added 1,100 MW of capacity.

On April 28, 2011, Exelon announced its intention to purchase Constellation Energy. The merger was completed on March 12, 2012.

On May 27, 2011, Constellation Energy announced its intention to purchase StarTex Power, a retail electricity provider in Houston, Texas; the purchase was completed on June 1, 2011. In 2018, the StarTex brand was discontinued; Constellation served its existing customers instead. In May 2011, the company acquired MXenergy, a residential and small

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