"Addition figures from the past 12 months, with 1,437MW, are far below the legally set target corridor of 2,400 to 2,600MW [per year]. As a consequence, support levels for the first time are stagnating," says Peter Franke, vice-president of federal network agency BNetzA.

Feed-in tariff (FIT)-based support sinks more steeply if PV additions are above the government target, and remains steady if new additions are well below it.

The