AI Share of Voice Rankings
Averaged across all 3 queries. Sentiment reflects the most positive framing seen per provider across queries.
| # | Brand | Avg AI SoV | Gemini | Claude | ChatGPT | Perplexity |
|---|---|---|---|---|---|---|
| 1 | Octopus Energy | 92% | ✓Recommended | ✓Recommended | ✓Recommended | ✓Recommended |
| 2 | British Gas | 75% | ·Mentioned | ·Mentioned | ·Mentioned | ·Mentioned |
| 3 | E.ON | 75% | ✓Recommended | ·Mentioned | ✓Recommended | —Not mentioned |
| 4 | EDF Energy | 67% | ✓Recommended | ·Mentioned | ✓Recommended | —Not mentioned |
| 5 | Scottish Power | 50% | ⚠With caveats | ·Mentioned | ✓Recommended | —Not mentioned |
| 6 | OVO Energy | 50% | ✓Recommended | ·Mentioned | ✓Recommended | —Not mentioned |
| 7 | Utilita | 0% | —Not mentioned | —Not mentioned | —Not mentioned | —Not mentioned |
✓Recommended·Mentioned⚠With caveats—Not mentioned
Queries asked to each AI model
We sent these exact questions to Gemini, Claude, ChatGPT, Perplexity — no brand context included, so responses are unbiased.
- 1“What are the best energy suppliers in the UK?”
- 2“Which energy company should I switch to in the UK?”
- 3“Who has the cheapest or best value energy tariff in the UK?”
Per-provider breakdown
How each AI model ranked brands individually.
Gemini
Recommended
Octopus EnergyE.ONEDF EnergyOVO Energy
Mentioned
British Gas
Claude
Recommended
Octopus Energy
Mentioned
British GasE.ONEDF EnergyScottish PowerOVO Energy
ChatGPT
Recommended
Octopus EnergyE.ONEDF EnergyScottish PowerOVO Energy
Mentioned
British Gas
Perplexity
Recommended
Octopus Energy
Mentioned
British Gas
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All months
September 2026