Elliott
Very competitive pricing
Very competitive pricing. Good customer service

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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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Elliott
Very competitive pricing. Good customer service
Gregory
Sign up was easy and you had the best rates at the time
Pamela
Customer service made everything easy to get signed up and gas put in my name.
Lisa
Simple and fast. No problems at all.
customer
Good service
Peter & Lucy M G.
Easy to sign up. Lowest rates available.
Carmela
Very easy and quick to switch.
CHARLES
Was easy to make change.