The answer(s)Yes, they were !
They were not used as weapons !
StoryA power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid.
Wikipediahttps://en.wikipedia.org/wiki/Power_station
Youtubehttps://youtu.be/piK3JQPd4B0
Linkhttps://medium.com/understanding-reality/were-the-pyramids-power-plants-95fd2ebaf7af