One of the nation's top cybersecurity labs is hacking charging stations to see what happens to power flow on a local grid.

The U.S. electric industry has responded to a steady stream of cyberthreats to the power grid with more rigorous red-teaming and by using artificial intelligence, utility executives said.

Special communications networks for the most critical industries would guard against a major cyberattack, an advisory panel said.

Democrat Maria Cantwell introduced two letters in a Senate Energy and Natural Resources Committee requesting review of the nation's energy infrastructure cybersecurity.