Our
Story
History
Mission
Vision
Onnu was founded in the UK In 2021 as a consultancy advising African organisations on how to initiate and structure projects that would qualify for carbon credits. As part of this work, the Onnu team became familiar with biomass pyrolysis and it’s huge environmental and commercial potential.
Our mission is to drive the Net Zero transition by harnessing biochar technology. We will build a pyrolysis-based industry that transforms waste biomass into clean energy, removes carbon, manufactures biochar, and supports sustainable local economies through scalable, eco-friendly solutions.
By delivering commercially viable pyrolysis projects, and creating a vibrant biochar market in the UK, we have the conditions for this remarkable technology to flourish, delivering carbon removals at unprecedented scale.
Biochar
production
Biochar is made using a process called pyrolysis, and aside from the environmental benefits biochar delivers, it is a method of removing carbon dioxide from the atmosphere.
Onnu's Green Hubs in Herefordshire, UK, will deliver all the benefits of biomass pyrolysis, whilst also addressing the acute ecological challenges faced by the region from poultry litter run-off polluting the River Wye.
Building Our Own Plants
Establishing production facilities in the UK
Scaling Biochar Market
Driving large-scale biochar market growth
Onnu
Green Hubs
Maximising Environmental Impact
Starting in Herefordshire, Onnu's Green Hub series will quickly become among the UK's largest biochar manufacturing and carbon removal facilities.
Built and sited to maximise environmental benefit while being commercially self-sustaining, our Green Hubs take low-value waste biomass and process at scale using leading continuous pyrolysis technology from Woodtek Engineering.
Each site is located close to available feedstocks, maximises use of the excess green energy produced and acts as a biochar fulfillment centre to minimise transportation distances.
The first site has completed it's assessment by Puro and can be seen here.
1,800t
Biochar produces per year
3,000 tCO2e
Atmospheric Carbon Removal per year
1 MW
Green Energy Generated
As seen in
Why
Onnu biochar?
Scale
As the leading manufacturer of biochar in the UK - our high-tech, environmentally friendly manufacturing sites efficiently deliver high-quality biochar at scale to meet the nation's growing demand.
Consistent
Our UK manufacturing sites consistently produce high-quality biochar products and compost mixes for a range of different sectors across the UK.
Reliable
As a trusted UK biochar manufacturer, our partners can rely on us to ensure on-time delivery, flexible transportation solutions, and a dependable service from enquiry through to delivery and ongoing advice.
Since 2021, Onnu has built a team of professionals focused on the scientific, operational and commercial project development to build and run our own pyrolsyis plants, resulting in the roll-out of our Green Hub series.
This expertise means we are able to help other businesses looking to set-up pyrolysis operations and have advised many clients around the world on their pyrolysis journey.
Our services include:
- Project Validation
- Site Evaluation
- Plant Design
- Equipment Supply
- Carbon Credit Guidance
- Feedstock Trials
- Biochar Offtake
Meet
Our Team
Michael Douglas
Chief Revenue Officer
Oliver Lewis
Business Development Manager
Dinara Dassanayake
Sustainability Consultant
Tejas Rajput
Sustainability Consultant
Ciaran Nestor
Sustainability Consultant
Tom Welch
Fulfilment Operations
