iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
You do not need to rely on your electricity provider’s website or app to understand household consumption. Independent tools can read the entire home at the electrical panel, pull data directly from a compatible smart meter, measure one appliance at an outlet, or combine several sources in a local dashboard.
For most homeowners who want to find expensive circuits, Emporia Vue 3 is the clearest all-around choice because it measures the mains and can add up to 16 branch-circuit sensors. A supported smart-meter reader such as Emporia Vue Utility Connect is easier to install, while smart plugs answer appliance-specific questions without panel work. Technically confident owners can use Shelly Pro 3EM or Home Assistant for local-network data and custom automation. Existing Sense owners and customers of participating utilities may continue using Sense, but new panel-monitor sales ended on December 31, 2025.
What can replace a utility electricity portal?
A utility portal usually shows billing-period consumption collected by the provider’s meter. It may be delayed, rounded to daily totals, or limited to whatever interval data the utility chooses to expose. An independent monitor gives you a different measurement point and, often, faster or more detailed data.
| Option | What it measures | Installation | Data and control | Best fit |
|---|---|---|---|---|
| Emporia Vue 3 | Whole-home mains plus up to 8 or 16 branch circuits | Current transformers (CTs) in the electrical panel; qualified help may be needed | Emporia app and web history; real-time readings; alerts; solar and EV-charger support | Homeowners diagnosing HVAC, water heating, cooking or EV loads |
| Emporia Vue Utility Connect | Whole-home usage from a compatible AMI smart meter | Plug into an outlet near the meter; no panel opening | Emporia app, iPhone/Android clients and web portal | Renters or owners whose utility supports the required HAN connection |
| Emporia Smart Plug | One plug-in appliance | Insert between wall outlet and appliance | Watts, voltage, cumulative kWh, cloud reporting and remote/scheduled/voice control | Freezers, dehumidifiers, gaming PCs, space heaters and other individual loads |
| Shelly Pro 3EM | Three-phase mains or circuits, with per-phase electrical values | DIN-rail installation in the electrical cabinet | Local LAN operation, MQTT, HTTP, WebSocket and stored history | Owners needing local data, solar measurement or three-phase support |
| Home Assistant Energy | Data from meters, monitors, plugs, solar inverters and batteries | Software setup; hardware depends on the chosen source | Consumption, production, storage, tariffs and automations in one dashboard | Users combining brands or avoiding a single-vendor ecosystem |
| Sense | Existing panel monitors or participating utility smart meters | Only existing hardware or utility integration for new users | Sense Home app; no subscription fee stated by Sense | Existing Sense owners and customers of supported utility partnerships |
The important distinction is measurement location. A panel monitor can tell you which circuits are responsible for usage. A smart-meter reader sees the whole property but cannot identify an individual circuit. A smart plug sees one appliance and nothing else. A software dashboard can unify those readings, but it cannot create measurements that the underlying hardware does not provide.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
How to choose by home, data and installation needs
If you own the property and need circuit-level answers
Choose a panel monitor. Emporia Vue 3 is designed for mains-only monitoring or mains plus eight or 16 branch sensors. That lets you separate major loads such as air conditioning, electric water heating, ovens, dryers, pool equipment or an EV charger. Circuit-level data is the fastest way to move from “my bill is high” to “this circuit runs 14 hours a day.”
If you rent or cannot open the panel
Start with a compatible smart-meter reader or smart plugs. Utility Connect requires only an outlet near the meter, while a smart plug requires no electrical work at all. A reader cannot provide branch-circuit detail, so use plugs when the question concerns a particular appliance.
If local networking and open integrations matter
Shelly Pro 3EM provides local-LAN interfaces and Home Assistant can combine its data with plugs, inverters and batteries. This approach is more configurable than a single vendor app, but you are responsible for network setup, updates, backups and troubleshooting.
If you have solar, batteries or time-of-use pricing
Use hardware and software that represent both import and export. Vue 3 lists solar monitoring, and Home Assistant’s Energy dashboard can display consumption, production, storage and tariffs. Confirm that your meter entities report the direction and units the dashboard expects before building automations.
Emporia Vue 3: the strongest whole-home and circuit-level option
Emporia describes Vue as a real-time home energy monitor available in three configurations: mains-only, mains plus eight branch sensors, and mains plus 16 branch sensors. Its published 2026 specifications list 24,000 samples per second, measurement accuracy of ±2%, power consumption below 3 watts and a one-year warranty.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
| Configuration | Listed price | Use case |
|---|---|---|
| Mains monitoring | $99.99, as listed by Emporia in 2026 | Whole-home load without circuit breakdown |
| Mains plus 8 branch sensors | $149.99, as listed by Emporia in 2026 | Major-circuit diagnosis in a smaller panel |
| Mains plus 16 branch sensors | $199.99, as listed by Emporia in 2026 | Detailed circuit coverage in a larger home |
Emporia’s shop also lists Vue 3 and flexible-sensor variants and identifies individual-circuit monitoring, solar monitoring, alerts and EV-charger compatibility. The device uses CT sensors around conductors in the electrical panel. Emporia says key features require an active internet connection, so it is not a fully offline monitor.
