10 Best Smart Home Energy Monitor of 2025

Tested and Reviewed: Top 10 Smart Home Energy Monitor deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Refoss

Refoss Smart Home Energy Monitor Real-Time Electricity Usage Monitor with 16x60A Circuit Sensor, Energy Meter, Local Data Storage with Open API & Web UI, Home Assistant, Solar Metering, ETL Certified

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Editor's bottom line:

“This smart home energy monitor is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Comprehensive Home Energy Monitoring: Monitor your homes real-time electricity usage with 2 main circuit sensors (up to 200A each) and 16 branch circuit sensors (up to 60A each). The easy clamp-on design supports single-phase 2-wire, split-phase 3-wire, and three-phase 4-wire Wye (TN or TT) systems (excluding Delta), making this home energy monitor ideal for smart energy management.
Local Control & Privacy: Access your electricity usage through Web UI, Open API, and MQTT protocols without relying on the cloud. Integrate seamlessly with Home Assistant or other smart home platforms for local control. Local data storage ensures your energy data remains private while still supporting advanced home energy management and automation, allowing you to freely set automation rules and control every kWh of electricity usage.
Smart Automation & Solar Zero Feed-In: Native Home Assistant integration and Refoss App automation allow you to automate, manage, and control your homes real power. Surplus solar and net metering energy can be directed to medium-power appliances like heat pumps, dishwashers, and microwaves, while time-of-use and peak demand energy management ensures maximum solar self-consumption, prevents low-value grid feed-in, and reduces utility bills.
Advanced Data Analytics & Smart Alerts: The EM16P smart power meter records minute, hourly, daily, weekly, monthly, and yearly energy usage, with daily data securely stored in the cloud for up to 5 years and fully exportable without any subscription. Receive smart alerts when appliances exceed normal consumption or peak usage, such as if a fridge or washing machine consumes unusually high energy, allowing you to promptly check or adjust usage habits. Detailed reporting helps households identify waste, optimize energy efficiency, and save 10%-20% on electricity costs.
Real-Time Electricity Data: Provides 24/7 monitoring of voltage, current, active power, and power factor with ±1% accuracy (200A: 2200A; 60A: 160A) and ±2% at low current. Track energy usage of kitchen ovens, water heaters, dryers, central AC, and EV chargers. Optimize energy consumption, save costs, and manage your home efficiently with this smart home energy meter.
ETL Certified & Reliable Performance: ETL certified and compliant with UL 61010 safety standards for safe installation and reliable operation. Built with high-quality clamp-on CTs and backed by a 2-year warranty with customer support, its a dependable power consumption meter for long-term energy management.

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Picked by 397 people today

9.5

meross

Meross Smart Energy Consumption Monitor with 18 Circuit Monitoring, Electricity Usage Monitor, Real-Time Power Usage Monitor, Home Assistant Support, Smart Alerts, No Subscriptions, 2-Year Warranty

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Main Highlights

SAFE & RELIABLE: Meross smart energy consumption monitor is ETLcertified and compliant with the UL 61010 testing standard, ensuring safe and reliable home energy monitoring. Works with most US homes: single-phase 2-wire systems, single-split phase 3-wire systems, and 3-phase 4-wire Wye systems with earthed (TN or TT) neutral (no Delta). Easy clampon design installs in minutes. Invert CT readings in the appno physical flipping. PROTECTED BY 2-YEAR WARRANTY for worry-free use.
TRACK ENERGY & CUT BILLS: Track power, voltage, current, and power factor within ±2% accuracy. Clear power usage and cost charts by minute/hour/day/month/year help you easily understand your energy use. Store up to 5 years of data and export hourly reports for deep analysis. Most users save 1020% on energy costs by spotting energy hogs and getting accurate insights to cut their bills.
24/7 ENERGY MONITORING + SMART ALERTS: Real-time home energy monitoring from anywhere. Set custom alerts for unusual usage spikes and threshold breaches for total peace of mind. Catch issues early with no subscriptions, no cloud lockin, and no hidden fees all built-in. Supports 2 main circuits (200A) + 16 branch circuits (60A), making it perfect for precise, circuit-level energy monitoring.
MAXIMIZE YOUR SOLAR SAVINGS (HOME ASSISTANT): This solar energy monitor integrates with Home Assistant to detect solar surplus and automatically power EV chargers, water heaters, and other highuse appliances. Stop wasting solar energyuse it yourself and cut your electricity bill faster. The perfect home energy monitor for solar homes.
LOCAL DATA, FULL PRIVACY, NO SUBSCRIPTIONS: Connect seamlessly with Home Assistant for advanced energy automation. All energy data stays localno cloud, no delays, no privacy concerns. Take full control of your home energy, reduce waste, and protect your privacy. Supports Open API and Web Control.

