Salvestusastme ja taastumiskiiruse järgi eristatakse tinglikult mittetaastuvaid (nt fossiil- ja tuumkütuste energia) ja taastuvaid energiavarusid (nt otsese päikesekiirguse energia, tuule- ja hüdroenergia, lihaseenergia). Varudes sisalduv energia (primaarenergia) muudetakse paljudel juhtudel edastus- ja rakendussoodsamaks vääris- ehk sekundaarenergiaks (elektrienergia, kuuma veega edastatav soojusenergia, suruõhuenergia jms).
... provided that the primary energy used reduces significantly the negative effects in terms of environmental protection ... By "conversion efficiency" is meant the ratio between the quantity of primary energy used to produce a secondary form of energy and the quantity of secondary energy actually produced.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
