ABSTRACT : This study explores the business strategy for biomass management in Perum Perhutani which has planted energy plants for biomass energy covering an area of 39,110.07 hectares and built three biomass processing plants that will be used for cofiring raw materials for power plants (PLTU), the upstream-downstream integrated biomass business strategy is a new business in Indonesia so it is necessary to conduct research on this business strategy to further improve sustainability business and environmental sustainability, with a focus on sustainable practices and economic viability. The study investigates the potential of biomass as a renewable energy source, evaluates current operational frameworks, and identifies opportunities to improve efficiency and profitability. By analyzing market trends and stakeholder engagement, the study aims to provide recommendations that are in line with environmental goals and promote the sustainable development of biomass resources. The research findings show that strategic partnerships, technological innovation, and effective resource management are essential to drive competitive advantage in the biomass sector

KEYWORDS – Cofiring, Biomass , Perum Perhutani, Resource Management