Dr. Alexandra Styles

Dr. Alexandra Styles

+49 (0)40 39 10 69 89-38

Doctorate in Economics | M.Sc. by Research, Global Environmental Change | Diploma in economics
Senior Consultant
Verification systems and marketing strategies for renewable energies


  • Further development of guarantee of origin systems
  • Granular guarantees of origin
  • Marketing strategies and support systems for renewable energies
  • Conceptual interfaces between climate balancing and guarantee systems
  • Evaluation of framework conditions for sector coupling and bioenergy policy
  • Heating policy

Dr Alexandra Styles is one of the leading experts in the field of guarantees of origin. At Hamburg Institut, she contributes her outstanding scientific skills as a senior researcher and has already led numerous research and consultancy projects. With a doctorate in economics, she specialises in the further development of Guarantees of Origin systems, support systems for renewable energies and complex issues relating to future climate accounting. She also researches and advises on the evaluation of framework conditions for sector coupling and bioenergy policy as well as on heating policy. As part of the ‘IW3’ research project funded by the Federal Ministry for Economic Affairs and Climate Protection, Dr Alexandra Styles is significantly involved in the development of Germany’s first register of guarantees of origin for green district heating.

Dr Alexandra Styles also actively contributes her knowledge to European and national standardisation work: In addition to participating in the DIN working group for the revision of EN 16325, she was Co-Chair of the Heating & Cooling Project Team at CEN/CENELEC JTC 14 Working Group 5 “Guarantees of Origin related to energy” from the end of 2020 to mid-2023.

Professional experience & qualification

Before joining Hamburg Institut in 2020, Dr. Alexandra Styles was a research associate in the field of bio-based raw materials at the Thünen Institute of Wood Research in Hamburg. As a postdoc at the Helmholtz Centre for Environmental Research – UFZ, she had previously investigated framework conditions for renewable energies and innovative material biomass uses. The topic of her dissertation, which she wrote at the UFZ in cooperation with the German Biomass Research Centre (DBFZ), was an institutional economic analysis of German and European bioenergy policy in the electricity, heat and transport sectors.