E.ON Energie Deutschland GmbH: most-reported complaints
Automated analysis of 164 public Trustpilot reviews published 2020-11-04 to 2026-08-25. TrustScore 4.3 from 77,349 total reviews — see the Trustpilot page. Quick answer: is E.ON Energie Deutschland GmbH legit? Issues below reflect what reviewers reported, not findings of wrongdoing.
Reviewers most often report that support is unreachable, with 30 out of 72 identified complaints citing this issue. Support unhelpfulness is the second most common concern, appearing in 17 complaints, while billing errors account for 13 complaints. The remaining 10 complaints fall under other categories. Trends indicate that reports of unreachable and unhelpful support are stable or rising, while billing error reports remain flat.
How to reach E.ON Energie Deutschland GmbH
These are the contact details E.ON Energie Deutschland GmbH publishes on its Trustpilot profile, as of our last check on 2026-09-27 — phone 0871-95386200, address Arnulfstraße 203, München, 80634, DE.
The company claimed its Trustpilot profile on 2019-03-25, uses Trustpilot’s paid features, uses Trustpilot’s AI-assisted replies, and last replied to a negative review on 2026-09-26. Trustpilot ranks it 13 of 25 in Energy Supplier. We last checked this profile on 2026-09-27 and found 3 new reviews. These are facts Trustpilot publishes about the profile, as of our last harvest.
Elsewhere: 1.2★ on Google (1,010 reviews) — a 3.1-star gap between its Trustpilot and Google scores.
TrustScore over time
4.2 → 4.3 across 11 census measurements since 2026-08-24. Our own record, independent of Trustpilot’s display.
Reply behaviour over time
Solid: % of negative reviews replied to. Dashed: typical days to reply. Both as reported on this company’s Trustpilot profile, recorded whenever our census re-checked it and a figure had changed — the gaps between points are not equal: 2026-08-24 (100%, 0.0d) · 2026-08-27 (100%, 0.0d) · 2026-09-01 (100%, 0.0d) · 2026-09-04 (100%, 0.0d) · 2026-09-07 (100%, 0.0d) · 2026-09-10 (100%, 0.0d) · 2026-09-13 (100%, 0.0d) · 2026-09-16 (100%, 0.0d) · 2026-09-20 (100%, 0.0d) · 2026-09-23 (100%, 0.1d) · 2026-09-27 (100%, 0.1d).
Severity: 46% of this company’s 72 graded complaints were classified as severe (money lost, an essential service cut off, or a problem unresolved for months). See the harm index.
Reviewers here waited a median of 1.3 days between the experience and publishing their negative review (74 reviews record both dates).
E.ON operates in 5 markets we track — compare its complaint mix by country.
Measured reply time: across 84 negative reviews that received a public reply, the median wait was 0.8 days — the company profile reports an average of under a day.
Reply quality: of 84 company replies to negative reviews analysed, 10% engaged with the specific problem and 90% were generic templates.
57% of its 88 recent 5★ reviews came from accounts that had written only that one review when we captured it (the median across companies is about 39%). A high share is a reason to look closer, not evidence of fake reviews.
Sector benchmark: support unreachable makes up 42% of this company’s complaints vs a 20% median across 94 ranked companies in its sector.
Review velocity: 21,259 of this company’s 77,349 Trustpilot reviews (27%) were written in the last 12 months.
What are the most common complaints about E.ON Energie Deutschland GmbH?
Support unreachable
30 reports · 42% of complaintssteady“Contracts sitting in limbo for weeks, disappearing from the portal, and no reply to a cancellation email is unacceptable.”
The company replied on 2025-08-15: “Hallo Arya, Danke, dass du dir die Zeit genommen hast, uns hier auf Trustpilot zu bewerten.. Deine Schilderung des bisherigen Ablaufs liest sich wirklich überhaupt nicht gut. Es tut uns leid, dass du…”
Our classifier read this reply as a template response.
4 readers marked this review helpful on Trustpilot.
“They have put in wrong kwh numbers and send me a massive bill”
The company replied on 2022-09-01: “Dear Kristian, Thank you for your contribution. We are very sorry that you had such a bad experience with our customer service. Unfortunately, we cannot answer your questions here for data protection…”
Our classifier read this reply as a template response.
3 readers marked this review helpful on Trustpilot.
“they do not respond nor do they care if you call them”
The company replied on 2025-08-13: “Hello ludwig, we are truly sorry to hear about your experience and understand your frustration. It’s never our intention to disappoint our customers. Please reach out to our customer service team…”
Our classifier read this reply as a template response.
3 readers marked this review helpful on Trustpilot.
Support unhelpful
17 reports · 24% of complaintsrising since 2025-04“ignoring my messages or hanging up on the calls”
The company replied on 2022-12-13: “Dear Trustpilot user, thank you very much for your message here, sorry to hear you are feeling this way. Thanks for the time taken to leave a review- by doing so, you are helping us to further…”
Our classifier read this reply as a template response.
2 readers marked this review helpful on Trustpilot.
“They told me the whole building needed to switch providers as part of a mandatory transition”
The company replied on 2026-04-17: “Hallo Gilberto, es tut uns leid zu lesen, dass es zu dieser Situation gekommen ist. Vor dem Hintergrund des intensiven Wettbewerbs im Energievertrieb nutzen wir verschiedene etablierte Kontaktwege –…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
2 readers marked this review helpful on Trustpilot.
