Jena: Large-scale heat pump for wastewater heat in Zwätzen
Stadtwerke Energie Jena-Pößneck are refining their plans to utilize wastewater heat for the municipal heating network, centered on the ANIKA project.
Climate Protection
New Energy and Heat Competence Center opened in Jena
Jena has established a central hub for the energy transition. The Energy and Heat Competence Center (EWK) serves as a pilot project to connect citizens, tradespeople, and planners until the end of 2027.
European Mobility Week kicks off in Jena
Jena is once again participating in the European Mobility Week with a diverse program. Under this year’s motto ‘Mix and Move! – climate-friendly mobility’, the city administration and numerous local partners are inviting residents to explore sustainable modes of transport.
European Mobility Week 2026 in Jena
Under the motto ‘Mix and Move! – climate-friendly mobility’, the city of Jena is participating in the European Mobility Week again this year. From September 16 to 22, 2026, the administration, associations, initiatives, and companies are hosting numerous events to showcase sustainable alternatives in urban transport.
Jena: Register now for STADTRADELN 2026
The city of Jena is participating in the international STADTRADELN campaign for the 15th time. From August 28 to September 17, 2026, residents, employees, and students are invited to cycle for climate protection.
Microbial Frugality: Research from Jena Protects Water
A research team at Friedrich-Schiller-Universität Jena has discovered how microorganisms in groundwater survive under extreme nutrient scarcity, providing new insights into the stability of vital water resources.
Jena: City Council approves electric bus fleet
Jena, 06.07.2026 – The Jena City Council has passed a landmark resolution for the full electrification of the municipal bus fleet. Future vehicle acquisitions must be exclusively fully electric to advance local climate protection efforts.
Jena Sets the Course: Bus Fleet to Become Fully Electric
Jena, July 4, 2026 – The city of Jena is initiating the systematic decarbonization of its bus network: in the future, all new fleet acquisitions will consist exclusively of electric buses.
Jena Launches Solar Campaign “Solar Empowerment 2.0” for Homeowners
Jena, June 26, 2026 – The city of Jena, together with Thuringian districts, the Universität Erfurt, and the Thuringian Energy and GreenTech Agency (ThEGA), is launching the information campaign “Solar Empowerment 2.0”. The initiative aims to make the entry into self-generated solar power as barrier-free and transparent as possible for homeowners.
Save Jena’s Green Lungs: Online Petition Launched Against Development of Allotment Gardens
A new online petition on the platform openPetition is currently mobilizing citizens in Jena against the increasing development of urban green spaces. The initiative seeks to protect local allotment gardens from being converted into building land for investor projects.