Single-Phase vs Three-Phase Energy Monitoring for Home Assistant
Understand single-phase versus three-phase Home Assistant energy monitoring, grid import and export, correct phase matching, CTs, solar, EVs and meter selection.
How to Choose Current Transformers for a Home Energy Monitor
How to choose CT clamps for Home Assistant: 50 mA vs 333 mV outputs, 20–200 A sizing, Shelly/Emporia compatibility, solar direction, accuracy and safety.
Shelly Pro 3EM vs Emporia Vue: Local Control, Monitoring and Total Cost
Shelly Pro 3EM versus Emporia Vue 3: compare local control, cloud dependency, 16-circuit monitoring, Ethernet, Home Assistant support, solar and total installed cost.
Shelly Pro 3EM vs Shelly EM: Whole-Home and Circuit Monitoring Compared
Compare Shelly Pro 3EM 120A v2 with Shelly EM Gen3 for Home Assistant: phase support, CT bundles, Ethernet, local control, energy logging and total installed cost.
Best Home Energy Monitors for Home Assistant: Shelly vs Emporia vs Modbus
A practical 2026 guide to Shelly Pro 3EM and EM Gen3, Emporia Vue 3 and Modbus energy meters for Home Assistant, covering local access, phases, CTs, solar and installed cost.
PZEM-017 with ESP32 and ESPHome: RS485 DC Energy Monitoring
For a 12 V or 24 V solar system, an off-grid battery, or a DC distribution panel, watching the instantaneous voltage tells only part of the story. You may also want to know the current passing through a load, its…
INA260 with ESP32 and ESPHome: DC Current, Voltage and Power Without an External Shunt
INA228 with ESP32 and ESPHome: Battery Current, Amp-Hours and Energy Monitoring
Home Assistant Energy Dashboard Troubleshooting for ESPHome
Fix ESPHome sensors missing from the Home Assistant Energy dashboard: device_class, state_class, W vs kWh, total_increasing resets, statistics errors, integration sensors and broken history.