Abstract: An electrical energy storage device (1) includes several capacitors (2), and a busbar (5) for electric power distribution, wherein the busbar (5) is covered at least partially by an insulation layer (21) and the capacitors (2) are connected to the busbar (5). The capacitors can be arranged on the busbar for reducing an inductance. In particular, the capacitors can be arranged directly on the insulation layer (21) of the busbar (5).