Off the Grid
Definition - What does Off the Grid mean?
It is a facility that has on-premise infrastructure / equipment to generate and distribute electrical power and energy.
Techopedia explains Off the Grid
Such independent power generation equipment provides continuous power to the facility. Unlike public power /energy providers that are suspect to power failures and interruptions, the off the grid approach has minimal and/or foreseen downtime.
The off the grid approach is mainly implemented in data centers or high-end computing facilities that requires total availability of power resources in ensuring critical business /IT operations.