10 Best Energy Monitors in The UK

Last updated on 06/08/2025

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Emporia Vue 3 3-Phase Smart Energy Monitor – Real-Time Electricity Usage Monitor and Power Meter for Business or Home, Solar and Net Metering Compatible, Smart Automation Ready with 16 circuit sensors

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Why We Love It

Efficient energy management anytime.
Lower your electric bill.
Real-time energy data monitoring.

Main Highlights

Installs in circuit panel of most small businesses 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 and monitor your business' real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Supports 3-phase systems less than 600A with 3 included 200A clamps. 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 3 sensors collect energy data and are accurate from ±2%. The Vue 3 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.

Voltaware Smart Home Energy Monitor, AI-Powered Appliance Recognition, Real-Time Electricity Data, Plug-and-Play Setup, Fully Compatible with UK Homes and Electrical Systems

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Why We Love It

Real-time energy consumption tracking.
Easy installation in minutes.
Optimizes energy usage efficiently.

Main Highlights

💡 LOWER YOUR ELECTRICITY BILLS & IMPROVE EFFICIENCY: Take control of your energy bills with Voltaware’s AI-powered home energy monitor. Track real-time electricity usage, identify energy-hungry devices, and get actionable tips to cut consumption. View detailed cost breakdowns in £ and receive personalised energy-saving advice that improves over time - helping you reduce waste, lower your carbon footprint, and save money.
🧠 AI-POWERED 24/7 APPLIANCE MONITORING WITH JUST ONE SENSOR: Voltaware's smart system requires only 1 sensor to measure the entire house’s energy consumption and it automatically identifies household appliances - no extra sensors needed. Whilst it focuses on whole-home monitoring, the AI provides a breakdown of appliance consumption over time. (Note: The system may take 1-2 months to learn your home's energy patterns. Whilst it aims to identify major appliances, manual adjustments in the app may enhance accuracy.)
🔌 SIMPLE PLUG-AND-PLAY SETUP - NO COMLPEX WIRING: The single-sensor design makes installation fast and hassle-free. A qualified electrician can have you up and running in just 5 minutes. Start tracking your energy right after the installation.
📊 REMOTE REAL-TIME MONITORING AT YOUR FINGERTIPS: Monitor your entire home's energy use live through the Voltaware mobile app (iPhone, Android). Gain insights into appliance-level consumption and receive personalised energy-saving tips to help reduce waste and cut costs. Access detailed daily, weekly and monthly energy reports. Monthly reports include bill breakdowns, energy usage statistics, and a carbon footprint analysis.
⚡ WHOLE-HOME MONITORING WITH APPLIANCE-LEVEL INSIGHTS: Voltaware tracks your home’s overall energy usage and uses advanced AI to break it down by major appliances. The sensor provides a clear, consolidated view of your electricity consumption, helping you spot patterns and optimise energy use.
🔄 SINGLE & DUAL TARIFF COMPATIBILITY. WARRANTY & CERTIFICATION: Voltaware supports single and dual tariff energy plans. Translate energy usage by appliance to how much they are costing to run on a daily, weekly, monthly basis. Enjoy peace of mind with a 1-year warranty and continuous software updates that improve AI performance and app features. The sensor is certified to UK safety, health, and environmental standards. It is RoHS & REACH compliant, EMC-tested and provides reliable wireless connectivity with strong signal stability. What’s Included: Voltaware sensor, 50A Clamp, live & neutral magnetic probes, access to the mobile app - Voltaware Home.

LG Electronics Curved UltraWide Monitor 34WR50QK, 34 inch, 1440p, 100Hz, 5ms Response Time, VA Panel, Smart Energy Saving, Displayport, HDMI

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Why We Love It

UltraWide QHD for multitasking.
Wide color range HDR10.
Optimal positioning Ergonomic Stand.

