24 hours 7 days 30 days 365 days

SMA Sunny Tripower inverter with two strings, read every minute by smaread over Speedwire. Consumption is calculated as generation + grid import - grid export. Last sample 2026-09-29 00:59, lifetime yield 39806 kWh (micro inverter 733 kWh, together 40.5 MWh).

Generation and consumption

PV generation and consumption

Grid exchange

Export to the grid is positive, import is negative.

Grid export and import

Yield per day

PV yield per day over the last 30 days

Strings

DC power of both strings

Phases

AC power per phase

Grid voltage and frequency

Grid voltage per phase
Grid frequency

Micro inverter

A Hoymiles HM-400 micro inverter with one 460 Wp panel, read every minute from an OpenDTU over its 2.4 GHz radio. Now 0 W, the panel delivers n/a of its rated power, conversion efficiency n/a, inverter temperature 31.3 °C.

Micro inverter power
Micro inverter yield per day over the last 30 days

Efficiency

Share of the panel’s DC power that reaches the grid as AC power, shown when the panel delivers at least 10 W.

Micro inverter efficiency

Grid voltage at the inverter

The micro inverter feeds a single socket. Its voltage against the three phases at the house connection shows how much the feed-in raises the voltage on that line.

Grid voltage at the micro inverter

DTU link

Wifi signal of the OpenDTU (now n/a). Grey marks show when the DTU was not reachable.

OpenDTU wifi signal and outages

Inverter events

The last events reported by the inverter.

No events logged yet.