METHOD FOR PROVIDING CONTROL POWER FOR AN ALTERNATING VOLTAGE SYSTEM BY MEANS OF AN ENERGY-GENERATING PLANT

An energy generation system provides balancing power for an AC voltage grid, and comprises a photovoltaic generator and an energy store, wherein the energy generation system exchanges a total electrical power with the AC voltage grid (), wherein the total power exchanged is set as a function of a current maximum PV power, a predefinable basic PV power between zero and the maximum PV power and a provided or requested balancing power. When no balancing power is requested: a total basic power, which comprises the basic PV power can be fed in; When a negative balancing power is requested: the PV power can be reduced compared to the basic PV power; When a positive balancing power is requested: a battery power can be drawn from the energy store if the requested positive balancing power is greater than the difference between the maximum PV power and the basic PV power.