Waste to energy companies focus on converting non-recyclable waste into energy. This innovative industry employs technologies like combustion and anaerobic digestion to create electricity and heat. With growing concerns over landfill waste and carbon emissions, these companies play a crucial role in promoting sustainability. Emerging technologies are being developed to enhance efficiency and reduce environmental impact, as regional regulations shift towards stricter waste management practices. As public awareness increases, the future of the industry looks promising, with ambitious targets for carbon neutrality and energy recovery driving investments and innovation.

This article features 21 waste to energy companies, reflecting a range of sizes from small to large. Headquartered in different countries, these firms have been established between 1917 and 2016, with operations specializing in converting waste into renewable energy and other resources. Publicly and privately owned, they deploy technologies like anaerobic digestion and gasification. Their diverse offerings underline the commitment to sustainable waste solutions, highlighting a growing trend toward eco-friendly energy production.

Continue reading to explore notable waste to energy companies operating.

Top 23 Waste To Energy Companies

1. Viridor

• Website: viridor.co.uk
• Ownership type: Private Equity
• Headquarters: Ardley, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 98%, Other 2%
• Latest funding: $5.5B, January 2020
• Founded year: 1957
• Headcount: 1001-5000
• LinkedIn: viridor

Viridor Limited, founded in 1957 and based in Ardley, England, is a prominent player in the waste management and recycling industry. The company specializes in transforming waste into valuable resources and energy, serving a wide range of businesses and organizations. With a workforce of over 1,100 employees, Viridor operates advanced facilities throughout the UK, focusing on recycling services and energy recovery solutions. Their Energy Recovery Facilities (ERFs) are designed to combust non-recyclable waste, generating energy while minimizing environmental impact. Viridor is committed to achieving carbon neutrality by 2040 and aims to be the first climate-positive waste and recycling company in the UK by 2045. Their recent initiatives, including the opening of the Avonmouth Resource Recovery Centre, demonstrate their dedication to reducing plastic waste and enhancing energy recovery capabilities. In 2020, Viridor was acquired by KKR, which has further solidified its commitment to sustainable infrastructure growth.

2. RePower South

• Website: repowersouth.com
• Ownership type: Private
• Headquarters: Charleston, South Carolina, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: repower-south

RePower South, founded in 2013 and headquartered in Charleston, South Carolina, is a private waste management and renewable energy provider. The company specializes in recycling and converting waste into clean energy, serving municipalities and industrial clients. With facilities in Berkeley County, South Carolina, and Montgomery, Alabama, RePower South employs advanced technology to recover recyclable materials and produce ReEF™ fuel, an EPA-designated non-waste engineered fuel that can replace coal in industrial and utility boilers. Their operations aim to enhance recycling rates, reduce landfill dependency, and create sustainable jobs within the communities they serve. By processing landfill-bound municipal solid waste, RePower South not only diverts materials from landfills but also contributes to a cleaner environment and a more sustainable energy future.

3. Keppel Seghers Qatar

• Website: keppelseghers.com
• Ownership type: Private
• Headquarters: Doha, Doha, Qatar
• Employee distribution: Qatar 98%, Philippines 2%
• Founded year: 1974
• Headcount: 10001+
• LinkedIn: keppel-seghers-qatar

Keppel Seghers Qatar is an environmental services company based in Doha, Qatar, that specializes in waste management and water treatment solutions. Founded in 1974, the company has built a reputation for addressing critical environmental challenges through innovative technologies. Keppel Seghers Qatar focuses on waste-to-energy solutions, providing comprehensive services that include solid waste management, sludge treatment, and operations and maintenance of waste facilities. The company is currently involved in significant projects in the Middle East, including contracts worth approximately S$1.7 billion for the engineering, procurement, and construction of an integrated solid waste management facility capable of treating 2,300 tonnes of waste per day. This facility highlights their commitment to advancing waste-to-energy technologies and improving environmental sustainability in the region.

4. Bioenergy Devco

• Website: bioenergydevco.com
• Ownership type: Private Equity
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $30.0M, March 2023
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: bioenergydevco

Bioenergy Devco, founded in 2016 and based in Annapolis, Maryland, is a private equity-backed renewable energy company that specializes in anaerobic digestion technology. The firm transforms food waste into renewable natural gas and nutrient-rich soil amendments, catering to municipalities, companies, and utilities. With a global presence that includes over 250 facilities, Bioenergy Devco is dedicated to providing sustainable waste management solutions that help clients achieve their environmental goals. The company has recently secured $30 million in funding, which underscores its commitment to expanding its operations and enhancing its technology. Bioenergy Devco's innovative approach not only reduces greenhouse gas emissions but also contributes to local economies by creating jobs and promoting sustainable practices.

