Patrik conducts research in the area of end-use energy efficiency in industry, particularly towards industrial small- and medium-sized enterprises (SMEs) and non-energy-intensive manufacturing industry (NEIs) related to e.g. effective industrial energy policy design, barriers to and driving forces for industrial energy efficiency, industrial energy management practices, industrial energy audits, energy services in industry. In addition, he is also involved in various courses on graduate and post-graduate levels, in energy systems, modeling, auditing, and industrial energy systems.