Energy Monitors · Head to head

Refoss EM01P vs Shelly EM Mini Gen4

Full Smart Energy Monitors comparison in 2026

Updated September 2026
Data from Amazon and official Refoss and Shelly sites.
2026 verdict
In 2026, the recommendation leans toward Shelly EM Mini Gen4 over Refoss EM01P, driven by price, breaker panel install, and connectivity.
Shelly EM Mini Gen4
Winner
Shelly EM Mini Gen4
$24.99
Buy on Amazon USACheck price
The comparison tilts its way because of price, breaker panel install, and connectivity, with integrations and data & monitoring keeping it in front. You should still consider Refoss EM01P if rating, metering, and smart meter port matter more than raw overall balance. For most setups, Shelly EM Mini Gen4 is the smarter buy.
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FeatureRefoss EM01PShelly EM Mini Gen4Winner
Price$69.99$24.99Shelly EM Mini Gen4
Rating4.64.5Refoss EM01P
MeteringSolar Net MeteringNoneRefoss EM01P
Breaker Panel InstallNOYESShelly EM Mini Gen4
Smart Meter PortYESNORefoss EM01P
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, ZigbeeShelly EM Mini Gen4
IntegrationsHome AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly EM Mini Gen4
Data & MonitoringEnergy Cost Tracking, Data ExportEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly EM Mini Gen4
Local ControlLocal API, MQTT, Local Web InterfaceLocal API, MQTT, Local Web InterfaceTie
Relay OutputNONOTie
Load ManagementNONOTie

Frequently Asked Questions

Which is better overall: Refoss EM01P or Shelly EM Mini Gen4?

Shelly EM Mini Gen4 has the stronger overall profile in this comparison, especially for price, breaker panel install, and connectivity.

What is the biggest difference between Refoss EM01P and Shelly EM Mini Gen4?

Price is one of the clearest differences: Refoss EM01P lists $69.99, while Shelly EM Mini Gen4 lists $24.99.

Which one looks better on price?

Refoss EM01P is listed at $69.99, while Shelly EM Mini Gen4 is listed at $24.99. Shelly EM Mini Gen4 (better spec).

Who should buy Refoss EM01P?

Choose Refoss EM01P if your priority is rating and metering and that matters more than price.

Who should buy Shelly EM Mini Gen4?

Choose Shelly EM Mini Gen4 if your priority is price and breaker panel install and that matters more than rating.

Full comparison table

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  • 23 Energy Monitors
  • 46 specs compared
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