The 9th Regenerative Energy Technology Conference 2026 (RET.Con) will take place from 12 February 2026 to 13 February 2026 in Nordhausen.

The RET.Con is aimed at companies and research institutions in the field of renewable energies, which present topics from their current research and development work and discuss them in a scientific context.

Venue

The conference will take place on the campus of the Nordhausen University of Applied Sciences instead:

• Address: Weinberghof 4, 99734 Nordhausen
• Building: Building 34 (Lecture theatre 4)

Campus map Nordhausen University of Applied Sciences: https://www.hs-nordhausen.de/unsere-hsn/standort-und-campusplan/

Conference programme

The scientific programme is divided into seven sessions covering the spectrum of modern energy systems:

• Energy system modelling: This year's focus is on analysing time series and integrating flexibility into energy system models.
• Building energy supply: The focus here is on control concepts and operating experience with the interaction of different components.
• Sector coupling: Strategies for integrating sector coupling technologies and wood waste into energy infrastructures will be discussed.
• Energy storage: The sessions will cover current developments in battery research, bidirectional charging processes and innovative measurement methods for ice storage systems.
• Heat transition in Thuringia: Regionally focused articles analyse the potential of energy-efficient building refurbishment and local heat demand profiles.

A joint conference dinner will take place on Thursday evening following the conference programme. The detailed programme can be found in the attached programme:

Registration and conference fee

RegistrationBy 6 February 2026 by e-mail to

Fee200 € (incl. conference proceedings, catering and conference dinner).

Special regulationsThe fee is waived for lecturers. Students of Nordhausen University of Applied Sciences have free access to all sessions.

Parallel event: oemof User Meeting

Already from Wednesday, 11 February 2026, this year's oemof User Meeting takes place. It is dedicated to the further development of the framework through tutorials and user presentations. Mutual participation in the presentations at both events is expressly encouraged. Registration: ..