This dataset provides a detailed catalog of biomass resources, classified and characterized according to the international standard ISO-17225-1-2021. The dataset includes key attributes of biomass types, availability, and specifications, ensuring compliance with globally recognized quality criteria for solid biofuels. The data is delivered in JSON format, enabling easy integration with various applications, systems, and analysis tools. It is structured to facilitate automation and interoperability for biomass-related decision-making processes.This dataset is an essential tool for organizations focused on sustainable bioenergy development, offering reliable and standardized data for optimized resource management and utilization.