Octopus Energy vs OVO: most-reported complaints compared
Most-reported issues at Octopus Energy and OVO, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
Octopus Energy
TrustScore 4.8 · 876,929 reviews on Trustpilot.
3,669 reviews analysed, 2026-06-15 to 2026-09-27.
Complaint rate (recent window): 5%
97% of negative reviews get a company reply.
“Octopus have incorrectly switched our supply to another company, and attempted to charge my wife and I over £5000 of energy that we didn’t use.”
OVO
TrustScore 4.7 · 303,904 reviews on Trustpilot.
3,617 reviews analysed, 2026-03-05 to 2026-09-26.
Complaint rate (recent window): 7%
100% of negative reviews get a company reply.
“Just got a bill from ovo energy for £3,400, only one problem I've had the gas and electricity disconnected from this property since 2023”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Octopus Energy | OVO |
|---|---|---|
| Support unhelpful | 42% | 40% |
| Billing errors | 28% | 24% |
| Support unreachable | 17% | 17% |
| Account/app problems | 10% | 8% |
| Overcharging | 6% | 8% |
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Octopus Energy or OVO.