With just a few shots from a high-powered rifle, an unknown gunman knocked out an electric power substation in rural south-central Utah last month, cutting off electricity to 13,000 customers for a ...

The incident is raising questions about what utilities, state officials and the federal government can do to prevent future attacks. The attack on two power substations in North Carolina over the ...

Add Yahoo as a preferred source to see more of our stories on Google. Even before Christmas Day attacks on power substations in five states in the Pacific Northwest and Southeast, similar incidents of ...

Policymakers in several states are looking to shore up the security of the electrical grid after a series of attacks at substations in recent months exposed vulnerabilities and knocked out power for ...

Almost 300,000 miles of high voltage transmission lines and about 2 million miles of low voltage distribution lines serve around 300 million US customers. Those are the ‘pipes’ that route the power to ...