Abstract: A power plant, in particular a genset, comprising an internal combustion engine and a main generator drivable by the internal combustion engine, wherein the main generator is electrically connected to a power grid, the power plant further comprising an auxiliary generator drivable by the internal combustion engine, wherein a voltage connector of the auxiliary generator is connected with a first alternating voltage connector of a voltage converter, wherein a direct voltage connector of the voltage converter is connected with an electrical energy storage, wherein a second alternating voltage connector of the voltage converter is connected to the power grid.