Supporting every organisation in the biomass supply chain

Whether you are seeking certification, conducting independent audits or looking for recognised certification partners, GGL provides the framework, guidance and resources to support your role.Together, participants and Certification Bodies contribute to transparent, traceable and independently verified biomass supply chains.

Become certified Find a certification body

Who is the GGL certification scheme for?

The GGL certification scheme supports organisations throughout the biomass supply chain. Each participant has a distinct role in demonstrating sustainability, maintaining traceability and supporting independent verification.

GGL Participants

Organisations producing, processing, trading, transporting, storing or using biomass.

Find out how certification works, what requirements apply and how to become certified.

Become certified

GGL Approved Certification Bodies

Independent organisations conducting certification audits.

Access certification requirements, accreditation information, training materials and operational guidance.

Certification bodies

The certification ecosystem

GGL Foundation

Certification Bodies

Participants

Certified Sustainable Biomass

Certification at every stage of the supply chain

Biomass Producer

The first participant in the GGL supply chain for woody and agricultural biomass, producing raw materials through harvesting or farming activities.

First Collector

The first participant in the GGL supply chain for residues and wastes, collecting raw materials from suppliers.

Trader

An intermediary who purchases raw or processed organic materials and sells them to power plants or heating facilities.

End-User

An entity that consumes biomass to generate heat and electricity.

Resources