Power flows
Work out where your power goes, such as how much solar powers the house.
Power flows work out where power is going from what your devices report: how much of your solar is powering the house, how much is charging the battery, how much the grid is charging the battery, and so on. Each flow becomes a metric you can graph, send to Home Assistant, or show on a display.
Adding power flows
Under Power flows, choose Add power flows and pick a metric for each input you have:
- Solar generation
- Battery charging and battery discharging
- Grid import and grid export
- House load
- EV charging
- Inverter mode, if your inverter reports it
You only get the flows your inputs allow. With no battery, there are no battery flows.
An integration for a hybrid inverter has Set up power flows on its page, which fills the inputs in from that inverter. A display can also do it: open it and choose Set up power flows, which uses the metrics in its sections and fills in its flow lines.
Modes
When more than one source could feed more than one place, the inverter's mode decides which comes first. In Self use, solar powers the house before charging the battery. In Force charge, the grid charges the battery.
metrd uses the mode the inverter reports if you've picked an inverter mode input. Otherwise it uses your Mode schedule, a set of windows by day and time, such as force charge from 00:30 to 04:30 every day. Outside any window, it uses Self use.
Open a set of power flows to see the mode it's using now and where that came from, the last 24 hours of each flow, and its value now.