Method for improved controlling of electrical power usage by at least one power consuming device (20, 21, 22, 23) being connected - via a telecommunications network - to at least one electrical power generating and/or storing means, wherein additionally an electrical power transmission means serves to transmit electrical power between the at least one electrical power generating and/or storing means and the at least one power consuming device (20, 21, 22, 23), wherein the electrical power generating and/or storing means is associated with an expected and a current electrical power supply profile, and wherein an electrical power management entity is coupled - via the telecommunications network - to the at least one power consuming device (20, 21, 22, 23) such that demand of electrical power consumption by the at least one power consuming device (20, 21, 22, 23) is influenced, by the electrical power management entity, by means of transmitting electrical power control information between the electrical power management entity and the at least one power consuming device (20, 21, 22, 23), wherein -- in a first step, an electrical power consumption profile information is transmitted to or accessed by the electrical power management entity, the electrical power consumption profile information being related to the at least one power consuming device (20, 21, 22, 23) or to a mode of operation thereof, -- in a second step, subsequent to the first step, a first and/or a second electrical power control information is transmitted, by the electrical power management entity, to the at least one power consuming device (20, 21, 22, 23), the first electrical power control information indicating to activate a power consumption mode of operation corresponding to the electrical power consumption profile information transmitted to or accessed by the electrical power management entity, whereas the second electrical power control information indicating to modify or to adapt a power consumption mode of operation of the power consuming device (20, 21, 22, 23), the method is characterized by: the electrical power management entity transmits, dependent on the electrical power consumption profile information, the electrical power control information to the at least one power consuming device (20, 21, 22, 23) such that the demand of electrical power by the at least one power consuming device (20, 21, 22, 23) is influenced by means of postponing or preponing expected future demand of electrical power such that differences between current supply and demand of electrical power are as low as possible and as non-volatile as possible, wherein prior, during or after the first step, an electrical power request information is transmitted to or accessed by the electrical power management entity, the electrical power request information being related to both a user interaction and the at least one power consuming device (20, 21, 22, 23), wherein the electrical power management entity transmits, dependent on the electrical power request information, the electrical power control information to the at least one power consuming device (20, 21, 22, 23) such that the demand of electrical power by the at least one power consuming device (20, 21, 22, 23) is influenced. -- in a first step, an electrical power consumption profile information is transmitted to or accessed by the electrical power management entity, the electrical power consumption profile information being related to the at least one power consuming device (20, 21, 22, 23) or to a mode of operation thereof, -- in a second step, subsequent to the first step, a first and/or a second electrical power control information is transmitted, by the electrical power management entity, to the at least one power consuming device (20, 21, 22, 23), the first electrical power control information indicating to activate a power consumption mode of operation corresponding to the electrical power consumption profile information transmitted to or accessed by the electrical power management entity, whereas the second electrical power control information indicating to modify or to adapt a power consumption mode of operation of the power consuming device (20, 21, 22, 23),