---
title: "Energy suppliers in the United Kingdom: Which are searched most?"
description: "Compare the companies that supply gas and electricity to homes. Share of Search among Octopus Energy, British Gas, E.ON Next, OVO, EDF, So Energy, Outfox Energy, Ecotricity, Good Energy, ScottishPower and 100Green, the energy suppliers Brandwave compares in the United Kingdom, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/uk/categories/uk-energy-suppliers"
publisher: "Brandwave"
---

# Energy suppliers in the United Kingdom: Which are searched most?

Compare the companies that supply gas and electricity to homes. Share of Search among Octopus Energy, British Gas, E.ON Next, OVO, EDF, So Energy, Outfox Energy, Ecotricity, Good Energy, ScottishPower and 100Green, the energy suppliers Brandwave compares in the United Kingdom, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Competitive set**: Energy suppliers
- **Market**: United Kingdom
- **Brands compared**: 11
- **Month measured**: Sep 2026
- **Highest Share of Search**: Octopus Energy, 33.6%

## Which brand is most popular in search among energy suppliers in the United Kingdom?

- In September 2026, Octopus Energy was the most searched among energy suppliers in the United Kingdom, with an estimated 1.2M branded searches, 33.6% of all searches for the 11 we track.
- British Gas is in 2nd place, 6.1 percentage points behind at 27.5%.
- Across the 12 months ending September 2026, Octopus Energy’s share of searches among energy suppliers in the United Kingdom increased from 30.7% to 33.6%.
- Across the 12 months ending September 2026, British Gas’ share of searches among energy suppliers in the United Kingdom decreased from 30.7% to 27.5%.
- Across the 12 months ending September 2026, E.ON Next’s share of searches among energy suppliers in the United Kingdom increased from 13.8% to 14.3%.
- Across the 12 months ending September 2026, OVO’s share of searches among energy suppliers in the United Kingdom decreased from 11.3% to 10.1%.
- Across the 12 months ending September 2026, EDF’s share of searches among energy suppliers in the United Kingdom increased from 9.2% to 10.1%.
- Across the 12 months ending September 2026, Octopus Energy’s share of searches among energy suppliers in the United Kingdom peaked at 35% in April 2026 and was lowest at 29.8% in December 2025.
- Across the 12 months ending September 2026, British Gas’ share of searches among energy suppliers in the United Kingdom peaked at 31.1% in November 2025 and was lowest at 27.5% in September 2026.
- Across the 12 months ending September 2026, E.ON Next’s share of searches among energy suppliers in the United Kingdom peaked at 14.9% in May 2026 and was lowest at 13.2% in November 2025.
- Across the 12 months ending September 2026, OVO’s share of searches among energy suppliers in the United Kingdom peaked at 13.5% in January 2026 and was lowest at 10.1% in September 2026.
- Across the 12 months ending September 2026, EDF’s share of searches among energy suppliers in the United Kingdom peaked at 10.1% in September 2026 and was lowest at 8.6% in March 2026.
- Across the 12 months ending September 2026, Octopus Energy rose from 2nd to 1st among energy suppliers in the United Kingdom.
- Across the 12 months ending September 2026, British Gas fell from 1st to 2nd among energy suppliers in the United Kingdom.
- Across the 12 months ending September 2026, So Energy, Outfox Energy, Ecotricity, Good Energy, ScottishPower and 100Green held steady: their share of searches among energy suppliers in the United Kingdom each moved less than 0.5 percentage points.

## Top energy suppliers in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, Octopus Energy and E.ON Next appeared every time. Octopus Energy was recommended most often, coming first in two out of five answers. E.ON Next was second, and Outfox Energy was third. So Energy, which ranked sixth in searches, was not mentioned at all.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| Octopus Energy | 1st | 3 of 3 | 2 of 2 | 5 of 5 |
| E.ON Next | 2nd | 3 of 3 | 2 of 2 | 5 of 5 |
| Outfox Energy | 3rd | 2 of 3 | 2 of 2 | 4 of 5 |
| British Gas | 4th | 1 of 3 | 1 of 2 | 2 of 5 |
| 100Green | 5th | 1 of 3 | 1 of 2 | 2 of 5 |
| EDF | 6th | 1 of 3 | 1 of 2 | 2 of 5 |
| ScottishPower | 7th | 1 of 3 | 1 of 2 | 2 of 5 |
| OVO | 8th | 1 of 3 | 0 of 2 | 1 of 5 |
| Ecotricity | 9th | 0 of 3 | 1 of 2 | 1 of 5 |
| Good Energy | 10th | 0 of 3 | 1 of 2 | 1 of 5 |
| So Energy | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about energy suppliers

