IAMMETER WEM3080 vs Shelly Pro EM-50
A focused comparison for single-phase solar and circuit monitoring with local integration options.
IAMMETER WEM3080
Shelly Pro EM-50
Independent guidance for lower-energy homes
Know where your home’s energy goes.
Compare meters, solar inverters, batteries, EV chargers, and monitoring apps with practical data and plain-English advice—before you buy, install, or rewire anything.
Independent rankings
Official-source checks
Local-data focused
What are you working out?
Start with the decision in front of you.
Featured Comparisons
Start with side-by-side comparison pages when your shortlist is already forming.
These editor-picked pages are the fastest route from "I keep seeing these names" to a real decision about local data, ecosystem fit, installation style, and long-term usefulness.
IAMMETER WEM3080T vs Shelly Pro 3EM 120A vs ABB B23 112-100
A three-way comparison for three-phase monitoring, local data access, and installer-led metering.
IAMMETER WEM3080T
Shelly Pro 3EM 120A
ABB B23 112-100
IAMMETER WEM3080 vs WEM2067 vs WEM3050T vs WEM3080T
A family comparison of IAMMETER Wi-Fi energy meters for single-phase, split-phase, and three-phase monitoring.
IAMMETER WEM3080
IAMMETER WEM2067
IAMMETER WEM3050T
IAMMETER WEM3080T
Shelly EM vs Shelly EM Gen3 vs Shelly Pro EM-50
Compare Shelly EM vs Shelly EM Gen3 vs Shelly Pro EM-50 side by side before you commit to a monitoring path or product ecosystem.
Shelly EM
Shelly EM Gen3
Shelly Pro EM-50
Shelly 3EM vs Shelly 3EM-63T Gen3 vs Shelly Pro 3EM vs Shelly Pro 3EM 120A
Compare Shelly 3EM vs Shelly 3EM-63T Gen3 vs Shelly Pro 3EM vs Shelly Pro 3EM 120A side by side before you commit to a monitoring path or product ecosystem.
Shelly 3EM
Shelly 3EM-63T Gen3
Shelly Pro 3EM
Shelly Pro 3EM 120A
HomeWizard P1 Meter vs HomeWizard kWh Meter 1-Phase
A simple comparison between reading an existing smart meter and adding a DIN-rail kWh meter.
HomeWizard P1 Meter
HomeWizard kWh Meter 1-Phase
Start Here
New here? Start with the guides that orient the whole site.
Use these when you want the baseline before comparing hardware, platforms, or bill-saving options.
Best Online Tools for Solar, EV Charging, and Home Energy Decisions in 2026
A practical guide to EnergyMeterHub's online tools so you can pick the right calculator or selector for EV charging, batteries, tariffs, solar, and smart meters.
Best Smart Energy Meters for Solar Homes in 2026: 5 Practical Picks
A practical guide to the best smart energy meters for solar homes in 2026, including Home Assistant, import/export tracking, and when IAMMETER or Shelly makes more sense.
Latest Guides
New and refreshed research on device choices, energy data, and bill-saving decisions.
Recent work from the guide library, with enough context to help you interpret product specs, data access claims, and solar upgrade trade-offs.
Do You Need a Switchboard Upgrade Before Solar, a Battery, or an EV Charger?
A practical Australian guide to deciding whether a home switchboard needs upgrading before rooftop solar, a battery, an EV charger or added energy monitoring, including supply capacity, protection, load management, metering, quote checks and staged upgrade options.
Portable Air Conditioner vs Split System: Which Is Cheaper to Run?
A practical comparison of portable air conditioners and split systems, covering real power draw, delivered cooling, single-hose penalties, installation cost, measurement methods, monitoring workflows, and when the higher upfront cost of a split system pays back.
Why Your Electricity Use Is Higher at Night When Everyone Is Asleep
A practical guide to finding the loads behind high overnight electricity use, from refrigerators and water heating to HVAC, pool equipment, standby devices, EV charging, and faulty schedules, with a safe step-by-step monitoring workflow.
More From The Guide Library
More recent reading for households comparing bill savings, hardware choices, and control options.
Use the wider guide library when you need more context than a product page can give you: decision trade-offs, setup fit, and where the marketing story breaks down once you look at everyday usage.
Emporia Pro EV Charger vs ChargePoint Home Flex: Which One Makes More Sense at Home?
A practical comparison of Emporia Pro and ChargePoint Home Flex for home EV charging, including dynamic load management, solar charging, panel capacity, charging speed, app experience, installation, local data, and which household each charger fits best.
Waveshare RS485 to Ethernet Gateway: When It Is Enough and When It Is the Wrong Tool
A practical guide to when the Waveshare RS485 TO ETH (B) is a sensible low-cost bridge for Modbus meters, and when a complete monitor or industrial gateway is the better choice.
ABB B23 vs Carlo Gavazzi EM340: When Branded DIN-Rail Meters Are Worth Paying For
A practical comparison of the ABB B23 312-100 and Carlo Gavazzi EM340DINAV23XS1X for three-phase submetering, solar import/export, Modbus integration, tariff handling, panel space, compliance, and long-term maintainability.
Online Tools
Use a tool when you want a faster shortlist than a full round of reading.
The tools section is where broad questions become something you can act on: a narrower shortlist, a clearer compatibility check, or a better sense of what category to compare next.
Quick Calculators
Start here if the question is about bill math, battery size, solar surplus, or EV charging hours.
These calculators answer the high-frequency homeowner questions first. Use the guided tools below when the harder part is choosing hardware or compatibility.
EV Charging Window Calculator
Check whether your current cheap-rate or solar charging window is already enough before paying for more charger power.