“Imagine a device that tracks your home energy use every second and helps you manage it efficiently to save money.”
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
What Vue 3 can tell you
- Whether the whole home is drawing power right now.
- How much a monitored branch circuit contributes over time.
- Which large loads run during expensive tariff periods.
- Whether solar production offsets household consumption.
- When a monitored circuit crosses an alert threshold.
Vue 3 installation workflow
- Count the circuits you want to monitor and choose the mains-only, eight-sensor or 16-sensor configuration.
- Read the installation instructions and local electrical rules. CT placement is inside the panel, where exposed conductors can be hazardous.
- Have a qualified installer mount the monitor and place each CT on the correct conductor if you are not trained and authorized to work in the panel.
- Connect the monitor to your network, add it in the Emporia app, and label every sensor by circuit.
- Turn known loads on and off one at a time. Confirm that the corresponding circuit changes in the app before relying on the labels.
- Set alerts for unusual consumption and review several days of history rather than judging a circuit from one moment.
Trade-offs
- Advantages: whole-home and branch detail in one system, published ±2% accuracy, solar and EV support, and app/web history.
- Limitations: panel access is required for CT installation, the device depends on an active internet connection for key features, and the listed prices are product-page figures that can change.
Emporia Vue Utility Connect: simple whole-home data from a smart meter
Utility Connect reads a compatible utility AMI meter wirelessly through Zigbee. It plugs into an outlet near the meter and forwards readings to the Emporia app, iPhone and Android clients, and web portal. Emporia lists a $39.99 price on the cited shop page and limits the product to select utility service areas.
This is a whole-home reader, not a circuit monitor. Emporia’s comparison information states that Utility Connect has no individual-circuit monitoring and no energy-management features. It is therefore best when you want an easy answer to “How much did the house use today?” rather than “Which breaker is responsible?”
Compatibility check before buying
- Identify the utility account and the meter model installed at the property.
- Check whether the utility service area is explicitly listed as supported for Utility Connect.
- Confirm that the meter exposes the required home-area-network data; not every smart meter makes that data available to customers.
- Install the reader in an outlet near the meter and follow the pairing instructions in the Emporia app.
- Compare the first readings with a utility bill or meter display to catch an account or pairing mismatch.
Because the device does not open the panel, it is attractive to renters and to owners who want to avoid electrical work. Its limitation is entirely about compatibility and granularity: an unsupported utility or a meter without the required HAN access will prevent it from working, and a supported reader still cannot identify individual appliances.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Smart plugs: the safest way to measure one appliance
An Emporia Smart Plug sits between a wall outlet and the appliance. Emporia’s help documentation says it measures real-time watts, voltage and cumulative kilowatt-hours, reports data to the cloud every second while online, and supports remote, scheduled or voice control.
Windows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallCrashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteGood targets for a plug
- Freezers and refrigerators whose compressor cycles are difficult to estimate.
- Dehumidifiers and portable air conditioners.
- Gaming PCs, monitors and entertainment equipment.
- Space heaters, provided the plug and circuit are rated for the load.
- Small pumps, aquarium equipment and other recurring plug-in devices.
How to run a useful appliance test
- Check the appliance’s rated current and the smart plug’s electrical rating before connecting it.
- Plug the smart plug directly into the wall, then connect the appliance to the plug.
- Add the plug to its app and name it precisely, such as “Basement dehumidifier.”
- Record cumulative kWh for a representative period that includes normal operating cycles.
- Use the measured kWh with your tariff to estimate cost, remembering that a plug sees only that appliance.
Smart plugs do not replace whole-home measurement. They are a focused diagnostic tool and the least intrusive option when panel work is unsuitable.
Shelly Pro 3EM and Pro EM: local-LAN panel metering
Shelly Pro 3EM is a DIN-rail three-phase meter intended for installation in an electrical cabinet. Shelly documents standalone local-LAN operation and interfaces including MQTT, HTTP and WebSocket. It reports accumulated energy plus instantaneous voltage, current, active power and apparent power for each phase, and stores at least 45 days of one-minute data.
Shelly Pro EM is the single-phase alternative. It has two measurement channels and a relay output, making it suitable where three-phase measurement is unnecessary and a controllable output is useful.
Why choose Shelly
- Local access: readings can remain on the home network instead of depending entirely on a vendor cloud.
- Open integrations: MQTT, HTTP and WebSocket interfaces can feed Home Assistant or another automation system.
- Electrical detail: per-phase voltage, current, active power and apparent power help with solar and three-phase analysis.
- History: Pro 3EM stores at least 45 days of one-minute data on the device.
Installation and verification
- Confirm whether the service is single-phase or three-phase and select Pro EM or Pro 3EM accordingly.
- Plan the DIN-rail space, CT locations, network connection and any relay wiring before power is disconnected.
- Use a qualified or licensed professional where local rules require it; CT-clamp work involves the electrical cabinet.
- Connect the meter to the LAN and assign a stable address or DHCP reservation.
- Verify phase labels and polarity by comparing readings with known loads and solar production.
- Expose the device through MQTT, HTTP or WebSocket only on a secured local network, then add it to your dashboard.