5. Indaver

• Website: indaver.com
• Ownership type: Corporate
• Headquarters: Mechelen, Flanders, Belgium
• Employee distribution: Belgium 43%, Germany 16%, Ireland 12%, Other 30%
• Latest funding: February 2007
• Founded year: 1987
• Headcount: 1001-5000
• LinkedIn: indaver

Indaver, founded in 1987 and headquartered in Mechelen, Belgium, is a corporate entity specializing in sustainable waste management solutions. With a workforce of approximately 1,188 employees, the company operates across several European countries, including Belgium, Germany, Ireland, the UK, the Netherlands, Italy, France, Spain, and Portugal. Indaver's services include industrial waste management, material recovery, and energy generation from waste. They manage around 5.1 million tonnes of waste annually, with a significant portion processed for energy recovery. Their facilities utilize advanced technologies to convert waste into energy, supplying surplus energy to local businesses and residential areas. Indaver's commitment to the circular economy is evident in their efforts to recover valuable materials and energy from waste, positioning them as a key player in the waste management and energy sectors.

6. Plasco Conversion Technologies

• Website: plascoenergy.com
• Ownership type: Private
• Headquarters: Ottawa, Ontario, Canada
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: plasco-energy-group

Plasco Conversion Technologies, also known as OMNI Conversion Technologies, is a Canadian company based in Ottawa, Ontario, founded in 2005. The firm specializes in waste management and clean fuel production, offering innovative solutions through its Omni200 system. This patented technology converts a wide range of waste materials, including municipal solid waste, plastics, and food scraps, into clean fuels like hydrogen and renewable natural gas. The Omni200 system employs a thermo-chemical process that efficiently transforms waste into synthetic gases, which can then be refined into various clean fuels. Plasco actively collaborates with municipalities and project developers, helping them transition to sustainable energy practices while addressing pressing waste management challenges. The company is committed to promoting a circular economy, where waste is viewed as a resource rather than a burden, and aims to eliminate the need for landfills altogether. Their technology has been recognized for its potential to significantly reduce greenhouse gas emissions and support decarbonization goals.

7. Enerkem

• Website: enerkem.com
• Ownership type: Private Equity
• Headquarters: Montreal, Quebec, Canada
• Employee distribution: Canada 92%, United Kingdom (UK) 3%, Spain 2%, Other 3%
• Latest funding: $79.6M, April 2022
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: enerkem

Enerkem, founded in 2000 and based in Montreal, Quebec, is a clean technology company focused on transforming waste into sustainable biofuels and renewable chemicals. With a workforce of approximately 197 employees, Enerkem operates at the intersection of waste management and energy production. The company utilizes patented gasification technology to convert non-recyclable waste and residual biomass into valuable products, including biofuels and circular chemicals. Enerkem's projects, such as the Varennes Carbon Recycling facility and the Enerkem Alberta Biofuels plant, highlight their innovative approach to addressing waste and carbon emissions. In April 2022, Enerkem secured significant funding, further supporting their initiatives in the waste-to-energy sector. Their work not only contributes to the circular economy but also aids industries like marine transportation and aviation in meeting environmental regulations.

8. Doosan Lentjes

• Website: doosanlentjes.com
• Ownership type: Private
• Headquarters: Ratingen, North Rhine-Westphalia, Germany
• Employee distribution: Germany 80%, Poland 11%, Czech Republic 8%, Other 2%
• Founded year: 1928
• Headcount: 201-500
• LinkedIn: doosan-lentjes

Doosan Lentjes, based in Ratingen, North Rhine-Westphalia, Germany, is an environmental technology firm that has been operational since 1928. The company specializes in sustainable energy generation and waste management solutions, focusing on advanced technologies for waste to energy, air quality control, and sewage sludge incineration. With a workforce of around 172 employees, Doosan Lentjes serves clients primarily in the energy and waste management sectors. Their innovative approach aims to help clients meet stringent environmental standards while enhancing operational efficiency. The company is also a member of various industry associations, indicating its active participation in the waste to energy sector. Their commitment to research and development ensures that they remain at the forefront of technological advancements in waste management and energy generation.

9. Bioforcetech Corporation

• Website: bioforcetech.com
• Ownership type: Private
• Headquarters: South San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 70%, Italy 30%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: bioforcetech-corporation

Bioforcetech Corporation, founded in 2012 and based in South San Francisco, California, is a private company dedicated to advancing waste management technologies. The firm specializes in transforming organic waste into renewable energy and biochar, catering to municipalities and organizations seeking sustainable waste solutions. Their innovative systems are designed to significantly reduce waste volume—by up to 90%—and minimize environmental impact through automated processes. Bioforcetech's technology promotes a circular economy by converting biosolids and food waste into valuable products, thus addressing the pressing issue of organic waste disposal. The company operates in both the United States and Italy, reflecting its international reach and commitment to sustainability. Bioforcetech's focus on energy-positive solutions and carbon sequestration through biochar production underscores its role in the waste-to-energy sector, making it a notable player in the industry.

