This sounds like some copycat Bubba. No power stations were harmed:
https://www.cbsnews.com/news/shooting-duke-energy-station-south-carolina-wateree-hydro-station/
There are usually copycat incidents after something like the North Carolina outages get lots of attention in the news.
At least there were multiple witnesses for the SC incident, which occurred during daylight hours--possibly near a shift change at the power plant.