Gorenje Orodjarna (GO) is a toolmaking company which produces die tools for automotive and household appliances industry. GO is participating in DENiM project to improve energy management of its assetss and processess. With the use of DENiM platform analysys tool tor energy consumption has been developed, enabling us to better track energy usage per machine and process. Based on a data gathering from energy sensors and process data, a energy consumption models have been developed. Decision support system has been  developed, which predicts energy consumption for a specific machine using process parameters and is able to assist in operational decision making, enabling the production planner to use the most optimal production path.