A wheelchair lift with low energy consumption, comprising: - a platform assembly to receive a wheelchair, - a lifting assembly to move the platform assembly between an entry level position and a ground level position which is below the entry level position, wherein the lifting assembly comprises a hydraulic drive system (21, 22), - a tank to provide a hydraulic fluid, - a pump to pump the hydraulic fluid from the tank to the hydraulic drive system (21, 22), - an electric motor to drive the pump, wherein the electric motor comprises a terminal to apply an operating voltage to operate the electric motor for driving the pump, - a fluid circuit being embodied to transport the hydraulic fluid from the tank to the hydraulic drive system (21, 22) to raise the platform assembly from the ground level position to the entry level position, - a control circuit, - wherein the fluid circuit is further embodied to transport the hydraulic fluid from the hydraulic drive system (21, 22) via the pump to the tank, when lowering the platform assembly from the entry level position to the ground level position, - wherein the pump comprises an impeller wheel, - wherein the electric motor is embodied to drive the impeller wheel in a first rotating direction to transport the hydraulic fluid from the tank to the hydraulic drive system (21, 22), - wherein the pump is embodied so that the impeller wheel rotates in a second rotating direction, when the hydraulic fluid flows from the hydraulic drive system (21, 22) to the tank, - wherein the electric motor is embodied to be operated in a voltage generation mode to provide a supply voltage at the terminal, when the impeller wheel rotates in the second rotating direction, - wherein the electric motor is embodied to provide the supply voltage in dependence on a rotational speed of the electric motor, when the electric motor is operated in the voltage generation mode, - wherein the control circuit is embodied to regulate the rotational speed of the electric motor in dependence on at least one of a detected lowering speed of the platform assembly or a detected fluid pressure in the fluid circuit, when the electric motor is operated in the voltage generation mode. - a platform assembly to receive a wheelchair, - a lifting assembly to move the platform assembly between an entry level position and a ground level position which is below the entry level position, wherein the lifting assembly comprises a hydraulic drive system (21, 22), - a tank to provide a hydraulic fluid, - a pump to pump the hydraulic fluid from the tank to the hydraulic drive system (21, 22), - an electric motor to drive the pump, wherein the electric motor comprises a terminal to apply an operating voltage to operate the electric motor for driving the pump, - a fluid circuit being embodied to transport the hydraulic fluid from the tank to the hydraulic drive system (21, 22) to raise the platform assembly from the ground level position to the entry level position, - a control circuit, - wherein the fluid circuit is further embodied to transport the hydraulic fluid from the hydraulic drive system (21, 22) via the pump to the tank, when lowering the platform assembly from the entry level position to the ground level position, - wherein the pump comprises an impeller wheel, - wherein the electric motor is embodied to drive the impeller wheel in a first rotating direction to transport the hydraulic fluid from the tank to the hydraulic drive system (21, 22), - wherein the pump is embodied so that the impeller wheel rotates in a second rotating direction, when the hydraulic fluid flows from the hydraulic drive system (21, 22) to the tank, - wherein the electric motor is embodied to be operated in a voltage generation mode to provide a supply voltage at the terminal, when the impeller wheel rotates in the second rotating direction, - wherein the electric motor is embodied to provide the supply voltage in dependence on a rotational speed of the electric motor, when the electric motor is operated in the voltage generation mode, - wherein the control circuit is embodied to regulate the rotational speed of the electric motor in dependence on at least one of a detected lowering speed of the platform assembly or a detected fluid pressure in the fluid circuit, when the electric motor is operated in the voltage generation mode.