Robert
Thanks for great service & helpful…
Thanks for great service & helpful information when I called your Customer Service, outstanding all the time!

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Constellation (constellation.com) has 362 customer reviews on Five Star Index, with an average rating of 4.2 out of 5.
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Robert
Thanks for great service & helpful information when I called your Customer Service, outstanding all the time!
Barbara
Quick communication
Donna
I switch back to constellation due to the fact that I was not happy with my new provider constellation was very fast in signing me up and switching my electricity back over to them also the price was much better
Carol E.
I always. Get emails from. Constellation to inform. And price. Is. Comparable
Sally W.
I like the lower price
David
not much in communication
Response from ConstellationApr 21, 2026
Hi Dave, We're sorry to hear you haven’t received much communication from Constellation. You should have received a confirmation email when you enrolled in a plan with us, as well as a welcome packet once service started. We have sent you an email to the address used for this post requesting additional information. If you could please respond to that, we can escalate it to our customer care managers to look into and have a team member reach out. Thank you.
customer
Ease of signing up and price.
Islam
They have good rates and offer rewards