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.

Energievision Frankenwald