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9.5

Fusion Energy

Smart Home Energy Monitor with 16 50A Circuit Level Sensors, Real-Time Power Usage & Electricity Cost Tracking, Ideal for Rental Homes & Shared Apartments, App History, Compatible with Home Assistant

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Main Highlights

EASY INSTALLATION: Installs in circuit panel of most homes with clamp-on sensors. Supports single-phase up to 240VAC line-neutral; single, split-phase 120/240VAC; and three-phase up to 415Y/240VAC (no Delta). The branch lines can automatically match different phases and have no restrictions in terms of quantity and voltage.Panels with access only to busbars will need flexible sensors available from SEM-Meter.
ENERGY MONITORING ANYTIME, ANYWHERE: Monitor your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. Protected by a 1-year warranty.
VARIOUS ELECTRICAL APPLIANCE MONITORING: Comes with 16 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc.
LOWER YOUR ELECTRIC BILL: SEM-Meter measures real-time spending and gets actionable notifications to understand where savings can be made, both to lower your electric bill and to conserve energy and protect the planets resources. Be an environmentalist.
REAL-TIME ENERGY DATA: Connect SEM-Meter device via 2.4GHz WiFi to monitor energy usage, with an accuracy range of 1%. View usage in real time through Android/Apple software. Statistics of power usage in now/day/week/month/year format: the validity period of hourly exported data is 90 days, and the exported data of day/month/year data is permanent, available at any time Export from application.
Super Privacy Mode ! run without our cloud ,without our app!! use your own MQTT server only!! run in LAN without internet access !!! (HomeAssistant with MQTT required.)
SMART ELECTRICITY BILL ALLOCATION FOR RENTAL HOMES: Perfect for rental houses, shared apartments, and multi-room properties. With multiple circuit monitoring, you can track power usage for each bedroom, common area, or EV charger without installing multiple electricity meters. Supports customizable electricity rate templates including peak, off-peak, and holiday pricing, allowing automatic electricity cost calculation based on time-of-use tariffs. After setting the pricing template, users can clearly see electricity usage and cost for each room or circuit, making billing transparent and helping landlords or property managers manage fair electricity allocation.

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9.2

EMPORIA

Emporia Vue 3 Home Energy Monitor - Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring

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Main Highlights

SAFETY YOU CAN TRUST WITH UL CERTIFICATION: With Emporia Energy, your home energy monitoring is safe, reliable, and certified. The Emporia Vue is UL Listed, meaning it has met rigorous safety standards for electrical products in the U.S. and Canada. This certification ensures that every component has been thoroughly tested to prevent hazards, such as overheating, short-circuiting, or fire, offering you peace of mind as you manage your homes energy consumption.
INSTALLS IN CIRCUIT PANEL of most homes with clamp-on sensors. Supports Single phase, Single-split phase, and 2-wire systems. 3-wire systems; 3-phase, 4-wire Wye systems with earthed (TN or TT) neutral (no-Delta) are supported with an additional 200A sensor (sold separately).
24/7 ENERGY MANAGEMENT AND MONITORING: Automate, manage and control your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. PROTECTED BY A 1-YEAR WARRANTY.
LOWER YOUR ELECTRIC BILL: Configure settings in the Emporia Energy App to automate energy management for time of use, peak demand, excess solar, and rewards programs. You can even see live reporting and invaluable savings opportunities instantly. Gauge real-time spending and get actionable notifications and automated energy management to help you reduce costs.
REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android / Web app. Vue sensors collect energy data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is only available in the app (when actively open) and retained 3 hours. Minute and hour data are retained in the cloud. 1 minute data is retained 7 days, 1 hour data is retained indefinitely. Export cloud data whenever you want in the app.
APPLIANCE MONITORING WITHOUT GUESSWORK: Comes with sixteen branch (50A) sensors to accurately monitor your critical loads like air conditioner, furnace, water heater, washer, dryer, range, etc. New and improved screw terminals / ports allow CT wires to be trimmed to reduce panel clutter.

