To promote the use of renewable energies by companies, the government of Wallonia provides subsidies covering 15% of investment costs in the following renewable energy sources: -Solar energy -Wind energy -Hydropower -Energy produced form industrial and urban waste -Biomass, including biofuels -Geothermal energy IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]