Constellation is always very helpful with me time after time. Whatever I call for always get taking care of. Thanks alot constellation team.
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Price is a little higher than I want, but the length of the service was what made me switch back to Constellation.
Everything I call or have any concerns are any kind of doubts Everyone's always willing to help me out to explain things to go above and beyond to make sure that I get the best quality service you al... See more
The change in your billing process, made it difficult to determine why my account wouldn’t work. When the young man that I called took over the process, he explained everything to me and the new URL t... See more
Company replied
Company details
- Energy supplier
- Electric utility company
- Green energy supplier
- Housing utility company
- Nuclear Power Company
Serving millions of homes across the U.S.
Written by the company
- Constellation Energy is one of America’s most trusted and experienced energy providers, serving millions of homes across the U.S. As a Fortune 200 company (Nasdaq: CEG) and the nation’s largest producer of clean, carbon-free energy, we’re proud to help families power their homes more reliably and sustainably—with a wide range of electricity and natural gas plans designed for flexibility, value, and peace of mind.
- We offer fixed-rate plans to help you avoid seasonal rate hikes, renewable energy options to reduce your carbon footprint, and easy-to-use tools that let you track your usage and savings. Whether you're new to energy choice or switching providers, Constellation makes the process simple and transparent.
- We’re here to make energy choice simple, rewarding, and built around you. If you’re a current or past customer, we’d love to hear about your experience. Share your review here on Trustpilot and help others make informed energy decisions.
- Learn more at www.constellation.com
Constellation
Why Sign Up with Us
Quick and easy signup process
With easy online enrollment, getting started with Constellation takes just a few minutes.
Get rewarded every month
Customers can take advantage of Constellation Rewards, giving you access to exclusive perks, discounts, and savings just for being a customer.
We make switching easier
In select markets, we’ll even cover your cancellation fee when you make the switch—making it easier and more affordable to choose Constellation with confidence.
Contact info
1310 Point Street, 21231, Baltimore, United States
- 855-465-1244
- constellation.com
Make a Power Move
4.2
Great
204 reviews
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Service is great
Service is great, bill arrives in a timely way. There are numerous perks with the service, such as how your ac is functioning.
3 August 2025
No problems so far
No problems so far. I once had to call Constellation and got someone on the phone. being able to speak directly to someone is important.
3 August 2024
The understanding the willing to go above and beyond to help someone out
Everything I call or have any concerns are any kind of doubts
Everyone's always willing to help me out to explain things to go above and beyond to make sure that I get the best quality service you all always offered me. So that's why I choose to continue having you guys for my electrical services. Thank you so much.
3 August 2025
How fast I received a phone call
22 July 2025
Satisfied customer Maggie Young
This is the best electricity company ever. I'm on a fixed income and I try to keep my usage low. Thanks for letting me know about the working of the air conditioner. That really help, if something is not working, Id be able to have it fixed before I began to lose money I can't afford.
22 July 2025
May use AI-assist with repliesRead more
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All great except for increase in costs…
All great except for increase in costs this year.
29 July 2025
Reply from Constellation
We appreciate your feedback. You can learn more about what goes into determining energy pricing at this article: https://www.constellation.com/energy-101/energy-choice/how-the-market-affects-pricing.html. We will share your comment with our pricing team. We appreciate you choosing Constellation.
Great service and best rates
25 July 2025
Great and friendly customer…
Great and friendly customer service,when you call they are cool and positive attitude,never disappoint
22 July 2025
Constellation is good but needs cheaper rates
Basically been happy with Constellation but wish rates were a little cheaper.
24 July 2025
Reply from Constellation
Hi JB, We appreciate your feedback and will share it with our pricing team. You can learn more about how energy pricing is determined here: https://www.constellation.com/energy-101/energy-choice/how-the-market-affects-pricing.html. We thank you for choosing Constellation. If you ever have questions about your rate or want to know if there is a different plan that would work better for your household budget and energy usage, please do reach out to us. Thank you.
The representative was very helpful and…
The representative was very helpful and explained how my my issue would be solved quickly! 🙌
21 July 2025
They have competive rates and live…
They have competive rates and live support . Their personnel is understanding and helpful
23 July 2025
I believe that your rates are too high…
I believe that your rates are too high right now. Please explain how you set your rates.
23 July 2025
Reply from Constellation
Hi Michael - There are a number of factors that go into how our energy rates are set. You can learn more about what influences energy pricing in this article: https://www.constellation.com/energy-101/energy-choice/how-the-market-affects-pricing.html. If you have more questions about your particular rate and plan or want to see if there is a different one that would work better for you based on your energy usage and household budget, please visit send us a private message through our Facebook page at: https://www.facebook.com/ConstellationEnergy/ or Contact Us at: https://www.constellation.com/about-us/contact-us.html. We appreciate your feedback and will share it with our pricing team. Thank you.
Easily navigated website
Easily navigated website. Usage straightforward as well as billing. The only thing that could be improved is the rate.
10 July 2025
Reply from Constellation
Hi Shelley, We appreciate you leaving us feedback and that you find our website easy to navigate and billing straightforward. We will make sure to pass along your feedback to our pricing team about the rate(s). Please don't hesitate to reach out to us through our Facebook page at: https://www.facebook.com/ConstellationEnergy/ or Contact Us at: https://www.constellation.com/about-us/contact-us.html if you ever need help with anything related to your account. Thank you for choosing Constellation!
Constellation is always very helpful…
Constellation is always very helpful with me time after time. Whatever I call for always get taking care of. Thanks alot constellation team.
11 July 2025
the offerings I choose didn't come up
the offerings I choose didn't come up. I choose .15KW and winded up with other plan. Tried to cancel and was told not able to. I looking at cancellation and paying the fine
23 July 2025
Reply from Constellation
Hi Bob, We're sorry to hear that the plan you wanted did not appear for you. Our rates and plans do change based on a number of factors including demand, weather and more. If you signed up for a plan, you do have 3 days to cancel your contract in Texas and up to 90 days in other states. If it is beyond that time period, you may be required to pay an early termination fee based on the state you live in. We have sent you an email requesting more information. If you could please respond to that, we will have our customer care managers look into this for you. Thank you.
Your service is excellent
23 July 2025
My experience with Constellation Energy
I love Constellation Energy. The customer service reps are very friendly and very helpful. They helped me when I needed it most. I really appreciate each and every one of them who work there.
Thank you for all you do.
17 July 2025
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