Updated:May, 2026

10 Best Device To Monitor Electricity Usage of 2026

Best Choice

9.9

Outstanding

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

Why We Love It

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.

Check Price

Why We Love It

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.

How We Find the Top Picks

We use smart data tools to review thousands of products and stores, analyzing ratings, reviews, and popularity trends to highlight what truly matters to shoppers like you.

Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Refoss

Refoss Smart Home Energy Monitor, Native Open API & Web UI (No Cloud Required), Real Time Electricity Usage Monitor, Power Consumption Meter Works with Home Assistant & MQTT, Solar Net Metering, ETL

Main Highlights

LOCAL CONTROL & DATA PRIVACY: Access your home energy monitor data locally via Built-in Web UI, Open API, and MQTT without relying on cloud services. Unlike cloud-dependent monitors, Refoss ensures your data stays within your home network. Direct local access protects your privacy while giving you 100% full control of your home energy system even during internet outages.
NATIVE HOME ASSISTANT & OPENCLAW AI: Experience seamless Native Home Assistant integration right out of the boxno firmware flashing or complex coding required. Featuring NEW OpenClaw Support, it enables AI-driven automation for smarter, real-time energy management and seamless smart home control.
MAXIMIZE SOLAR & ZERO FEED-IN AUTOMATION: Designed for solar homes, the power monitor works with the Refoss app and Home Assistant to automatically use surplus solar power. Appliances like EV chargers, washing machines, and water heaters are powered during midday peaks, maximizing solar self-consumption and reducing low-value electricity feed-in to the grid. Optimizes usage and reduces bills.
REAL-TIME MONITORING & ±1% ACCURACY: Monitor voltage, current, active power, and power factor of major appliances. Provides ±1% accuracy (200A: 2200A; 60A: 160A) and ±2% at low current. Daily data stored up to 5 years and exportable. With no subscriptions or hidden fees, you get deep historical insights to help you identify every energy-saving opportunity and save 1020% on monthly bills.
SMART ALERTS & CIRCUIT-LEVEL CONTROL: Set usage targets for each individual circuit and receive instant alerts when appliances exceed normal consumption. Refoss app supports automation and peak management to optimize schedules, reduce peaks, and improve efficiency. Real-time electricity usage monitor for circuit-level insights.
ETL CERTIFIED & NON-INVASIVE INSTALLATION: ETL certified and compliant with UL 61010 safety standards for safe installation and operation. Supports 2 main circuit sensors (2200A each) and 16 branch sensors (160A each) with easy clamp-on installation. Fits most home circuit panels and includes a 2-year warranty with responsive support for reliable long-term monitoring.

Check Price

Main Highlights

LOCAL CONTROL & DATA PRIVACY: Access your home energy monitor data locally via Built-in Web UI, Open API, and MQTT without relying on cloud services. Unlike cloud-dependent monitors, Refoss ensures your data stays within your home network. Direct local access protects your privacy while giving you 100% full control of your home energy system even during internet outages.
NATIVE HOME ASSISTANT & OPENCLAW AI: Experience seamless Native Home Assistant integration right out of the boxno firmware flashing or complex coding required. Featuring NEW OpenClaw Support, it enables AI-driven automation for smarter, real-time energy management and seamless smart home control.
MAXIMIZE SOLAR & ZERO FEED-IN AUTOMATION: Designed for solar homes, the power monitor works with the Refoss app and Home Assistant to automatically use surplus solar power. Appliances like EV chargers, washing machines, and water heaters are powered during midday peaks, maximizing solar self-consumption and reducing low-value electricity feed-in to the grid. Optimizes usage and reduces bills.
REAL-TIME MONITORING & ±1% ACCURACY: Monitor voltage, current, active power, and power factor of major appliances. Provides ±1% accuracy (200A: 2200A; 60A: 160A) and ±2% at low current. Daily data stored up to 5 years and exportable. With no subscriptions or hidden fees, you get deep historical insights to help you identify every energy-saving opportunity and save 1020% on monthly bills.
SMART ALERTS & CIRCUIT-LEVEL CONTROL: Set usage targets for each individual circuit and receive instant alerts when appliances exceed normal consumption. Refoss app supports automation and peak management to optimize schedules, reduce peaks, and improve efficiency. Real-time electricity usage monitor for circuit-level insights.
ETL CERTIFIED & NON-INVASIVE INSTALLATION: ETL certified and compliant with UL 61010 safety standards for safe installation and operation. Supports 2 main circuit sensors (2200A each) and 16 branch sensors (160A each) with easy clamp-on installation. Fits most home circuit panels and includes a 2-year warranty with responsive support for reliable long-term monitoring.

