"She was a very nice person with a very nice voice her Respones was very good very good Customer Service."

"I was pleased with both representatives I spoke with"

"Terrible service. Terrible customer service. Terrible customer service. Terrible customer service. Terrible customer service. Terrible customer service."

"I say thank you Jesus for the sweet, sweet spirit and patience shared to me from the c s rep. thank you."

"I could not hear agent well nor understand him"

"Excellent service, I have been a happy customer for two years. Unfortunately, their renewal offer prices for existing customers are much higher than those of other competing companies. I wish they had been..."

"My utility is Con Ed. Constellation is my ESCO. I was pleased with the level of professionalism of my customer service rep. The reason for my contacting Constellation by phone was due to a confusing mailing I received from the company. The mailing indicated a phone number to call for additional assistance but the company on the voice answering was Protocall not Constellation. I looked online for the Constellation phone number which prompted me to call in order to better understand the fixed and variable rates that are available. The customer rep was open to my questions, in fact engaged me in conversation and was able to demystify and clearly explain the rates to me. Thank you!"

"Everyone we spoke to was extremely pleasant."

"U people lie just to get customers to switch to U!!!!!!!!!!!"

"Overall I am satisfied, but with this one customer service call it made me want to find another provider! I made two calls although my issue was not resolved, the second person I spoke with was a much nicer person and her customer service was much better! Other than that it ok! I have told all my family and friends about the bad customer service received! Plus that automated service machine is the worst! It ****!"

"Quick, easy and very helpful."

"How my experience can be? Awful, after the using period I still receive invoices. I paid everything, How can I choose again or refer your company?"

"Great all the way up until the terrible customer experience I had with them yesterday. This was without a doubt one of the most frustrating customer experience calls of my life. To make a long story short, I moved out of my home and there was noone living in it during the payment period I called about. I was charge $90 during this time, and no gas heat was on, and no appliances were on. I was told that there is a $40 flat fee charge that always applies. I was requesting constellation take care of the additional $50. After an hour on the call (via international roaming $$$) and three transfers. i was told that I would need to contact the actual gas company that runs the meters and that there was simple nothing constellation could do. This is shocking. I had been a loyal customer for over 2 years and WAS planning to return to being a customer upon my return to Atlanta. However, based on how this situation was handled, Constellation has lost a customer, and has angered me so much in the process that I feel compelled to share my experience via social channels. It's a shame to see what Constellation was willing to do (or not willing to do) over a $50 fee that was charged erroneously. I can say with confidence that in the long run, it would have been in Constellations best interest to have simply done the right thing and taken care of this erroneous charge."

"I was disappointed that your rates have gone up -- to the point that I decided to stop the service. If your rates become more reasonable again, I would consider using it again."

"Customer service was Very helpful"