A method of controlling a multivalent energy supply system, said multivalent energy supply system comprising at least: - at least two energy generators (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) using at least two different energy carriers to provide at least two of the energy forms of heat, cold, and electrical energy; - for each energy generator, a closed-loop controller (R1-R5) for controlling controlled variables of said energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); and - each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) being able to assume three possible switching states: the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) must be switched on, the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) must be switched off, the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) may be switched on or off; - a control device for coordinatedly controlling the closed-loop controllers (R1-R5), wherein said control device performs the following method steps: - detecting at least one energy supply request for at least two of the energy forms of heat, cold, and electrical energy; - for each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1), determining if there is an energy-generator-specific criterion specifying exactly one of the three possible switching states for the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); characterized by - determining whether there is more than one energy supply request for an energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); - if there is more than one energy supply request for an energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1): determining which of said energy supply requests should be prioritized; - for each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1), determining target values for meeting the at least one energy supply request depending on the prioritized energy supply requirement and the energy-generator-specific criterion; and - outputting said target values to said closed-loop controllers (R1-R5). - at least two energy generators (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) using at least two different energy carriers to provide at least two of the energy forms of heat, cold, and electrical energy; - for each energy generator, a closed-loop controller (R1-R5) for controlling controlled variables of said energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); and - each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) being able to assume three possible switching states: the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) must be switched on, the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) must be switched off, the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1) may be switched on or off; - a control device for coordinatedly controlling the closed-loop controllers (R1-R5), wherein said control device performs the following method steps: - detecting at least one energy supply request for at least two of the energy forms of heat, cold, and electrical energy; - for each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1), determining if there is an energy-generator-specific criterion specifying exactly one of the three possible switching states for the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); characterized by - detecting at least one energy supply request for at least two of the energy forms of heat, cold, and electrical energy; - for each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1), determining if there is an energy-generator-specific criterion specifying exactly one of the three possible switching states for the energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); characterized by - determining whether there is more than one energy supply request for an energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1); - if there is more than one energy supply request for an energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1): determining which of said energy supply requests should be prioritized; - for each energy generator (E1-E5, B1, B2, G1, G2, H1, H2, O1, O2, W1), determining target values for meeting the at least one energy supply request depending on the prioritized energy supply requirement and the energy-generator-specific criterion; and - outputting said target values to said closed-loop controllers (R1-R5).