Biomass for energy

01Overview and value chain

Markers: [EC: 35.11 | OECD: bioenergy | Regulator: EPA (US), FERC (US), ADEME (EU)]

Biomass for energy involves combusting organic material (wood pellets, agricultural residues, or municipal solid waste) to generate dispatchable baseload power and industrial heat. While historically considered a carbon-neutral alternative to coal, the industry is shifting toward Bioenergy with Carbon Capture and Storage (BECCS) to actively sequester up to 90% of emitted CO2. Supplying over 50 GW of global power capacity, biomass energy bridges the gap between intermittent renewables and stable grid demands, though it faces intense scrutiny over forestry supply chain sustainability.

The key directions of biomass for energy are:

1. Wood Pellets (Wood Pellets): densifying forestry residues into transportable, high-energy fuel accounting for over 25 Mt of global trade.
2. Biomass Power Plants (Biomass Power Plants): converting legacy coal boilers into dedicated biomass combustion units generating baseload electricity.
3. Agricultural Residues (Agricultural Residues): mobilizing low-value farm waste like rice stalks to prevent open-field burning and generate decentralized power.
4. BECCS (BECCS): retrofitting biomass power stations with post-combustion carbon capture systems to generate verifiable negative emissions.

Sectoral value chain

[Sourcing] ──> [Densification] ──> [Logistics] ──> [Combustion]
                                  │
                          (Heat & Power)
                                  │
                                  ▼
[CO2 Storage] <─── [Carbon Capture] <─────┘

Value chain levels

Cross-cutting technologies of the sector:

• Circulating Fluidized Bed (CFB) Boilers: advanced combustion technology that maximizes efficiency and minimizes NOx emissions.
• Amine-based Carbon Capture: chemical scrubbing systems retrofitted to power plant exhausts to capture CO2.
• Biomass Supply Chain Software: IoT and AI platforms optimizing the complex logistics of scattered agricultural residues.

02US

The US is the world’s largest exporter of industrial wood pellets, primarily sourced from the highly managed timberlands of the Southeast.

wood pellet exports, forestry supply chains, BECCS tax credits

• Enviva Operations: expanding massive pellet production facilities despite recent financial restructuring.
• 45Q Tax Credit: heavily incentivizing US biomass power plants to retrofit with carbon capture systems.
• Sustainable Sourcing Mandates: increasing regulatory pressure to ensure feedstocks are true residues, not whole trees.

03CN

China dominates the mobilization of agricultural residues, rapidly expanding rural biomass power to replace distributed coal boilers and stop open-field burning.

agricultural residues, rural power, waste-to-energy

• CECEP Biomass Projects: scaling state-backed biomass power plants to secure rural energy independence.
• Everbright Waste-to-Energy: integrating biomass combustion with municipal solid waste management.
• Straw Utilization Policy: enforcing national bans on field burning to drive biomass directly into energy supply chains.

04EU

The EU is the primary consumer of imported wood pellets and the global leader in transitioning legacy coal infrastructure to dedicated biomass and BECCS.

coal-to-biomass conversion, BECCS leadership, RED III constraints

• Drax BECCS Project: converting the UK’s largest power station into a massive negative emissions facility.
• Valmet Boiler Tech: supplying advanced CFB boilers to district heating networks across Scandinavia.
• RED III Directive: tightening the sustainability criteria for what qualifies as renewable biomass across member states.

05Leading companies and research institutes

06Tech stack and innovations

The bioenergy sector relies heavily on advanced combustion engineering and emerging carbon capture integration.

1. Circulating Fluidized Bed (CFB) Combustion:
   • Suspends solid fuels in upward-blowing jets of air, ensuring >95% combustion efficiency for mixed, low-quality biomass.
   • Operates at lower temperatures to suppress NOx formation and prevent ash slagging.
2. Post-Combustion Carbon Capture (BECCS):
   • Utilizes advanced amine solvents to strip up to 90% of CO2 directly from the power plant’s flue gas stack.
   • Compresses the captured CO2 into a supercritical fluid for deep geological sequestration.
3. Torrefaction (Black Pellets):
   • Mild pyrolysis of biomass creates a coal-like, water-resistant pellet.
   • Increases energy density by 20%, significantly reducing transatlantic shipping costs.

07Value chains and production pipelines

Industrial pipeline of biomass power generation and BECCS (ISO 13065)

┌───────────────────────────┐      ┌───────────────────────────┐
│ 1. Feedstock sourcing     │ ───> │ 2. Densification          │
└───────────────────────────┘      └───────────────────────────┘
                                                 │
                                                 ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 4. Combustion & power     │ <─── │ 3. Logistics & storage    │
└───────────────────────────┘      └───────────────────────────┘
              │
              ▼
┌───────────────────────────┐      ┌───────────────────────────┐
│ 5. Post-combustion CC     │ ───> │ 6. CO2 sequestration      │
└───────────────────────────┘      └───────────────────────────┘

Stage 1: Feedstock sourcing

Collecting forestry thinnings, sawmill residues, or agricultural stalks from regional suppliers.

Stage 2: Densification

Drying and extruding the raw, fluffy biomass under high pressure into uniform wood pellets, increasing energy density by up to 300%.

Stage 3: Logistics & storage

Transporting pellets via rail and Panamax bulk carriers to power plants, storing them in specialized, moisture-controlled silos.

Stage 4: Combustion & power

Feeding the pellets into massive CFB boilers to generate high-pressure steam, driving turbines that provide hundreds of megawatts of baseload electricity.

Stage 5: Post-combustion CC

Passing the exhaust flue gas through chemical scrubbing towers where liquid solvents capture up to 90% of the emitted CO2.

Stage 6: CO2 sequestration

Compressing the pure CO2 stream and pumping it via pipeline into deep saline aquifers for permanent, verifiable geological storage.