Home›Emergy›energy returned on energy invested🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийفارسی中文日本語EntityQ1361106· pop 20· linked from 589 articlesenergy returned on energy investedAlso known as EROEI, ERoEI, EROIratio of acquired energy to the amount of energy spent to obtain this energyAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBasqueCatalanConnectionspumped-storage power stationEntitysolar irradianceEntityCategoriesEmergyEnergy economicsPeak oil