PERC solar cell made from 100 per cent recycled silicon.
© Peter Dold, Fraunhofer CSP

Photovoltaics
World Recycling Day: Recycled silicon for new solar cells

Researchers have developed a method with which silicon can be recovered from retired solar modules and recycled.

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Monopile foundations are driven into the seabed by a special vessel.
© Oliver Kranz

Wind power
Innovative production of monopile foundations reduces costs

Teams of scientists are optimising the manufacturing process of monopiles, heavy steel pipes for offshore wind turbines, to reduce costs.

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An expander, turbomachine, in an industrial hall
© MAN Energy Solutions SE

Thermal power plants
Turbomachinery for green fuels and energy storage

The TurboGrün project is conducting research on efficient gas turbines and turbomachinery powered by hydrogen or natural gas-hydrogen mixtures.

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Matrix shingle modules on a building facade
© M10 Industries AG

Photovoltaics
Shingle solar modules: innovatively interconnected and industrially producible

A new matrix shingle concept combines silicon solar cells and offers maximum yield on a small area.

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Solar calcination reactor on a test rig
© DLR, CC BY-NC-ND 3.0

Solar thermal power plants
Producing cement with solar energy

In the CemSol research project, a team of scientists is developing and demonstrating a solar-heated calcination plant to produce cement.

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The aerial view shows the 350-tonne drilling rig that is used at the Geretsried location.
© Tobias Backers, RUB

Geothermal energy
Successful field test of the hot dry rock method

The research team of the joint project ZoKrateS makes the energy of hot rock layers accessible through hydraulic stimulation.

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The photo shows the measuring system installed on the nacelle of a wind turbine.
© Universität Stuttgart

Wind energy
Floating offshore wind turbine in a field test

Teams of scientists from France and Germany are analysing measurement data from a floating wind turbine in a joint research project.

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Symbol photo shows commercial wood pellets.
© maho - stock.adobe.com

Bioenergy
Generating power with biogenic waste

How can bio-waste be used for energy on site? Researchers developed a mini combined heat and power generation concept with a Stirling engine.

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The photo shows wind turbines at sea.
© agrarmotive - stock.adobe.com

Wind power
Repowering for offshore wind turbines

Scientists want to expand offshore repowering and use existing foundations for this purpose.

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