Shelly is a strong choice for technically confident homeowners, solar installations and anyone who values local data. It is not the simplest plug-and-play purchase for a renter.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteRank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Home Assistant Energy: a vendor-neutral software layer
Home Assistant’s Energy dashboard accepts data from an electricity meter, energy monitor, smart plug, solar inverter or battery from many brands. It can present consumption, production, storage, tariffs and device-level use in one interface and can trigger automations such as shifting loads to cheaper periods.
“Home Assistant is open and works with hardware from many different brands, so you are not locked into one ecosystem.”
Ways to provide data
- A utility meter entity, when your local integration exposes one.
- Shelly EM hardware connected over the local network.
- Smart plugs for named appliances.
- Solar-inverter and battery integrations.
- Local approaches such as Home Assistant Glow or readers connected to a meter’s P1 port, where the meter and region support them.
Home Assistant’s grid-integration guidance says the electricity meter itself is often the best source and lists Shelly EM as an advised off-the-shelf option. The software does not eliminate hardware constraints: if a source reports only total consumption, the dashboard cannot infer a reliable circuit breakdown.
Basic Energy dashboard setup
- Install Home Assistant on supported hardware and put it on your home network.
- Add the meter, monitor, smart plug, inverter or battery integration that supplies energy readings.
- Open Settings > Dashboards > Energy and select the entities for grid consumption, return to grid, solar production and battery storage as applicable.
- Configure tariff periods and rates using the units and time zone used by your utility.
- Assign appliance entities to individual devices so the dashboard can show device-level consumption.
- Create automations only after checking that timestamps, units and import/export direction are correct.
The trade-off is maintenance. You gain cross-brand flexibility and local automation, but you must manage integrations, network reliability, backups and upgrades yourself.
Where Sense fits after the 2025 product change
Sense’s support information says it would stop selling home monitors installed in electrical panels starting December 31, 2025, and possibly sooner. The company is emphasizing technology built into next-generation smart meters through utility partnerships.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
The Sense Home app remains available through existing monitors or participating utilities. Sense’s product information says neither Sense nor the utility charges subscription fees for the app and that Sense will not sell personal data. For a new purchase in 2026, treat Sense as a compatibility-dependent utility service or an existing-owner platform rather than the default panel-hardware recommendation.
Decision guide
| Your situation | Most suitable route | Why |
|---|---|---|
| You own the home and need to identify high-use circuits | Emporia Vue 3 with branch sensors | Measures mains and selected circuits, with app history, alerts and solar support |
| Your utility and meter are explicitly supported | Emporia Vue Utility Connect | Low-installation whole-home view without opening the panel |
| You need to measure one appliance | Smart plug | Direct watts and kWh measurement at the outlet |
| You want local protocols, three-phase data or solar integration | Shelly Pro 3EM or Pro EM | Local LAN, MQTT/HTTP/WebSocket and electrical values per phase or channel |
| You want one dashboard across different brands | Home Assistant Energy | Combines meters, plugs, solar and batteries and supports tariffs and automation |
| You already own Sense hardware or have a participating utility | Sense Home app | Continued access depends on existing equipment or utility availability |
Accuracy, tariffs and cost interpretation
A monitor’s displayed kWh is not automatically your bill. Your utility may apply time-of-use rates, fixed charges, taxes, demand charges or export credits that the device does not know. Configure tariff periods where the software supports them, and compare a complete billing cycle with the utility statement.
Vue 3’s published ±2% accuracy and 24,000-samples-per-second figure describe the device specifications supplied by Emporia for 2026; they are not a promise that every installation will match a utility bill exactly. CT orientation, sensor placement, phase configuration and network gaps can all affect results.
The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →No controlled, broadly applicable household savings percentage is established here. Monitoring can reveal waste and support better scheduling, but the financial result depends on rates, weather, equipment, occupancy and the actions you take.
Safety and troubleshooting checklist
Before any panel or DIN-rail installation
- Follow the manufacturer’s installation instructions and local electrical code.
- Use a qualified or licensed professional when required. Home Assistant specifically warns that CT-clamp installation may require a licensed professional depending on the region.
- Never assume that switching off one breaker makes the entire cabinet safe.
- Verify voltage, phase count, CT direction and conductor identification before energizing the system.
If readings look wrong
- Zero or missing data: check network connection, account pairing and whether the utility exposes HAN data.
- Negative or reversed solar values: inspect CT orientation and import/export entity configuration.
- One circuit appears on another: relabel sensors and test known loads individually.
- Utility and monitor totals differ: compare the same time zone and billing interval, then account for tariff rules, missing data and export treatment.
- Smart plug disconnects: check Wi-Fi coverage, load rating and whether the appliance is exceeding the plug’s specification.
Bottom line
Use Emporia Vue 3 when circuit-level diagnosis is the priority, Utility Connect when a supported smart meter makes installation simple, and a smart plug when the question concerns one appliance. Choose Shelly with Home Assistant for local, open and highly customizable monitoring. Sense remains relevant mainly through existing hardware or utility partnerships after panel-monitor sales ended at the close of 2025.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
