Not connected to public utility infrastructure (especially the electrical grid), typically producing one's own power, water, or other necessities.
2.
Generalinformalneutral
Not reachable, traceable, or registered by usual means; outside official records, public systems, or routine channels of contact or detection.
3.
GeneralFictionalinformaltechnicalcolloquial
Outside of a tracking, coordinate, or reference system; not aligned with or included on a given grid or mapping framework (used in technical or fictional contexts).