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If that is the load power you need to divide it by the UPS efficiency to get the power drawn from the house (use 0.75 if you don’t know).
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That is a power sensor not an energy sensor, so you cant add it to the energy dashboard. Use a Riemann sum helper to convert power to energy. Be sure to use
method: left. -
You don’t need a unique id unless you want to edit some of the sensor properties from the frontend UI. It is as simple as adding
unique_id: something_unique_hereto your sensor config. -
In future Please format your pasted config correctly. See https://community.home-assistant.io/t/how-to-help-us-help-you-or-how-to-ask-a-good-question/114371#oneone-format-it-properly-16