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9.0

Refoss

Smart Home Energy Monitor Supports Home Assistant, Real-Time Accurate Energy Consumption Tracking, Electricity Usage Monitor with 16x60A Circuit Sensor, 36-Month History, Solar Metering, ETL Certified

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Main Highlights

NEW OpenClaw Support: Refoss devices compatible with Home Assistant now support OpenClaw, enabling smarter AI-driven automation and deeper smart home integrations.
Refoss Smart Home Energy Monitor is ETL Certified and supports 2 main circuit sensors (up to 200A each) and 16 branch circuit sensors (up to 60A each) with an easy-to-install clamp-on design. Compatible with single-phase 2-wire systems, single-split phase 3-wire systems, and 3-phase 4-wire Wye systems with earthed (TN or TT) neutral (no Delta). Easily installs in most home circuit panels and includes a 2-year warranty. Attention: Take care when handling the included current transformers to avoid damage.
24/7 Energy Monitoring: With the Refoss app, you can track your homes energy usage anytime, anywhere. Easily monitor the power, current, voltage, and power factor of major appliances like air conditioners, stoves, and water heaters. Quickly identify which devices are running efficiently and which ones might be wasting electricity. According to statistics, many users save an average of 10%-20% on their energy bills by optimizing appliance usage.
Zero Feed In Automation: The EM16 is a smart meter designed for solar owners, linking with Home Assistant to automate your zero feed-in strategy. Ideal for homes with solar panels, it detects solar surplus (like midday sun peaks) and automatically powers high-energy appliances - such as activating your washing machine, EV charger, or water heater - to consume excess solar energy onsite. This prevents low-value electricity feed-ins to the grid, maximizing your solar investment returns and slashing utility bills.
Comprehensive Energy Data: The power monitor provides 98% accuracy and stores up to 3 years of detailed electricity usage data. With clear minute, hour, day, month, and year consumption and cost charts, you can easily understand your energy use. Ideal for homeowners adjusting appliance usage to save on bills or businesses tracking long-term energy savings and emission reductions. Historical data can also be exported for further analysis, making every electricity expense transparent.
Smart Consumption Alerts: You can set personalized usage targets for each circuit. Once the system detects an unusual energy spikesuch as a sudden increase in power consumption by an appliance that exceeds the normal rangeyou will immediately receive a detailed alert notification. This allows you to take prompt action, such as checking if there is a malfunction with the device or adjusting your usage habits, thereby optimizing appliance usage across different times of the day.
Compatible with Home Assistant: EM16 Wi-Fi Energy Monitor is now compatible with Home Assistant! Simply update the firmware in the Refoss app to seamlessly integrate your energy management system with your smart home platform, enabling centralized control and automation. Additionally, all data is stored locally, ensuring your privacy is protected without cloud processing. API is not supported.

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8.8

Blindsmart

Smart Home Energy Monitor with 2 x 120A CTs, Live Electricity Usage Tracking, Bi-Directional Power Tracking, Supports Single-Phase 3-Wire System, 2.4GHz Wi-Fi (WiFi Version)

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Main Highlights

Accurate Energy Monitoring with Configurable ReportingDelivers highly precise tracking of voltage, current, power, and total energy consumption, helping you stay fully informed about your homes electricity usage. Features configurable data reporting intervals optimized for network stability and reliable performance.
Bi-Directional Power Monitoring for Solar SystemsDesigned for solar and battery storage systems, this energy monitor accurately measures both household energy consumption and power export to the grid with Class 1 accuracy.
Quick & Easy InstallationFeatures pluggable terminals and compact split-core CTs for a hassle-free setup, eliminating the need for complex wiring and making installation effortless.
Smart App & Home Automation IntegrationCompatible with the Smart Life app, offering advanced features like real-time data analysis, bi-directional monitoring, alerts, and customizable automation scenes for seamless smart home integration.
Optimized for Home Energy ManagementSupports HEMS (Home Energy Management System) with Dynamic Load Balancing (DLB) and zero grid export mode, maximizing energy efficiency and reducing electricity costs.

