ComplaintCensus

E.ON SE vs Octopus Energy Germany: most-reported complaints compared

Most-reported issues at E.ON SE and Octopus Energy Germany, 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 · 209 reviews on Trustpilot.

100 reviews analysed, 2022-04-10 to 2026-06-18.

Complaint rate (recent window): 93%

0% of negative reviews get a company reply.

Billing errors50%
Support unhelpful50%
Support unreachable19%
Aggressive collections14%
Account/app problems12%
“They stopped me from going. They have put me in arrears and since then trying to go to a new company which they stopped that aswell”
1★ Trustpilot review, 2026-06-01

Octopus Energy Germany

TrustScore 4.8 · 101,748 reviews on Trustpilot.

129 reviews analysed, 2021-07-07 to 2026-08-22.

Complaint rate (recent window): 4%

97% of negative reviews get a company reply.

Support unhelpful36%
Support unreachable29%
Billing errors13%
Switching problems13%
Overcharging10%
“Clearly wrong information Complete lack of process”
1★ Trustpilot review, 2025-05-27

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueE.ON SEOctopus Energy Germany
Billing errors50%13%
Support unhelpful50%36%
Support unreachable19%29%
Overcharging8%10%

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 Octopus Energy Germany.