Documents and guidance

The documents below provide advice on how to submit an application to the Biomass Suppliers List (BSL) and the type of evidence required to demonstrate compliance. Please ensure you have read the relevant guidance documents fully before starting your BSL application.

Document NameDescriptionDate of PublicationVersion Number
Supplier Fuel Quality FAQThis FAQ document is intended to answer questions for suppliers currently registered on the BSL associated with the new fuel quality regulations published on 25th January 2021 and which come into force on 1st April 2022. Guidance also includes the suspension of fuel quality for pellets from 23rd November 2022.23.11.20221.2
Waste Wood GuidelinesThis is guidance to help you meet the requirements of the RHI regulations for registrants on the BSL for the 1st April for waste derived wood fuel.04.03.20221.0
Supplier Type OverviewThis gives definitions of the different BSL supplier types and should be read first before applying to the BSL.01.07.20211.2
Self-Supplier Fact SheetThis gives further clarification on the difference between a Self-Supplier and a Producer-Trader.27.10.20221.4
Applications and Audit GuidanceThis gives an overview of the application process that suppliers will need to complete to register on the BSL and the audit process following authorisation. This should be read thoroughly before any new application is started.27.10.20222.1
Application User Guide for Self-SuppliersA user guide to assist Self-Suppliers through the website and submitting an application.01.07.20212.0
Application Users Guide for Producers and Producer-TraderA user guide to assist  Producer and Producer-Traders through the website and submitting an application.01/07/20212.0
Application User Guide for TradersA user guide to assist Traders through the website and submitting an application.01/07/20212.0
Land Criteria GuidanceThis gives more detail about the land criteria element of the Renewable Heat Incentive (RHI) requirements. This should be read by all Producers, Traders and Producer-Traders. Self-Suppliers do not have to provide land criteria evidence.27.10.20223.0
Land Criteria EvidenceThis gives more detail about the evidence required to demonstrate compliance with the land criteria element of the RHI requirements. This should be read by all Producers, Traders and Producer-Traders. Self-Suppliers do not have to provide land criteria evidence.28.10.20222.1
UK Risk Based Regional Assessment (RBRA) TemplateThis template can be used to demonstrate compliance with the land criteria element of the RHI requirements. It should be completed by those suppliers who source 100% of their raw materials from within the UK but are not Category A compliant or do not have a valid Felling Licence and Management Plan covering 100% of their raw materials.28.10.20221.4
Risk Based Regional Assessment Mass Balance ApproachThis gives more detail about the bespoke RBRA process for those suppliers sourcing their raw materials from outside of the UK and not covered by Category A land criteria evidence.28.10.20222.0
Mass Balance TemplateThis template should be completed and submitted alongside the bespoke RBRA document.10.10.20161.0
BSL Suppliers Q&AThis gives answers to some of the more frequently asked questions by suppliers about the BSL scheme.02.10.20223.1
RHI Participant Q&AThis gives answers to some of the more frequently asked questions by RHI participants about the BSL scheme.01.07.20211.7
Branding GuidelinesThis explains how the BSL Mark and BSL Authorised Mark should be used.01.07.20212.0
BSL Advisory Panel MembersCurrent List of BSL Advisory Panel Members.11.07.20223.1
BSL Advisory Panel Full Terms of Reference

Decisions and Actions Reports

Document NameDescriptionDate of PublicationVersion Number
How to Pay User Guide for BSL SuppliersUser guide to assist suppliers with completing quarterly returns and/or membership fee(s).01.07.20211.1
BSL ChargesThis sets out the BSL fees that will be applicable from 1 April 2022.09.11.20222.2
BSL Charges Q&AThis gives answers to some of the frequently asked questions by suppliers and new applicants on the BSL fees.
Please note that VAT is applied on top of the fees.
01.07.20211.3
Tonnage Fee GuidanceGuidance for BSL suppliers on how tonnage fees are calculated.01.07.20211.1

External guidance documents

There are a number of documents that sit outside of the BSL that may be of interest to BSL suppliers.

Document NameDescriptionDate of Publication
UK Timber Standard for Heat and ElectricityThis sets out how the land criteria element will apply to those generating heat from woody biomass under the RHI.10.02.2014
Woodfuel Advice Note 2This provides further guidance, particularly around the land criteria element for those producing heat from woodfuel.23.02.2017
Risk Based Regional Assessment – A ChecklistThis gives more detail on the bespoke RBRA element of the land criteria requirement.22.12.2014
UK Solid and Gaseous Biomass Carbon Calculator (B2C2) DownloadAccess to version 2.0 of the UK Solid and Gaseous Biomass Carbon Calculator.11.02.2015
UK Solid and Gaseous Biomass Carbon Calculator GuidanceThis details how to use the B2C2 calculator, which sits outside of the BSL application system. Whilst this guidance is developed predominately for use under the Renewables Obligation (RO) scheme, it is still relevant for BSL suppliers looking to use the B2C2 to demonstrate their compliance with the RHI sustainability requirements.October 2015