A method of determining the resource efficiency of a plant for the production of drinks containers, wherein the plant has at least one resource-consuming part, wherein the part of the plant is operated at least for a time in a first operative state (B1) in which a product is produced and the part of the plant has a first resource consumption (V1) in this operative state (B1), and wherein the part of the plant is operated at least for a time in a second operative state (B2) and has a second resource consumption (V1) in this second operative state (B2), wherein at least one first resource consumption (V1) capable of being allocated to the first operative state (B1) and at least one second resource consumption (V2) capable of being allocated to the second operative state (B2) determined and the resource consumption (V1, V2) is allocated to the operative states (B1, B2). According to the invention a value characteristic of the resource efficiency of the part of the plant is determined while taking into consideration the first resource consumption (V1) and the second resource consumption (V2).