This is my third question in the series "Saturnian Cloud Cities", the previous question is "Ice Harvester Planes"
The Saturnian cloud city consists of a giant Titanium-Graphene zeppelin-like structure, which is filled with hot hydrogen
I am not using blimps here, as they will be torn apart by the tremendous winds . The hydrogen gas is heated by long geothermal cables that dip down into the lower atmosphere to harvest Saturn's immense heat. The geothermal cables are attached with large copper blocks that act as an anchor to hold the ship in place. Since the wind speeds on Saturn are tremendous, about 1,700 mph, the colony uses massive titanium turbines that spin to produce electricity for the colony. Details come from my first question in the series. A diagram for reference.
However, on my first question, I received an answer that said that wind turbines would be negated, as the city is moving with the wind, and thus the relative wind speed would be zero. Even after using the copper anchor, the city would be moving along with the wind, as there is no friction to slow it down.
How do I solve the problem of the negation of wind-turbine? If not, then what alternative electricity source must I use in place of it?
EDIT: I completely forgot that the copper chunks are there mainly for anchoring the ship by acting as heavyweights, and conducting heat is only a unintended byproduct.