Winner
Updated September 2026
Data from Amazon and official NodOn and Sonoff sites.
2026 verdict
For most buyers in 2026, NodOn 3CT Zigbee Energy Meter is the safer pick over SONOFF POWCT because of warranty, metering, and connectivity.
The main reason it wins is warranty, metering, and connectivity, and local control strengthens that case. SONOFF POWCT is still relevant if you care most about integrations, data & monitoring, and relay output, but NodOn 3CT Zigbee Energy Meter is the stronger recommendation overall. That is why NodOn 3CT Zigbee Energy Meter wins the verdict here.
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| Feature | NodOn 3CT Zigbee Energy Meter | SONOFF POWCT | Winner |
|---|---|---|---|
| Warranty | 2 years | 1 year | NodOn 3CT Zigbee Energy Meter |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Solar Net Metering | NodOn 3CT Zigbee Energy Meter |
| Connectivity | Zigbee, Other | 2.4 GHz WiFi | NodOn 3CT Zigbee Energy Meter |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | SONOFF POWCT |
| Data & Monitoring | None | Data Export, Usage Alerts | SONOFF POWCT |
| Local Control | Local API | None | NodOn 3CT Zigbee Energy Meter |
| Relay Output | NO | YES | SONOFF POWCT |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Load Management | YES | YES | Tie |
Winner
Price unavailable right now
- + Warranty: 2 years
- + Metering: Three-Phase Support, Solar Net Metering, Power Factor Readings
- + Connectivity: Zigbee, Other
- - Integrations: Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Data & Monitoring: None vs Data Export, Usage Alerts
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Data & Monitoring: Data Export, Usage Alerts
- + Relay Output: YES
- - Warranty: 1 year vs 2 years
- - Metering: Solar Net Metering vs Three-Phase Support, Solar Net Metering, Power Factor Readings
Frequently Asked Questions
Which is better overall: NodOn 3CT Zigbee Energy Meter or SONOFF POWCT?
NodOn 3CT Zigbee Energy Meter has the stronger overall profile in this comparison, especially for warranty, metering, and connectivity.
What is the biggest difference between NodOn 3CT Zigbee Energy Meter and SONOFF POWCT?
Warranty is one of the clearest differences: NodOn 3CT Zigbee Energy Meter lists 2 years, while SONOFF POWCT lists 1 year.
Who should buy NodOn 3CT Zigbee Energy Meter?
Choose NodOn 3CT Zigbee Energy Meter if your priority is warranty and metering and that matters more than integrations.
Who should buy SONOFF POWCT?
Choose SONOFF POWCT if your priority is integrations and data & monitoring and that matters more than warranty.
Full comparison table
Compare all 25 Energy Monitors side by side
You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 25 Energy Monitors
- 46 specs compared
- 43 filters
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90
NodOnZigbee Smart Energy Monitor
ShellyPro EM-50
$119.99
EmporiaVue 3
$199.99
ShellyEM Gen3
$69.99
Shelly3EM-63W Gen3
EmporiaVue 3 3-Phase
$209.99
RefossEM01P
16% OFF$82.99$69.99
ShellyEM Gen4
SonoffPOWCT
$38.19
ShellyEM Mini Gen4
$24.99
RefossEM06P
ShellyPro 3EM v2
$154.99
ShellyPro 3EM 3CT63
$150.99
MerossEM16P
20% OFF$199.99$159.98
ShellyPro 3EM-400
$329.99
RefossEM16P
$169.99
MerossEM06P
AeotecHome Energy Meter 8
$95.99
SonoffMINI PM Zigbee Power Meter (Non-Switch)
$15.90
- Energy MonitorsNodOn
3CT Zigbee Energy Meter
- Energy MonitorsNodOn
Zigbee Smart Energy Monitor
4.7(62) 
IR Remote ControlsNodOnZigbee AC Infrared Controller
3.9(13)€54.44
Radiator ValvesNodOnZigbee Thermostatic Radiator Valve
RelaysNodOnZigbee Multifunction Relay Switch with Metering
4.7(13)€46.72
RelaysNodOnZigbee Multifunction Relay Switch
4.5(135)
RelaysNodOnZigbee ON/OFF Lighting Relay Switch
4.4(75)€39.95
RelaysNodOnZigbee Pilot Wire Heating Module
4.4(64)€47.78
RelaysNodOnZigbee Roller Shutter Relay Switch
4.1(95)
Temperature & Humidity SensorsNodOnZigbee Temperature and Humidity Sensor
3.6(17)$57.75
Wall SwitchesNodOnBattery-free Zigbee Wall Switch
4.3(10)
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(188)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(169)$49.90
CamerasSonoffCAM GlassView
4.4(10)$34.90
CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(170)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.3(10)€149.90
DisplaysSonoffNSPanel Pro
4.1(72)$129.90
DonglesSonoffDongle Lite MG21
4.5(436)$24.90
DonglesSonoffDongle Max
4.3(595)
DonglesSonoffDongle Plus MG24
4.7(669)$35.90
DonglesSonoffDongle Plus PP10
4.6(78)$35.90
DonglesSonoffDongle-PZG23
4.6(171)10% OFF$39.90$35.91
DonglesSonoffZBDongle-E
4.6(3,729)$24.90
DonglesSonoffZBDongle-P
4.6(5,671)15% OFF$39.99$33.96
Door & Window SensorsSonoffDW2-WIFI
3.8(1,061)$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
4.4(185)- Energy MonitorsSonoff
MINI PM Matter Over WiFi Power Meter (Non-Switch)
5.0(1)$15.90