# \[APP\]\[Pro\] Power by the Hour \[Feature Requests\]

**URL:** <https://community.homey.app/t/app-pro-power-by-the-hour-feature-requests/69740>\
**Category:** Ideas & Suggestions\
**Tags:** app, homey-pro\
**Created:** [October 2, 2022, 9:14am UTC](https://community.homey.app/t/app-pro-power-by-the-hour-feature-requests/69740 "2022-10-02T09:14:03Z")\
**Posts on this page:** 1\
**Showing post:** 47

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [October 22, 2022, 2:33pm UTC](https://community.homey.app/t/app-pro-power-by-the-hour-feature-requests/69740/47 "2022-10-22T14:33:30Z")

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> [@Rikard\_Lundgren](#):
>
> like to be able to measure e.g. the total energy of several individual devices.

Hi Rikard, afaik this can easily be done with a \< group \> app device as in-between. It can group devices with matching capabilities and it sums the values without flows.  
When you add a group app device, and select ‘power’ as matching capability, you’ll be able to select your individual power devices.

> ![Screenshot from 2022-10-22 16-38-33](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/a/0/a00217e7ef705d2e21ebdd177a251588490ba0bf.png)

Now, you can add a power summarizer, and select the group device as input.

As example, I added the “1.Growatt”, another 2 Growatts (not in screenshot) and “4.SlimMeter” power sensors to a group device called “3.Power devices.”  
Then the summarizer “3.Power devices” shows the total power of the grouped devices:

 ![Screenshot from 2022-10-22 16-31-30](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/8/f/8fd75b2f736623ff858de8e3cd229325915f98ea.png)

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