All devices report same daily_energy value, regardless of which units are actually running.

[as-wallpen]

Checklist

• I have verified that the account and device works in the Comfort Cloud App.
• This issue only contains 1 issue (if you have multiple issues, open one issue for each issue).
• This issue is not a duplicate issue of currently previous issues..

What version of Home Assistant Core?

core-2026.7.4

Describe the issue

Problem description

All devices in an account report the same daily_energy value, regardless of
which units are actually running.

I have four indoor units on one account (German site). Last night only the two
bedroom units ran; the two office units were off the entire time. All four
*_klima_daily_energy sensors nevertheless incremented in lockstep and stayed
within ~10 Wh of each other over more than seven hours.

Readings taken at 07:35 local time:

Entity	Unit ran overnight?	daily_energy
Schlafen groß Klima Daily Energy	yes	0.565 kWh
Schlafen klein Klima Daily Energy	yes	0.566 kWh
Büro groß Klima Daily Energy	no	0.571 kWh
Büro klein Klima Daily Energy	no	0.562 kWh

Progression of two of them after the daily reset (identical steps):

Time	Büro groß (off)	Büro klein (off)
00:25	0.007	0.007
02:35	0.196	0.196
04:36	0.355	0.356
06:11	0.479	0.477
07:26	0.565	0.562

Data Mode is LIVE for all devices, so cached/offline fallback is not the
cause.

Second observation: the absolute value looks too low. 0.565 kWh since midnight
for two CS-Z35ZKEW split units running in cooling mode overnight is far below
what the units can plausibly have consumed.

Same pattern on a second, independent installation (different account, different
country, four units): all four sit at 0.072–0.073 kWh.

Question

Does the Comfort Cloud API already return one aggregated figure per account, or
is the per-device value being lost/overwritten in the integration? Happy to
supply debug logs showing the raw API response per device ID if that helps.

Environment

• Home Assistant Core: 2026.7.4
• panasonic_cc:
• Devices: 4× CS-Z35ZKEW (site A), 4× CS-Z42ZKEW / mixed (site B)
• Config entry options: enable_daily_energy_sensor: true,
  energy_fetch_interval: 300, device_fetch_interval: 120

Error/Debug Logs

[sockless-coding]

Hi @as-wallpen
The energy reporting from Panasonic isn't very good or reliable.
Since the values are so close I'm guessing Panasonic just bundled the energy of the devices and the difference is due to the snapshot time difference.
How does the reading look in the app?
Panasonic updates the energy api every ~15min

[as-wallpen]

Thanks for the quick reply — you were right.

I checked the Panasonic Comfort Cloud app itself (Energy Monitor, day view,
13 Aug 2026) for each of the four indoor units separately. All four show the
identical daily total of 0.84 kWh, with the same hourly bars: a grey "other"
baseline of roughly 0.05–0.08 kWh/h overnight and a "Cool" portion only between
05:00 and 07:00, even though only two of the four units were running.

So the aggregation already happens on Panasonic's side — the API is not
returning per-device figures, and there is nothing for the integration to fix.
The app also labels the figures as approximations and states that the billing
values cover only the heating/cooling devices.

One suggestion, entirely optional: it might save others the same confusion if
the docs noted that daily_energy can be an account-level figure replicated
across all devices, rather than per-unit consumption.

Feel free to close this.

[xyz667]

One suggestion, entirely optional: it might save others the same confusion if the docs noted that daily_energy can be an account-level figure replicated across all devices, rather than per-unit consumption.

My guess is that the aggregation happens per outdoor unit (which is where most of the energy is used anyway), not on the account level.