FRANCISCO RAMON LARA RAYA2026-01-292026-01-29201110.24084/repqj09.6972-s2.0-85073392240https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/30922Electrical and Electronic EngineeringEnergy Engineering and Power TechnologyRenewable Energy, Sustainability and the EnvironmentA review on existing sustainable indices on efficient energy.review article