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Sainsbury’s Energy Review (September 2026)

Sainsbury’s Energy review — September 2026: tariffs, customer reviews and service quality

Overview

Our verdict

Sainsbury’s Energy has a mixed evidence set; check current tariff terms and weigh the measures that matter to you.

Key facts
4.3 /5
Trustpilot
3,139 reviews
£1,611
Cheapest variable per year
Sainsbury's Standard Variable
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Prices

CHEAPEST
VARIABLE
Sainsbury's Standard Variable
£1,611/year
No fixed term · Variable rates can change
Best for: maximum flexibility
FIXED 24M
Sainsburys Fix and Reward Fixed 24m v51
£1,640/year
24-month term · Exit fee £200
Best for: price certainty

These are the tariffs we have pricing for — the supplier may offer others.

Annual estimates use the stored consumption assumptions. Check current regional rates, terms and eligibility before switching.

Customer reviews

4.3 / 5
Trustpilot
71 %
Which?

Independent ratings use different methods and scales, so each measure should be read separately.

Apps

Sainsbury’s Energy — Apps
MetricSainsbury’s Energy
App Store ratingN/A

App-store scores are shown with their ratings counts where those figures are available.

Service and support

Sainsbury’s Energy — Service and support
MetricSainsbury’s Energy
Citizens Advice scoreN/A

Service measures are shown only where they are present in the supplied data.

Complaints and performance

The complaint figures below use the reporting period stated in the supplied data.

Customer service
35.86%
Reported complaint category for Q2 2026.
Billing and meter reading issues - unrelated with meter type
16.11%
Reported complaint category for Q2 2026.
Payment issues
13.9%
Reported complaint category for Q2 2026.
Debt and debt-related disconnections - non-prepayment related
7.42%
Reported complaint category for Q2 2026.
Billing and meter reading issues - smart/advanced meter related
6%
Reported complaint category for Q2 2026.

Green energy

No source URL and reporting period are available for a verifiable fuel-mix breakdown.

Verdict

Sainsbury’s Energy has a mixed evidence set; check current tariff terms and weigh the measures that matter to you.

Use the evidence on price, service and app quality to decide whether Sainsbury’s Energy fits your household.

Pros
4.3 Trustpilot from 3,139 reviews
Cons
Cheapest fixed tariff carries a £200 exit fee
Most-cited complaint area: customer service

Frequently asked questions

What tariff information is available for Sainsbury’s Energy?

The stored data contains a variable-category annual estimate of £1,611 and a fixed-tariff annual estimate of £1,640. These are estimates, not a quote.

How is Sainsbury’s Energy rated on Trustpilot?

Sainsbury’s Energy has a stored Trustpilot rating of 4.3 out of 5 from 3,139 reviews.

Is there Citizens Advice data for Sainsbury’s Energy?

No Citizens Advice ranking is present in the supplied data.

What do Sainsbury’s Energy complaint figures show?

The supplied Q2 2026 figure is 906 complaints per 100,000 customers.

Does Sainsbury’s Energy have app-rating data?

No app-store rating is present in the supplied data.

What does the fuel-mix data show for Sainsbury’s Energy?

No renewable fuel-mix percentage is present in the supplied data.

Should I switch to Sainsbury’s Energy?

Compare a current personal quote, tariff eligibility and exit fees with the service and app measures shown here before deciding.

When was this Sainsbury’s Energy review updated?

The structured source payload is for September 2026.

What changed this month

This month, Sainsbury’s Energy's shortest fixed term rose from 12 months to 24 months, Sainsbury’s Energy's Trustpilot negative reviews replied % fell from 35 to 31, and Sainsbury’s Energy's cheapest fixed tariff fell from £1,840.79 to £1,639.64. There were 2 other data changes this month — see the full changelog below for details.

Data changes this month (6)
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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