Telecom Plus sustainability score: 39/100
Better than 68% of Energy Supply / Utilities
Making progress starts at 46. The highest score on SINK is 71.
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Telecom Plus, trading as Utility Warehouse, is a London-listed UK supplier of gas, electricity, broadband and mobile to households and small businesses. It reported £1,941.1 million of revenue for the year to 31 March 2026, with about 2,061 employees.
Founded 1996Head office London, United KingdomStaff ~2,061 (2026)Revenue £1,941.1 million revenue (year ended 31 March 2026; 2025: £1,838.2 million)Website ↗
Telecom Plus's footprint is mostly the energy it sells, and its Scope 3 rose 1.60% in FY26 to 52.72% above its FY22 baseline, against a target of a 63% cut by 2035. The fuel mix it sold was 11% renewable and 65% gas. Its targets are not SBTi-validated, and its executive incentives cover only Scope 1 and 2.
Telecom Plus scores 39/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified November 2026.
That places Telecom Plus joint 500th of 1,118 companies scored, and 8th of 23 in Energy Supply / Utilities.
What is Telecom Plus doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Transparency & Accountability (7/10, 7/10). Weakest on Emissions Trajectory and Energy Source (1/10, 2/10).
Where Telecom Plus lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Whether its emissions are fallingShow its emissions are falling.
- How clean its energy isMove to a renewable energy tariff or make a major efficiency investment.
- How it uses materials and handles wasteShow active waste reduction, reuse or repair.
Every question that lost points
- Emissions from its own operations7/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain6/10No full value-chain map or supplier engagement programme.
- Whether its emissions are falling1/10No evidence its emissions are falling.
- How clean its energy is2/10No renewable energy tariff or major efficiency investment shown.
- Its effect on nature4/10Its effect on nature isn't measured or independently verified.
- How it uses materials and handles waste3/10No active waste reduction, reuse or repair shown.
- Its effect on water4/10No measured water footprint with reduction targets.
- Its climate targets3/10No specific targets with dates.
- How openly it reports7/10No annual impact report, or no pay linked to climate targets.
- Its record on controversies7/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Telecom Plus's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleWhat evidence is Telecom Plus's score based on?
10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
50% of them were published by Telecom Plus itself; the rest come from independent sources.
“FY26 Scope 1 and Scope 2 emissions have been externally verified (limited assurance) to ISO14064 Part 1”
“Emissions from activities for which the company owns or controls including combustion of fuel & operation of facilities tCO2e (Scope 1)”
“our overall Scope 3 emissions were 3,358,432.99 tCO2e, a 1.60% increase from FY25”
“total score in our sustainability assessment. Scores ranged from 0% to 85%”
“Utility Warehouse will pay £1.5 million to Ofgem’s voluntary redress fund for its failings”
“Energy provider Utility Warehouse has been fined £1.5m by Ofgem”
“Low scorers included Sainsbury's Energy , Utilita , and Utility Warehouse”
“We believe a net zero target by 2040 is achievable”
If you believe a source has been misread or a newer version exists, submit a challenge.
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How does Telecom Plus compare with other energy supply / utilities companies?
Where Telecom Plus sits among energy supply / utilities peers.
Among the 23 major energy supply / utilities brands we've scored, Telecom Plus sits 8th of 23.
Who scores higher in Energy Supply / Utilities?
The 3 companies in the sector scoring nearest above Telecom Plus.
OVO Energy reports detailed operational emissions cuts and has ditched greenwashing REGOs, but 9.8Mt of annual Scope 3 from gas supply to 4 million customers overwhelms progress.
See the breakdown →E.ON has SBTi-validated 1.5°C targets with absolute reduction commitments, but delivery remains unverified.
See the breakdown →Vattenfall has cut Scope 1+2 emissions 53% since 2017 and operates 90% fossil-free generation, backed by SBTi validation.
See the breakdown →Which companies moved this week, and why.
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