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About Constellation

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Constellation Energy is one of the largest conglomerates in North America. They operate over 35 power plants in 11 states and are one of the leading competitive suppliers of electricity and natural gas, as well as Baltimore Gas & Electric, their regulated utility in central Maryland.

In 2012 Constellation was purchased by Exelon, which has business activities in 47 different states. Exelon is the largest competitive power generator in the United States and is the second largest electricity and natural gas supplier in America.



Ohio Energy Ratings Score:


( 3.4 / 5 )
Our rating criteria
All Providers Ranked From High To Low


Constellation Customer Engagement

550   Reviews

436   Replies

Response Rate:
79.27 %




This graph ranks Price, Plans, Promotion, Order Experience, Customer Service, Billing, Account Management, Likelihood to recommend and Overall score of Constellation


Constellation Electricity Plans

Plan Company
Rating
Length Price
6 Month Home Natural Gas Plan
6 months

rate per CCF
more info
12 Month Home Natural Gas Plan
12 months

rate per CCF
more info
18 Month Home Natural Gas Plan
18 months

rate per CCF
more info
36 Month Home Natural Gas Plan
36 months

rate per CCF
more info


Looking for more options? Enter a zip code and check out all our plans!






550 Reviews and 436 Replies for Constellation


Great service

(5 / 5)

  Have had no issues. Much lower cost than previous carrier

Great service
June 12th, 2019

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Natural gas

(5 / 5)

  Sign up was very easy. No issues whatsoever. So far so good with their service. 30115

New sign up
June 12th, 2019

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Gas service

(5 / 5)

  Great transition with no issues.

James c
June 8th, 2019

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price and service was amazing

(5 / 5)

  price and service was amazing but canot get same or close rate from what i getting now,thanks

michael kriakos
June 8th, 2019

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Great

(5 / 5)

  Fast easy and best deal

New customer
June 6th, 2019

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Excellent co.

(5 / 5)

  Very good experience, just i wich electric companies do something to eliminate the ONCORE charges. In sometime is half the electric bill, outrageous!!

Eliezer
June 3rd, 2019

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No Problems

(5 / 5)

  I had no problems with this company. My account was closed due to some new regulation with the PUC.

pagram09
May 23rd, 2019

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Service & Pricing

(5 / 5)

  Excellent!

3812
May 16th, 2019

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Great Value

(5 / 5)

  I have been very happy since changing to Constellation. I was with another company for years but they had a better rate for a longer time.

Terri
May 16th, 2019

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First Choice of Provider

(5 / 5)

  Very friendly website and people. Shows clearly what you're charged for what you choose beforehand. Sends weekly usage to keep you informed. Haven't experienced this before. Great to have.

Jay
May 15th, 2019

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Great!

(5 / 5)

  Great service, great rate and excellent communications!

Liz
May 13th, 2019

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Love it

(5 / 5)

  Saved me a lot of money!

Savior!
May 11th, 2019

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Constellation Energy

(5 / 5)

  I appreciated the weekly usage updates that prepared me for the bill amount. The website could be a little more up to date with having a separate page for the account holders. I always had to search for the link to sign in. But it wasn't the worst thing in the world, and I would definitely continue with constellation if the price stays low.

Julia
May 11th, 2019

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Awesome!!!Awesome!!!Awesome

(5 / 5)

  I can believe I waited ten years to change to Constellation Energy. Cheap prices on their plan and saved every month that I was with Constellation.

Wes
May 6th, 2019

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Changing Gas Companies

(5 / 5)

  I contacted Constellation due to the excessive rates of the prior Gas Company. My service is just starting effective May 1st, so I do not have a lot of comments at this time.

Renee
May 5th, 2019

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Jeanne's review

(5 / 5)

  Only had 2 billings and have not put on the air conditioners yet. So it is hard to tell if I will still save on my electricity rates.

Jeanne Self
April 28th, 2019

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Good

(5 / 5)

  Good and easy

Good
April 12th, 2019

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Great Power Company.

(5 / 5)

  No surprises. Everything transpired just as they presented it. Effortless transaction. No one expected fees or charges. Highly recommend Constellation.

Bruce
April 8th, 2019

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Very pleased, so far

(5 / 5)

  Easy

Nelson
April 4th, 2019

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Great company!

(5 / 5)

  Have used this company for the past 2 1/2 years with no problems. We just renewed for another 3 yrs at an even lower rate. Helps greatly with our all electric house.

John
March 27th, 2019

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Example Bill
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