E.ON Next vs Octopus Energy:Which is more popular?
In September 2026, Octopus Energy had more branded searches than E.ON Next among energy suppliers in the United Kingdom. Octopus Energy had about 1.2 million branded searches, while E.ON Next had 520,000. Octopus Energy made up 33.6% of all energy supplier searches we track, and E.ON Next accounted for 14.3%. When we asked ChatGPT and Google AI Overviews about energy suppliers, both E.ON Next and Octopus Energy appeared in all five answers. Octopus Energy was mentioned before E.ON Next in three out of five answers.
Who do people search for more?
Octopus Energy, about 2 searches for every 1 for E.ON Next
Who does AI mention more?
Both are mentioned in every answer we collected.
Who does AI recommend more?
Octopus Energy, named ahead of E.ON Next in 3 of 5 answers
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Top energy suppliers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, both E.ON Next and Octopus Energy showed up in all five answers. Octopus Energy was listed before E.ON Next in three of them.
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
Good Energy10th- +1 more
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
Good Energy1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 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 E.ON Next or Octopus Energy more popular in search?
This chart shows how often people search Google for E.ON Next and Octopus 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 Octopus Energy, E.ON Next. 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 E.ON Next and Octopus Energy comparison changed over the last 12 months?
3 findings
- Octopus Energy was ahead of E.ON Next in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, E.ON Next’s share of searches among energy suppliers in the United Kingdom moved from 13.8% to 14.3%, and its estimated monthly branded searches moved from 548K to 520K.
- Across the 12 months ending September 2026, Octopus Energy’s share of searches among energy suppliers in the United Kingdom moved from 30.7% to 33.6%, and its estimated monthly branded searches held steady at 1.2M.
How did search popularity change for United Kingdom energy suppliers in September 2026?
1 change

In September 2026, Octopus Energy overtook British Gas to become the leader among energy suppliers in the United Kingdom, with 33.6% of the searches.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using E.ON Next’s and Octopus 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.
E.ON Next
3 branded search terms
- e on
- e.on next
- eon energy
Octopus Energy
1 branded search term
- octopus energy
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