Although feed-in tariffs (FITs) for renewable power output have been falling recently, costs will remain high for decades to come as FITs are often granted for a 20-year period, he told the Frankfurter Allgemeine Zeitung newspaper.

The design of Germany’s electricity market, which has the paradoxical effect of driving up support payments for renewables whenever a high green-power output pushes wholesale market prices down, also adds to the costs, he acknowledged.

“The