The AD Net Heat project models heat flows, predicts load peaks, and supports planning for complex, decentralized district heating networks with renewables.

In the BAU-DNS project, seven Fraunhofer institutes develop sustainable, modular refurbishment methods for buildings and present solutions at BAU 2025 in Munich.

The technology is assisting in the process of validating and certifying turbines and is supporting the transformation of the energy supply with a view to using more renewable energy sources.

Fraunhofer researchers have developed a solution that combines power from renewable sources with electricity from the public grid and uses batteries to compensate for fluctuations.

The smoodACT joint research project designed, developed and tested a building and district energy management system.

The new cloud software retoflow offers energy network operators an automated and efficient way to check these requests, model and simulate power grids and pipeline networks across sectors, and engage in long-term planning.

Large power stations with their large synchronous generators provide stability in the power grid, but are being successively powered down in the course of the energy transition. In order to address this issue, researchers at the Fraunhofer Institute for Solar Energy Systems ISE are working on how grid-forming converters can ensure a future supply of sinusoidal alternating current and stable grid frequency.

Fraunhofer researchers have developed an intelligent coating for glass windows that darkens in the sun. This uses electrochromic and thermochromic materials that react to electricity and heat. In buildings with large glass façades, it stops the rooms from getting too hot because of solar radiation, thereby reducing the demand for energy-intensive air conditioning.

In the OmniConnect project, Fraunhofer researchers are working with other partners on networking objects in indoor areas. They are doing this using radar beams and passive tags that are attached to moving objects, but also to people. This technology effectively detects the positions of the tags and therefore of the objects as well. It can also be used in the care sector, to avert dangers to people who are prone to falling.

The disinfection robot BALTO — named after a sled dog who carried urgently needed vaccines to a highly inaccessible region of Alaska a hundred years ago — is capable of disinfecting door knobs and similar objects. It does this autonomously, reacting to human beings in the surrounding area at the same time. An interface with the Building Information Modeling (BIM) process makes this possible.