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8.6

EMPORIA

Emporia Vue 3 Home Energy Monitor - Smart Home Automation Module and Real Time Electricity Usage Monitor, Power Consumption Meter, Solar and Net Metering for UL Certified Safe Energy Monitoring

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Main Highlights

SAFETY YOU CAN TRUST WITH UL CERTIFICATION: With Emporia Energy, your home energy monitoring is safe, reliable, and certified. The Emporia Vue is UL Listed, meaning it has met rigorous safety standards for electrical products in the U.S. and Canada. This certification ensures that every component has been thoroughly tested to prevent hazards, such as overheating, short-circuiting, or fire, offering you peace of mind as you manage your homes energy consumption.
INSTALLS IN CIRCUIT PANEL of most homes with clamp-on sensors. Supports Single phase, Single-split phase, and 2-wire systems. 3-wire systems; 3-phase, 4-wire Wye systems with earthed (TN or TT) neutral (no-Delta) are supported with an additional 200A sensor (sold separately).
24/7 ENERGY MANAGEMENT AND MONITORING: Automate, manage and control your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. PROTECTED BY A 1-YEAR WARRANTY.
LOWER YOUR ELECTRIC BILL: Configure settings in the Emporia Energy App to automate energy management for time of use, peak demand, excess solar, and rewards programs. You can even see live reporting and invaluable savings opportunities instantly. Gauge real-time spending and get actionable notifications and automated energy management to help you reduce costs.
REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android / Web app. Vue sensors collect energy data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is only available in the app (when actively open) and retained 3 hours. Minute and hour data are retained in the cloud. 1 minute data is retained 7 days, 1 hour data is retained indefinitely. Export cloud data whenever you want in the app.
APPLIANCE MONITORING WITHOUT GUESSWORK: Add up to sixteen branch (50A) sensors (sold separately) to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc. New and improved screw terminals / ports allow CT wires to be trimmed to reduce panel clutter.

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8.3

SIEMENS

SIEMENS Inhab Smart Home Energy Monitor with 16-50Amp Circuit Level Sensors and 2-200Amp Main Sensors for Real Time Electricity Monitoring and Metering

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Main Highlights

ENERGY MONITOR WITH MOBILE APP (USA and Canada ONLY) Track current and historical home energy usage 24/7 in real time with the Inhab Smart Home Energy Monitor
PERSONALIZED ENERGY NOTIFICATIONS Set custom alerts to stay informed of energy savings opportunities and abnormal behavior such as an oven left on
WHOLE HOME AND CIRCUIT LEVEL MONITORING Installs in new and existing electrical panels. The Inhab energy monitor doesnt guess how much energy your home loads consume, it measures the energy usage directly at the panel mains and at the individual circuit level for up to 16 branch circuits
ADVANCED FEATURES Not only an energy monitor, also enables advanced energy functions such as Time of Use Management, Peak Demand Management, Excess Solar Management, Net Metering, and load shedding of compatible EV charges and other smart devices
DESIGNED AND TESTED TO RIGOROUS STANDARDS The Inhab Energy monitor is CE marked and UL Listed in US and Canada

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8.1

EMPORIA

Emporia Energy Monitor with 16 Sensors + 4 Smart Plugs Super Bundle - Whole Home Electricity Usage Tracking & Real-Time Control - Supports Solar Net Metering - Works with iOS, Android, Alexa

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Main Highlights

Comprehensive Whole-Home Monitoring: Includes the Emporia Vue Energy Monitor with 16 sensors to track usage from your main panel and up to 16 individual circuits. Gain second-by-second visibility into your homes energy use.
Smarter Control with 4 Wi-Fi Smart Plugs: Remotely control and automate devices plugged into the included 4-pack of Emporia Smart Plugs. View energy usage per outlet and create schedules to reduce standby power waste.
Track and Save with the Emporia App: Use the free Emporia app (iOS & Android) to track electricity usage, view trends, and set up automations. Data is securely stored in the cloud for anytime access.
24/7 Energy Management and Monitoring: Automate, manage and control your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs.
Lower Your Electric Bill: Configure settings in the Emporia Energy App to automate energy management for time of use, peak demand, excess solar, and rewards programs. You can even see live reporting and invaluable savings opportunities instantly. Gauge real-time spending and get actionable notifications and automated energy management to help you reduce costs.

