A solar well went into operation a few days ago in Dêrik in Northern and Eastern Syria. The well in the Şehid Xebat district is a central component of the district’s water supply after the infrastructure in large parts of the region was destroyed by air strikes by the Turkish military. The project, funded by the Berlin State Office for Development Cooperation (LEZ), was implemented by the Berlin twin town partnership Friedrichshain-Kreuzberg – Dêrik together with the city administration in Dêrik and the “Make Rojava Green Again” initiative.
I just looked up the Wikipedia article on it. They seem to have started the partnership in 2019. So when it was part of Rojava for a long time.
Turkey has used Embargo & water shortage: Water as weapon:
In 2015, Turkey started to use water as a weapon against Rojava by holding back the water on the rivers which flow from Turkey to Syria through the dams it has been building over the last twenty years.
See also:
On 20 September 2017, the district parliament (BVV) of Friedrichshain-Kreuzberg endorsed the proposal to enter into a town twinning with Dêrik in northern Syria. At the time, this was unique in Germany.