Main Highlights

34-inch 21:9 Curved UltraWide QHD (3440x1440) Display: With UltraWide QHD (3440x1440) screen, you can multitask effectively-without shifting through programs.
Wide colour range at sRGB 99% (Typ.) with HDR10: This monitor is compatible with HDR10 (high dynamic range), based on the sRGB 99% colour gamut, supporting specific levels of colour and brightness that enables viewers to enjoy the dramatic colours of the content.
Picture By Picture (PBP): This monitor allows you to see multiple contents from two computers with the picture-by-picture feature, so it helps to process work efficiently.
Easy and comfy: Achieve optimal positioning with the Ergonomic Stand: Simple setting with one click as well as easily adjust Tilt for your ideal viewing experience.
Eye Care: Reader Mode & Flicker Safe help to provide eye comfort, reducing eye strain.

Efergy E-Max (1 CT Sensor 16mm) - in-Home Energy Monitor

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Why We Love It

Customize with multiple tariff settings.
Provides real-time energy usage.
Downloadable, comprehensive energy data.

Main Highlights

Set up to 4 different tariff, monthly budget, alerts, and multiple world currencies
See your current energy use with a colour-coded speedometer
Historic data today/yesterday, this/last week, this/last month
Use a USB Flash Drive to Download your Energy Data in .csv format
Walk around the house and observe how much energy you are using

Efergy Elite Classic 4.0 in-Home Energy Monitor Single Phase (EU 3 Phase)

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Why We Love It

Highly recommended by experts.
Saves on energy bills.
Easy installation and setup.

Main Highlights

Best energy monitor in the UK - Which? magazine has consistently ranked the elite as the best energy monitor in the country
Home Instant Real-Time energy consumption readings
DIY - Easy, Quick & Safe Installation and Set up
Helps save you up to 30% in your energy bill
Large wireless portable compact display can be placed anywhere in the home

LG Electronics Monitor 24MR400-B, 24 Inch, Full HD 1080p, 100Hz, 5ms GtG, IPS Panel, AMD FreeSync, Smart Energy Saving, Anti-Glare, HDMI, Matte Black

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Why We Love It

Smooth and realistic gameplay guaranteed.
Experience comfortable long reading sessions.
Effortless display settings control.

Main Highlights

A fast 100Hz refresh rate provides a smooth frame loading in various programs and realistic gameplay
Reader Mode adjusts colour temperature and luminance, supporting a suitable viewing experience for reading on a monitor. Flicker Safe reduces invisible flickering on the screen.
You can enjoy smooth, clear movement in high resolution and fast-paced games with AMD FreeSync and Black Stabiliser.
Easily control display settings with a few clicks using OnScreen Control software.
This display has a slim bezel on three sides, allowing you to create a suitable work environment through convenient tilt adjustment.

OWON Bi-Directional Smart 2 Way WiFi Power Monitor Energy Meter with 80A/ 2Clamp,WiFi Home Energy Monitor, Energy Meter Single Phase Electricity Compatible

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Why We Love It

Monitor energy usage easily.
Accurate hourly power recording.
Supports two-channel monitoring.

Main Highlights

Real-time Energy Data: Requires 2.4 GHz Wi-Fi with an internet connection to monitor energy use with phone app. It accurate from±2%.Accurately record hourly, daily, and monthly power consumption to optimize power consumption in real time.
Bi-directional Power Monitor :This smart home energy monitor with 1 clamp, it can support usage measurement.It supports power metering on each channel,2 channels on the same phase.
Energy Monitoring: This electricity consumption monitor can record Voltage, Current, Power Factor your home's anywhere, Active Power and frequency to prevent costly repairs, conserve energy and save costs.
Important Safety Information: The power clamp must be installed and serviced only by a qualified .Do not touch the terminals of the device during testing and turn off all the power supply for this equipment before installing. Keep you safe.
Easy to use：Product size 5.16*2.3*4.6cm,small volume and lightweight and easy to install, it with 1 pcs Power Clamp helps you monitor the amount of electricity usage in your facility by connecting the clamp on to the power cable.

Tapo P110M (4-pack) Smart Plug, WiFi Plug, Energy Monitoring, Electricity Usage Monitor, MATTER Certified, App Remote Control, Alexa, Voice Control with Alexa & Google, Away Mode, Compact Design

30% OffFree Shipping

Why We Love It

Matter compatible for unified control.
Energy monitoring for cost insights.
Voice control for hands-free convenience.