9.5

Excellent

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

Main Highlights

AUDIT EVERY CENT & SLASH ELECTRIC BILLS: Stop the guesswork and start saving. By monitoring 18 individual circuits with professional ±1% precision, Refoss Home Energy Monitor shows exactly where your money goes. Identifying energy vampiresfrom HVACs to aging appliancesin real-time helps households effectively reduce monthly utility bills by 10%-20%. This smart power meter is the ultimate tool for electricity consumption audits.
LOCAL PRIVACY & MULTI-PLATFORM CONTROL: Your home energy data belongs to you, not a cloud server. Featuring a built-in Local Web UI, Open API, and MQTT, and WebSocket, Refoss ensures 100% data privacy even without internet. Seamlessly integrate with Home Assistant (via Refoss_RPC) to manage every kWh without cloud reliance or subscription fees. Ideal for a secure electricity monitor with professional local control.
SMART AUTOMATION & SOLAR ROI OPTIMIZATION: Turn your solar panels into a high-yield investment. 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.
5-YEAR DATA ANALYTICS & SMART FAULT ALERTS: Catch appliance failures early before they become expensive repairs. Refoss records minute/hourly/daily/weekly/monthly/yearly usage, with daily data securely stored for 5 years and fully exportable via CSV without any subscription. Receive smart alerts if a fridge or washer consumes unusually high energy, helping you optimize home power usage habits and prevent bill spikes.
STABLE SIGNAL, EASY SETUP & PRO SPECS: This system supports Single-phase, Split-phase, and 3-phase 4-wire Wye systems, featuring 2 main sensors (up to 200A) and 16 branch sensors (up to 60A). ETL certified with a 2-year warranty, it includes an external high-gain antenna for enhanced Wi-Fi stability. Most importantly: if a sensor is installed backward, simply flip the reading in the App with one tapno need to rewire or reopen the live breaker box.

Check Price

Main Highlights

AUDIT EVERY CENT & SLASH ELECTRIC BILLS: Stop the guesswork and start saving. By monitoring 18 individual circuits with professional ±1% precision, Refoss Home Energy Monitor shows exactly where your money goes. Identifying energy vampiresfrom HVACs to aging appliancesin real-time helps households effectively reduce monthly utility bills by 10%-20%. This smart power meter is the ultimate tool for electricity consumption audits.
LOCAL PRIVACY & MULTI-PLATFORM CONTROL: Your home energy data belongs to you, not a cloud server. Featuring a built-in Local Web UI, Open API, and MQTT, and WebSocket, Refoss ensures 100% data privacy even without internet. Seamlessly integrate with Home Assistant (via Refoss_RPC) to manage every kWh without cloud reliance or subscription fees. Ideal for a secure electricity monitor with professional local control.
SMART AUTOMATION & SOLAR ROI OPTIMIZATION: Turn your solar panels into a high-yield investment. 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.
5-YEAR DATA ANALYTICS & SMART FAULT ALERTS: Catch appliance failures early before they become expensive repairs. Refoss records minute/hourly/daily/weekly/monthly/yearly usage, with daily data securely stored for 5 years and fully exportable via CSV without any subscription. Receive smart alerts if a fridge or washer consumes unusually high energy, helping you optimize home power usage habits and prevent bill spikes.
STABLE SIGNAL, EASY SETUP & PRO SPECS: This system supports Single-phase, Split-phase, and 3-phase 4-wire Wye systems, featuring 2 main sensors (up to 200A) and 16 branch sensors (up to 60A). ETL certified with a 2-year warranty, it includes an external high-gain antenna for enhanced Wi-Fi stability. Most importantly: if a sensor is installed backward, simply flip the reading in the App with one tapno need to rewire or reopen the live breaker box.

9.2

Excellent

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

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.

Check Price

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.

9.0

Excellent

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

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.

Check Price

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.

