Energy storage arrangement for an electric load which exchanges electrical power with an energy supply network, - having at least two connections (6a,b) serving for the parallel connection to the load and the energy supply network, - and having a converter which is connected between the connections (6a,b), is voltage-impressed and contains an energy store, - wherein the energy store is designed to store an energy amount (E 1 +E 2 +E 3) which exceeds that necessary for the regular operation of the converter by a multiple, - wherein the energy store contains various partial stores (14a-c) with different charging speeds (V 1-3) from each other and storage capacities for different energy amounts (E 1-3), - wherein a partial store (14a-c) with a lower charging speed (V 1-3) is connected in series downstream to a partial store (14a-c) with a higher charging speed (V 1-3) in relation to the converter, characterised in that - the energy store has a conventional storage capacitor as a first partial store, a capacitor store containing a plurality of supercapacitors as a second partial store and a battery store containing a plurality of batteries as a third partial store, - the storage capacitor is designed to store an energy amount (E 1) which is in the range of that necessary for the regular operation of the converter, and a background store formed from the second and third partial stores (14b,c) exceeds this energy amount by a multiple, - the three partial stores (14a, 14b, 14c) are directly connected in a cascaded series connection, - the storage capacitor is directly connected in the converter as a first partial store, and - a charging circuit (28b, 28c) is in each case arranged between the first partial store and the second partial store as well as between the second partial store and the third partial store. - having at least two connections (6a,b) serving for the parallel connection to the load and the energy supply network, - and having a converter which is connected between the connections (6a,b), is voltage-impressed and contains an energy store, - wherein the energy store is designed to store an energy amount (E 1 +E 2 +E 3) which exceeds that necessary for the regular operation of the converter by a multiple, - wherein the energy store contains various partial stores (14a-c) with different charging speeds (V 1-3) from each other and storage capacities for different energy amounts (E 1-3), - wherein a partial store (14a-c) with a lower charging speed (V 1-3) is connected in series downstream to a partial store (14a-c) with a higher charging speed (V 1-3) in relation to the converter, - the energy store has a conventional storage capacitor as a first partial store, a capacitor store containing a plurality of supercapacitors as a second partial store and a battery store containing a plurality of batteries as a third partial store, - the storage capacitor is designed to store an energy amount (E 1) which is in the range of that necessary for the regular operation of the converter, and a background store formed from the second and third partial stores (14b,c) exceeds this energy amount by a multiple, - the three partial stores (14a, 14b, 14c) are directly connected in a cascaded series connection, - the storage capacitor is directly connected in the converter as a first partial store, and - a charging circuit (28b, 28c) is in each case arranged between the first partial store and the second partial store as well as between the second partial store and the third partial store.