Let’s start by looking at the successful grid attack that occurred in Moore county, NC in December of 2022. However, this incident did not cause societal collapse or anything close to it. Texas shows us how to have a months-long grid failureIn February, 2021, the state of Texas (population 30 million people) came minutes away from a complete grid failure. Domestic terrorists who want to cause a grid collapse would try to duplicate the scenario by waiting for a time when the power grid is experiencing high load, either because of extreme hot weather or cold weather in the area. The third kind of action would be to add excess capacity to the power grid and beef up supplies for repair.

Source: CNN January 13, 2023 11:04 UTC