8.8

Very Good

MECHEER

Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display

Main Highlights

Various Monitoring Parameters: The power meter plug can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost, minimum and maximum power (W), cumulative days and time of your appliances. By switching 7 display modes, you can easily know the various parameters while the appliance is working. The home energy monitor can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time
Upgraded LCD display: With large screen size 2.36 inch x 1.85 inch, clearer monitor backlit, our electrical usage monitor can display the data clearer and more visible no matter day or night. 180°full wide viewing angles is great for reading and recording the data in any angles. No need to stand on the front of the display and bend over to read the numbers
Adjustable Backlight Time: Our upgraded watt meter has 5 options of backlight time. The default backlight time duration is 10 minutes(bL-0). If you want to change the backlight time, you can press and hold "UP" and "DOWN" button at the same time to enter backlight time setting, then press "UP" and "DOWN" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=always on), finally press the "COST" to save the backlight time settings
Overload protection: When the power of the appliance exceeds the overload power, the LCD will display OVERLOAD to warn the user. All the buttons will quit working and can only be workable when you lower or remove the load power. The default overload power is 3680W and is adjustable from 0 to 3680W. In general, you need to set the overload power to 1800W before using. Just press the "function" button for more than 3 seconds to enter the setting
Data Memory Function: The wattage meter will record your power consumption data when you remove it from socket, or remove appliances from the electricity monitor. You can directly see the last data when you use it next time. This function can also automatically save the data when there is a sudden power failure
Monitor Your Energy UsageOur watt meter power analyzer lets you track electricity consumption and manage power usage to help save on bills. It works as a voltage, kilowatt, current, and electricity meter. If you have any questions about your meter socket, feel free to contact us

Check Price

Main Highlights

Various Monitoring Parameters: The power meter plug can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost, minimum and maximum power (W), cumulative days and time of your appliances. By switching 7 display modes, you can easily know the various parameters while the appliance is working. The home energy monitor can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time
Upgraded LCD display: With large screen size 2.36 inch x 1.85 inch, clearer monitor backlit, our electrical usage monitor can display the data clearer and more visible no matter day or night. 180°full wide viewing angles is great for reading and recording the data in any angles. No need to stand on the front of the display and bend over to read the numbers
Adjustable Backlight Time: Our upgraded watt meter has 5 options of backlight time. The default backlight time duration is 10 minutes(bL-0). If you want to change the backlight time, you can press and hold "UP" and "DOWN" button at the same time to enter backlight time setting, then press "UP" and "DOWN" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=always on), finally press the "COST" to save the backlight time settings
Overload protection: When the power of the appliance exceeds the overload power, the LCD will display OVERLOAD to warn the user. All the buttons will quit working and can only be workable when you lower or remove the load power. The default overload power is 3680W and is adjustable from 0 to 3680W. In general, you need to set the overload power to 1800W before using. Just press the "function" button for more than 3 seconds to enter the setting
Data Memory Function: The wattage meter will record your power consumption data when you remove it from socket, or remove appliances from the electricity monitor. You can directly see the last data when you use it next time. This function can also automatically save the data when there is a sudden power failure
Monitor Your Energy UsageOur watt meter power analyzer lets you track electricity consumption and manage power usage to help save on bills. It works as a voltage, kilowatt, current, and electricity meter. If you have any questions about your meter socket, feel free to contact us

8.6

Very Good

MECHEER

Upgraded Watt Meter Power Meter Plug Home Energy Monitor Electricity Usage Monitor, Electrical Usage Monitor, Energy Voltage Amps Meter Tester with Backlight, Overload Protection, 8 Display Modes

Main Highlights

Multi-function power monitor: Our electric usage monitor can monitor the power (W), electricity(kWh), voltage(V), frequency(Hz), current(A), power factor(PF), unit price($/kWh), total cost($) of your appliances. By switching 8 display modes, you can easily know the various parameters while the appliance is working. The electricity mode can calculate and display how much power your appliance uses. And the total cost mode will show how much electricity bill it cost in cumulative time
Overload protection: When the loading power of the appliance is over the default overload threshold 1800W, the whole display with backlight and the word OVERLOAD will keep flashing to warn the users. Please turn off the appliance for safety concern
Premium Material: The whole body of our energy meter is made of high-quality ABS material. It makes our home electricity usage monitor more long lasting, fireproof and anti-drop. The standard US socket and plug is suitable for all US standard appliances
Backlight Display: With white backlight and black words, the LCD display of our home power monitor can display the data clearer and help you to read the data easier no matter day or night. The backlight will only lights up when the device is connected to AC power. If no button is pressed, the backlight turns off automatically after 10 minutes. You can also press the "UP" button to turn off the backlight manually, and press any button to turn on backlight again
Easy to reset: No reset tool needed, our appliance power usage meter is easy to reset. You can press the M button for 5 seconds directly to reset the device. After reset, all cumulative data (electricity quantity, cost) will be cleared, and all settings will be restored to factory settings
Data Memory Function: The watt meter plug in will record your power consumption data when you remove it from socket, or remove appliances from the electricity monitor. All setting data and cumulative data(electricity quantity, cost, unit price) will be saved. You can directly see the last data when you use it next time(NOT including current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure

