Photovoltaic-based power system

The present invention relates to a photovoltaic power installation configured to deliver power to a power distribution grid at a point of common coupling, the photovoltaic power installation comprising means for determining an amount of self-consumed power of the photovoltaic power installation, and a first power inverter configured to generate power in accordance with 1) the determined amount of self-consumed power, and 2) a power level to be delivered at the point of common coupling. The invention further relates to an associated method.