I’ve got a whole house battery system and I’d like to be able to show the amount of energy charged into the battery. The battery discharges from 12:00 until 22:00, then at 22:00 it switches to charging mode. It usually stops somewhere from 1-2 in the middle of the night. I’d like to capture the daily charging energy from 22:00 for ~8 hours. My idea on how to do this is to just offset the kWh calculation by 12 hours (ideally it would be 22:00 to 12:00 the next day but that’s not super critical).
- What Grafana version and what operating system are you using?
Grafana v8.1.4 (6855cdff7c)
What are you trying to achieve?
Display a bar graph for daily energy used noon to noon rather than standard midnight to midnight.
- How are you trying to achieve it?
SELECT integral("value") /3600 FROM "w" WHERE ("entity_id" = 'solark_battery_charging_power')) AND $timeFilter GROUP BY time(1d) fill(null)
- What happened?
This works but shows power within one calendar day (midnight to midnight) but I need to offset it to noon to noon.