Constellation Energy has been awarded a record $1 billion in contracts to supply nuclear power to the U.S. government over the next decade, the company said on Thursday.

Baltimore-based Constellation, the nation’s largest operator of nuclear power plants, has been awarded more than $1 billion in federal contracts to supply power to government agencies and lead conservation measures.

Constellation Energy signed two contracts awarded by the U.S. General Services Administration (GSA) worth more than $1 billion. The contracts are to supply power to more than 13 government agencies and perform energy savings and