Energy monitors / Shelly

Shelly EM Gen4

Measures electrical energy use with local and cloud operation. Reports connected-load power consumption.

Sources checked: European Union, Australia, United States, United Kingdom, Canada

Photo: Shelly

Connections: Wi-Fi, Zigbee, Bluetooth, Matter

What it can do

Features and the setup they need.

Features, setup and recorded confirmation
Feature & setup	Confirmation & sources
Power readings in the maker’s app Manufacturer app What you’ll need Use a compatible phone for this app function. How to use it Add the exact device in the named app and enable this function.	✓ Manufacturer confirmed www.shelly.com · 2026-10-25 www.shelly.com product/support information ↗
Measure energy use Device feature	✓ Manufacturer confirmed www.shelly.com · 2026-10-25 www.shelly.com product/support information ↗
Home Assistant integration Home Assistant What you’ll need Use a Home Assistant installation with the documented exact-model integration.	✓ Manufacturer confirmed www.shelly.com · 2026-10-25 www.shelly.com product/support information ↗
Google Home integration Google Home	✓ Manufacturer confirmed www.shelly.com · 2026-10-25 www.shelly.com product/support information ↗
Alexa integration Alexa	✓ Manufacturer confirmed www.shelly.com · 2026-10-25 www.shelly.com product/support information ↗

www.shelly.com product/support information ↗www.shelly.com · checked 2026-10-25
Feature documentation · Model details
Regional catalogue, model or offering evidence ↗shellystore.co.uk · checked 2026-10-26
United Kingdom: a related local version is listed

Features are based on the linked manufacturer documentation. Household results also check the equipment and software you select. How we check.