German Cooperative and Raiffeisen Confederation – reg. assoc. German society for solar energy section Berlin Brandenburg Free and Hanseatic City of Hamburg – Ministry of Environment and Energy; General Directorate of Nature Conservation, Landscape Architecture & Energy Division; NGE1 Landscape Planning and Urban Green Institute for Climate Protection, Energy and Mobility (IKEM) Climate Alliance (CA) International Journalists’ Programmes The Nature Conservancy in Europe 100 percent renewable foundation Forum Ökologisch-Soziale Marktwirtschaft e.V. Bündnis Bürgerenergie e.V.