Constellation in Texas


Constellation Energy is a major competitive energy retailer based in Baltimore that exists in several states throughout the country. The company is present in Texas under the brand StarTex Power.

About Constellation and StarTex in Texas

Constellation Energy sells electricity, natural gas, and other energy products in 10 states accross continental US (Connecticut, Illinois, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania, Texas, and Washington, D.C.). StarTex Power was founded as an alternative retail electric provider in Texas in 2004. In May 2011, Constellation signed a definitive merger agreement to acquire 100 percent of StarTex Power.

Contact StarTex

You can call StarTex Power Customer Service at 1-866-917-8271. Find more ways to contact StarTex Power on our dedicated page.

Contact Constellation

Constellation Customer Service is available toll-free at 1-877-997-9995. Find customer service hours and more on our .

Find Out More About StarTex

You can find out more information about StarTex, including our opinion of them, on our dedicated page