Main Highlights

𝗠𝗮𝘁𝘁𝗲𝗿 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗹𝗲 - Smart home with Matter support, using one-app to control all smart devices is no longer a fantasy; Integrate P110M into your favourite ecosystems to create a unified smart home with Tapo alexa smart plug; There are no third-party HUB support Matter energy monitoring by now on Tapo P110M
𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗼𝗻𝗶𝘁𝗼𝗿 – With energy monitor feature, set your electricity rate to estimate your energy bills, Tapo energy monitoring plug uk offers more comprehensive insights into home appliances' power consumption with more intuitive and straightforward data visualisations
𝗥𝗲𝗺𝗼𝘁𝗲 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗳𝗿𝗼𝗺 𝗔𝗻𝘆𝘄𝗵𝗲𝗿𝗲 - Instantly turn connected devices on/off wherever you are via the Tapo app and simply set up your Tapo smart plug to manage it by voice control
𝗛𝗮𝗻𝗱𝘀-𝗙𝗿𝗲𝗲 𝗩𝗼𝗶𝗰𝗲 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 - Free up your hands by using simple voice commands with Amazon Alexa, Apple homekit, or Google Home; A Matter hub is needed for Tapo P110M alexa plug If you use it in a third-party app; No hub needed when used with Tapo App
𝗦𝗰𝗵𝗲𝗱𝘂𝗹𝗲 𝗮𝗻𝗱 𝗧𝗶𝗺𝗲𝗿 𝗣𝗹𝘂𝗴 – Preset a schedule to automatically manage devices, Tapo timer plug socket uk makes daily life easier by simply setting schedules or timer for your devices; Create a countdown timer for connected appliances by using Tapo plug timer
𝗙𝗹𝗮𝗺𝗲-𝗥𝗲𝘁𝗮𝗿𝗱𝗮𝗻𝘁 & 𝗜𝗺𝗽𝗿𝗼𝘃𝗲𝗱 𝗣𝗼𝘄𝗲𝗿 𝗦𝗮𝗳𝗲𝘁𝘆 - PC flame-retardant materials help minimize burning hazards with this remote control plug socket uk; Your connected device will automatically shut off when the power usage exceeds the set threshold, protecting your household's safety
𝗦𝗲𝘁𝘂𝗽 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁: iOS xxx or higher or Android xxx or higher, Use Tapo APP with no further hub required, or a Matter-enabled third-party HUB such as Apple Home Pod, Echo Dot (4th generation), Google Nest Mini, Samsung SmartThings Hub V3, etc and the App
𝗙𝗼𝗿 𝗶𝗻𝗱𝗼𝗼𝗿 𝘂𝘀𝗲 𝗼𝗻𝗹𝘆, Output: 13A Max, 2990W for our wifi plug
𝗔𝘃𝗼𝗶𝗱 𝗽𝗹𝘂𝗴𝗴𝗶𝗻𝗴 𝗶𝗻 𝗮𝗽𝗽𝗹𝗶𝗮𝗻𝗰𝗲𝘀 𝘄𝗶𝘁𝗵 a motor/compressor higher than 1/6HP, such as an air conditioner, You can check the motor/compressor rating on your appliances or consult their support before using the smart plug
𝗘𝗩 𝗰𝗵𝗮𝗿𝗴𝗶𝗻𝗴 𝗶𝘀 𝗻𝗼𝘁 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗲𝗱 since it typically requires higher power, and its charging current exceeds the rated current of the Tapo smart plugs

Easily tracks and reduces consumption.
Helps move use to off-peak.
Simplifies installation and hub connection.

