Quick answer: A 1KW solar system of this configuration produces about 6.3KWH per day from 3x350W monocrystalline panels and driven by a 1KW/1.5KVA inverter. Built by Mars Solar (factory since 2008), CE/ROHS certified, 25-year panel life, shipped factory-direct to 130+ countries.
A few days ago, the German Federal Grid Agency (Bundesnetzagentur) announced the results of the fourth rooftop photovoltaic tender, with a scale of 300 kilowatts to 750 kilowatts Mppt Solar Power System.

It is understood that the German Federal Grid Agency reviewed bids with a total capacity of 767 MW and selected projects with a total capacity of 201 MW, with final prices ranging from 0.0820 euros/kWh to 0.0891 euros/kWh, with a final average price of 0.084 EUR.
In its first PV tender in July 2021, the agency received 168 bids for a total capacity of 213 MW, and 114 projects were selected for a total of 152 MW, with final prices ranging from €0.0535/kWh to €0.0789 /kWh, with an average price of EUR 0.0688.

In its second PV tender in January 2022, the agency received 209 bids with a total capacity of 233 MW and selected 136 projects with a total capacity of 154 MW, with final prices ranging from €0.0570/kWh Ranging from 0.0828 EUR/kWh, the average price was 0.0743 EUR.
In the third fiscal year, which took place last May, final prices ranged from €0.07/kWh to €0.0891/kWh.
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