- Asked ChatGPT "Which energy supplier should I switch to in the UK?": 1. E.ON Next, 2. Octopus Energy, 3. Outfox Energy, 4. British Gas, 5. OVO, 6. EDF, 7. ScottishPower
- Asked ChatGPT "What are the best energy suppliers in the UK?": 1. Octopus Energy, 2. Outfox Energy, 3. 100Green, 4. E.ON Next
- Asked ChatGPT "What's the cheapest good energy supplier in the UK for a family home?": 1. E.ON Next, 2. Octopus Energy
- Searched Google, AI Overview "energy suppliers": 1. British Gas, 2. Octopus Energy, 3. EDF, 4. E.ON Next, 5. ScottishPower, 6. Ecotricity, 7. Good Energy, 8. Outfox Energy
- Searched Google, AI Overview "best energy supplier": 1. Octopus Energy, 2. 100Green, 3. Outfox Energy, 4. E.ON Next

Not named in any answer: So Energy.

Brands are listed in the order each answer named them. The answers were collected in United Kingdom on October 22, 2026.

## Compare search popularity between leading brands

- [Octopus Energy vs British Gas: compare search popularity](/demand/uk/compare/british-gas-vs-octopus-energy): 33.6% against 27.5% Share of Search.
- [Octopus Energy vs E.ON Next: compare search popularity](/demand/uk/compare/eon-next-vs-octopus-energy): 33.6% against 14.3% Share of Search.
- [Octopus Energy vs OVO: compare search popularity](/demand/uk/compare/octopus-energy-vs-ovo-energy): 33.6% against 10.1% Share of Search.
- [Octopus Energy vs EDF: compare search popularity](/demand/uk/compare/edf-energy-vs-octopus-energy): 33.6% against 10.1% Share of Search.
- [British Gas vs E.ON Next: compare search popularity](/demand/uk/compare/british-gas-vs-eon-next): 27.5% against 14.3% Share of Search.
- [British Gas vs OVO: compare search popularity](/demand/uk/compare/british-gas-vs-ovo-energy): 27.5% against 10.1% Share of Search.
- [British Gas vs EDF: compare search popularity](/demand/uk/compare/british-gas-vs-edf-energy): 27.5% against 10.1% Share of Search.
- [E.ON Next vs OVO: compare search popularity](/demand/uk/compare/eon-next-vs-ovo-energy): 14.3% against 10.1% Share of Search.
- [E.ON Next vs EDF: compare search popularity](/demand/uk/compare/edf-energy-vs-eon-next): 14.3% against 10.1% Share of Search.
- [OVO vs EDF: compare search popularity](/demand/uk/compare/edf-energy-vs-ovo-energy): 10.1% Share of Search each.

