What is Biomethane?
Turning organic materials into green gas

That’s the promise of biomethane: a circular solution delivering green energy to homes, industries, and transportation — while driving a cleaner, more sustainable world. Biomethane is a ready-now solution — accelerating the transition to carbon neutrality.

How biogas works: nature's energy cycle

Biogas is a renewable energy made when organic materials — such as farm residues, food waste, or sewage — naturally decompose without oxygen inside a digester. This process, called anaerobic digestion, releases a gas composed of about 55% methane (CH₄) and 45% carbon dioxide (CO₂).

When purified – mostly by removing the CO2 content – it generates biomethane which can be used as a natural gas subsitute and be injected into the existing gas grid and/or liquified/compressed.

  • Renewable energy source and compatible to the existing natural gas infrastructure
  • Drives the circular economy
  • Turns waste into valuable energy
  • Reduces carbon emissions

How it’s produced

1. Feedstock collection – Organic waste materials (such as agricultural residues, food waste, or manure) are gathered as feedstock.

2. Anaerobic Digestion – The feedstock is broken down by microorganisms in oxygen-free tanks, producing biogas.

3. Upgrading & purification – The biogas is upgraded by removing CO₂, water, and impurities, leaving high-quality biomethane.

4. Ready to use – The biomethane is injected into the gas grid, used for heating and electricity, or as a clean transport fuel (bio-CNG/LNG).

Biomethane creates value from waste-the ultimate circular economy solution

Waste to energy resource

Organic leftovers are transformed into energy, not waste, while providing valuable organic fertilizer to farmland.

Lower carbon emissions

Biomethane significantly reduces greenhouse gas emissions compared to natural gas.

Energy independence

Strengthens energy independence and reduces reliance on imported natural gas and other fossil fuels.

One solution,
countless applications

Biomethane is versatile—a sustainable, low-carbon substitute for natural gas across households, industry, transportation and power generation

Heating – Provides clean warmth for homes, commercial buildings and district heating networks

Industry – For industrial processes, heat and power, or can serve as a feedstock for producing green chemicals, hydrogen, and synthetic fuels.

Mobility – Available as compressed (bio-CNG) or liquefied (bio-LNG), fueling trucks, buses, and cars sustainably.

Electricity – Use in combined electricity and heat (CHP) generation and thermal gas plants for power generation.

Biomethane fits today’s gas network –
making decarbonization faster and renewable/green gas
more affordable.

From waste to warmth, from farms to fuels, 
see how biogas powers the energy transition 
with one simple idea: nothing goes to waste.