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Message: <blockquote data-quote="Ronski" data-source="post: 559859" data-attributes="member: 26649">I've not read the complete thread, but you are wrong on the above statement*. I currently have 11.5 kWp hanging off a 8kW Quattro inverter, well strictly speaking the panels hang off the MPPT solar charge controllers.It's unlikely due to orientation and pitch that the panels will produce the full power, but even if they could the SCC controllers will only draw what they require (actually what the batteries and inverter require), and no more. If mine do exceed 8kW in the summer then I will balance generation by exporting some and using some to charge the batteries, thus increasing maximum generation.Due to the way Victron system works, the inverter can have far more solar connected than its rating suggests, and lots of other inverters can be over paneled, you just need to check the specs. Over paneling boosts winter production.My system gives full house back up, I have a 3.68kW SolaerEdge inverter, 8kW Quattro, 29 kWh of batteries, and 15.5kWp of panels.*I may have misunderstood, if the 16kW is the load from the showers, then the system will just draw the excess from the grid, unless off grid, then the inverter will shut down due to overload.</blockquote>