Name

Terrawatt

Legal name

TerraWatt SAS

Website

https://terrawatt.earth

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Waste-to-Energy Services

NAICS

Fertilizer and Compost Manufacturing (32531), Compost Manufacturing (325315)

SIC

Agricultural Chemicals (2870), Agricultural Services (700), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Biochar Production & Soil/Material Applications (EUABAFAC)

akta.pro secondary industries

Biochar & Carbon-Based Soil Conditioners (AFABADAD), Biochar, Activated Carbon & Soil Amendments (from forest biomass) (IMAMALAH), On-Farm Circularity & Waste Valorization (Residue Management, Biochar, Manure/Organic Waste Use) (AFAGAMAI)

Keywords

• Biomethane production
• Biochar manufacturing
• Waste valorization
• Carbon sequestration
• Renewable gas technology

Headquarters

HQ city

Meslay-du-maine

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Technology or R&D, Personnel, Operations, Infrastructure

Revenue model

1. Biomethane Sales: Production and sale of biomethane derived from green waste pyrolysis and biological methanation. The biomethane can be injected into natural gas networks, sold as BioCNG/LNG for transport, or used for heat and electricity cogeneration.
2. Biochar/Biofertilizer Sales: Production and sale of biochar-based soil amendments (FENIX project product) for agricultural applications. Biochar improves soil fertility, water retention, and enables long-term carbon sequestration in soils.
3. Technology Licensing and Consulting: Potential licensing of proprietary pyrolysis-biological methanation technology to industrial partners. The company has patents on biological processes and develops industrial demonstrators (TRL 7), suggesting potential technology transfer revenue.
4. European Research Grants: Funding from European Union HORIZON program for SEMPRE-BIO and FENIX projects. These are grant-based revenues supporting R&D and demonstration activities (grant agreements No. 101084297 and No. 101113002).

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

TerraWatt operates a proprietary industrial process that couples pyrolysis (>600°C) with biological methanation to convert non-fermentable biomass (green waste, agricultural wood, forestry residues, compost) into two commercial products: Biomethane (renewable natural gas injectable into gas grids or usable as BioCNG/LNG transport fuel) and Biochar (~80% carbon content, stable in soil for hundreds of years, used as soil amendment). The FENIX Biofertilizer extends this offering by combining biochar with digestate for agricultural soil regeneration applications.

Product overview

Terrawatt operates as a cleantech company offering a coupled technology platform combining pyrolysis and biological methanation. The core TerraWatt Process transforms green waste, agricultural residues, and forestry biomass into two main products: high-quality Biochar (for carbon sequestration and soil amendment) and Biomethane (for renewable energy). The FENIX Biofertilizer represents an extension product combining biochar with digestate for agricultural soil regeneration. From 1 tonne of biomass, the process sequesters approximately 960 kg CO2eq through biochar, stores 4 tonnes CO2eq in regenerated soils, and avoids 735 kg CO2eq through biomethane production.

Differentiator

Problem solved

Functional benefit

Products and services

• Biochar

Quantifiable outcome

• 960 kg CO2 eq sequestered per tonne of biomass through biochar production
• +3 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• FENIX Project Consortium PartnerscoreStrategic or Co-development Partner · 1 January 2022Multiple European consortium partners collaborating on the FENIX project to demonstrate agronomic benefits of biochar-digestate soil amendments. Partners include European research institutions and companies working on sustainable waste management and agriculture.
• SEMPRE-BIO Project Consortium PartnerscoreStrategic or Co-development Partner · 1 January 2022European consortium partners collaborating on SEMPRE-BIO project to optimize biomethane production from non-fermentable biomass and demonstrate new technologies for European energy security.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Syncraft Engineering: Austrian developer of biomass gasification technology for combined heat and power with biochar co-production. Closely aligned with TerraWatt in biomass thermochemical conversion and dual-product output.
• HoSt: Dutch manufacturer of biogas and biomethane plants from agricultural and organic waste streams. Comparable to TerraWatt in biomethane production from non-conventional waste feedstocks and grid injection.
• Pyreg GmbH: German company specializing in pyrolysis-based biochar production from agricultural and municipal biomass, with carbon credit monetization. Closely comparable to TerraWatt in pyrolysis technology, biochar product, and carbon project focus.
• Carbonauten: German biochar producer focused on soil carbon sequestration and the voluntary carbon removal market. Comparable to TerraWatt in biochar-from-biomass product and carbon credit revenue model.
• Carbofex: Finnish biochar producer processing waste biomass into biochar for soil amendment and carbon sequestration applications. Highly comparable in feedstock, product, and end-market focus with TerraWatt.

Emerging players

• Charm Industrial: US carbon removal startup that converts biomass to bio-oil and injects it underground for permanent storage. Comparable as a carbon removal company using biomass feedstock and selling to voluntary carbon markets, although the storage pathway differs from TerraWatt's biochar.
• Climeworks: Swiss-based direct air capture (DAC) carbon removal pioneer and one of the largest suppliers of voluntary carbon removal credits. Comparable to TerraWatt as a carbon removal company targeting compliance and voluntary carbon markets, though the underlying technology (DAC vs. biochar) is fundamentally different.

Broad incumbents

• Schmack Biogas: Germany-based biogas plant engineering and operator (now part of Hitachi Zosen Inova) with broad biomethane operations across Europe. Overlaps with TerraWatt on biomethane production from biomass, though reliant on conventional anaerobic digestion.
• Veolia: Global environmental services major with substantial biomethane production and waste-to-energy operations across Europe. Overlaps with TerraWatt on biomethane distribution and waste valorization but operates at vastly greater scale across many services.
• Suez: French utilities and waste management major with biomethane and circular economy businesses across Europe. Comparable in biomethane production and green waste valorization, though with a much broader environmental services portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Terrawatt