10. Biogen (UK) Ltd

• Website: biogen.co.uk
• Ownership type: Private Equity
• Headquarters: Bedford, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: $9.3M, July 2012
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: biogen-uk-ltd

Biogen (UK) Ltd, founded in 2005 and based in Bedford, England, is a waste management company that specializes in food waste recycling and renewable energy generation through anaerobic digestion. The company operates a network of nineteen anaerobic digestion plants across the UK, processing over half a million tonnes of organic waste each year. This process generates approximately 36MW of green electricity, enough to power a town for a year. Biogen serves a variety of clients, including supermarkets, restaurants, and local authorities, providing tailored solutions for sustainable waste management. Their operations also produce nutrient-rich biofertiliser, which is certified and sought after by farmers. Biogen is committed to high environmental and safety standards, holding various certifications such as ISO 9001, 14001, and 45001. They have received funding amounting to £9,309,383 in 2012, which has likely supported their growth and expansion in the waste management sector.

11. Attero

• Website: attero.nl
• Ownership type: Private Equity
• Headquarters: Apeldoorn, Gelderland, Netherlands
• Employee distribution: Netherlands 100%
• Latest funding: $237.9M, July 2023
• Founded year: 1929
• Headcount: 501-1000
• LinkedIn: attero

Attero, based in Apeldoorn, Gelderland, Netherlands, is a private equity-owned waste management company founded in 1929. With a workforce of around 656 employees, Attero processes over three million tons of waste each year, transforming it into new raw materials and renewable energy. The company serves a wide range of customers, including municipalities, businesses, and individuals, all seeking sustainable waste solutions. Attero's operations are pivotal in promoting the circular economy and addressing climate change, as they focus on converting various waste streams—such as restafval (residual waste), verpakkingsafval (packaging waste), and organisch afval (organic waste)—into valuable resources. Their recent funding of €237,855,276 in July 2023 highlights their commitment to innovation and expansion in the waste management sector.

12. Sierra Energy

• Website: sierraenergy.com
• Ownership type: Venture Capital
• Headquarters: Davis, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $33.0M, July 2019
• Founded year: 2004
• Headcount: 1-10
• LinkedIn: sierra-energy

Sierra Energy, founded in 2004 and based in Davis, California, is a waste management company that specializes in innovative waste-to-energy solutions through its proprietary FastOx gasification technology. This technology transforms various waste types, including municipal solid waste, biomass, and even hazardous materials, into clean energy such as electricity and fuels. The company operates a commercial-scale demonstration facility at Fort Hunter Liggett in California, where it collaborates with military and government clients to achieve sustainable waste management practices. Sierra Energy's commitment to reducing environmental impact and enhancing energy security is evident in its projects and partnerships. The company has attracted significant venture capital, securing $33 million in funding as of July 2019, which underscores its potential in the waste-to-energy industry. With a focus on innovation and a clear mission towards a zero waste future, Sierra Energy is actively contributing to the evolution of waste management solutions.

13. Eco Waste Solutions

• Website: ecosolutions.com
• Ownership type: Private
• Headquarters: Batavia, New York, United States (USA)
• Employee distribution: Canada 68%, United States (USA) 32%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn: eco-waste-solutions

Eco Waste Solutions, founded in 1993 and based in Batavia, New York, is a private waste management company that specializes in modular thermal treatment and waste-to-energy technology. With a workforce of 11-50 employees, the company has carved out a niche in providing innovative waste management solutions tailored for communities, military organizations, and natural resource companies. Their patented thermal treatment processes are designed to significantly reduce waste volume—by over 96%—while recovering valuable energy. Eco Waste Solutions has established a global presence with more than 80 installations across 18 countries, showcasing their technology's adaptability in various environments, from remote military bases to urban settings. The company has also been recognized for its commitment to environmental standards, ensuring that their systems meet or exceed North American and EU regulations for emissions. Their acquisition of Enercon Systems in 2016 further enhanced their capabilities, allowing them to offer scalable and efficient waste-to-energy solutions. Eco Waste Solutions continues to invest in research and development, ensuring they remain at the forefront of waste management technology.

