How to connect whatwatt P1 meters with the Zerofy app

Availability

This integration is only available for zerofy.

Preconditions

• Your whatwatt P1 dongle is installed and connected to your electricity meter in Switzerland.
• You have an active whatwatt account.
• Official website: whatwatt.ch

Connecting whatwatt with Zerofy

1. Open meter setup in Zerofy.
2. Select whatwatt.
3. Sign in with your whatwatt account.
4. Confirm account access.

After login, values are pushed live from whatwatt to Zerofy.

Meter type

• Main meter: Grid meter. Can be configured as bi-directional or consumption.
• Production: Measures solar production. Configure as sub meter with type production.
• Sub meter: Measures any type of device as a sub meter and appears in device consumption.

For full setup details with screenshots, see System Setup: Meter Configuration.