FACILITY
Power Autonomy Hours (PAH)
Hours the Station can hold critical life-support off-grid at full draw. The number the Power Autonomy Loss drill is run against, and the floor under every chiller and pump on the board.
Threshold Bands
| Band | Range | State |
|---|---|---|
| Secure | ≥ 12 h | OK |
| Thin | 6–12 h | WARN |
| Critical | < 6 h | CRIT |
Formula
Battery and generator runtime sustaining critical life-support at full load.