

C21st century. Inc
We turn your organic waste into energy & soil
Autonomous system for processing organic waste. Production of electrical energy, biochar and organic fertilizers.
Who We Are
C21st Century, Inc. is an American engineering company that designs and implements thermal processing plants for biomass, waste, and plastics to produce electricity, syngas, and biochar. Our technologies are focused on autonomous communities, agribusinesses, and partnerships with tribes and municipalities.
Challenge / Problem
Many remote areas face:
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high energy prices,
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lack of waste recycling,
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environmental damage from burning or burying biomass.
Our mission
Enable every community to manage waste and resources sustainably, efficiently and independently of external networks.
Turning Organic Waste into Community Assets

Our solution
We offer units with a capacity of 10 - 30 kW, capable of:
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processing local organic waste and wood,
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producing electricity and heat,
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producing biochar as a valuable by-product (improving soils, producing organic fertilizers and utilizing carbon),
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working autonomously, without connecting to the grid.
What we need
To implement the pilot project, we are looking for:
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Partnership with a tribe / farm
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Land (from 200 m²)
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Biomass / wood waste (1-2 tons / day)
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Support for a grant application (REAP / DOE / EPA / Tribal Energy)
Current status
Technical documentation is ready
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Equipment supplier (USA) has been identified
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Financing is provided through a bridge loan and grant
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Draft application documentation package is ready
