Device Comparison
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.
Use this comparison when choosing the easiest HomeWizard path: plug into the utility smart meter, or add a dedicated DIN-rail meter for a circuit, solar inverter, EV charger, or heat pump.
| Decision point | HomeWizard P1 Meter | HomeWizard kWh Meter 1-Phase |
|---|---|---|
| Install fit | ||
| Phase support | Reads 1-phase or 3-phase data from a compatible smart meter P1 port | Single-phase circuits |
| Installation | Plug-in P1-port smart meter reader | DIN-rail direct-connected Wi-Fi kWh meter |
| Measurement | Smart-meter P1 telemetry reader; not an inline current-carrying meter | Direct-connected 1-phase import/export energy meter |
| Max current | 0 A | 100 A |
| Monitoring | ||
| Protocol | Wi-Fi / Local API | Wi-Fi / Local API |
| Local API | Yes | Yes |
| Cloud dependency | Optional cloud; HomeWizard local API can be enabled for local systems. | Optional cloud; HomeWizard local API can be enabled for local systems. |
| Home Assistant | Yes | Yes |
| Solar fit | ||
| Solar import/export | Yes | Yes |
| Buying context | ||
| Price range | About EUR 25-EUR 40 | About EUR 30-EUR 60 |
| Availability | Netherlands, Belgium, selected European markets | EU, UK, selected European markets |
Verdict
Choose HomeWizard P1 Meter if the utility smart meter already exposes the data you need. Choose the kWh Meter 1-Phase when you need dedicated circuit or inverter metering that the P1 port cannot separate.