This is a list of prior Task meetings.
Future meetings can be found on the Events page
| Meeting | Date | Year | Location | Country | Summary Minutes |
| IEA Bioenergy Task 34 Pyrolysis | May | 2021 | Videoconference | All over the world | Minutes |
| IEA Bioenergy Task 34 Pyrolysis | December | 2020 | Videoconference | All over the world | Minutes October |
| IEA Bioenergy Task 34 Pyrolysis | May | 2020 | Videoconference | All over the world | Minutes May |
| IEA Bioenergy Task 34 Pyrolysis | October | 2019 | Aalborg | Denmark | Minutes October |
| IEA Bioenergy Task 34 Pyrolysis | June | 2019 | Karlsruhe | Germany | Minutes June 2019 |
| IEA Bioenergy Task 34 Pyrolysis | November | 2018 | Richland, Washington | USA | Link |
| IEA Bioenergy Task 34 Pyrolysis | May | 2018 | Enschede and Karlsruhe | Netherlands and Germany | Link |
| IEA Bioenergy Task 34 Pyrolysis | November/ December | 2017 | Ottawa | Canada | Liquefaction Workshop |
| IEA Bioenergy Task 34 Pyrolysis | May | 2017 | Lulea/Pitea | Sweden | |
| IEA Bioenergy Task 34 Pyrolysis | November | 2016 | Rotorua | New Zealand | Link |
| Meeting Postponed | June | 2016 | Lulea/Pitea | Sweden | none |
| IEA Bioenergy Task 34 Pyrolysis | October 29 | 2015 | Berlin | Germany | Link |
| IEA Bioenergy Task 34 Pyrolysis | May 19-21 | 2015 | Hengelo | Netherlands | Link |
| IEA Bioenergy Task 34 Pyrolysis | October 28-30 | 2014 | Helsinki | Finland | Link |
| IEA Bioenergy Task 34 Pyrolysis | May 15-16 | 2014 | Solihull | UK | Link |
| IEA Bioenergy Task 34 Pyrolysis | September 3-4 | 2013 | Chicago | USA | Link |
| IEA Bioenergy Task 34 Pyrolysis | April 16-18 | 2013 | Karlsruhe | Germany | Link |
| IEA Bioenergy Task 34 Pyrolysis | November 15-16 | 2012 | Vienna | Austria | Link |
| IEA Bioenergy Task 34 Pyrolysis | April 17-19 | 2012 | Ottawa, Ontario | Canada | Link |
| IEA Bioenergy Task 34 Pyrolysis | October 3-4 | 2011 | Richland, Washington | USA | Link |
| IEA Bioenergy Task 34 Pyrolysis | April 6-8 | 2011 | Hamburg | Germany | Link |
| IEA Bioenergy Task 34 Pyrolysis | October 16-17 | 2010 | Stratford-upon-Avon | UK | Link |
| IEA Bioenergy Task 34 Pyrolysis | June 29-30 | 2010 | Helsinki | Finland | Link |
| IEA Bioenergy Task 34 Pyrolysis | September 15 | 2009 | Chicago | USA | Link |