Global power grid
A global power grid was a utility network which distributed power throughout a planet.

A conspiracy led by Admiral Leyton in 2372 involved sending Red Squad to sabotage Earth's global power grid with a computer virus. The planetary  that followed was blamed on Changeling infiltrators. Leyton had hoped that the public's fear of Changelings would allow Starfleet to take political control of Earth in a coup d'etat. ()
Energy technology
Infrastructure