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 | 83% | ✓Recommended | ✓Recommended | ✓Recommended | ✓Recommended |
| 2 | E.ON | 67% | ✓Recommended | ✓Recommended | ✓Recommended | ✓Recommended |
| 3 | British Gas | 50% | ✓Recommended | ·Mentioned | ·Mentioned | ·Mentioned |
| 4 | EDF Energy | 42% | ✓Recommended | ✓Recommended | —Not mentioned | ·Mentioned |
| 5 | OVO Energy | 25% | —Not mentioned | ·Mentioned | ✓Recommended | ·Mentioned |
| 6 | Utilita | 17% | —Not mentioned | ✓Recommended | —Not mentioned | —Not mentioned |
| 7 | Scottish Power | 8% | —Not mentioned | ·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.ONBritish GasEDF Energy
Claude
Recommended
Octopus EnergyE.ONEDF EnergyUtilita
Mentioned
British GasOVO EnergyScottish Power
ChatGPT
Recommended
Octopus EnergyE.ONOVO Energy
Mentioned
British Gas
Perplexity
Recommended
Octopus EnergyE.ON
Mentioned
British GasEDF EnergyOVO Energy
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All months
August 2026