Kai Kappner


Research Assistant

Kai Kappner
Lehrstuhl für Controlling


Building: Sammelbau der Fakultäten 1+8

Room: 618

Templergraben 64

52062 Aachen


Phone: +49 241 80 93339
Fax Fax: +49 241 80 92167

Office Hours

Wed 1 - 2 pm, during the lecture-free days by appointment
Please note that changes will be published in the announcements
Currently, the members of the chair work in their home office as far as possible. If necessary, please contact us by e-mail to arrange an appointment.


Kai Kappner studied Business Administration and Mechanical Engineering at the RWTH Aachen University. His major field of studies was production management.

During his studies, he was scientific assistant at different chairs at the RWTH Aachen University, inter alia at the Chair of Management Accounting. He improved his knowledge of management accounting and sales by an internship at a medium-sized company.

Since October 2016 Kai Kappner is a research assistant at the Chair of Management Accounting.


Research Interests

  • Energy Accounting
  • Business Modeling
  • Corporate Social Responsibility

Supervised Projects


Supervised Courses



  • Kappner, K. / Letmathe, P. / Weidinger, P. (2019): Optimisation of photovoltaic and battery systems from the prosumer-oriented total cost of ownership perspective, in: Energy, Sustainability and Society 9, 44

Selected Presentations and Conference Distributions

  • Kappner, K. / Letmathe, P. / Weidinger, P.: Consumer-Oriented TCO Optimization for a Private Prosumer, Präsentation auf den UFZ EnergyDays 2018 „Energy Landscapes of Today and Tomorrow“ in Leipzig, 2018