25 years of EEG: A roller coaster of feelings and turnover

On 1 April 2000, the EEG came into force. We talked to installers who were already present at the time. Today: Arne Hagemann has always kept his specialist company small and put his offer on a broad scale. He continues to drive well today.From Ina Röpcke From great joy to tears: The photovoltaic market with its extreme fluctuations arouses strong emotions. Arne Hagemann, Managing Director of Backhaus Solartechnik GmbH in Hamburg, reports about t…