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Size a solar array and estimate savings and payback under Polish net-billing: self-consumption, a deposit at market price × 1.23 and refunds.
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moc kWp = zużycie roczne ÷ uzysk kWh/kWpautokonsumpcja = produkcja × udział (maks. zużycie); oszczędność = autokonsumpcja × cena z rachunkudepozyt = nadwyżka × RCE × 1,23; wykorzystany = min(depozyt, energia kupiona × cena energii czynnej)zwrot = min(niewykorzystany depozyt, depozyt × limit zwrotu)okres zwrotu = (koszt instalacji − dotacja) ÷ roczna oszczędnośćWorked example
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Solar PV calculator provides a quick, transparent estimate with inputs you control.
