METHOD FOR OPERATING A PROCESS PLANT AND CORRESPONDING PROCESS PLANT

The invention relates to a method for operating a process plant (200), the process plant comprising one or multiple plant components (212) operated by providing electrical power received from a grid or isolated network in order to perform one or multiple processes (202), wherein the process plant (200) is configured to operate at a load up to a given maximum plant load, the method comprising: Controlling the one or at least one of the multiple processes (202) by providing electrical power to the respective plant component (212) based on variable load operating information (272), within a variable load control mode (270), and based on base load operating information (262), within a base load control mode (260), wherein, within the base load control mode, the process plant is operated at a load only up to a maximum base load, wherein the given maximum base load is less than the maximum plant load; wherein the variable load control mode (270) further comprises: Providing load availability information (272) about a currently used load at which the process plant is operating and/or about a currently available load which the process plant can in addition be operated at, preferably to a grid service provider (290); if additional load is demanded to be assigned to the process plant, Receiving load demand information (276) in response to providing the load availability information; and Adapting the variable load operating information (272) based on the load demand information (276).