Design and Modeling of a Stand-Alone Hybrid Energy System, in the Case of Kelto, Raya Chercher Tigray, Ethiopia. Raya Journal of Science and Development, [S. l.], v. 1, n. 01, p. 72–85, 2025. DOI: 10.82489/rjsd.2025.1.01.39. Disponível em: https://rayajsd.org/index.php/rjsd/article/view/39. Acesso em: 30 jan. 2026.