Top picks highest rated, in stock
SONOFF POWCT Smart Power Meter
The SONOFF POWCT watches one circuit with a 100A clamp for under $45, and can switch a load through a contactor. Here is who it suits.
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Shelly Pro EM-50 Energy Meter
The Shelly Pro EM-50 tracks two big circuits, like an EV charger or heat pump, and can switch a heavy load through a contactor. Here is who it suits.
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Shelly Pro 3EM Energy Meter
The Shelly Pro 3EM gives accurate whole-home and solar readings over Wi-Fi or Ethernet, and works locally with Home Assistant. Here is who it suits.
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Siemens Inhab Smart Home Energy Monitor
The Siemens Inhab tracks your whole home and up to 16 circuits, with all sensors in the box. Here is how it compares with the Emporia Vue 3.
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Aeotec Home Energy Meter 8
The Aeotec Home Energy Meter 8 tracks whole-home and solar power for under $100, but it only works with a Z-Wave smart-home hub. Here's who it suits.
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Emporia Vue 3
The Emporia Vue 3 is an in-panel energy monitor that shows your whole-home use and up to 16 individual circuits in a phone app, with no subscription.
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Shelly EM Gen3
The Shelly EM Gen3 is a tiny Wi-Fi energy meter that tracks one or two circuits, such as an EV charger, heat pump or solar feed, and can signal a contactor when…
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Refoss Smart Home Energy Monitor
The Refoss EM16P is an in-panel energy monitor with 16 circuit sensors and two mains sensors, built to run on your own network through a local web page, Home…
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Fusion Energy SEM-Meter
The Fusion Energy SEM-Meter is a budget in-panel monitor that clips sensors onto your mains and up to 16 individual circuits, and shows usage in a phone app or…
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Out of stock Emporia Vue Gen 2
The Emporia Vue Gen 2 is the earlier version of Emporia's in-panel monitor: it tracks your whole home and up to 16 individual circuits in a phone app, with no…
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Home Energy Monitor vs. Your Utility’s Smart Meter App: What’s the Difference?
Your utility might already show you usage data for free — here's when that's enough, and when it isn't.
Read guideDo You Need an Electrician to Install a Home Energy Monitor?
It depends entirely on which type of monitor you buy — and the two types work very differently.
Read guideHow Much Does a Home Energy Monitor Actually Save You?
The honest answer: the monitor itself saves nothing. What you do with the data is where the savings come from.
Read guideWhole-Home Detection or Circuit-Level Sensors? How Energy Monitors Actually Differ
Machine-learning device detection or per-circuit sensors? Here's how energy monitors actually differ, and which approach fits how you want to use the data.
Read guideDo You Actually Need an Energy Monitor? A Simple Way to Figure It Out
Skip the guesswork. Here's how to tell whether an energy monitor is actually worth it for your home — before you spend a dollar on one.
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