1.1 Biomass potentials and biomass production models

  • Assessments of biomass potentials and land availability at regional, national and international levels;
  • Assessment of recoverable biomass potential;
  • Biomass mobilisation and logistics;
  • Spatial modelling and remote sensing;
  • Resources mapping.

1.2 Agroforestry residues and by-products

  • Supply of biomass and biomass by-products and residues from agriculture and forestry;
  • Biomass mobilisation: characterisation, harvest technologies, logistics and storage;
  • Resource efficient agriculture and forestry;
  • Agro-food waste;
  • Agro-industrial feedstocks and side streams.

1.3 Biomass crops and energy grasses

  • Agricultural production of woody and non-woody plant biomass: plant breeding, cultivation, characterisation and harvest technologies, logistics and storage;
  • Novel crops, multi-purpose crops, intercropping and alternative cropping systems;
  • Biomass plantations increasing sustainability and ecosystem services;
  • Crops from marginal lands.

1.4 Algae and aquatic biomass production systems

  • Identification, assessment and optimisation of algae strains;
  • Technologies and systems for algae cultivation, nutrition and harvesting;
  • Integration of wastewater treatment into algae systems;
  • CO2 use in algae systems;
  • Marine farming;
  • Aquatic plants and aquaculture feeds;
  • Aquatic waste streams;
  • Aquaculture and fishery residues;
  • Algae harvesting, drying, oil and chemical extraction.

1.5 Municipal and industrial wastes

  • Potential of Municipal Solid Waste (MSW) for bioenergy, biofuels and bioproducts;
  • Availability of biowaste from MSW;
  • Techniques for source separation;
  • Industrial wastes;
  • Downstream use of pulp and paper;
  • Sewage sludge, slaughterhouse waste;
  • Integrated waste management systems.

1.6 Innovative biomass production for energy integrated into traditional agri-forestry systems

  • Innovative agri-forestry systems in energy transition;
  • Bioenergy production integrated into farming systems;
  • Sustainable management practices for agriculture and forestry integrated with biomass production for energy and material use;
  • Sustainable farming systems;
  • Multiple product opportunities;
  • Agro-industry options and economic prospects;
  • Low ILUC impact feedstocks;
  • Soil fertility and soil productivity improvement – compost, digestate, biochar;
  • Phytoremediation solutions for contaminated lands.


2.1 Production and supply of solid fuels and intermediates

  • Technologies development for chipping, pelletising, briquetting, etc.;
  • Production and characterisation of solid fuels from biomass feedstocks;
  • Logistics, storage and distribution.

2.2 Biomass and bioliquids combustion for small and medium scale applications

  • Innovative concepts for stoves, boilers, micro- and small-CHP, steam and Stirling engines, Organic Rankine Cycles, etc.;
  • Abatement of corrosion and fouling;
  • Emission control systems;
  • Auxiliary equipment;
  • Tri-generation (power, heat and cooling).

2.3 Biomass combustion in large utilities

  • Advanced combustion systems;
  • Process modelling and monitoring;
  • Control systems;
  • Abatement of corrosion and fouling;
  • Advanced emission control systems;
  • Tri-generation (power, heat and cooling);
  • Innovative concepts and thermodynamic cycles;
  • High efficiency, increased steam parameters plants.

2.4 Gasification for power, CHP and polygeneration

  • Fundamental studies;
  • Technology development;
  • Process modelling and monitoring;
  • Gas cleaning and upgrading;
  • Syngas utilisation in engines, turbines and fuel cells;
  • Control systems;
  • By-products utilisation.

2.5 Gasification for synthesis gas production

  • Fundamental studies;
  • Technology development;
  • Advanced gasification systems;
  • Gas cleaning, reforming and upgrading for BTL and SNG applications;
  • Control systems;
  • By-products utilisation.

2.6 Anaerobic digestion for biogas and biomethane production

  • Anaerobic digestion process improvement;
  • Advanced plant and fermenter concepts;
  • Optimising conversion, improving design and process integration;
  • Dry fermentation and thermophilic processes;
  • Anaerobic digestion of innovative feedstocks (straw, waste, algae, etc.);
  • Biogas utilisation for power, CHP and poly-generation;
  • Biogas upgrading to biomethane;
  • Biomethane injection into the grid.


