviewers awarding it top marks compared to 70% for Utility Warehouse.

Positive feedback for OVO Energy frequently mentions polite staff and prompt problem resolution. Conversely, some critical reviews note long wait times or being transferred between departments. Utility Warehouse customers regularly highlight helpful service and savings from bundling home services, though negative comments point to slow response times and unexpected charges.

Utility Warehouse performs better in the annual Which? energy survey, achieving an overall score of 69 compared to OVO Energy's 61. Additionally, Utility Warehouse receives a 10 out of 10 rating for helping customers who need it, while OVO Energy scores 9 out of 10 in the same category.

App quality

App Store
OVO Energy4.6 · 18,000 reviews
Utility Warehouse4.5 · 11,000 reviews
Google Play
OVO Energy3.02 · 10,621 reviews
Utility Warehouse4.19 · 11,150 reviews

Both suppliers provide mobile apps for account management, though ratings vary by operating system. On the iOS App Store, OVO Energy holds a 4.6-star rating from 18,000 reviews, whereas Utility Warehouse scores 4.5 stars across 11,000 reviews.

Utility Warehouse performs stronger on Google Play, where its Android app earns 4.2 stars from 11,150 ratings. In contrast, OVO Energy’s Android equivalent scores 3.0 stars from 10,621 ratings.

Recent iOS feedback indicates that OVO Energy customers find the app useful for tracking energy usage and updating payment details, although some report loading bugs on iPads. Utility Warehouse users note the app simplifies tracking cashback, but a portion of reviews mention difficulties when attempting to top up meters.

Customer service and support

Citizens Advice rank
OVO Energy
#8
Utility Warehouse
#14
Citizens Advice score
OVO Energy
3.3
out of 5
Utility Warehouse
2.45
out of 5
Emails ≤2 days
OVO Energy
99%
Utility Warehouse
41%
Avg call wait
OVO Energy
1.6 min
Utility Warehouse
7.3 min
ChannelOVO EnergyUtility Warehouse
PhoneWeekdays 9am–5pm, closed Saturday, closed SundayWeekdays 8:30am–5pm, open Saturday 9am–4:30pm, closed Sunday
Email24/724/7
Social mediaBusiness hrs

OVO Energy outperforms Utility Warehouse in the latest Citizens Advice ratings. It ranks 8th overall with a score of 3.3 out of 5, while Utility Warehouse places 14th with a score of 2.45.

For telephone support, OVO Energy records a faster response rate. Its average call centre wait time is 1 minute 33 seconds, whereas Utility Warehouse takes an average of 7 minutes 16 seconds to connect calls.

OVO Energy also demonstrates faster email support, responding to 98.5% of messages within two days compared to 40.5% for Utility Warehouse. Both suppliers maintain formal vulnerability commitments registered with Citizens Advice. Regarding operating hours, OVO Energy is closed on weekends, while Utility Warehouse opens its phone lines on Saturdays from 9am to 4:30pm.

Complaints and performance

Per 100k customers
OVO Energy
1,651
Q4 2025
Utility Warehouse
1,815
Q4 2025
CA per 10k
OVO Energy
39.5
Citizens Advice
Utility Warehouse
38.1
Citizens Advice
Resolved same/next day
OVO Energy
62%
Utility Warehouse
83%
Resolved ≤8 weeks
OVO Energy
89%
Utility Warehouse
100%

Both suppliers' data covers the fourth quarter of 2025. OVO Energy received 1,651 complaints for every 100,000 customers. Utility Warehouse received slightly more, with 1,815 complaints per 100,000 customers.

OVO Energy — complaint themes
Customer Service
Any issues with the services provided by OVO.
Payment issues
Any complications with the setup or functionality of customers’ payment methods across all payment types.
Smart billing and meter reading issues
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 pay monthly customers.
General billing and meter reading issues
Problems with the presentation of bills, including incorrect bills and billing frequency, for customers who do not own a smart meter.
Utility Warehouse — complaint themes
Customer service
36.59%
Complaints relating to customer service.
Billing
30.96%
Complaints relating to billing.
Smart meter installation
8.69%
Complaints relating to smart meter installation.
Payments
5.15%
Complaints relating to payments.
Debt & Debt-related issue
3.11%
Complaints relating to debt and debt-related issues.

Green Energy Comparison

OVO Energy
11%Renewable
January to March 2026
Renewable11%
Nuclear9%
Fossil fuel74%
Other6%
Utility Warehouse
0%Renewable
January to March 2026
Nuclear11%
Fossil fuel83%
Other7%

OVO Energy

OVO Energy supplies a fuel mix that is largely fossil fuels, with some renewable, nuclear, and other sources. In 2023, the company stopped using REGO certificates as standard and now uses a location-based approach that reflects the average carbon intensity of the National Grid. OVO has a net zero target to cut its emissions by 90% by 2035. It also plants one tree a year for every customer.[1]

Utility Warehouse

Utility Warehouse supplies a fuel mix that is largely fossil fuels, with some nuclear and other sources. The company offers green energy tariffs that include 100% renewable electricity, and it takes part in tree planting projects to help offset carbon emissions. It does not generate its own renewable power or offer solar export products.[2]

Our verdict

Which should you choose?
If you care most aboutChoose
The lowest annual cost on our assumptionsUtility Warehouse
Overall customer serviceOVO Energy
A well-rated mobile appOVO Energy
A greener fuel mixOVO Energy
Our verdict
★ Winner: Utility Warehouse

Utility Warehouse is cheaper in our comparison, while OVO Energy has faster response times and stronger Citizens Advice results; the better choice depends on your priorities.

