The analysis of collaboration networks, both globally and in Europe reveals key partnerships and identifies central actors in the research, which is essential for understanding research dynamics. Biomass Heat & Power worldwide for the period 2014-2024. The analysis reveals several connectivity between China, the USA, and the UK. Europe from 2014 to 2024. Within the EU, four countries, Italy, Germany, Sweden and Poland, are identified as having the highest scope or importance, indicating their maximum contribution or centrality within this collaborative system. The analysis reveals robust linkages between Italy, the UK and France. Another strong relational cluster is identified between Germany, Austria and Sweden. Another cross-country connection exists between Poland, Finland and Portugal.