off the grid

Adjective

of a home idiomatic

(of a home, business, or the occupants thereof) Not using electricity from the public electrical supply system.

Japanese Meaning

公共の電力供給網から切り離され、独自の電力源で賄っている状態 / 外部の電力供給システムに依存せず、独自にエネルギーを確保している生活様式

She bought an off the grid house that runs entirely on solar power.

彼女は公共の電力網に接続されていない家を買い、その家は太陽光発電だけで完全に稼働しています。

Sense（1）

(of a home, business, or the occupants thereof) Not using electricity from the public electrical supply system.

[T]his 1,250-square-foot earth-covered house relies on solar power and is off the grid.

Sense（2）

Not connected to a publicly available communication system, such as the World Wide Web or a mobile telephone network.

Sense（3）

(idiomatic) Isolated; in a remote location; in seclusion; not participating in some official process or system.

The beach looked like a small swatch of an industrial wasteland. . . . He had promised me a crowd-free break that was off the grid, and here it was.