Noun
a system of high tension cables by which electrical power is distributed throughout a region
Source: WordNetWe should remember that there are nations which meet more than 30 to 60% of their power requirements through the nuclear power system. Abdul Kalam
I consider it immoral to be a supporter of a power system. Noam Chomsky
I don't believe, in the 21st century, in the balance of power system. This is a European idea of the 19th and 20th centuries. Joschka Fischer