‘renewable energy sources’ means renewable non-fossil energy sources (wind, solar, geothermal, wave, tidal, hydropower, biomass, landfill gas, sewage treatment plant gas and biogases);
„taastuvad energiaallikad” – taastuvad mittefossiilsed energiaallikad (tuuleenergia, päikeseenergia, maasoojus, laineenergia, loodeteenergia, hüdroenergia, biomass, prügila gaas, reoveepuhasti gaas ja biogaasid);