When we use plants and other organic material to generate energy we call it bioenergy.

Bioenergy is a form of renewable energy generated when we burn biomass fuel. Biomass fuels come from organic material such as harvest residues, purpose-grown crops and organic waste from our homes, businesses and farms.

Why do we use bioenergy?

We need to reduce the amount of fossil fuel we burn to meet carbon reduction goals.

  • Renewable source - Bioenergy is a low-carbon renewable energy that we can use to replace carbon intensive fossil fuels.
  • Hard-to-reach sectors - We can use biomass fuels in cases where few renewable energy options exist, such as fuel for aeroplanes, ships and trucks.
  • Carbon capture - We may be able to use bioenergy with carbon capture technology to remove CO2 from the atmosphere. Many of the future scenarios for climate-friendly energy systems rely on the use of this technology.

Bioenergy and climate change

For bioenergy to play this essential role, we need to produce and use it sustainably. Bioenergy must significantly reduce greenhouse gas emissions.

The use of organic fuel to create bioenergy releases carbon dioxide (CO2) into the air. This is offset by new plants that consume that CO2 during growth. But improper sourcing and processing of biomass for energy can also pose a risk to our climate.

Bioenergy and greenhouse gas emissions

Improved process

The use of Bioenergy can also help improve our organic waste and forest management systems.

  • Waste

    Using waste for landfill has environmental benefits. Treating animal manure can improve water quality and reduce artificial fertiliser use.
  • Forest

    An increased market for sustainable biomass fuels can encourage better forest management as well as the planting of more trees.

Biomass fuel sources

There are four types of biomass that can be made into biomass fuel.

Types of biomass fuel

Biomass fuels must go through processing before they can generate energy. Modern biomass fuels are refined into several common products.

Solid fuel

Wood refineries produce wood pellets, wood chips and other types of solid fuels, typically from the by-products of day-to-day wood industry operations. This is the most common use of biomass worldwide.

Liquid fuel

Biofuel refineries make liquid fuels for transport. Biofuels made from energy crops that can also be used for food are called first generation biofuels. To enhance sustainability, the EU encourages the use of organic materials that do not compete with food production (second generation biofuels).

Biogas and biomethane

Anaerobic digestion and other renewable gas facilities produce biogas. Biogas can be upgraded to biomethane and put into the gas grid. Both biogas and biomethane can fuel heat, transport and electricity generation.

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