Plug-in energy meters make it easier to see how much electricity individual appliances use, helping you identify waste and estimate running costs without rewiring your home.
We selected 10 options ranging from simple LCD watt meters to app-connected smart plugs, with attention to measurement features, usability, compatibility, and everyday value.
Best 10 Plug in Energy Meters Picks for 2026
Best Smart Plug Energy Meter
- App, voice, and remote appliance control
- Overheating protection and sliding safety cover
- UL certified with a 2-year warranty
Best For: Smart-home users wanting convenient appliance control
Best Detailed Plug In Energy Meter
- Measures watts, volts, amps, kWh, and cost
- 90–250V and up to 3680W capacity
- Stores data for up to 90 days
Best For: Detailed appliance monitoring and cost tracking
Best Long-Range Plug In Energy Meter
YoLink YS6614 Smart Energy Plug
- Real-time and exportable energy monitoring
- Cycle schedules for recurring appliance use
- Up to 15A with overload protection
Best For: Long-range smart automation and usage analysis
Best Display Plug In Energy Meter
- Seven modes for power and cost readings
- Large backlit display with wide viewing angles
- Adjustable overload protection and data memory
Best For: Manual appliance testing with an easy-to-read screen
Best Smart Plug-in Energy Meter
- Matter and Thread smart-home connectivity
- App, voice, remote, and presence-based control
- Local operation without Eve cloud tracking
Best For: Privacy-focused smart homes with a compatible hub
Best Standalone Plug-in Energy Meter
- Nine readings including watts, kWh, amps, and cost
- Wide-angle backlit LCD display
- Stores data after a power outage
Best For: Detailed manual testing of individual appliances
Best Multi-Pack Plug-in Energy Meter
- Four energy-monitoring plugs in one pack
- Scheduling, app, remote, and voice control
- Tracks usage across multiple 120V appliances
Best For: Monitoring and automating several household devices
Best Dual-Outlet Monitor
Briidea Electricity Usage Monitor
- Monitors two appliances independently
- Tracks watts, volts, amps, kWh, and more
- Retains key readings after power loss
Best For: Comparing the energy use of two appliances at once
Best Feature-Rich Meter
KETOTEK Watt Meter Power Meter
- Shows detailed electrical and cost data
- Offers overload, kWh, and cost alarms
- Stores readings through power failures
Best For: Tracking appliance consumption and estimated electricity costs
Best Two-Pack
- Includes two matching energy meters
- Displays nine useful electrical parameters
- Uses a wide-angle backlit LCD
Best For: Monitoring appliances in multiple locations
Best Smart Plug Energy Meter – Kasa KP115 Smart Plug
The Kasa KP115 is a practical choice if you want plug in energy meters combined with remote appliance control. Its Wi-Fi connection lets you switch devices on or off through the Kasa app, while Alexa and Google Assistant compatibility adds voice control.
Best For: Smart-home users who want basic energy-aware appliance control and remote access.
Pros:
- Works with Alexa, Google Assistant, IFTTT, and the Kasa app.
- Supports remote control from anywhere with an internet connection.
- Includes overheating protection, a fireproof shell, and a sliding safety cover.
- UL certified and backed by a 2-year warranty.
Cons:
- Requires a 2.4GHz Wi-Fi connection.
- Its compact 15A design is intended for individual appliances rather than whole-home monitoring.
The KP115 stands out as a convenient smart outlet with safety features and broad voice-assistant support. Choose it when remote switching and smart-home integration matter more than a dedicated display or detailed meter readouts.
Best Detailed Plug In Energy Meter – SURAIELEC WMA02A Watt Meter
The SURAIELEC WMA02A is a dedicated plug in energy meter for checking appliance consumption at the outlet. It measures watts, volts, amps, frequency, power factor, time, and cumulative kWh, while its cost calculator helps translate usage into estimated electricity expenses.
