A distributed energy conversion system, wherein the distributed energy conversion system comprises: • at least a first energy conversion entity (EWE 1), a second energy conversion entity (EWE 2), a third energy conversion entity (EWE 3), • with the energy conversion entities (EWE 1, EWE 2, EWE 3) being interconnected via an energy exchange network, • wherein the distributed energy conversion system is arranged to add or remove dynamically at least one of the energy conversion entities out of the group comprising the first energy conversion entity (EWE 1), the second energy conversion entity (EWE 2) and the third energy conversion entity (EWE 3) to / from an aggregation of the energy conversion system, • further comprising an evaluation entity, • wherein the energy conversion entities (EWE 1, EWE 2, EWE 3) and the evaluation entity each comprise a communication unit, • wherein the communication unit of the evaluation entity is arranged to communicate with the energy conversion entities (EWE 1, EWE 2, EWE 3), • wherein the first energy conversion entity (EWE 1) comprises the properties of an energy supply element at a first point in time and the second energy conversion entity (EWE 2) comprises the properties of an energy consumption element, characterized in that • the first energy conversion entity (EWE 1) is arranged to make data concerning the provision of energy available to the evaluation entity, and wherein the data includes one or more of the following: availability period, available quantity, cost/unit of energy, amount of pollutant/unit of energy, and storage state for one or more future time periods, • the second energy conversion entity (EWE 2) is arranged to makes data concerning the consumption and/or use and/or storage of energy available to the evaluation entity, and wherein the data includes one or more of the following: consumption period, consumed quantity, and stored quantity for two or more future time periods, • the evaluation unit being arranged to subsequently perform an evaluation of the data that are made available in order to create a roadmap for the consumption of energy, and with the evaluation entity being a component of the first energy conversion entity (EWE 1) and/or a component of the second energy conversion entity (EWE 2). • at least a first energy conversion entity (EWE 1), a second energy conversion entity (EWE 2), a third energy conversion entity (EWE 3), • with the energy conversion entities (EWE 1, EWE 2, EWE 3) being interconnected via an energy exchange network, • wherein the distributed energy conversion system is arranged to add or remove dynamically at least one of the energy conversion entities out of the group comprising the first energy conversion entity (EWE 1), the second energy conversion entity (EWE 2) and the third energy conversion entity (EWE 3) to / from an aggregation of the energy conversion system, • further comprising an evaluation entity, • wherein the energy conversion entities (EWE 1, EWE 2, EWE 3) and the evaluation entity each comprise a communication unit, • wherein the communication unit of the evaluation entity is arranged to communicate with the energy conversion entities (EWE 1, EWE 2, EWE 3), • wherein the first energy conversion entity (EWE 1) comprises the properties of an energy supply element at a first point in time and the second energy conversion entity (EWE 2) comprises the properties of an energy consumption element, characterized in that • the first energy conversion entity (EWE 1) is arranged to make data concerning the provision of energy available to the evaluation entity, and wherein the data includes one or more of the following: availability period, available quantity, cost/unit of energy, amount of pollutant/unit of energy, and storage state for one or more future time periods, • the second energy conversion entity (EWE 2) is arranged to makes data concerning the consumption and/or use and/or storage of energy available to the evaluation entity, and wherein the data includes one or more of the following: consumption period, consumed quantity, and stored quantity for two or more future time periods, • the evaluation unit being arranged to subsequently perform an evaluation of the data that are made available in order to create a roadmap for the consumption of energy, and with the evaluation entity being a component of the first energy conversion entity (EWE 1) and/or a component of the second energy conversion entity (EWE 2).