Calpine, the largest private company in Houston, announced a deal to be acquired by Baltimore-based Constellation for approximately $16.4 billion Friday morning. Constellation would buy Calpine with ...

Constellation Energy’s deal to buy Calpine is being driven by fast-rising demand for electricity in part by the technology ...

Key Takeaways Constellation Energy shares surged Friday after the company agreed to buy private energy company Calpine in a ...