E.ON SE vs OVO: most-reported complaints compared
Most-reported issues at E.ON SE 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.
E.ON SE
TrustScore 1.2 · 210 reviews on Trustpilot.
101 reviews analysed, 2022-04-10 to 2026-10-21.
Complaint rate (recent window): 93%
0% of negative reviews get a company reply.
“We have received several email notifications over the past 2 weeks ranging from £2000 in credit and -£2000 in debt.”
OVO
TrustScore 4.7 · 311,176 reviews on Trustpilot.
6,615 reviews analysed, 2026-03-05 to 2026-11-11.
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 | E.ON SE | OVO |
|---|---|---|
| Billing errors | 50% | 25% |
| Support unhelpful | 50% | 39% |
| Support unreachable | 19% | 19% |
| Aggressive collections | 14% | 8% |
| Account/app problems | 12% | 8% |
| Overcharging | 7% | 9% |
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, E.ON SE or OVO.