Primary energy consumption in Spain in 2020 was mainly composed of fossil sources. The largest sources are petroleum (42.3%), natural gas (19.8%) and coal (11.6%). The remaining 26.3% is accounted for by nuclear energy (12%) and different renewable energy sources (14.3%).[1] Domestic production of primary energy includes nuclear (44.8%), solar, wind and geothermal (22.4%), biomass and waste (21.1%), hydropower (7.2%) and fossil (4.5%).
- ^ "La Energía en España 2015 - Energia_2015.pdf" (PDF) (in Spanish). Gobierno de España, Ministerio de Industria, Energía y Turismo.