## How did search popularity change for United Kingdom energy suppliers in September 2026?

- 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.
- In September 2026, EDF gained share of searches among energy suppliers in the United Kingdom, from 9.2% to 10.1%.
- In September 2026, British Gas lost share of searches among energy suppliers in the United Kingdom, from 30.7% to 27.5%.
- 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 Ecotricity in the United Kingdom rose 49.1% over 12 measured months, from 22.2K to 33.1K in September 2026.
- Estimated monthly branded searches for 100Green in the United Kingdom rose 22.7% over 12 measured months, from 4.4K to 5.4K in September 2026.
- 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.
- Estimated monthly branded searches for Good Energy in the United Kingdom fell 18.2% over 12 measured months, from 12.1K to 9.9K in September 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Octopus Energy | 33.6% | 1.2M | +22.0% | Octopus Energy |
| 2 | British Gas | 27.5% | 1M | 0.0% | Centrica |
| 3 | E.ON Next | 14.3% | 520K | +15.4% | E.ON |
| 4 | OVO | 10.1% | 368K | 0.0% | OVO |
| 5 | EDF | 10.1% | 366K | +22.0% | EDF |
| 6 | So Energy | 1.7% | 60.5K | 0.0% | So Energy |
| 7 | Outfox Energy | 1.1% | 39.2K | +22.1% | Outfox the Market |
| 8 | Ecotricity | 0.91% | 33.1K | +22.1% | Ecotricity |
| 9 | Good Energy | 0.27% | 9.9K | +22.2% | Good Energy |
| 10 | ScottishPower | 0.22% | 8.1K | +22.7% | Iberdrola |
| 11 | 100Green | 0.15% | 5.4K | 0.0% | 100Green |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | British Gas | 1.2M | 30.7% | 1 |
| Oct 2025 | Octopus Energy | 1.2M | 30.7% | 2 |
| Oct 2025 | E.ON Next | 548K | 13.8% | 3 |
| Oct 2025 | OVO | 450K | 11.3% | 4 |
| Oct 2025 | EDF | 366K | 9.2% | 5 |
| Oct 2025 | So Energy | 74K | 1.9% | 6 |
| Oct 2025 | Outfox Energy | 44.4K | 1.1% | 7 |
| Oct 2025 | Ecotricity | 22.2K | 0.56% | 8 |
| Oct 2025 | Good Energy | 12.1K | 0.3% | 9 |
| Oct 2025 | ScottishPower | 8.1K | 0.2% | 10 |
| Oct 2025 | 100Green | 4.4K | 0.11% | 11 |
| Nov 2025 | British Gas | 1.2M | 31.1% | 1 |
| Nov 2025 | Octopus Energy | 1.2M | 31.1% | 2 |
| Nov 2025 | E.ON Next | 517K | 13.2% | 3 |
| Nov 2025 | OVO | 450K | 11.5% | 4 |
| Nov 2025 | EDF | 366K | 9.3% | 5 |
| Nov 2025 | So Energy | 74K | 1.9% | 6 |
| Nov 2025 | Outfox Energy | 32.9K | 0.84% | 7 |
| Nov 2025 | Ecotricity | 18.1K | 0.46% | 8 |
| Nov 2025 | Good Energy | 12.1K | 0.31% | 9 |
| Nov 2025 | ScottishPower | 8.1K | 0.21% | 10 |
| Nov 2025 | 100Green | 4.4K | 0.11% | 11 |
| Dec 2025 | British Gas | 1M | 29.8% | 1 |
| Dec 2025 | Octopus Energy | 1M | 29.8% | 2 |
| Dec 2025 | E.ON Next | 478K | 14.3% | 3 |
| Dec 2025 | OVO | 450K | 13.4% | 4 |
| Dec 2025 | EDF | 300K | 8.9% | 5 |
| Dec 2025 | So Energy | 60.5K | 1.8% | 6 |
| Dec 2025 | Outfox Energy | 26.9K | 0.8% | 7 |
| Dec 2025 | Ecotricity | 18.1K | 0.54% | 8 |
| Dec 2025 | Good Energy | 9.9K | 0.3% | 9 |
| Dec 2025 | ScottishPower | 6.6K | 0.2% | 10 |
| Dec 2025 | 100Green | 3.6K | 0.11% | 11 |
| Jan 2026 | British Gas | 1.2M | 30% | 1 |
| Jan 2026 | Octopus Energy | 1.2M | 30% | 2 |
| Jan 2026 | E.ON Next | 551K | 13.6% | 3 |
| Jan 2026 | OVO | 550K | 13.5% | 4 |
| Jan 2026 | EDF | 366K | 9% | 5 |
| Jan 2026 | So Energy | 74K | 1.8% | 6 |
| Jan 2026 | Outfox Energy | 36.2K | 0.89% | 7 |
| Jan 2026 | Ecotricity | 22.2K | 0.55% | 8 |
| Jan 2026 | Good Energy | 12.1K | 0.3% | 9 |
| Jan 2026 | ScottishPower | 8.1K | 0.2% | 10 |
| Jan 2026 | 100Green | 5.4K | 0.13% | 11 |
| Feb 2026 | British Gas | 1M | 29.9% | 1 |
| Feb 2026 | Octopus Energy | 1M | 29.9% | 2 |
| Feb 2026 | E.ON Next | 454K | 13.6% | 3 |
| Feb 2026 | OVO | 450K | 13.5% | 4 |