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8.1

LyteSolar

Smart Home Energy Monitor 2×80A, Dual-Channel Real-Time Electricity Usage Monitoring for Household Power, WiFi Energy Meter with App Control, Compatible with Tuya/Smart Life

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Main Highlights

Dual-Channel Energy MonitoringThis smart home energy monitor features two independent 80A sensing channels, allowing you to track real-time electricity usage of major household circuits and high-power appliances such as air conditioners, furnaces, water heaters, washers, and dryers.
Real-Time Monitoring & Usage InsightsThis smart home energy monitor works with the Tuya or Smart Life app, providing real-time visibility into household electricity usage. Monitor key electrical data such as power, voltage, current, and power factor, and review historical energy records by hour, day, month, or year to better understand usage patterns, manage consumption, and reduce energy costs.
Bi-Directional Energy TrackingThis smart home energy monitor supports bi-directional power monitoring, allowing you to view electricity flow based on direction. It helps track energy usage in homes with solar panels, backup power systems, or mixed load scenarios, providing clearer insight into both power consumption and energy flow.
Simplified SetupDesigned for streamlined installation, this smart home energy monitor uses clamp-style sensors that attach externally to monitored circuits without cutting or modifying wires. Follow the in-app guidance to connect to a 2.4GHz Wi-Fi network and complete setup through the Tuya or Smart Life app.
Broad Home CompatibilityThis WiFi smart home energy monitor is designed for common residential electrical setups. Suitable for standard household circuits as well as homes with solar panels or backup power systems, it helps monitor electricity usage across different home energy configurations.

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Our Best Overall Choice

Best Choice

9.7

Refoss

Refoss Smart Home Energy Monitor Real-Time Electricity Usage Monitor with 16x60A Circuit Sensor, Energy Meter, Local Data Storage with Open API & Web UI, Home Assistant, Solar Metering, ETL Certified

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Comprehensive Home Energy Monitoring: Monitor your homes real-time electricity usage with 2 main circuit sensors (up to 200A each) and 16 branch circuit sensors (up to 60A each). The easy clamp-on design supports single-phase 2-wire, split-phase 3-wire, and three-phase 4-wire Wye (TN or TT) systems (excluding Delta), making this home energy monitor ideal for smart energy management.
Local Control & Privacy: Access your electricity usage through Web UI, Open API, and MQTT protocols without relying on the cloud. Integrate seamlessly with Home Assistant or other smart home platforms for local control. Local data storage ensures your energy data remains private while still supporting advanced home energy management and automation, allowing you to freely set automation rules and control every kWh of electricity usage.
Smart Automation & Solar Zero Feed-In: Native Home Assistant integration and Refoss App automation allow you to automate, manage, and control your homes real power. Surplus solar and net metering energy can be directed to medium-power appliances like heat pumps, dishwashers, and microwaves, while time-of-use and peak demand energy management ensures maximum solar self-consumption, prevents low-value grid feed-in, and reduces utility bills.
Advanced Data Analytics & Smart Alerts: The EM16P smart power meter records minute, hourly, daily, weekly, monthly, and yearly energy usage, with daily data securely stored in the cloud for up to 5 years and fully exportable without any subscription. Receive smart alerts when appliances exceed normal consumption or peak usage, such as if a fridge or washing machine consumes unusually high energy, allowing you to promptly check or adjust usage habits. Detailed reporting helps households identify waste, optimize energy efficiency, and save 10%-20% on electricity costs.
Real-Time Electricity Data: Provides 24/7 monitoring of voltage, current, active power, and power factor with ±1% accuracy (200A: 2200A; 60A: 160A) and ±2% at low current. Track energy usage of kitchen ovens, water heaters, dryers, central AC, and EV chargers. Optimize energy consumption, save costs, and manage your home efficiently with this smart home energy meter.
ETL Certified & Reliable Performance: ETL certified and compliant with UL 61010 safety standards for safe installation and reliable operation. Built with high-quality clamp-on CTs and backed by a 2-year warranty with customer support, its a dependable power consumption meter for long-term energy management.

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