Renewables
The Abseilers
4. March 2024
The Abseilers
Anyone who wants to teach wind turbine generators their power-generating manners has to go right to the top from time to time to install or check that everything is in…
Regaining the wind
10. November 2023
Regaining the wind
What actually happens to old wind turbine generators when they are dismantled? While self-proclaimed experts with a healthy half-knowledge claim that countless tons of hazardous waste are produced here, we…
The Great Wall
30. October 2023
The Great Wall
It’s cold up here. Icy cold. An almost unreal atmosphere lies over the Valle di Lei. In the background, Pizzo Stella rises in the Oberhalbsteiner Alps. The pressure of 200…
Solar Change
5. January 2023
Solar Change
Portugal produces more than half of its electricity from renewable energy sources. The southern European country achieves this considerable quota primarily with wind and hydropower. The power of the sun…
Icarus’ chariot
23. November 2021
Icarus’ chariot
It’s impossible to get too close to the sun when the RWTH Aachen University and FH Aachen University’s solar-powered car starts moving. But the flirtation with the fire in the…
Hot washed
16. November 2021
Hot washed
Lithium is the gold of the 21st century. The modern world demands its use on a massive scale, for example in large-volume batteries. How nice it would be if the…
It does not work without Chile
21. June 2021
It does not work without Chile
The vision of an All Electric Society, in which fossil fuels are replaced by intelligently networked regenerative energy generation, cannot be realized without Chile. Chile is the world’s largest copper…
Berries from Büren
7. June 2021
Berries from Büren
A cold day in May, near Paderborn – on-site visit to the field. In icy wind and hail, we take the opportunity to visit a project that is unique in…
Special issue of the UPDATE
27. May 2021
Special issue of the UPDATE
With the growth of renewable energies, the limits of wind power plants are pushing further and further into regions that are not without their pitfalls in terms of climate. When…
Solar on wet feet
18. February 2021
Solar on wet feet
When it gets too narrow for the solar power plants on land, they go out on the water. At least that’s the case near the Dutch town of Zwolle. Stable…
Nezzy – the Loch Geestland monster
2. November 2020
Nezzy – the Loch Geestland monster
Until now, wind turbines have been considered a rock-solid affair. Anchored unshakably in the ground, the tower, the movable nacelle and the three rotor blades defy the forces of wind…
Craftsmanship at the Abyss
1. July 2020
Craftsmanship at the Abyss
What use is the most functional, practical and clever system, the most sophisticated control electronics and the most sophisticated sensor technology if they are not attached by expert hands where…
Against the flow
18. June 2019
Against the flow
The Südlink (south link) trunk line is going ahead. The aim of the project is to bring regenerative electricity to the south of Germany. In the north, it’s not just…
The CO2 collector
12. March 2019
The CO2 collector
Visitors to this year’s Wind Power Technology Congress were fascinated by Jörg Spitzner’s vision of a wind turbine that not only generates electricity, but also extracts CO2 from the air.…