This paper analyses the current state of research in the domain of energy informatics. The intention is to provide a structured overview of the existing body of knowledge in the investigated field. To accomplish this, the authors employed a literature analysis including major and relevant outlets from the IS and business study disciplines. In total, 109 papers were found. To illustrate the state of the art of the discipline, the authors develop a concept matrix showing the used methods and investigated units of analysis. On that basis, the agenda for future focused research opportunities is laid out.