| Feb 2026 | EDF | 300K | 9% | 5 |
| Feb 2026 | So Energy | 60.5K | 1.8% | 6 |
| Feb 2026 | Outfox Energy | 36.2K | 1.1% | 7 |
| Feb 2026 | Ecotricity | 22.2K | 0.66% | 8 |
| Feb 2026 | Good Energy | 9.9K | 0.3% | 9 |
| Feb 2026 | ScottishPower | 8.1K | 0.24% | 10 |
| Feb 2026 | 100Green | 3.6K | 0.11% | 11 |
| Mar 2026 | British Gas | 1.2M | 31.1% | 1 |
| Mar 2026 | Octopus Energy | 1.2M | 31.1% | 2 |
| Mar 2026 | E.ON Next | 536K | 13.7% | 3 |
| Mar 2026 | OVO | 450K | 11.5% | 4 |
| Mar 2026 | EDF | 336K | 8.6% | 5 |
| Mar 2026 | So Energy | 74K | 1.9% | 6 |
| Mar 2026 | Outfox Energy | 40.3K | 1% | 7 |
| Mar 2026 | Ecotricity | 22.2K | 0.57% | 8 |
| Mar 2026 | Good Energy | 12.1K | 0.31% | 9 |
| Mar 2026 | ScottishPower | 9.9K | 0.25% | 10 |
| Mar 2026 | 100Green | 4.4K | 0.11% | 11 |
| Apr 2026 | Octopus Energy | 1.2M | 35% | 1 |
| Apr 2026 | British Gas | 1M | 28.7% | 2 |
| Apr 2026 | E.ON Next | 469K | 13.4% | 3 |
| Apr 2026 | OVO | 368K | 10.5% | 4 |
| Apr 2026 | EDF | 300K | 8.6% | 5 |
| Apr 2026 | So Energy | 60.5K | 1.7% | 6 |
| Apr 2026 | Outfox Energy | 32.9K | 0.94% | 7 |
| Apr 2026 | Ecotricity | 18.1K | 0.52% | 8 |
| Apr 2026 | Good Energy | 8.1K | 0.23% | 9 |
| Apr 2026 | ScottishPower | 8.1K | 0.23% | 10 |
| Apr 2026 | 100Green | 3.6K | 0.1% | 11 |
| May 2026 | British Gas | 1M | 30.5% | 1 |
| May 2026 | Octopus Energy | 1M | 30.5% | 2 |
| May 2026 | E.ON Next | 488K | 14.9% | 3 |
| May 2026 | OVO | 368K | 11.2% | 4 |
| May 2026 | EDF | 300K | 9.1% | 5 |
| May 2026 | So Energy | 49.5K | 1.5% | 6 |
| May 2026 | Outfox Energy | 32.9K | 1% | 7 |
| May 2026 | Ecotricity | 27.1K | 0.83% | 8 |
| May 2026 | Good Energy | 8.1K | 0.25% | 9 |
| May 2026 | ScottishPower | 6.6K | 0.2% | 10 |
| May 2026 | 100Green | 2.9K | 0.09% | 11 |
| Jun 2026 | British Gas | 1M | 30.5% | 1 |
| Jun 2026 | Octopus Energy | 1M | 30.5% | 2 |
| Jun 2026 | E.ON Next | 463K | 14.1% | 3 |
| Jun 2026 | OVO | 368K | 11.2% | 4 |
| Jun 2026 | EDF | 300K | 9.2% | 5 |
| Jun 2026 | So Energy | 49.5K | 1.5% | 6 |
| Jun 2026 | Outfox Energy | 41.9K | 1.3% | 7 |
| Jun 2026 | Ecotricity | 22.2K | 0.68% | 8 |
| Jun 2026 | ScottishPower | 14.8K | 0.45% | 9 |
| Jun 2026 | Good Energy | 9.9K | 0.3% | 10 |
| Jun 2026 | 100Green | 5.4K | 0.16% | 11 |
| Jul 2026 | British Gas | 1M | 30.9% | 1 |
| Jul 2026 | Octopus Energy | 1M | 30.9% | 2 |
| Jul 2026 | E.ON Next | 451K | 13.9% | 3 |
| Jul 2026 | OVO | 368K | 11.4% | 4 |
| Jul 2026 | EDF | 300K | 9.3% | 5 |
| Jul 2026 | So Energy | 49.5K | 1.5% | 6 |
| Jul 2026 | Outfox Energy | 32.1K | 0.99% | 7 |
| Jul 2026 | Ecotricity | 18.1K | 0.56% | 8 |
| Jul 2026 | Good Energy | 8.1K | 0.25% | 9 |
| Jul 2026 | ScottishPower | 6.6K | 0.2% | 10 |
| Jul 2026 | 100Green | 5.4K | 0.17% | 11 |
| Aug 2026 | British Gas | 1M | 30.7% | 1 |
| Aug 2026 | Octopus Energy | 1M | 30.7% | 2 |
| Aug 2026 | E.ON Next | 451K | 13.8% | 3 |
| Aug 2026 | OVO | 368K | 11.3% | 4 |
| Aug 2026 | EDF | 300K | 9.2% | 5 |
| Aug 2026 | So Energy | 60.5K | 1.9% | 6 |
| Aug 2026 | Outfox Energy | 32.1K | 0.99% | 7 |
| Aug 2026 | Ecotricity | 27.1K | 0.83% | 8 |
| Aug 2026 | Good Energy | 8.1K | 0.25% | 9 |
| Aug 2026 | ScottishPower | 6.6K | 0.2% | 10 |
| Aug 2026 | 100Green | 5.4K | 0.17% | 11 |
| Sep 2026 | Octopus Energy | 1.2M | 33.6% | 1 |
| Sep 2026 | British Gas | 1M | 27.5% | 2 |
| Sep 2026 | E.ON Next | 520K | 14.3% | 3 |
| Sep 2026 | OVO | 368K | 10.1% | 4 |
| Sep 2026 | EDF | 366K | 10.1% | 5 |
| Sep 2026 | So Energy | 60.5K | 1.7% | 6 |
| Sep 2026 | Outfox Energy | 39.2K | 1.1% | 7 |
| Sep 2026 | Ecotricity | 33.1K | 0.91% | 8 |
| Sep 2026 | Good Energy | 9.9K | 0.27% | 9 |
| Sep 2026 | ScottishPower | 8.1K | 0.22% | 10 |
| Sep 2026 | 100Green | 5.4K | 0.15% | 11 |

