Constellation: most-reported complaints
Automated analysis of 177 public Trustpilot reviews published 2026-04-30 to 2026-09-22. TrustScore 4.2 from 327 total reviews — see the Trustpilot page. Quick answer: is Constellation legit? Issues below reflect what reviewers reported, not findings of wrongdoing.
Reviewers most often report issues related to account and app problems, unhelpful support, unreachable support, and other unspecified concerns. These four categories each accounted for 18% of the 27 identified complaints out of 177 reviews analyzed. Specific examples included difficulties unfreezing credit, receiving unexpected charges, and lack of communication regarding service applications. A clear trend could not be established for these issues due to insufficient review volume.
How to reach Constellation
These are the contact details Constellation publishes on its Trustpilot profile, as of our last check on 2026-09-24 — phone 855-465-1244, address 1310 Point Street, Baltimore, 21231, US.
The company claimed its Trustpilot profile on 2024-08-12, uses Trustpilot’s paid features, uses Trustpilot’s AI-assisted replies, and last replied to a negative review on 2026-09-23. Trustpilot ranks it 8 of 9 in Energy Supplier. We last checked this profile on 2026-09-24 and found 3 new reviews. These are facts Trustpilot publishes about the profile, as of our last harvest.
Elsewhere: 5★ on Google (1 reviews)
TrustScore over time
4.3 → 4.2 across 10 census measurements since 2026-08-17. 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: 2026-08-18 (97%, 0.8d) · 2026-08-21 (97%, 0.8d) · 2026-08-28 (98%, 0.8d) · 2026-09-03 (98%, 0.8d) · 2026-09-06 (98%, 0.8d) · 2026-09-09 (98%, 0.8d) · 2026-09-12 (95%, 0.8d) · 2026-09-15 (95%, 0.8d) · 2026-09-24 (98%, 0.8d).
Severity: 11% of this company’s 27 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 33.0 days between the experience and publishing their negative review (30 reviews record both dates).
Two readings of the same reviews
Trustpilot’s own automated summary of this company’s reviews reads as predominantly positive. Our classifier, reading the review text in our recent window, judged 15% of those reviews to be complaints — most often other. Both are automated readings of the same public reviews; they weigh them differently.
What their policy promises
support availability: phone or email
“You can also learn how to contact Constellation in many different ways including by phone, or by e-mail at our Contact Us page.”
Quoted verbatim from the company’s own published policy (source page); complaint counts are census classifications. As of 2026-09-17.
Policy-page monitoring
We monitor this company’s published policy page for changes. 1 change detected since we started watching on 2026-09-01:
- 2026-09-15: +1/-1 lines; added: About Us Contact Us Log In Search; removed: About Us Contact Us Log In (snapshot)
Automated change detection on the company’s own published policy page — a record of when the page changed, not a judgement on what changed.
Measured reply time: across 30 negative reviews that received a public reply, the median wait was 0.7 days — the company profile reports an average of under a day.
Reply quality: of 30 company replies to negative reviews analysed, 60% engaged with the specific problem and 40% were generic templates.
56% of its 132 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: other makes up 18% of this company’s complaints vs a 20% median across 47 ranked companies in its sector.
Review velocity: 277 of this company’s 327 Trustpilot reviews (85%) were written in the last 12 months.
Not enough reviews to establish a trend.
What are the most common complaints about Constellation?
Other
5 reports · 18% of complaints“I apply for service and recieved nothing with out an explanation.”
The company replied on 2026-09-08: “Hi Jennifer and Victor, We're sorry to hear you have not received an email from us. You should have received a confirmation once you completed your enrollment and then a welcome package once your…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
“Enrollment process was very cumbersome, so many extra steps that every other companu”
The company replied on 2026-06-22: “Hi Blaizie, We appreciate your feedback about our enrollment process. We have sent you an email requesting additional information that we will be happy to share with our internal teams. Your feedback…”
Our classifier read this reply as a template response.
“cancelled the application without giving any reason”
The company replied on 2026-05-27: “Hi Dhanu, We're very sorry to hear about this issue. We have sent you an email requesting additional information so that our customer care team can look into this further. If you can please respond…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
Account/app problems
5 reports · 18% of complaints“Nobody called so I could unfreeze my credit instead of rejecting my application.”
