Nuclear powerhouse Constellation Energy announced Tuesday it will spend roughly $100 million to upgrade critical electrical systems and plant equipment at its Calvert Cliffs nuclear power plant, where the company may pursue license renewals.

The Maryland Energy Administration (MEA) has awarded grants to Rockville, Md.–based X-energy—developer of the Xe-100 small modular reactor—and Frostburg State University for a collaborative study to determine the potential for siting an SMR at a state coal site. A joint analysis of the study’s findings is to be delivered to MEA later this year.