Latest C-Green News & Updates

See the latest news and media coverage for C-Green. We track all announcements, press releases, and industry mentions in real time, all in one place.

C-Green

Hydrothermal carbonization of wet biowaste into biocoal

c-green.se

Headquarters: Solna, Sweden
Founded year: 2015
Company type: Private company
Number of employees: 15–50

Last updated Today

Latest news about C-Green

In short: C-Green raised over $4 million to upgrade its full-scale HTC facility in Heinola and accelerate the commercialization of its sludge technology.

Company announcements

June 5 C-Green

C-Green secures funding for Heinola upgrade

The raise of at least SEK 40 million funds the Design 3.0 Heinola upgrade to reach TRL 9; up to SEK 10 million will accelerate projects in Europe and India.

May 11 C-Green

C-Green upgrades its facility to next-generation HTC technology

The upgrade is based on experience from over 6,000 operating hours and aims to enable commercialization.

March 23 C-Green

UK launches sewage sludge regulation overhaul

DEFRA consults on stricter environmental permitting for agricultural use, addressing contaminants like PFAS. Consultation closes March 2026.

March 17 C-Green

C-Green reports new Dutch tax on sludge incineration

The tax rises from €0 to over €90 per tonne by 2028, pressuring sludge volume reduction and circular solutions.

Media coverage

May 11 Dagens industri

C-Green upgrades its full-scale plant in Heinola to next-generation HTC technology

After several years of operational experience and development, C-Green is now upgrading the plant at Stora Enso's Heinola Fluting mill, where sludge...

3 November 2025 Dagens industri

C-Green takes the next step in PFAS mapping in the conversion of sludge to biochar

Over the past year, C-Green has investigated how PFAS-contaminated sludge behaves in HTC processes. The results provided important insights into the occurrence and behavior of various PFAS compounds...

12 May 2025 Dagens industri

C-Green AB launches a new generation of HTC technology for sludge drying

C-Green's updated HTC technology builds on our proven solution, but now offers higher energy efficiency, lower operating costs and a more robust process. The streamlined operation provides...

8 March 2023 Jordbruksaktuellt

Cooperation agreement between Ragn-Sells and C-Green

C-Green OxyPower HTC biorefinery for sludge treatment in connection to Stora Enso's paper mill in Heinola, Finland. Photo: C-Green Häradsudden outside Norrköping will be the location for the first...

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