Tuya TS0121_plug

Smart Plug with Power Monitoring

Device type

Smart Switch

Max power

0.866 W

Standby power

0.404 W

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by entity). Look for a discovery prompt in Home Assistant and accept it to create the sensors. About discovery

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Tuya → TS0121_plug.

Open in Home Assistant

Add this to your configuration.yaml, replacing light.my_light with your own entity.

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: tuya
      model: TS0121_plug

Library sensor documentation

Community usage

36 opted-in installations

0.69% of 5,246 reporting installationsOpt in to analytics

Device

Manufacturer: Tuya
Form factor: Plug
Connectivity: Zigbee
Power monitoring: Yes

Power

Power range: 0.404 – 0.866 W
Standby power on: 0.866 W

Measurement

Calculation strategy: Fixed
Measure device: Shelly PM Mini Gen3
Measure method: Manual
Measure description: measure script recorder over 2 minutes
Mains voltage: 230 V

Library

Created: Dec 1, 2024, 8:12 PM UTC
Updated: Aug 31, 2026, 12:33 PM UTC
Contributors: RubenKelevra
Discovery: Automatic, by entity
Only self usage: Yes

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Tuya TS0121_plug

Smart Plug with Power Monitoring

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Smart Plug with Power Monitoring

Set up manually instead

Through the interface .css-bxmwoh{margin:0;font-family:"Roboto","Helvetica","Arial",sans-serif;font-weight:400;font-size:0.875rem;line-height:1.43;letter-spacing:0.01071em;}(recommended)

Or configure with YAML

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Through the interface (recommended)