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 | 89% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 2 | E.ON | 78% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 3 | British Gas | 67% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 4 | EDF Energy | 67% | — | ·Mentioned | ·Mentioned | ·Mentioned |
| 5 | OVO Energy | 33% | — | —Not mentioned | ·Mentioned | —Not mentioned |
| 6 | Scottish Power | 22% | — | ·Mentioned | —Not mentioned | ·Mentioned |
| 7 | Utilita | 0% | — | —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
No brands surfaced.
Claude
Mentioned
Octopus EnergyE.ONBritish GasEDF EnergyScottish Power
ChatGPT
Mentioned
Octopus EnergyE.ONBritish GasEDF EnergyOVO Energy
Perplexity
Mentioned
Octopus EnergyE.ONBritish GasEDF EnergyScottish Power
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All months
October 2026