# \[APP\]\[Pro\] Power by the Hour: Insights per hour, day, month and year

**URL:** <https://community.homey.app/t/app-pro-power-by-the-hour-insights-per-hour-day-month-and-year/20535>\
**Category:** Apps\
**Tags:** app, tools\
**Created:** [November 10, 2019, 10:06pm UTC](https://community.homey.app/t/app-pro-power-by-the-hour-insights-per-hour-day-month-and-year/20535 "2019-11-10T22:06:03Z")\
**Posts on this page:** 1\
**Showing post:** 4012

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**Author:** ![Gruijter](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/gruijter/32/1973_2.png) [@Gruijter](https://community.homey.app/u/Gruijter)\
**Post date:** [August 22, 2026, 5:45pm UTC](https://community.homey.app/t/app-pro-power-by-the-hour-insights-per-hour-day-month-and-year/20535/4012 "2026-08-22T17:45:59Z")

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> [@Marlon\_Nieskens](#):
>
> But if you use solar only. The tarif of charging could be zero…

Well, that depends on your view. I setup PbtH to keep track of the ‘benefit’ of your solar panels in a solar summarizer. So if you ALSO set the charging tariff in the battery summarizer to 0, you are actually counting the same solar benefit twice.

So the battery summarizer uses grid tarifs as ‘cost’ during charging. And at the same time the solar panels uses the same grid tariff as ‘benefit’. IMO that is the most clean way of doing the bookkeeping.

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