Check Price

Main Highlights

Multi-function power monitor: Our electric usage monitor can monitor the power (W), electricity(kWh), voltage(V), frequency(Hz), current(A), power factor(PF), unit price($/kWh), total cost($) of your appliances. By switching 8 display modes, you can easily know the various parameters while the appliance is working. The electricity mode can calculate and display how much power your appliance uses. And the total cost mode will show how much electricity bill it cost in cumulative time
Overload protection: When the loading power of the appliance is over the default overload threshold 1800W, the whole display with backlight and the word OVERLOAD will keep flashing to warn the users. Please turn off the appliance for safety concern
Premium Material: The whole body of our energy meter is made of high-quality ABS material. It makes our home electricity usage monitor more long lasting, fireproof and anti-drop. The standard US socket and plug is suitable for all US standard appliances
Backlight Display: With white backlight and black words, the LCD display of our home power monitor can display the data clearer and help you to read the data easier no matter day or night. The backlight will only lights up when the device is connected to AC power. If no button is pressed, the backlight turns off automatically after 10 minutes. You can also press the "UP" button to turn off the backlight manually, and press any button to turn on backlight again
Easy to reset: No reset tool needed, our appliance power usage meter is easy to reset. You can press the M button for 5 seconds directly to reset the device. After reset, all cumulative data (electricity quantity, cost) will be cleared, and all settings will be restored to factory settings
Data Memory Function: The watt meter plug in will record your power consumption data when you remove it from socket, or remove appliances from the electricity monitor. All setting data and cumulative data(electricity quantity, cost, unit price) will be saved. You can directly see the last data when you use it next time(NOT including current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure

8.3

Very Good

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

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.

Check Price

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.

8.1

Very Good

MECHEER

2 Pack Upgraded Watt Meter, Power Meter Plug Electricity Usage Monitor, Home Energy Monitor Consumption, Meter Sockets with Backlight, Overload Protection, 8 Modes Display

Main Highlights

Various Monitoring Parameters: The power meter plug can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost,minimum and maximum power (W), cumulative days and time of your appliances. By switching 8 display modes, you can easily know the various parameters while the appliance is working. The wattage meter can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time
Premium Material: The whole body of our power monitor is made of high-quality PC material. It makes our home power consumption monitor more long lasting, heat resistant and fall resistant. The standard US socket and plug is suitable for all US standard appliances
Overload Protection: When the power of the appliance exceeds the overload power, the word "OVERLOAD" and the LCD display will keep flashing, the buzzer will keep making a bi sound to warn the users. All the buttons will quit working and can only work again when the overload alarm has been cleared by raising the setting value or removing the appliance. The default overload power is 3680W and is adjustable from 0 to 3680W. In general, you need to set the overload power to 1800W before using. Just press the "MODE" button for more than 3 seconds to enter the setting
KWH Alarm: Our power monitor plug has a upgraded power consumption alarm function. You can set the alarm power consumption for the appliances you monitored. Once the accumulated power consumption reaches the set alarm power consumption, the word "kwh alarm" will be displayed and keep flashing, the LCD will also keep flashing, and the buzzer will keep making a bi sound all the time to warn the users
Data Memory Function: The watt meter plug in will record your power consumption data when you remove energy meter from socket, or remove appliances from the electricity monitor. All setting data and cumulative data(electricity quantity, cost, unit price, time) will be saved. You can directly see the last data when you use the electric usage meter plug next time(NOT including current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure
Backlight Display: With white backlight and black words, the LCD display of our wattage meter plug in can display the data clearer and help you to read the data easier no matter day or night. The backlight will only lights up when the device is connected to AC power. If no button is pressed, the backlight turns off automatically after 10 minutes. You can also press the "DOWN" button to turn on and off the backlight manually
Adjustable Backlight Time: Our power usage meter also has 5 options of backlight time. The default backlight time duration is 10 minutes(bL-0). If you want to change the backlight time, you can press and hold "UP" and "DOWN" button at the same time to enter backlight time setting, then press "UP" and "DOWN" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=normally on), finally press the "SET" to save the backlight time settings
Monitor Your Energy Usage: Our watt meter power analyzer is perfect for monitoring the electricity usage of your home appliances, controlling your power consumption, and saving your money. Your best choice for voltage meter, kilowatt meter, current meter and electricity meter

