The Display® software has been designed to be operated usually by the energy manager. Additionally, there is an online wiki users’ guide that offers step-by-step instructions, examples, figures, and a glossary to ensure that a layman is also able to use the tool. If any problems occur while using the Display® software the Display® team is at your disposal to answer your questions. However, concerning the collection of the necessary information, we assume that you have at least some very basic knowledge regarding energy matters.