21 Best Biomass Startups to Watch in 2025

The Definitive Seedtable Ranking of Biomass Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 21 start-ups with an aggregate funding of $1.2b. The average funding per company in this subset is $56.1m.

Last update to the database: Feb 18, 2025. See changelog.

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Orient Green Power logo

Orient Green Power

Orient Green Power is a Chennai-based firm involved in the development of biomass, wind, and small hydro projects.

1

Funding Rounds

$55.0m

Money raised

Enerkem logo

Enerkem

Enerkem is a Quebec-based company producing biofuels and renewable chemicals made from non-recyclable waste.

2

Funding Rounds

$302.7m

Money raised

Green Biologics Ltd logo

Green Biologics Ltd

A biotechnology company using microbiology and chemistry to produce consumer goods and industrial products.

1

Funding Rounds

$15.4m

Money raised

Bloom Energy logo

Bloom Energy

Bloom Energy is a San Jose, California-based hydrogen fuel cell company offering on-site power generation systems.

1

Funding Rounds

$130.0m

Money raised

Virent Energy Systems logo

Virent Energy Systems

Virent Energy Systems is a Madison, Wisconsin-based renewable fuel source company.

4

Funding Rounds

$74.9m

Money raised

Bloom Biorenewables logo

Bloom Biorenewables

Bloom Biorenewables is making biomass a true alternative to petroleum.

8

Funding Rounds

$3.4m

Money raised

Renmatix logo

Renmatix

Renmatix is a biorefinery company founded in 2010 by Srinivas Kilambi.

7

Funding Rounds

$159.7m

Money raised

Cool Planet Energy Systems logo

Cool Planet Energy Systems

Cool Planet Energy Systems is a technology company developing systems for producing biocarbon and renewable, carbon-negative fuel from biomass.

9

Funding Rounds

$204.2m

Money raised

3Degrees logo

3Degrees

3Degrees is a San Francisco-based provider of carbon offset and renewable energy services and solutions.

2

Funding Rounds

$4.0m

Money raised

Ze-gen logo

Ze-gen

Ze-gen is a gasification technology for producing energy from waste founded in 2004.

5

Funding Rounds

$53.6m

Money raised

Ways2H logo

Ways2H

Ways2H aims to produce renewable hydrogen for mobility and power generation from waste biomass.

1

Funding Rounds

Punjab Renewable Energy Systems logo

Punjab Renewable Energy Systems

Punjab Renewable Energy Systems Pvt. Ltd. (PRESPL) is an Indian biomass-based renewable energy company involved in biomass aggregation and supply chain management.

1

Funding Rounds

$5.0m

Money raised

Husk Power Systems logo

Husk Power Systems

Husk Power Systems is a Patna-based designer and provider of end-to-end renewable energy solutions through the installation of mini-power generation plants.

4

Funding Rounds

$45.0m

Money raised

GreatPoint Energy logo

GreatPoint Energy

Converts coal, petroleum coke and biomass into natural gas

3

Funding Rounds

$42.0m

Money raised

Nexterra logo

Nexterra

Nexterra is a Vancouver-based company operating gasification systems to self-generate clean, low cost heat and power through waste fuels.

3

Funding Rounds

$14.0m

Money raised

PolyBion logo

PolyBion

PolyBion is a company that specializes in materials science, biotechnology, and genetics.

1

Funding Rounds

$40.0k

Money raised

Biochar Now, LLC logo

Biochar Now, LLC

Biochar Now, LLC is a Loveland, Colorado-based company founded in 2011.

7

Funding Rounds

$39.5m

Money raised

Forest2Market logo

Forest2Market

Forest2Market is a Charlotte, North Carolina-based company founded in 2000 by Pete Stewart.

1

Funding Rounds

Sterecycle logo

Sterecycle

Sterecycle is a waste management company specialising in advanced systems for the treatment of municipal wastes and the conversion of the organic portion into a renewable energy biomass.

1

Funding Rounds

$8.0m

Money raised

Auro Mira Energy logo

Auro Mira Energy

Chennai-based firm currently present in renewable energy areas of biomass, small hydro and wind sectors.

1

Funding Rounds

$21.0m

Money raised

Advanced Cyclone Systems logo

Advanced Cyclone Systems

Advanced Cyclone Systems is a Porto-based company founded in 2008.

1

Funding Rounds

$1.5m

Money raised