ComplaintCensus

Compare Power (Best Energy Plans) vs Octopus Energy US: most-reported complaints compared

Most-reported issues at Compare Power (Best Energy Plans) and Octopus Energy US, 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.

Compare Power (Best Energy Plans)

TrustScore 4.9 · 3,670 reviews on Trustpilot.

221 reviews analysed, 2016-05-23 to 2026-08-23.

Complaint rate (recent window): 4%

50% of negative reviews get a company reply.

Misleading pricing42%
Other32%
Delivery late10%
Billing errors10%
“After signing up, I received a welcome email stating it’s actually 20 cents per kWh if I use 500 kWh.”
1★ Trustpilot review, 2024-10-16

Octopus Energy US

TrustScore 4.4 · 268 reviews on Trustpilot.

162 reviews analysed, 2025-06-02 to 2026-09-05.

Complaint rate (recent window): 13%

100% of negative reviews get a company reply.

Account/app problems43%
Billing errors19%
Support unhelpful19%
Support unreachable14%
Overcharging14%
“My bill was due June 2 and my lights were disconnected June 5 for non payment with no disconnection letter.”
1★ Trustpilot review, 2025-06-24

Reported on both

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

IssueCompare Power (Best Energy Plans)Octopus Energy US
Billing errors10%19%

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, Compare Power (Best Energy Plans) or Octopus Energy US.