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Sat 8am-5pm CST
M-F 8am-6pm EST
M-F 8am-8pm EST
Business customers can speak with a representative by calling 844-6-ENERGY (844-636-3749)
You can also contact Constellation through Facebook and Twitter. Their social media accounts are monitored from 9 am to 4 pm CST Monday through Friday.
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Headquarters: Baltimore, Maryland
Subsidiary of: Exelon Corporation, an American Fortune 100 energy company headquartered in Chicago, Illinois.
Service Offerings: Electric power, natural gas, and energy management services.
Market Served: Competitive energy supply service and a wide array of sustainable products to residential customers in Connecticut, Delaware, Georgia, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Michigan, Nebraska, New Jersey, Ohio, Pennsylvania, Texas, Virginia, Wyoming and Washington D.C.
Constellation offers various renewable energy options for homes and businesses. Many of their renewable plans for from wind power. For residential users, they also offer bundling of electricity plans with A/C protection.
Constellation Energy offers several different options for small to large businesses. Their services include 100% renewable, block and index, plus management and consulting services.
To get a custom Constellation Energy quote for your business get started here.
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Constellation Energy offers many simple, efficient ways to make payments.
Pay Online: You can sign up online for automatic payments or make a one-time payment on Constellation Energy’s online payment portal.
H3: Pay by Phone:
P.O. Box 5471
Carol Stream, IL 60197-5471