Constellation Energy has delivered a powerful performance since its separation from Excelon.Constellation Energy (CEG +1.47%) is the country's largest producer of carbon-free energy. It's the leader in generating nuclear energy. Constellation also operates a mix of hydro, wind, and solar energy assets. It sells the power it produces to other utilities, commercial and industrial customers, and residential users. The power company went public in February 2022 following its spinoff from utility Exelon. Here's ...