Our roof faces south-south-east so output tails off from mid afternoon. A modest battery ~5Kwh to cover the peak 4pm to 8pm (Agile Octopus) would average the import cost down to below what we get back from export most of the time.
What I like about the zappi is the automated management of the...
We are on grid. Went that size on the array because like others the cars not home every day. So wanted to maximise the amount on the days its home. Also we have micro inverters. Next step is hot water, then battery.
Yes I use a zappi in eco+ mode. From my 7.02 kwp pv system April was 882kwh, May so far 981kwh. 351kwh went into the mg5. You peeks at 7kw are boosting overnight on octopus agile. Every thing else is from the solar pv.
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