Clean Maine Carbon

What Clean Maine Carbon does

Clean Maine Carbon is a privately held Maine-based industrial operator that produces biochar and renewable energy from low-value waste wood. Founded in 2017, the company acquired and revitalized the Greenville Biomass facility near Moosehead Lake in Greenville, Maine, deploying over $4 million of self-funded capital to bring the asset back online. The company is owned by a group of life-long Mainers focused on rural economic development in Piscataquis County.

The company operates a pyrolysis-based process in which waste wood is burned in a high-pressure boiler to produce steam that drives a turbine for electricity generation; the residual carbon char (biochar) is captured as a soil-amendment product. Clean Maine Carbon's biochar is marketed as premium, 92%+ organic carbon, manufactured from Northeastern hardwood species (maple, oak, ash) sourced from Maine's sustainable forests, and holds OMRI Listed certification under USDA National Organic Program standards. The biomass plant is described as the only Class IA biomass resource in Northern Maine capable of providing continuous energy to the grid, and the company also sells low-grade thermal energy to neighboring end users such as schools and small hospitals.

The business model combines three revenue streams: bulk biochar sales to agricultural and horticultural buyers (priced on a quote basis via phone and an online order form), electricity sales to the power grid or off-grid customers, and thermal energy sales to nearby institutions. The company employs between 11 and 50 people, has no disclosed external institutional funding, and operates a single facility serving Northern Maine.

Name

Clean Maine Carbon

Legal name

Clean Maine Carbon

Website

https://cleanmainecarbon.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Biochar and Biomass Energy

NAICS

Biomass Electric Power Generation (221117)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Biochar Production & Soil/Material Applications (EUABAFAC)

akta.pro secondary industries

Forestry & Wood Waste Biomass Power (Sawmill Residues, Black Liquor) (EUACAIAG), Bio-based Carbon Products & Advanced Bioproducts (Biochar, activated carbon, carbon black alternatives) (EUAAAIAM), Biochar, Activated Carbon & Soil Amendments (from forest biomass) (IMAMALAH), Biochar & Carbon-Based Soil Conditioners (AFABADAD)

Keywords

• Biochar production
• Biomass energy
• Carbon sequestration
• Waste wood pyrolysis
• Renewable energy generation

Headquarters

HQ city

Greenville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Infrastructure, Operations, Supply Chain, Personnel, Technology or R&D

Revenue model

1. Biochar Sales: Clean Maine Carbon manufactures and sells premium biochar (92%+ organic carbon) made from Northeastern hardwood species (maple, oak, ash) from Maine's sustainable forests. Revenue generated through bulk orders with custom specifications available on request.
2. Electricity Generation and Sales: The Greenville Biomass plant generates electricity by burning waste wood in a high-pressure boiler to power a turbine. Energy is sold to the power grid or used by off-grid customers.
3. Thermal Energy Sales: Low-grade thermal energy is provided to neighboring end users such as schools and small hospitals.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Clean Maine Carbon operates the Greenville Biomass facility in Greenville, Maine, producing premium biochar (92%+ organic carbon) from Northeastern hardwood waste wood via pyrolysis, and generating continuous clean electricity and low-grade thermal energy from the same biomass process. The biochar is sold in bulk to agricultural and horticultural buyers, while electricity is supplied to the power grid and thermal energy is delivered to neighboring institutions such as schools and small hospitals.

Product overview

Clean Maine Carbon operates the Greenville Biomass facility as a dual-output biochar and clean energy production operation. The core portfolio consists of Premium Biochar (92%+ organic carbon biochar from Maine hardwoods) and Biomass Energy (continuous clean electricity and thermal energy from waste wood). The biochar is a carbon-capturing by-product of the energy generation process, and thermal energy is provided to local institutions. The company also offers bulk orders with custom biochar specifications.

Differentiator

Problem solved

Functional benefit

Products and services

• Premium Biochar Premium biochar with 92%+ organic carbon content manufactured from Northeastern hardwood species such as maple, oak, and ash sourced from the sustainable forests of Maine. Sold in bulk orders with custom specifications available on request. Targeted at agricultural and horticultural buyers for soil amendment and carbon sequestration applications.
• Biomass Energy (Electricity and Thermal) Continuous firm clean energy produced from low-value waste wood biomass via high-pressure boiler and steam turbine. Electricity is sold to the power grid or used by off-grid customers in Northern Maine. Low-grade thermal energy is supplied directly to neighboring end users such as schools and small hospitals. Biomass is positioned as the only Class IA resource able to provide continuous energy to the grid.

Quantifiable outcome

• Carbon can remain in soil for decades to centuries when biochar is buried or added to soils
• +1 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Biochar Supreme: Manufactures and distributes biochar and biochar blends for agricultural and environmental applications. It is a direct peer on converting biomass into saleable biochar products.
• The Biochar Company: Produces and sells biochar products for soil, agriculture, and carbon applications. It is a direct product-category peer to Clean Maine Carbon, which differentiates itself through an integrated biomass-energy facility.
• Carbon Gold: Markets biochar-based soil enhancement products to growers and gardeners. It is comparable on the biochar product and agricultural end-market, although it is primarily a branded soil-products business rather than a grid-scale biomass operator.
• Wakefield Biochar: Produces biochar from woody biomass for agricultural and other applications. Its feedstock conversion and biochar product focus are directly comparable to Clean Maine Carbon's core product.
• Sustane: Supplies organic fertilizers and soil amendments, including biochar-based products, to agricultural customers. It is comparable on the bulk soil-amendment use case served by Clean Maine Carbon.

Emerging players

• Pacific Biochar: Develops and supplies biochar products and supports soil and carbon applications. It is an emerging direct product peer, with a different scale and geographic footprint from Clean Maine Carbon.
• Aries Clean Energy: Develops biomass gasification and renewable-energy systems that convert organic feedstock into useful energy. It is an emerging integrated biomass-energy peer, although its primary commercialization model is technology and project development rather than regional biochar sales.

Broad incumbents

• Covanta: Operates waste-to-energy facilities that convert low-value feedstocks into electricity and useful energy. It is a broad incumbent comparator for the facility-based energy model, although its waste feedstock and product mix differ from Clean Maine Carbon's.
• Drax: Is a large renewable-energy operator with substantial biomass power generation capabilities. It is a broad incumbent comparator for the energy side of Clean Maine Carbon's business, but not a close biochar-product peer.

Regional players

• ReEnergy: Operates biomass-fueled power facilities in the United States, including the Northeast, using wood residues and other biomass feedstocks. It is a regional peer on waste-wood-to-energy operations and grid-scale power generation.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/cleanmainecarbon
• LinkedInlinkedin.com/company/clean-maine-carbon

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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 Clean Maine Carbon