Electric power system history in 1881 two electricians built the worlds first power system at godalming in england it was powered by two basics of electric power electric power is the product of two quantities current and voltage these two quantities can components of power systems all . Electric power systems builds an 850 pound lithium ion battery pack for nasas all electric x 57 maxwell aircraft hampton va april 5 2019 electric power systems eps designed a lithium ion battery for nasas aggressive all electric x 57 maxwell aircraft read more. What is the electric power system from a general perspective an electric power system is usually understood as a very large network that links power plants large or small to loads by means of an electric grid that may span a whole continent such as europe or north america. Electric power systems are designed such that the impedances between generation sources and loads are relatively low this configuration assists in the maintenance of a stable fixed system voltage on loads