## What is being compared

- **100Green**: Measured on the search term “100green”.
- **British Gas**: Measured on the search term “british gas”.
- **E.ON Next**: Measured on the search terms “e on”, “e.on next” and “eon energy”, summed into one figure.
- **Ecotricity**: Measured on the search term “ecotricity”.
- **EDF**: Measured on the search terms “edf” and “edf energy”, summed into one figure.
- **Good Energy**: Measured on the search term “good energy”.
- **Octopus Energy**: Measured on the search term “octopus energy”.
- **Outfox Energy**: Measured on the search terms “outfox energy” and “outfox the market”, summed into one figure.
- **OVO**: Measured on the search term “ovo energy”.
- **ScottishPower**: Measured on the search term “scottishpower”.
- **So Energy**: Measured on the search term “so energy”.

- [100Green](/demand/uk/brands/100green)
- [British Gas](/demand/uk/brands/british-gas)
- [E.ON Next](/demand/uk/brands/eon-next)
- [Ecotricity](/demand/uk/brands/ecotricity-uk)
- [EDF](/demand/uk/brands/edf-energy)
- [Good Energy](/demand/uk/brands/good-energy)
- [Octopus Energy](/demand/uk/brands/octopus-energy)
- [Outfox Energy](/demand/uk/brands/outfox-the-market)
- [OVO](/demand/uk/brands/ovo-energy)
- [ScottishPower](/demand/uk/brands/scottishpower)
- [So Energy](/demand/uk/brands/so-energy)

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which brand is most popular in search among energy suppliers in the United Kingdom?

In September 2026, Octopus Energy was the most searched among energy suppliers in the United Kingdom, with an estimated 1.2M branded searches, 33.6% of all searches for the 11 we track.

## Cite this page

Brandwave. "Energy suppliers in the United Kingdom: Which are searched most?". https://gobrandwave.com/demand/uk/categories/uk-energy-suppliers

This page is also available as HTML at https://gobrandwave.com/demand/uk/categories/uk-energy-suppliers. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.