Network UPS Tools (NUT)

The Network UPS Tools (NUT) integration allows you to monitor a UPS (battery backup) by using data from a NUT server.


Adding Network UPS Tools (NUT) to your Home Assistant instance can be done via the user interface, by using this My button:

Network UPS Tools (NUT) can be auto-discovered by Home Assistant. If an instance was found, it will be shown as “Discovered”, which you can select to set it up right away.

Example Resources

Given the following example output from NUT (your variables may differ):

$ upsc [email protected]
ups.timer.reboot: 0
battery.voltage: 27.0
ups.firmware.aux: L3 -P
ups.mfr: American Power Conversion
battery.runtime.low: 120
ups.delay.shutdown: 20
ups.load: 19
ups.realpower.nominal: 600
battery.charge.warning: 50
battery.charge.low: 10
ups.vendorid: 051d
ups.timer.shutdown: -1
ups.test.result: No test initiated
ups.firmware: 868.L3 -P.D 3B1519X19994
ups.productid: 0002
battery.runtime: 2552
battery.voltage.nominal: 24.0
battery.type: PbAc OL
ups.model: Back-UPS RS1000G
ups.beeper.status: disabled
battery.charge: 100
input.sensitivity: medium
input.transfer.low: 88
input.transfer.high: 147
input.voltage: 121.0
input.voltage.nominal: 120
input.transfer.reason: input voltage out of range
output.current: 1.10
output.frequency: 60.20
output.voltage: 121.50
output.voltage.nominal: 120

Use the values from the left hand column. Support is included for most values with ups, battery, input and output prefixes.

UPS Status - human-readable version

An additional virtual sensor type ups.status.display is available translating the UPS status value retrieved from ups.status into a human-readable version.