Main Highlights

Become energy-aware with remote meter readings from the Electricity Meter Interface 2, LED
Track your energy consumption, identify peaks, reduce consumption, and save money
Help the environment: Move some of your consumption to off-peak periods
Easy installation: Mount this frient yourself on an electronic meter that has an LED indicating power consumption
HUB REQUIRED: This Zigbee frient needs a hub to connect to your smart home. The Electricity Meter Interface 2 works with Homey, Home Assistant and SmartThings. Find an overview of all compatible hubs on the frient website. Not all features work with all hubs
EDGE DRIVERS REQUIRED: The Electricity Meter Interface 2, LED works with SmartThings via edge drivers. They can be downloaded under frient.com – compatible hubs – frients with SmartThings Edge
Compatible with: Meters that have a blinking LED light with a standard output rate of 1000 pulses/kWh. Configurable pulse rate available with selected hubs.
Please note: This product does not work with PV and other energy production systems

Power Meter Electricity Usage Monitor 8 Modes, Energy Monitor Plug with LCD Backlight Overload Sound Alarm, Energy Meter Power Consumption Monitor Socket KWH Amp Volt Watt Meter Plug Energy Monitoring

14% OffFree Shipping

Why We Love It

Comprehensive monitoring of energy.
Safety with overload protection.
Data retention for convenience.

Main Highlights

[Various Monitoring Parameters] The energy monitor 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. These power monitors can also calculate and display how much power your appliance uses and how much electricity bill it cost in cumulative time for energy saving
[Overload Protection] The default overload of the energy monitor plug is 2900W. When the power of the appliance exceeds the overload power, the LCD will display "OVERLOAD" and emit a "beep" sound to warn the user. All the buttons of wattage meter will quit working and can only work again when the overload alarm has been cleared by raising the setting value or removing the appliances
[Data Memory Function] The energy monitor will record your power consumption data when you remove electric meter from socket, or remove appliances from the power meter. All setting data and cumulative data(electricity quantity, cost, unit price) will be saved. You can directly see the last data when you use the electricity usage monitor next time(NOT including current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure
[KWH Alarm Settings] You can set a power consumption limit, and when the accumulated power consumption reaches the set value, the energy monitoring plug uk will emit a "beep" sound, and the "KWH" alarm will flash continuously to alert the user. If you want to silence the alarm, you can set a higher power consumption limit or reset the power consumption limit (Note: resetting will clear all settings)
[Adjustable Backlight Time] Our 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=normally on), finally press the "SET" to save the backlight time settings
[Backlight Display] With white backlight and black digits, the LCD display of our power monitor plug uk 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 power meter plug is connected to AC power. You can set the time for the screen to turn off automatically, or press the "DOWN" button to manually turn on and off the backlight
[Premium Material] The whole body of our power consumption plug is made of high-quality PC material, which makes our energy meter monitor more long lasting. The standard DE socket and plug is suitable for all DE standard appliances

8.7

Excellent

Save 14%

We scanned 1117 products

We reviewed these offers relevant to the Energy Monitors within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like EMPORIA ENERGY, Voltaware, LG, efergy, OWON, Tapo, frient, MECHEER, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Energy Monitors in the market, we considered we took a deep dive into 5586 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Emporia Vue 3 3-Phase Smart Energy Monitor – Real-Time Electricity Usage Monitor and Power Meter for Business or Home, Solar and Net Metering Compatible, Smart Automation Ready with 16 circuit sensors. We love many things about this product by EMPORIA ENERGY. What sets it apart from the competition is Efficient energy management anytime. , Lower your electric bill. , Real-time energy data monitoring.
The best value product for most shoppers and where user satisfaction is continuously the highest is Voltaware Smart Home Energy Monitor, AI-Powered Appliance Recognition, Real-Time Electricity Data, Plug-and-Play Setup, Fully Compatible with UK Homes and Electrical Systems by Voltaware based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Energy Monitors and the best cost-to-value ratio is Tapo P110M (4-pack) Smart Plug, WiFi Plug, Energy Monitoring, Electricity Usage Monitor, MATTER Certified, App Remote Control, Alexa, Voice Control with Alexa & Google, Away Mode, Compact Designat Tapo with a 30% discount.
Our list of the best Energy Monitors is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Energy Monitors in The UK

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We scanned 1117 products

We concluded that: