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.

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.

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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.

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When a Three-Phase Meter Is Worth It for a Residential Solar Home
Buying Guides 7月 5, 2026

When a Three-Phase Meter Is Worth It for a Residential Solar Home

A practical decision guide for solar homes deciding whether a three-phase energy meter is worth installing, covering phase imbalance, inverter compatibility, import/export visibility, batteries, EV chargers, Home Assistant, Modbus meters, and when a simpler single-phase or whole-home monitor is enough.

Why Your Home Energy Monitor Shows Zero Export When Solar Is Producing
Setup Tutorials 7月 2, 2026

Why Your Home Energy Monitor Shows Zero Export When Solar Is Producing

A practical troubleshooting guide for solar homes where panels are producing power but the energy monitor shows zero grid export, covering self-consumption, export limits, CT placement, inverter settings, batteries, three-phase behavior, and dashboard configuration.

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.

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Best EV Charger for Solar Homes in 2026: Zappi vs Wallbox vs Emporia vs ChargePoint
Buying Guides 6月 23, 2026

Best EV Charger for Solar Homes in 2026: Zappi vs Wallbox vs Emporia vs ChargePoint

A practical comparison of four popular home EV charger paths for solar homes: myenergi zappi, Wallbox Pulsar Plus, Emporia Pro EV Charger, and ChargePoint Home Flex, with guidance on surplus-solar charging, dynamic load management, OCPP, app dependency, connector options, and which buyer each charger suits best.

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.

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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.

See the full tool directory
Quick Calculator

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
Quick Calculator

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
Quick Calculator

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
Quick Calculator

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
Guided Tool

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
Guided Tool

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
Guided Tool

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
Guided Tool

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.

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ABB B23 112-100
Energy Meter

ABB B23 112-100

ABB

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
Energy Meter

Aeotec Home Energy Meter

Aeotec

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
Autel MaxiCharger AC Elite Home 50A
EV Charger

Autel MaxiCharger AC Elite Home 50A

Autel

A 50 A smart Level 2 home EV charger for buyers who want 12 kW charging, hardwired installation, Autel app control, OCPP support, and advanced load-management options.

Wi-Fi / Bluetooth / Ethernet / CAN / RS485 / OCPP 1.6J
BYD Battery-Box Premium HVL US
Battery Storage

BYD Battery-Box Premium HVL US

BYD

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.

CAN / RS485
BYD Battery-Box Premium HVS/HVM
Battery Storage

BYD Battery-Box Premium HVS/HVM

BYD

A modular LFP battery platform for solar homes that need a wide usable-capacity ladder, from smaller HVS systems through larger HVM configurations.

CAN / RS485
BYD Battery-Box Premium LVS 16.0
Battery Storage

BYD Battery-Box Premium LVS 16.0

BYD

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 EM112
Energy Meter

Carlo Gavazzi EM112

Carlo Gavazzi

A single-phase DIN-rail Modbus energy analyzer for 100 A direct-connected metering, fiscal/MID contexts, and local import/export energy monitoring without a vendor cloud.

RS485 Modbus RTU / pulse output
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.

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Home Assistant

Home Assistant

OpenSource

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
PVOutput

PVOutput

CloudService

Cloud-based solar monitoring and comparison service for uploading inverter, meter, and battery data, tracking 5-minute performance, and benchmarking against similar systems.

Cloud
Emoncms

Emoncms

OpenSource

Open-source energy monitoring web app for logging, visualising, and exporting meter, solar, heat-pump, and environmental data.

Open Source Self-hosted Cloud
Grafana + InfluxDB

Grafana + InfluxDB

OpenSource

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
IAMMETER Cloud

IAMMETER Cloud

CloudService

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
IAMMETER Local

IAMMETER Local

LocalSoftware

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
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.

View all projects

energy-device-edge

Firmware C

ESP32-C3 edge bridge with browser setup, real-time local monitoring, SoftAP recovery, and IAMMETER-compatible upload for supported LAN energy meters.

energy-device-gateway

Tool TypeScript

Self-hosted energy gateway with live browser dashboard, secure login, normalized meter payloads, and IAMMETER-compatible forwarding for selected LAN devices.

energy-device-simulator

Tool TypeScript

Local protocol simulator for IAMMETER, Shelly, and Fronius test flows, with a compact browser console and deterministic runtime data for gateway and dashboard validation.