LUSBY, Md. — Steam drifts above two steel-lined concrete domes at Calvert Cliffs, a 50-year-old landmark for carbon-free energy perched along the Chesapeake Bay.
Those two domes, along with an adjoining building, make up the Calvert Cliffs Clean Energy Center, a familiar sight to locals and Maryland’s main producer of energy.
After a recent $100 million upgrade, Constellation Energy is considering a further investment in new equipment that could lead to a 10% boost in the amount of power generated at the plant. Constellation said that additional energy would amount to more than all the wind and solar energy currently produced in Maryland…