Hi,
I'm new to Home Assistant, and am setting up some dashboards. My energy supplier is Octopus and I've downloaded Octopus energy via HACS. When I check in the developer tools I can see that the half hourly data retrieved via the Octopus API looks sensible and agrees with what I see on the Octopus web site.
- start: '2026-05-29T00:00:00+01:00'
end: '2026-05-29T00:30:00+01:00'
consumption: 0.118
- start: '2026-05-29T00:30:00+01:00'
end: '2026-05-29T01:00:00+01:00'
consumption: 0.199
- start: '2026-05-29T01:00:00+01:00'
end: '2026-05-29T01:30:00+01:00'
consumption: 0.112
However, when I setup a graph in my dashboard the day's usage never starts at zero. It's as if the data is offset by some time. My graph config, MPAN and meter number redacted...
graph: line
type: sensor
detail: 1
entity: >-
sensor.octopus_energy_electricity_xxx_yyy_previous_accumulative_consumption
name: Yesterday electricity usage
limits:
min: 0
Thanks, Steve.