3.1 Production of thermally treated solid fuels

  • Thermal treatment and densification;
  • Thermal upgrading of solid fuels: biomass torrefaction, charcoal production, etc.;
  • Process optimisation;
  • Products characterisation and utilisation.

3.7 Bio-based chemicals and materials

  • Ethylene, propylene, furans, specialist chemicals, etc.;
  • Wood-based sugars;
  • Advances in renewable chemicals;
  • High added value organic compounds;
  • Bio-catalysis;
  • Bio-based polymers;
  • Additives;
  • Biolubricants;
  • Geotextiles;
  • Bioplastics;
  • Production of organic fertilizers and compost;
  • Nutrients cycles and recovery (nitrogen, phosphorus, potassium).

3.2 Pyrolysis

  • Production of liquid bioenergy carriers from solid biomass: Fundamentals and studies;
  • Technology development;
  • Process modelling, improvement and optimisation;
  • Bio-oil purification, upgrading and utilisation (combustion, chemical extraction, gasification, etc.);
  • By-product utilisation;
  • Energy balance and techno-economic analysis.

3.3 Hydrothermal processing

  • Hydrothermal carbonisation, production of solid energy carriers;
  • Hydrothermal liquefaction, production of liquid energy carriers;
  • Fundamentals and studies;
  • Technology and process improvement;
  • Biocrude production, purification, upgrading;
  • Value-added compounds extraction;
  • Energy balance and techno-economic analysis.

3.4 Oil-based and renewable hydrocarbon biofuels

  • Oil-based fuels and renewable hydrocarbon biofuels (biogasoline, renewable diesel, renewable jet fuel) from lipids (vegetable oils, animal fats, grease, and algae), and cellulosic biomass (crop residues, woody biomass and energy crops);
  • Bioprocesses for microbial oils production;
  • Innovative processes: Hydrotreating, Biological sugar upgrading, biocatalytic processes, FT-liquids / Biomass to Liquids (BtL), Hydrothermal processing, Hydrotreated Vegetable Oil (HVO) / Hydroprocessed Esters and Fatty Acids (HEFA);
  • Technology and process improvements;
  • Energy balance and techno-economic analysis;
  • Biofuel blending, distribution and logistics;
  • Progress on FAME production.

3.5 Bio-alcohols from sugars, starch and lignocellulosic biomass

  • Lignocellulosic ethanol, other alcohols: physical, chemical, physicochemical, biological pre-treatment of lignocellulosic biomass;
  • Enzymatic hydrolysis and microorganism fermentation into alcohols;
  • Novel C6 and C5 fermentation techniques;
  • Innovations in bio-alcohol production from lignocellulosic biomass;
  • Downstream wastewater treatment;
  • Progress on ethanol production from sugar and starch.

3.6 Biorefineries

  • Biorefinery platforms for bio-based products, energy and fuels;
  • Combined production of fuels, chemicals and materials from biomass;
  • Integrated concepts for bioenergy and bio-based products;
  • Process design and business development;
  • Process and technology integration into biorefineries;
  • Integration of biochemical and thermochemical processes;
  • Biofuels from biochemical, chemical and catalytic conversion of sugars;
  • Thermochemical conversion of biomass to syngas, bioenergy carriers, synthetic fuels;
  • Additional value creation;
  • Multi-purpose and versatile schemes;
  • Commodities combination;
  • Renewable energy utilisation.


4.1 Sustainability, socio-economic impacts and public acceptance

  • Sustainability schemes, bio-based feedstocks and final products certification;
  • National and international sustainability standards;
  • Benefits and socio-economic opportunities;
  • Competition and risk mitigation of the increased use of biomass;
  • Bioenergy, food security and local, traditional use of biomass;
  • Evaluation of social impacts;
  • Actions for sustainable economic growth;
  • Bioenergy contribution to the Sustainable Development Goals (SDG);
  • Improving citizen awareness and acceptance, increasing public engagement;
  • Promoting good practices for bioenergy.

