This study aims to determine the potential biomass, carbon stock, and CO₂ absorption of Eucalyptus vegetation at various ages in the reclamation area of PT Bukit Asam Tbk. The research was conducted in the Banko Barat reclamation area, Tanjung Enim, South Sumatra, from September to November 2025. The method used was non-destructive with the allometric equation of Chave et al. (2014) for tree …