Check Price

Main Highlights

Various Monitoring Parameters: The power meter plug can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost,minimum and maximum power (W), cumulative days and time of your appliances. By switching 8 display modes, you can easily know the various parameters while the appliance is working. The wattage meter can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time
Premium Material: The whole body of our power monitor is made of high-quality PC material. It makes our home power consumption monitor more long lasting, heat resistant and fall resistant. The standard US socket and plug is suitable for all US standard appliances
Overload Protection: When the power of the appliance exceeds the overload power, the word "OVERLOAD" and the LCD display will keep flashing, the buzzer will keep making a bi sound to warn the users. All the buttons will quit working and can only work again when the overload alarm has been cleared by raising the setting value or removing the appliance. The default overload power is 3680W and is adjustable from 0 to 3680W. In general, you need to set the overload power to 1800W before using. Just press the "MODE" button for more than 3 seconds to enter the setting
KWH Alarm: Our power monitor plug has a upgraded power consumption alarm function. You can set the alarm power consumption for the appliances you monitored. Once the accumulated power consumption reaches the set alarm power consumption, the word "kwh alarm" will be displayed and keep flashing, the LCD will also keep flashing, and the buzzer will keep making a bi sound all the time to warn the users
Data Memory Function: The watt meter plug in will record your power consumption data when you remove energy meter from socket, or remove appliances from the electricity monitor. All setting data and cumulative data(electricity quantity, cost, unit price, time) will be saved. You can directly see the last data when you use the electric usage meter plug next time(NOT including current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure
Backlight Display: With white backlight and black words, the LCD display of our wattage meter plug in can display the data clearer and help you to read the data easier no matter day or night. The backlight will only lights up when the device is connected to AC power. If no button is pressed, the backlight turns off automatically after 10 minutes. You can also press the "DOWN" button to turn on and off the backlight manually
Adjustable Backlight Time: Our power usage meter also has 5 options of backlight time. The default backlight time duration is 10 minutes(bL-0). If you want to change the backlight time, you can press and hold "UP" and "DOWN" button at the same time to enter backlight time setting, then press "UP" and "DOWN" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=normally on), finally press the "SET" to save the backlight time settings
Monitor Your Energy Usage: Our watt meter power analyzer is perfect for monitoring the electricity usage of your home appliances, controlling your power consumption, and saving your money. Your best choice for voltage meter, kilowatt meter, current meter and electricity meter

8.1

Very Good

EMPORIA

Emporia Energy Monitoring Smart Plug, WiFi Smart Outlet Plug Works with Alexa and Google Home - 15a WiFi Outlet with Timer, Mobile App, Home Energy Monitor, Scheduling - 2.4ghz WiFi Only (4 Pack)

Main Highlights

Control Your Appliances and Devices: Control lights, fans, lamps, humidifiers, and any other appliances or electronics that plug into 120V outlets with a 10A Maximum Continuous Load (15A Max Peak Load for up to 1hr/day)
Monitor Your Home Energy Like a Pro: Emporia smart plugs let you stay on top of energy used by your devices and appliances. Eliminate wasteful stand-by power, save on electricity, and extend product life.
Smart Scheduling for Maximum Control: With built in on/off scheduling capability, use your smart plugs to automatically switch on and off appliances and devices. Want freshly brewed coffee at 7am? Just schedule it with an Emporia plug!
Remote Control. Anytime, Anywhere. Control your home remotely using the Emporia App on your phone. Leave the lights on? Forget to turn off an appliance? Check the real-time status and toggle it on or off anytime, anywhere!
Requires 2.4GHz Wifi Connection to control your devices remotely from your phone with an internet connection. 5.0 GHz Wifi networks are not supported.

Check Price

Main Highlights

Control Your Appliances and Devices: Control lights, fans, lamps, humidifiers, and any other appliances or electronics that plug into 120V outlets with a 10A Maximum Continuous Load (15A Max Peak Load for up to 1hr/day)
Monitor Your Home Energy Like a Pro: Emporia smart plugs let you stay on top of energy used by your devices and appliances. Eliminate wasteful stand-by power, save on electricity, and extend product life.
Smart Scheduling for Maximum Control: With built in on/off scheduling capability, use your smart plugs to automatically switch on and off appliances and devices. Want freshly brewed coffee at 7am? Just schedule it with an Emporia plug!
Remote Control. Anytime, Anywhere. Control your home remotely using the Emporia App on your phone. Leave the lights on? Forget to turn off an appliance? Check the real-time status and toggle it on or off anytime, anywhere!
Requires 2.4GHz Wifi Connection to control your devices remotely from your phone with an internet connection. 5.0 GHz Wifi networks are not supported.

Discover top deals and categories on Amazon Check Deals