Utility Warehouse presents the cheaper tariffs in this comparison. OVO Energy does better on Citizens Advice service measures, while Utility Warehouse has the higher Which? score.

Households prioritising price may find Utility Warehouse suitable, as it supplies cheaper fixed and variable tariffs. However, prospective customers should note the £150 exit fee on its variable plan and the longer average call centre wait times.

OVO Energy carries higher estimated annual costs, but it connects calls faster, responds to a higher percentage of emails within two days, and achieves stronger ratings on Trustpilot and Citizens Advice. Additionally, it permits customers to leave its cheapest variable tariff without an exit fee. Based on the data, households focused on minimising their energy bills may prefer Utility Warehouse, whereas those prioritising responsive customer support might lean towards OVO Energy.

OVO Energy
Pros
  • Faster average call centre wait times
  • Higher overall score from Citizens Advice
  • Higher Trustpilot rating, including 77% five-star reviews
  • No exit fees applied to its cheapest variable tariff
×Cons
  • Higher estimated costs for both fixed and variable tariffs in this comparison
  • Lower rating on the Google Play store
Utility WarehouseWinner
Pros
  • Lower estimated costs for variable and fixed tariffs in this comparison
  • Higher overall score in the Which? energy survey
  • Higher rating on the Google Play store
×Cons
  • Average call wait time exceeds 7 minutes
  • Lower percentage of emails responded to within two days
  • Applies a £150 exit fee to its cheapest variable tariff

Frequently asked questions

Which supplier is better overall, OVO Energy or Utility Warehouse?

Utility Warehouse wins on price in our comparison, offering cheaper fixed and variable tariffs. However, OVO Energy performs much better on customer service metrics, with faster call wait times and higher scores from Citizens Advice.

Does OVO Energy or Utility Warehouse have cheaper tariffs?

Utility Warehouse has the cheaper tariffs in our comparison. Its cheapest variable tariff costs £1,698 a year, while OVO Energy's cheapest variable deal costs £1,805 a year. Utility Warehouse also offers a cheaper fixed tariff.

Who has better customer reviews, OVO Energy or Utility Warehouse?

OVO Energy holds a higher Trustpilot rating with 4.7 stars compared to 4.2 stars for Utility Warehouse. However, Utility Warehouse scores slightly higher in the annual Which? customer satisfaction survey.

Are the OVO Energy and Utility Warehouse apps any good?

Both suppliers offer highly rated iOS apps, with OVO Energy scoring 4.6 stars and Utility Warehouse scoring 4.5 stars on the App Store. On Android, Utility Warehouse performs better, scoring 4.2 stars on Google Play compared to 3.0 stars for OVO Energy.

Which supplier answers the phone faster?

OVO Energy answers calls much faster than Utility Warehouse. According to Citizens Advice, OVO Energy has an average call wait time of 1 minute 33 seconds, while Utility Warehouse takes an average of 7 minutes 16 seconds.

Should I choose OVO Energy or Utility Warehouse?

If you want the cheapest energy tariffs in this comparison, Utility Warehouse is the better choice. If you prefer a supplier with faster customer service and no exit fees on its cheapest variable tariff, OVO Energy is the stronger option.

Do OVO Energy and Utility Warehouse charge exit fees?

OVO Energy lets you leave its cheapest variable tariff with no exit fee, though it charges £100 if you leave its cheapest fixed deal early. Utility Warehouse charges a £150 exit fee on both its cheapest fixed and variable tariffs.

Do OVO Energy and Utility Warehouse open on weekends?

Utility Warehouse opens its phone lines on Saturdays from 9am to 4:30pm, but is closed on Sundays. OVO Energy's phone lines are closed over the weekend, although its email support is available 24/7.

How long are the fixed terms for OVO Energy and Utility Warehouse?

OVO Energy's cheapest fixed tariff lasts for 12 months. Utility Warehouse's cheapest fixed tariff has an 11-month term.

Which supplier has the better Android app?

Utility Warehouse has a much stronger Android app, scoring 4.2 stars on Google Play. In contrast, OVO Energy's Android app scores 3.0 stars.

What changed this month

This month, OVO Energy's iOS app days since last update rose from 13 to 37, OVO Energy's play store days since last update rose from 14 to 37, and OVO Energy's cheapest tariff exit fee fell from £100 to £0. There were 25 other data changes this month — see the full changelog below for details.

Data changes this month (38)

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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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