OVO vs So Energy:Which is more popular?
In September 2026, OVO had more branded searches than So Energy among energy suppliers in the United Kingdom. OVO had about 368,000 branded searches, while So Energy had 60,500. OVO made up 10.1% of all energy supplier searches we track, and So Energy accounted for 1.7%. When we asked ChatGPT and Google AI Overviews about energy suppliers, OVO appeared in one of the five answers and So Energy in none.
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Top energy suppliers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, OVO was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. So Energy did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Octopus Energy1st
E.ON Next2nd
Outfox Energy3rd
British Gas4th
100Green5th
EDF6th
ScottishPower7th
OVO8th
Ecotricity9th- +1 more
So Energy–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Octopus Energy5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- E.ON Next5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Outfox Energy4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- British Gas2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- EDF2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- ScottishPower2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- 100Green2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- OVO1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Ecotricity1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- So Energy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about energy suppliers
5 answers
Asked ChatGPT
“Which energy supplier should I switch to in the UK?”
Asked ChatGPT
“What are the best energy suppliers in the UK?”
Asked ChatGPT
“What's the cheapest good energy supplier in the UK for a family home?”
Searched Google, AI Overview
“energy suppliers”
Searched Google, AI Overview
“best energy supplier”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 22, 2026.
Is OVO or So Energy more popular in search?
This chart shows how often people search Google for OVO and So Energy by name. Each line represents a brand's share of searches for all 11 energy suppliers we track, month by month, from searches in United Kingdom.
Share of searches by month for OVO, So Energy. The figures are in the table below the chart.
View monthly share of searches table
| Month | Octopus Energy | British Gas | E.ON Next | OVO | EDF | So Energy | Outfox Energy | Ecotricity | Good Energy | ScottishPower | 100Green |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 30.7% | 30.7% | 13.8% | 11.3% | 9.2% | 1.9% | 1.1% | 0.56% | 0.3% | 0.2% | 0.11% |
| Nov 2025 | 31.1% | 31.1% | 13.2% | 11.5% | 9.3% | 1.9% | 0.84% | 0.46% | 0.31% | 0.21% | 0.11% |
| Dec 2025 | 29.8% | 29.8% | 14.3% | 13.4% | 8.9% | 1.8% | 0.8% | 0.54% | 0.3% | 0.2% | 0.11% |
| Jan 2026 | 30% | 30% | 13.6% | 13.5% | 9% | 1.8% | 0.89% | 0.55% | 0.3% | 0.2% | 0.13% |
| Feb 2026 | 29.9% | 29.9% | 13.6% | 13.5% | 9% | 1.8% | 1.1% | 0.66% | 0.3% | 0.24% | 0.11% |
| Mar 2026 | 31.1% | 31.1% | 13.7% | 11.5% | 8.6% | 1.9% | 1% | 0.57% | 0.31% | 0.25% | 0.11% |
| Apr 2026 | 35% | 28.7% | 13.4% | 10.5% | 8.6% | 1.7% | 0.94% | 0.52% | 0.23% | 0.23% | 0.1% |
| May 2026 | 30.5% | 30.5% | 14.9% | 11.2% | 9.1% | 1.5% | 1% | 0.83% | 0.25% | 0.2% | 0.09% |
| Jun 2026 | 30.5% | 30.5% | 14.1% | 11.2% | 9.2% | 1.5% | 1.3% | 0.68% | 0.3% | 0.45% | 0.16% |
| Jul 2026 | 30.9% | 30.9% | 13.9% | 11.4% | 9.3% | 1.5% | 0.99% | 0.56% | 0.25% | 0.2% | 0.17% |
| Aug 2026 | 30.7% | 30.7% | 13.8% | 11.3% | 9.2% | 1.9% | 0.99% | 0.83% | 0.25% | 0.2% | 0.17% |
| Sep 2026 | 33.6% | 27.5% | 14.3% | 10.1% | 10.1% | 1.7% | 1.1% | 0.91% | 0.27% | 0.22% | 0.15% |
How has the OVO and So Energy comparison changed over the last 12 months?
3 findings
- OVO was ahead of So Energy in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, OVO’s share of searches among energy suppliers in the United Kingdom moved from 11.3% to 10.1%, and its estimated monthly branded searches moved from 450K to 368K.
- Across the 12 months ending September 2026, So Energy’s share of searches among energy suppliers in the United Kingdom moved from 1.9% to 1.7%, and its estimated monthly branded searches moved from 74K to 60.5K.
How did search popularity change for United Kingdom energy suppliers in September 2026?
2 changes
In September 2026, OVO lost share of searches among energy suppliers in the United Kingdom, from 11.3% to 10.1%.
Estimated monthly branded searches for So Energy in the United Kingdom fell 18.2% over 12 measured months, from 74K to 60.5K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using OVO’s and So Energy’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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