Daily driving
Effective power
Cheap-rate fit
Battery Size Estimator
Turn evening usage and backup goals into a practical starting battery size band before comparing brands.
Evening kWh
Backup planning
Usable size
Excess Solar Priority Calculator
Rank the best first use for surplus daytime solar instead of assuming every exported kWh should go to a battery.
Hot water
Battery vs EV
Self-use
Tariff Fit Checker
Work out whether flat rate or time-of-use is more likely to match the way your home actually imports electricity.
Day vs night
EV timing
Battery effect
Smart Meter Selector
Shortlist the kind of meter that fits your home, solar plans, and appetite for local data.
Home supply
Solar-ready picks
Beginner-friendly
EV Charger Selector
Work out whether you need a basic charger, solar-aware charging, or more serious load balancing.
Charging speed reality check
Solar charging
Future-proofing
Compatibility Checker
Check whether a device and platform look like a sensible fit before you buy into an ecosystem.
Device + platform
Local vs easy setup
Practical caution
Solar Monitoring Planner
Choose between vendor apps, local gateways, and broader monitoring platforms without needing protocol expertise first.
Vendor app vs local
Monitoring path
Data ownership
Use calculators for quick direction when the question is mostly about usage patterns or savings logic. Use selector and compatibility tools when the harder part is deciding what hardware or data path to trust.
Device Catalog
Compare hardware with more context about data access, compatibility, and installation fit.
Device pages stay focused on buying and ownership reality: what data the product exposes, whether it plays well with Home Assistant or local monitoring, and whether the setup effort matches the value.
ABB A41 312-100
Single-phase 80 A direct-connected DIN-rail energy meter with MID Class B accuracy, import/export registers, multi-tariff support, and local RS-485 Modbus RTU.
ABB A43 312-100
A professional three-phase DIN-rail meter for direct circuits up to 80 A, combining MID Class B metering, separate import/export registers, multi-tariff support, and local Modbus access for commercial, industrial, solar, and sub-metering projects.
RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
ABB B21 312-100
A MID-approved single-phase DIN-rail energy meter for direct circuits up to 65 A, with local RS-485 Modbus RTU, active/reactive energy data, and separate import/export registers.
RS-485 Modbus RTU / EQ Bus / S0 pulse outputs
ABB B23 112-100
A narrow three-phase DIN-rail meter for electrician-led solar, sub-metering, and panel-monitoring jobs where Modbus RTU integration and trusted electrical hardware matter more than app-first homeowner UX.
Modbus RTU
ABB B23 212-100
Three-phase 65 A direct-connected DIN-rail meter with MID Class B accuracy, import/export registers, and local RS-485 Modbus for solar, sub-metering, and energy-management projects.
RS-485 Modbus RTU / EQ Bus / infrared interface / pulse-alarm output
ABB B23 312-100
Three-phase 65 A direct-connected DIN-rail energy meter with MID Class B metering, import/export registers, multi-tariff support, and local RS-485 Modbus RTU for residential and commercial sub-metering.
RS-485 Modbus RTU / EQ Bus / infrared interface / configurable pulse-alarm I/O
Acrel ACR10R-D16TE
A single-phase DIN-rail multifunction energy meter with an external split-core CT, built for PV inverter metering, anti-reflux monitoring, and local RS485 Modbus data.
RS485 Modbus RTU
Acrel ADL100-ET
A compact single-phase DIN-rail energy meter for low-voltage circuits that need direct 60 A metering, local display, pulse output, and optional RS485 Modbus data.
RS485 Modbus RTU on /C communication variant
Integrations
Compare platforms after you know how much control you actually want.
From vendor cloud apps to Home Assistant and self-hosted tools, these pages help you judge whether the software side of the setup will stay useful once the novelty wears off.
A local-first home energy platform for combining grid, solar, battery, and device data in one dashboard and one automation system.
Open Source
Self-hosted
Cloud-based solar monitoring and comparison service for uploading inverter, meter, and battery data, tracking 5-minute performance, and benchmarking against similar systems.
Cloud
Open-source energy monitoring web app for logging, visualising, and exporting meter, solar, heat-pump, and environmental data.
Open Source
Self-hosted
Cloud
Self-hostable dashboard and time-series database stack for households that want custom charts, alerts, and long-term energy history.
Open Source
Self-hosted
Cloud
Managed cloud energy monitoring software for IAMMETER smart meters, with real-time dashboards, solar self-consumption tracking, tariff-based billing, alerts, and multi-site analysis.
Cloud
Self-hosted IAMMETER-Docker energy monitoring software for Raspberry Pi and private servers, with a local dashboard, REST API, meter upload endpoint, and optional cloud forwarding.
Open Source
Self-hosted
Manufacturers
Use brand pages when you already know the ecosystem you are leaning toward.
Brand pages are a faster way to judge product range, software direction, and whether a manufacturer fits the wider roadmap you have in mind for solar, battery, EV, or home automation.
Our Projects
Open tools for households that want more control.
Our own projects stay focused on practical energy data: readable dashboards, portable integrations, and hardware or firmware that avoids unnecessary lock-in.
ESP32-C3 edge bridge with browser setup, real-time local monitoring, SoftAP recovery, and IAMMETER-compatible upload for supported LAN energy meters.
Self-hosted energy gateway with live browser dashboard, secure login, normalized meter payloads, and IAMMETER-compatible forwarding for selected LAN devices.
Local protocol simulator for IAMMETER, Shelly, and Fronius test flows, with a compact browser console and deterministic runtime data for gateway and dashboard validation.