The answer is blowing in the wind
For some time now, a wind of change has been blowing in the German state of Schleswig-Holstein. In 2014, the northernmost state of Germany was the country’s first ever to meet all of its power needs from renewable energy resources, according to Worldwatch Institute Europe.
Twedt Wind Farm, near the Danish border, has been an important power source for Schleswig-Holstein since the blades started turning in 1995. How have they beenmaintained over the years? Recently, a switch was made from manual inspection to aerial inspection by drones. We joined drone pilot and agricultural specialist Philipp Dethleffsen-Jürgensen, owner of SkyTec, to find out how he does it.