The company replied on 2026-07-13: “Hello, We apologize for your experience. Typically, you would have to unfreeze your credit with the credit bureaus and then contact us to let us know that you've done so. We have sent you an email…”
Our classifier read this reply as a template response.
“I have not received welcome package or any instructions for setting up my online account.”
The company replied on 2026-06-19: “Hi Gerardo, We're very sorry that you did not receive a welcome package from us. You should have received that once your service started. We have sent you an email requesting additional information…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
“No account number, no here’s how you sign into your account.”
The company replied on 2026-05-13: “Hi Lynn, We're very sorry to hear about your experience. You should have received a confirmation email once you completed your enrollment and a welcome packet once your service started at your…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
Support unhelpful
5 reports · 18% of complaints“They had charged me 17c a KWH.”
The company replied on 2026-07-31: “Hi Sam, We are very sorry to hear about your experience. We received your Facebook message and have sent you some follow-up questions so that we can escalate this to our customer care managers. We…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“i didn't get my email so i called and then i got my email. the email says i have to create an account to the refund portal”
The company replied on 2026-07-02: “Hi Jose, We are very sorry to hear about the issue you've experienced and the number of attempts you've made to get your deposit refunded. We have sent you an email for additional information. Once…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“whenever I apply they ask some more information but ecxetly what they want??”
Support unreachable
5 reports · 18% of complaints“haven't heard anything”
The company replied on 2026-09-23: “Hi Sam, We’re very sorry to hear about your experience. You should have received a confirmation email shortly after enrolling, followed by a welcome packet once your service begins. In Georgia,…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“We haven’t received any follow-up information at all.”
The company replied on 2026-09-09: “Hi Jeremie, We are sorry you have not received your welcome packet from us. We have sent you an email requesting additional information. If you could please respond to that, we can have our customer…”
Our classifier read this reply as a substantive response.
It promised: to make contact.
“No notification or communication”
The company replied on 2026-08-13: “Hi Tammy, We're so sorry to hear about your experience. We sent you an email requesting additional information. If you could please respond to that, we can escalate this to our customer care managers…”
Our classifier read this reply as a template response.
Billing errors
3 reports · 11% of complaints“They had charged me 17c a KWH.”
The company replied on 2026-07-31: “Hi Sam, We are very sorry to hear about your experience. We received your Facebook message and have sent you some follow-up questions so that we can escalate this to our customer care managers. We…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“Even when you pay the amount due, they send disconnect letters.”
The company replied on 2026-09-15: “Hello, We are sorry you received a disconnect letter despite having made a payment. If it was a late payment, it may have been past the normal deadline before a disconnect letter is generated. If you…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“cost of having go on a 1 month plans because YOU failed to submit the properly/corrected paperwork”
The company replied on 2026-05-07: “Hi Anthony, We are very sorry to hear about your experience. We have sent you an email to the address you used to leave this review. If you could please respond with the requested information, we can…”
Our classifier read this reply as a template response.
Misleading pricing
3 reports · 11% of complaints“Under the Budget Billing structure, a flat rate is charged for the first few months. However, if your usage exceeds the estimated amount, the bill is subsequently increased”
The company replied on 2026-08-26: “Hi Malavan, We appreciate you sharing your feedback about the Budget Billing program. We understand your frustration and would appreciate more information. If you could please visit our Facebook page…”
Our classifier read this reply as a template response.
“They had charged me 17c a KWH.”
The company replied on 2026-07-31: “Hi Sam, We are very sorry to hear about your experience. We received your Facebook message and have sent you some follow-up questions so that we can escalate this to our customer care managers. We…”
Our classifier read this reply as a substantive response.
It promised: to escalate.
“I’d be Uber 200$ a month and yet to see that”
The company replied on 2026-09-23: “Hi Catheryne, We’re sorry for any confusion caused by the information you received. Our customer care team can provide an estimate of what your bill may be, but they cannot confirm exactly what it…”
Our classifier read this reply as a template response.
Compare Constellation 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 2026-09-24.