Best For: Shoppers who want detailed readings, cost calculations, and stored usage data from a standalone meter.
Pros:
- Measures power, voltage, current, frequency, power factor, time, and energy.
- Supports 90–250V, up to 16A, and up to 3680W.
- Backlit LCD is designed for easy viewing in darker environments.
- Rechargeable battery backup preserves data for up to 90 days during outages or unplugging.
Cons:
- It is a manual meter rather than a Wi-Fi-connected smart plug.
- Cost tracking depends on entering appropriate electricity-price settings.
With its broad measurement range, adjustable overload indication, and long-term memory, the WMA02A is well suited to appliance testing and ongoing usage checks. Its compact design can also leave the lower wall outlet accessible.
Best Long-Range Plug In Energy Meter – YoLink YS6614 Smart Energy Plug
The YoLink YS6614 combines plug in energy meters with scheduling and long-range smart-home connectivity. It reports live and historical usage in the YoLink app, supports exportable energy reports, and offers cycle scheduling for appliances such as fans, pumps, and dehumidifiers.
Best For: Users managing higher-load appliances who want detailed schedules, app monitoring, and long-range connectivity.
Pros:
- Supports up to 15A and 1800W for compatible household appliances.
- Provides real-time monitoring and exportable historical energy data.
- Cycle scheduling allows repeat intervals and set durations.
- LoRa connectivity offers up to 2,034 feet of open-air range.
Cons:
- A YoLink Hub is required for energy monitoring, remote access, and full automation.
- It uses the YoLink ecosystem rather than direct Wi-Fi setup.
The YS6614 is the strongest fit for users who need recurring appliance routines and historical energy analysis. Its overload protection and device-to-device communication add flexibility, but the separate hub increases the overall setup cost.
Best Display Plug In Energy Meter – PM01-US Digital Watt Meter
The PM01-US is a straightforward plug in energy meter for reading appliance consumption directly from a large backlit screen. It displays watts, kWh, volts, amps, hertz, power factor, cost, minimum and maximum power, and cumulative time across seven monitoring modes.
Best For: Users who prefer a readable local display with overload alerts and saved measurement data.
Pros:
- Seven display modes cover common electrical and cost measurements.
- Large 2.36-by-1.85-inch LCD offers wide viewing angles and adjustable backlight timing.
- Overload protection can be adjusted from 0 to 3680W.
- Data memory saves readings after unplugging or a sudden power failure.
Cons:
- It is a corded, local-readout meter without app or remote control features.
- The product notes recommend setting the overload level to 1800W before use.
The PM01-US makes energy checks easy to perform at the outlet, especially when a large screen and flexible backlight are priorities. It is a good fit for comparing appliance consumption manually without adding a smart-home hub or account.
Best Smart Plug-in Energy Meter – Matter Smart Outlet
The Eve Energy Outlet combines plug-in energy monitoring with smart-home control, making it a strong choice when you want to check usage while managing connected appliances or lights. Matter and Thread support help it work across major smart-home platforms, though a compatible hub is required.
Best For: Smart-home users who want local, privacy-focused control and energy monitoring through a compatible platform.
Pros:
- Matter-enabled for compatibility across major smartphone and voice-assistant platforms.
- Uses Thread technology to support a robust smart-home network.
- Offers app and voice control, including remote or presence-based automation.
- Provides local communication without Eve cloud registration, tracking, or dependency.
Cons:
- Requires a compatible hub, such as an Apple TV, HomePod, SmartThings Hub, Echo, or supported Google Home device.
- More involved to set up than a basic standalone plug-in meter.
This is a useful pick if energy monitoring is part of a broader smart-home setup. Its 15-amp, 1,800-watt rating suits many household loads, while Matter, Thread, and privacy-focused local operation add flexibility for supported ecosystems.
