Energy management projects supported by KMD EnergyKey, including behavioral regulation, often have savings potential of 10-30% and a typical payback period of 1-2 years. In Aarhus Municipality, KMD EnergyKey has helped obtain great savings in connection with an intelligent energy project. The primary focus areas have been benchmarking of performance, reduction of water consumption and reduction of cooling. In this case, the role of KMD EnergyKey has been to collect, validate and organize data from several data sources. The solution also has several applications for data use and analysis.