Whoops:
U.S. officials say they have no information that a power grid in the northeastern state of Vermont was penetrated, even as they continue to investigate suspected Russian malware found on a utility's laptop computer. The Department of Homeland Security said late New Year's Eve that the laptop was not connected to the electrical grid operated by the Burlington Electric Department.
Link:http://www.voanews.com/a/russian-mal...d/3658860.html

A more polemical, almost funny in places given the author, but it does cite the WaPo story having an Editor's update:
Link:https://theintercept.com/2016/12/31/...electric-grid/