Best Standalone Plug-in Energy Meter – Backlit Watt Meter
For straightforward electrical testing, this plug-in energy meter displays nine useful readings without requiring an app or smart-home hub. Its backlit LCD shows voltage, current, wattage, energy consumption, usage time, frequency, power factor, apparent power, and electricity cost.
Best For: Homeowners who want detailed, readable energy measurements for individual plugged-in devices.
Pros:
- Displays nine data types, including watts, kilowatt-hours, voltage, amps, and estimated electricity cost.
- Backlit LCD offers a 160-degree viewing angle for easier day-or-night reading.
- Stores non-real-time data through a sudden power outage.
- Supports loads up to 15 amps and 1,875 watts, with ETL certification.
Cons:
- Provides basic push-button operation rather than app or voice control.
- The backlight turns off automatically after 15 seconds.
This meter is the practical choice for measuring one appliance at a time and identifying energy costs or standby consumption. It is less suited to remote automation, but its broad readout options and stored data make it convenient for hands-on household testing.
Best Multi-Pack Plug-in Energy Meter – Emporia Smart Plugs
This four-pack of Emporia smart plugs is a convenient way to add plug-in energy monitoring and scheduling to several appliances at once. The mobile app provides real-time status and remote control, while Alexa and Google Home support adds voice operation over a 2.4GHz Wi-Fi connection.
Best For: Households that want to monitor and automate multiple 120-volt devices with one app.
Pros:
- Includes four energy-monitoring smart plugs for multiple devices.
- Tracks appliance energy use and helps identify wasteful standby power.
- Supports schedules, remote app control, and Alexa or Google Assistant voice control.
- Works with lights, fans, lamps, humidifiers, and other compatible 120-volt devices.
Cons:
- Requires 2.4GHz Wi-Fi; 5GHz networks are not supported.
- Rated for a 10-amp continuous load, with 15 amps allowed only as a peak load for up to one hour per day.
- Remote control requires an internet-connected phone and Wi-Fi connection.
Choose this pack when coverage and automation matter more than standalone operation. The four-plug bundle makes it easier to monitor several devices, but check each appliance’s load and confirm that your network supports 2.4GHz Wi-Fi before buying.
Best Dual-Outlet Monitor – Briidea Electricity Usage Monitor
If you want to compare two appliances at once, this Briidea monitor is one of the more versatile plug in energy meters. Its dual-outlet design lets you monitor two connected devices independently while tracking wattage, voltage, amperage, frequency, kilowatt-hours, cumulative time, and power factor.
Best For: Households that want to monitor two appliances simultaneously, such as a refrigerator and water purifier.
Pros:
- Two outlets support independent monitoring of two devices.
- Measures multiple electrical and energy-use readings.
- Retains CT and EC-KWH data after a power failure.
- Includes a 1200W warning and flame-retardant ABS housing.
Cons:
- The overload warning is set around 1200W, so higher-power appliances require particular attention.
- Its corded design may take more space than a simple plug-in socket meter.
The Briidea stands out when simultaneous, independent monitoring matters more than a compact form. Its memory feature and broad measurement range also make it useful for longer-term appliance comparisons.
Best Feature-Rich Meter – KETOTEK Watt Meter Power Meter
The KETOTEK is a practical choice among plug in energy meters for shoppers who want detailed readings and cost estimates. Its button-based interface provides quick access to power, voltage, current, frequency, power factor, kilowatt-hours, accumulated time, and estimated electricity cost.
Best For: Users who want appliance-level energy data, electricity-cost calculations, and configurable warnings.
Pros:
- Displays a wide range of electrical measurements through five buttons.
- Calculates electricity cost when the appliance draws more than 2 watts.
- Provides overload, kWh, and cost alarms with adjustable overload settings.
- Stores measurement data during a power failure and offers a reset function.
Cons:
- The manufacturer recommends setting the overload limit to 1800W before use.
- Cost calculations depend on the electricity-rate settings and appliance draw.
