Projects

Carbon removal projects turning waste biomass into biochar, green energy and carbon credits.

Sweden
Forestry and Sawmill Residues
Mountains and clear sky.
700
tonnes
Annual biochar production capacity
1600
tCO2e
Annual carbon removing capacity
1
MW
Heat generation capacity
0
kW
Electricity generation capacity

Sweden

Replacement of biomass boiler with pyrolysis plant to improve economic and environmental outcomes.

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Sweden
Welshpool
Green waste
Mountains and clear sky.
400
tonnes
Annual biochar production capacity
900
tCO2e
Annual carbon removing capacity
kW
Heat generation capacity
65
kW
Electricity generation capacity

Carbon Hill

Following 2 years of R&D from Woodtek, Carbon Hill took over the commercial operation of the site in 2021 has been manufacturing biochar and generating Carbon Credits since 2021.

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Carbon Hill
West Sussex, UK
Sustainably sourced forestry waste
Mountains and clear sky.
700
tonnes
Annual biochar production capacity
1600
tCO2e
Annual carbon removing capacity
1
MW
Heat generation capacity
75
kW
Electricity generation capacity

Bioccus

UK Government-funded combined heat and power demonstrator plant with a carbon negative footprint to showcase climate repairing technology and demonstrate the effectiveness of community scale negative emission technology plus clean energy using sustainably sourced forestry waste. 

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Bioccus
River Wye Valley
Poultry litter
Mountains and clear sky.
2300
tonnes
Annual biochar production capacity
3614
tCO2e
Annual carbon removing capacity
kW
Heat generation capacity
274
kW
Electricity generation capacity

Onnu Green Hubs

A first if its kind, Onnu Green Hubs transform poultry litter into biochar, while removing carbon and preventing local river pollution.

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Onnu Green Hubs

Sustainable development goals

Pyrolysis operations contribute to 8 of the 17 Sustainable Development Goals (SDGs).

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Affordable and Clean Energy logo
Industry, innovation and Infrastructure logo
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Want to know more about our projects?

Chat with our experts to explore how we can help you set up your pyrolysis projects.

Latest insights

Onnu Biochar open for business!

Onnu Biochar open for business!

Biochar
Company

Announcing the launch of our biochar marketplace, Onnu Biochar for trade and commercial sales of our growing biochar supply.

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Onnu opens Kuala Lumpur office

Onnu opens Kuala Lumpur office

Company

We are delighted to announce that we are opening an office in Kuala Lumpur! After working on a number of exciting projects in Malaysia and SE Asia, it's time to build our local presence as we move to implementation mode.

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Onnu to build UK's largest pyrolysis plant

Onnu to build UK's largest pyrolysis plant

Company
Biochar
Carbon removal

Onnu taps into growing biochar demand with UK’s largest pyrolysis plant. The new biochar plant in Welshpool will generate 2,000 tonnes of biochar every year

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Let's talk

Find out more

Pyrolysis.

Pyrolysis

Our Green Energy Hubs produce large amounts of excess heat which can be delivered as a fully sustainable, carbon negative energy source for your business.

Pyrolysis
Carbon removal.

Carbon removal

Pyrolysis is the only practical and available carbon removal technology available today, and is a critical tool for the world's journey to Net Zero.

Carbon removal
Biochar.

Biochar

Biochar is a long-term store of carbon, and an effective soil additive improving plant yields and health. We are committed to producing it on a large scale to make a real difference in the fight against climate change.

Biochar
Biomass.

Biomass

What types of biomass is suitable for pyrolysis?

Biomass
Technology.

Technology

What goes into a pyrolysis plant and how does it work?

Technology
Green energy.

Green energy

How does pyrolysis generate green energy?

Green energy