How to recognize power loss when starting

[vpa (Vaclav Panenka)]

I need recognize power loss when HA starting. I need different startup when HA reboot and when starts after power loss. UPS doesn’t helped. Thank you.

[MaxK (Mark)]

Graceful Shutdown Sensor

Here’s a Trigger-based Template Sensor I recently created that reports one of two states on startup: start if Home Assistant was shutdown normally prior to starting. interrupt if Home Assistant was not shutdown normally prior to starting. It also maintains a history of the ten most recent stop/started events, sorted in reverse chronological order (i.e. most recent is first). This attribute is optional. - trigger: - platform: event event_type: - homeassistant_started …