Choose this model if configurable alerts and detailed cost tracking are priorities. The wide-view LCD is especially helpful when the outlet is positioned where a straight-on reading is inconvenient.
Best Two-Pack – HBN Backlit Watt Meter Plug
This HBN two-pack is a convenient option if you need plug in energy meters in more than one room. Each unit has a backlit LCD with a 160-degree viewing angle and displays nine measurements, including wattage, voltage, current, kWh, usage time, frequency, power factor, apparent power, and electricity cost.
Best For: Monitoring multiple household appliances or outlets with two matching meters.
Pros:
- Includes two watt meters for monitoring separate appliances.
- Backlit display supports easier reading in low light and from wide angles.
- Tracks nine electrical and energy-use parameters.
- Stores data after a power outage and automatically turns off the backlight after 15 seconds.
Cons:
- Maximum capacity is 15A and 1875W, limiting use with higher-demand loads.
- The backlight is temporary and switches off after inactivity.
The HBN offers strong value for buyers who need two meters rather than one. Its broad display modes and cost readout make it suitable for routine appliance comparisons, while the 125VAC rating fits typical household use.
How We Picked the Best Plug in Energy Meters
We focused on meters that connect directly between a wall outlet and an appliance, then compared the information they provide and how easily that information can be used. The selection includes straightforward display-based testers as well as Wi-Fi, Matter, and other smart-home options.
Our main considerations were measurement range, supported electrical readings, display clarity, app functionality, scheduling features, smart-home compatibility, outlet design, and the availability of useful cost or cumulative-energy calculations. We also looked for products suited to different levels of technical experience and household monitoring needs.
Quick Comparison
- Best for simple checks: Basic LCD watt meters are useful for checking watts, volts, amps, frequency, and accumulated kilowatt-hours at the outlet.
- Best for remote monitoring: Smart plugs with energy tracking let you view usage through a mobile app and may add timers, schedules, or alerts.
- Best for smart-home users: Matter- and platform-compatible models can fit into existing Alexa, Google Home, Apple Home, or other supported ecosystems.
- Best for broader testing: Advanced analyzers may provide multiple outlets or a wider set of electrical measurements for more detailed troubleshooting.
Key Buying Factors for Plug-In Energy Meters
Measurements and Accuracy
Check whether the meter reports the readings you actually need. Wattage and cumulative kilowatt-hours are useful for estimating appliance costs, while voltage, amperage, power factor, and frequency can help with deeper electrical analysis. If accuracy is important, review the manufacturer’s stated limits and measurement resolution rather than assuming every meter performs the same way.
Display or App Access
A built-in LCD is convenient for quick, local readings and does not require Wi-Fi. App-connected models are better when you want historical charts, remote access, usage alerts, or cost estimates. Smart features can also introduce setup, account, and network requirements.
Load Rating and Outlet Design
Confirm the meter’s maximum amperage and voltage before connecting high-draw appliances. The plug, socket orientation, backlight, button layout, and physical size also matter when the device sits behind furniture or in a crowded power strip. Do not exceed the stated rating or use a meter in an unsuitable environment.
Compatibility and Privacy
For smart models, verify compatibility with your preferred platform and wireless network. Matter support can simplify cross-platform use, while proprietary systems may offer deeper app features. Consider whether cloud access, an account, or internet connectivity is required for the functions you want.
Who Should Buy Which Plug in Energy Meters?
Choose a basic display meter if you want an inexpensive way to test appliances occasionally or compare standby consumption. Pick a Wi-Fi smart plug if you want remote readings, schedules, notifications, or ongoing history in an app. A Matter-compatible option is a strong fit for households already building a flexible smart-home setup.
For renters, hobbyists, and energy-conscious households, plug-in energy meters offer a practical way to measure individual devices without hiring an electrician. If you need whole-home monitoring, permanent circuit-level measurements, or professional diagnostics, these outlet-based products may not be sufficient; consider a dedicated energy-monitoring system instead.









