RT info:eu-repo/semantics/article T1 Dynamic Energy Return on Energy Investment (EROI) and material requirements in scenarios of global transition to renewable energies A1 Capellán Pérez, Iñigo A1 Castro Carranza, Carlos de A1 Miguel González, Luis Javier K1 Energy return on energy investment K1 Retorno energético de la inversión energética K1 Energías renovables K1 Renewable energies AB A novel methodology is developed to dynamically assess the energy and material investments required over time to achieve the transition from fossil fuels to renewable energy sources in the electricity sector. The obtained results indicate that a fast transition achieving a 100% renewable electric system globally by 2060 consistent with the Green Growth narrative could decrease the EROI of the energy system from current ~12:1 to ~3:1 by the mid-century, stabilizing thereafter at ~5:1. These EROI levels are well below the thresholds identified in the literature required to sustain industrial complex societies. Moreover, this transition could drive a substantial re-materialization of the economy, exacerbating risk availability in the future for some minerals. Hence, the results obtained put into question the consistence and viability of the Green Growth narrative. PB Elsevier SN 2211-467X YR 2019 FD 2019 LK http://uvadoc.uva.es/handle/10324/37999 UL http://uvadoc.uva.es/handle/10324/37999 LA eng NO Energy Strategy Reviews Volume 26, 2019, 100399 NO Producción Científica DS UVaDOC RD 24-nov-2024