What is "powerplants"

Usage examples of "powerplants".

Sputtering powerplants snatched Gregson from his thoughts and he busied himself with engine control adjustments.

Nothing but SUM could have controlled the firefly dance of a million aircars among the towers: or, for that matter, have maintained the entire city, from nuclear powerplants through automated factories, physical and economic distribution networks, sanitation, repair, services, education, culture, order, everything as one immune immortal organism.