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 smart energy research for real homes
EnergyMeterHub
Compare smart meters, solar inverters, batteries, EV chargers, and monitoring platforms using practical device data, compatibility signals, and plain-English guidance before you buy or rewire anything.
80
Guides
86
Device profiles
12
Integrations
Decision Shortcuts
Jump to the part of the site that matches your current question.
Products
Compare hardware
Meters, inverters, batteries, chargers, gateways, and the brands behind them.
Compare
Use fixed side-by-side pages
See major trade-offs faster when you already have two or more products in mind.
Savings
Estimate the bill impact
Tariff fit, battery size, EV charging windows, and better use of surplus solar.
Compatibility
Check the data path
Vendor cloud, Home Assistant, local APIs, self-hosting, and long-term data access.
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.
P1 Smart Meter Reader vs DIN-Rail kWh Meter: Which Monitoring Path Fits Your Home?
A practical guide to choosing between a P1 smart meter reader and a DIN-rail kWh meter for home energy monitoring, covering installation effort, data quality, solar import/export visibility, appliance metering, local APIs, Home Assistant, and long-term upgrade fit.
Is a Whole-Home Energy Monitor Worth It for a Normal House?
A practical decision guide for households deciding whether a whole-home energy monitor is worth buying, covering when smart meter data is enough, when circuit-level monitoring pays off, what features matter, and how to avoid overbuying.
How to Choose an Energy Meter If You Care More About Data Access Than App Design
A practical guide to choosing an energy meter when data access matters more than a polished app, covering local APIs, MQTT, Modbus, cloud exports, Home Assistant, sampling intervals, ownership risk, and the trade-offs between open meters and app-first monitoring systems.
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.
What a Good Solar Home Monitoring Setup Should Include Beyond the Inverter App
A practical guide to what a complete solar home monitoring setup should show beyond basic inverter production, including grid import and export, self-consumption, household load, batteries, EV chargers, tariffs, data access, and the checks that prevent confusing energy dashboards.
When a Wi-Fi Energy Meter Makes More Sense Than a Traditional DIN-Rail Meter
A practical guide to deciding when a Wi-Fi energy meter is the better fit than a traditional DIN-rail Modbus meter, covering retrofit difficulty, local data access, solar monitoring, Home Assistant, three-phase panels, reliability, and the trade-offs that matter before installation.
Who Should Keep Their Energy Data Local and Who Probably Does Not Need To
A practical guide to deciding whether local energy data is worth the extra setup, covering privacy, reliability, solar and battery automation, Home Assistant, MQTT and local APIs, cloud-only monitors, and the buyer profiles that benefit most from keeping data close to the home or site.
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 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
Aeotec Home Energy Meter
A whole-home clamp meter for SmartThings and Z-Wave households that want energy data, solar-aware automations, and panel-level visibility without moving into a Wi-Fi-first or Modbus-heavy metering setup.
Z-Wave Plus
BYD Battery-Box Premium HVL US
A modular high-voltage LFP home battery for North American solar homes that want a larger-capacity BYD option with stronger whole-home backup potential and more room to scale than a fixed-size battery box.
BYD Battery-Box Premium HVS/HVM
A modular LFP battery platform for solar homes that need a wide usable-capacity ladder, from smaller HVS systems through larger HVM configurations.
BYD Battery-Box Premium LVS 16.0
A modular low-voltage LFP home battery for households that want a safer chemistry, meaningful backup potential, and room to expand later with a compatible external inverter.
CAN
Carlo Gavazzi EM340
A direct-connected three-phase DIN-rail energy analyzer for installer-led monitoring, solar switchboards, and sub-metering jobs where dependable Modbus data matters more than app-first homeowner convenience.
RS485 / Modbus RTU
Carlo Gavazzi EM530
A more advanced three-phase analyzer for solar switchboards and integration-heavy projects where reliable Modbus support matters more than consumer-app polish.
Modbus RTU
ChargePoint Home Flex
A flexible Level 2 home EV charger for households that want a widely supported app-led charging option with adjustable amperage, indoor or outdoor installation, and a stronger mainstream fit than many installer-only charging brands.
Wi-Fi / Bluetooth / ChargePoint App
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.