4.2 Environmental impacts

  • Biomass and land use, agricultural intensification, water and air emissions from biomass production and conversion;
  • Biomass production preserving biodiversity;
  • Agro-environmental assessments;
  • Biomass production and ecosystem services;
  • Land use change impacts, monitoring and addressing indirect land use changes;
  • Land use and land governance;
  • Biomass production and water use, energy, land and water interactions;
  • Carbon and air emissions;
  • Trade-offs between different impacts;
  • Environmental Life Cycle Assessments.

4.3 Climate impacts and GHG performance

  • Climate impacts of biomass, biofuels, bioenergy and bio-based materials production;
  • Climate change mitigation potential;
  • Carbon capture and storage potentials in soils, biomaterials, etc.;
  • GHG emissions, LULUCF and sustainable forest management;
  • Assessing direct and indirect land use change potential;
  • Carbon storage on land and materials;
  • Innovative carbon utilisation options;
  • Assessing GHG of biomass pathways and prioritizing biomass pathways;
  • Carbon pricing;
  • GHG Life Cycle Assessment.

4.4 Biomass strategies and policies towards a bioeconomy

  • Bioenergy policies and targets for 2030 and beyond;
  • Bioenergy contribution to a low carbon economy, LULUCF emissions and Emissions Trading Scheme;
  • National, regional, local bioenergy and bioeconomy strategies;
  • Support programmes;
  • Agriculture, forestry and rural development;
  • Biomass and rural development, opportunities in the circular and bioeconomy;
  • Strategies for international cooperation;
  • Biomass utilisation concepts for bioenergy and bio-based products;
  • Strategies for the integration of bioenergy into a bio-based economy.

4.5 Resource efficient bioeconomy

  • Approaches for efficient management of natural resources (land and water);
  • Promoting resource efficient value chains;
  • Sustainable circular bioeconomy and cascading use of biomass;
  • Competition and risks of the increased use of biomass;
  • Opportunities of biomass use for food, feed, fibre, fuels, biomaterials and biochemicals;
  • Innovation, growth and job creation;
  • Exploiting the value of co-products;
  • The role of bio-based chemicals in a sustainable and circular bioeconomy;
  • Cross-sectorial synergies to avoid over-exploitation.


5.1 Strategies for biomass integrated into energy systems

  • National strategies for the integration of bioenergy and high share of renewables;
  • Integrated bioenergy planning;
  • Electricity and gas grid balancing concepts;
  • Concepts and approaches for flexible bioenergy integration;
  • Renewable energy communities and buildings;
  • Bioenergy and off-grid systems;
  • Bioenergy in integrated systems;
  • Sustainable bioenergy solutions for local communities;
  • Bioenergy in rural electrification concepts;
  • Bioenergy and Carbon Capture and Storage (BECCS) enabling negative GHG emissions.

5.2 Technological options for energy grid balancing

  • Innovative solutions for smart grids and energy (heat and power) storage;
  • Bioenergy and renewable energy distributed generation and systems integration;
  • Integrated bioenergy RES hybrid systems and technologies;
  • Integrated solutions and biomass systems for short, mid-term and seasonal grid balancing;
  • Biomass in district heating and cooling;
  • Poly-generation energy networks;
  • Greening the gas grids (biomethane, hydrogen etc.);
  • Energy and power system modelling.

5.3 Alternative renewable fuels and hydrogen

  • Technological innovations of Power-to-X (Power-to-gas, Power-to-liquids, etc.): synthetic fuels, hydrogen, methane, methanol, etc.;
  • Renewable fuels of non-biological origin (RFNBO), Recycled Carbon Fuels (RCF);
  • Bio-Synthetic Natural Gas (Bio-SNG);
  • Algae biofuels production: technology progress and perspectives;
  • Electrofuel production and use;
  • Hydrogen production: thermochemical, electrolytic, photolytic, biological processes;
  • Hydrogen storage systems, novel hydrogen carriers;
  • Hydrogen and fuel cells for stationary and mobile applications;
  • Alternative fuels and hydrogen infrastructure development.

5.4 Market implementation, investments & financing

  • Market uptake initiatives and policies;
  • Initiatives for decarbonisation of the economy;
  • Policies for the circular, sustainable bioeconomy;
  • Challenges of scale-up and market implementation of new technologies;
  • Support schemes;
  • Economics of bioenergy projects;
  • Risk assessment of financing;
  • Global bioenergy markets;
  • Biomass trade, contracting and logistics;
  • Innovative business models.