“Spent 2 months trying to open my contract, with a price as 29ct/kW and then they cancelled the contract and re-offered at 32ct/kW”
The company replied on 2026-03-28: “Liebe Trustpilot Nutzerin, lieber Trustpilot Nutzer, oh je - ein Stern. Da scheint etwas gar nicht rund zu laufen 😔. In diesem Fall können wir gut verstehen, dass du verärgert bist. Genau das sollte…”
Our classifier read this reply as a template response.
2 readers marked this review helpful on Trustpilot.
Billing errors
13 reports · 18% of complaintssteady“always tries to screw you over on the bills”
The company replied on 2025-09-13: “Lieber Trustpilot Nutzer:In, es tut uns leid, dass du gerade unzufrieden bist 💬 Danke für dein ehrliches Feedback – wir hören zu und lernen daraus. Du hast Fragen oder brauchst Hilfe? Schreib uns…”
Our classifier read this reply as a template response.
5 readers marked this review helpful on Trustpilot.
“They have put in wrong kwh numbers and send me a massive bill”
The company replied on 2022-09-01: “Dear Kristian, Thank you for your contribution. We are very sorry that you had such a bad experience with our customer service. Unfortunately, we cannot answer your questions here for data protection…”
Our classifier read this reply as a template response.
3 readers marked this review helpful on Trustpilot.
“No answer via mail or website. They tried to forward the calls and then we didn't get anyone on the phone.”
The company replied on 2023-01-24: “Dear Trustpilot user, thank you very much for your frank words, sorry to hear you are feeling this way. Thanks for the time taken to leave a review- by doing so, you are helping us to further improve…”
Our classifier read this reply as a template response.
2 readers marked this review helpful on Trustpilot.
Other
10 reports · 14% of complaintssteady“In my opinion, it’s the worst company I have ever dealt with. Thankfully I terminated my contract with them.”
The company replied on 2022-07-12: “Lieber Twenty Two Investment Group, danke für deinen Beitrag. Schade, dass wir dich nicht von unserem Service überzeugen konnten. Vielleicht gibst du uns dazu zu einem anderen Zeitpunkt noch einmal…”
Our classifier read this reply as a template response.
2 readers marked this review helpful on Trustpilot.
“Please give language option in application”
The company replied on 2025-04-29: “Lieber Trustpilot Nutzer, vielen Dank für deine offenen Worte. Es tut uns sehr leid, dass du dich im Moment über uns ärgerst. Danke, dass du dir die Zeit für eine Bewertung hier auf Trustpilot…”
Our classifier read this reply as a template response.
1 reader marked this review helpful on Trustpilot.
“Complete catastrophe seriously.”
The company replied on 2022-08-15: “Lieber Alexander, vielen Dank für deinen Beitrag. Es tut uns sehr leid, dass du nicht zufrieden mit uns bist. Bei Fragen ist unser Kundenservice gern für dich da. Viele Grüße deine E.ON Energie…”
Our classifier read this reply as a template response.
Account/app problems
9 reports · 12% of complaintssteady“Contracts sitting in limbo for weeks, disappearing from the portal, and no reply to a cancellation email is unacceptable.”
The company replied on 2025-08-15: “Hallo Arya, Danke, dass du dir die Zeit genommen hast, uns hier auf Trustpilot zu bewerten.. Deine Schilderung des bisherigen Ablaufs liest sich wirklich überhaupt nicht gut. Es tut uns leid, dass du…”
Our classifier read this reply as a template response.
4 readers marked this review helpful on Trustpilot.
“they do not respond nor do they care if you call them”
The company replied on 2025-08-13: “Hello ludwig, we are truly sorry to hear about your experience and understand your frustration. It’s never our intention to disappoint our customers. Please reach out to our customer service team…”
Our classifier read this reply as a template response.
3 readers marked this review helpful on Trustpilot.
“it's almost impossible to reach them”
The company replied on 2025-02-09: “Lieber Trustpilot Nutzer, vielen Dank für deine offenen Worte. Es tut uns sehr leid, dass du dich im Moment über uns ärgerst. Danke, dass du dir die Zeit für eine Bewertung hier auf Trustpilot…”
Our classifier read this reply as a template response.
Contract term changes
7 reports · 10% of complaintsrising since 2025-04“They cancelled my existing contract with another provider without my knowledge or consent.”
The company replied on 2026-04-21: “Liebe Trustpilot Nutzerin, lieber Trustpilot Nutzer, oh je - ein Stern. Da scheint etwas gar nicht rund zu laufen. In diesem Fall können wir gut verstehen, dass du verärgert bist. Genau das sollte…”
Our classifier read this reply as a template response.
2 readers marked this review helpful on Trustpilot.
“They told me the whole building needed to switch providers as part of a mandatory transition”
The company replied on 2026-04-17: “Hallo Gilberto, es tut uns leid zu lesen, dass es zu dieser Situation gekommen ist. Vor dem Hintergrund des intensiven Wettbewerbs im Energievertrieb nutzen wir verschiedene etablierte Kontaktwege –…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
2 readers marked this review helpful on Trustpilot.
“He made me sign a contract without telling me it was one.”
The company replied on 2026-05-08: “Liebe Trustpilot Nutzerin, lieber Trustpilot Nutzer, oh je - ein Stern. Da scheint etwas gar nicht rund zu laufen. Danke, dass du dir Zeit für eine Bewertung genommen hast. Wir hoffen sehr, dass du…”
Our classifier read this reply as a template response.
Compare E.ON Energie Deutschland GmbH with…
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. Trends are computed from dated review counts only. Negative reviews are deliberately over-sampled for evidence depth; headline percentages use an unbiased recent sample only. Report updated 2026-09-01.