14. InEnTec Inc.

• Website: inentec.com
• Ownership type: Private
• Headquarters: Richland, Washington, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $26.2M, April 2012
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: inentec-inc

InEnTec Inc., based in Richland, Washington, is a private company founded in 1995 that focuses on waste management and energy solutions. The company has developed a patented technology known as the Plasma Enhanced Melter (PEM), which effectively converts various types of waste into clean energy and valuable products. InEnTec serves a range of clients, including municipalities and industrial entities, helping them tackle waste disposal challenges while promoting sustainability. Their PEM technology is designed to process a wide array of waste materials, including municipal solid waste, industrial by-products, and medical waste, transforming them into ultra-clean fuels and other recycled products. InEnTec has successfully deployed multiple PEM facilities worldwide, showcasing its operational capabilities and commitment to addressing global waste issues. The company has also secured significant funding, with a reported amount of $26.25 million in 2012, indicating investor confidence in its technology and business model.

15. ResourceCo

• Website: resourceco.com.au
• Ownership type: Private Equity
• Headquarters: Rose Park, South Australia, Australia
• Employee distribution: Australia 96%, Malaysia 4%
• Latest funding: December 2020
• Founded year: 1993
• Headcount: 501-1000
• LinkedIn: resourceco

ResourceCo, based in Rose Park, South Australia, is a resource recovery company founded in 1993. The firm specializes in transforming waste into usable products, operating primarily in the recycling and waste management sectors. They provide services to governments, communities, and businesses, emphasizing sustainability and innovative technology. ResourceCo is recognized for its pioneering efforts in waste to energy generation, aiming to reduce reliance on fossil fuels. The company has developed significant partnerships with multinational corporations and has a proven track record in processing various waste streams, including construction and demolition materials, tyres, and organic waste. Their operations have resulted in the repurposing of over 60 million tonnes of materials, making them a significant contributor to carbon abatement efforts in the region.

16. GP Groot

• Website: gpgroot.nl
• Ownership type: Private
• Headquarters: Alkmaar, North Holland, Netherlands
• Employee distribution: Netherlands 100%
• Founded year: 1917
• Headcount: 1001-5000
• LinkedIn: gp-groot

GP Groot, founded in 1917 and based in Alkmaar, North Holland, is a private waste management and recycling company. With a workforce of around 350 employees, GP Groot specializes in waste collection, recycling, and sustainable energy solutions. The company processes approximately 1.3 million tons of waste each year, focusing on converting waste into high-quality raw materials and energy. Their operations are underpinned by a commitment to the circular economy, emphasizing recycling and the reduction of waste at the source. GP Groot has also established renewable energy initiatives, including a solar park and wind turbines, which contribute to their energy needs and support their sustainability goals. They are involved in developing synthetic diesel from waste materials and are pioneering hydrogen fuel solutions, positioning themselves as a significant player in the waste-to-energy sector.

17. Phoenix Energy

• Website: phoenixenergy.net
• Ownership type: Private
• Headquarters: Walnut Creek, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 1-10
• LinkedIn: phoenix-energy-1

Phoenix Energy, founded in 2011 and based in Walnut Creek, California, is an environmental services company dedicated to carbon removal and renewable energy generation. The firm specializes in converting waste biomass into biochar and renewable energy, catering to utility companies, farmers, and municipalities. Their innovative approach not only helps reduce emissions but also promotes effective waste utilization. Phoenix Energy has a proven track record in carbon removal, avoidance, and sequestration, with ambitious plans to construct 50 carbon removal plants over the next ten years. Their projects, such as the North Fork Community Power Plant, aim to generate renewable energy while mitigating wildfire risks and creating sustainable jobs in local communities. The company emphasizes a carbon-negative conversion process that avoids harmful emissions, showcasing their commitment to environmental sustainability.

18. Nature Energy

• Website: nature-energy.com
• Ownership type: Corporate
• Headquarters: Odense, Denmark
• Employee distribution: Denmark 92%, France 3%, Other 5%
• Latest funding: March 2018
• Founded year: 1979
• Headcount: 201-500
• LinkedIn: natureenergy

Nature Energy, based in Odense, Denmark, is a biogas producer that has been operational since 1979. The company focuses on renewable energy solutions, specifically converting agricultural and industrial waste into green, CO2-neutral biogas. With a workforce of approximately 459 employees, Nature Energy operates 13 biogas plants in Denmark, along with facilities in the Netherlands and France. They process over 5.1 million tonnes of biomass annually, generating more than 207 million cubic meters of biogas, which can power thousands of buses or heat numerous homes. Nature Energy's business model emphasizes building, owning, and operating their plants, ensuring they are tailored to local needs and regulations. Their commitment to research and development, including a dedicated laboratory, aims to enhance biogas production efficiency and explore new biomass sources. Nature Energy is actively pursuing international growth, with plans to invest in new biogas plants across Europe and North America, reinforcing their role in the global green transition.

19. ReFood UK

• Website: refood.co.uk
• Ownership type: Private
• Headquarters: Doncaster, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: refood-uk

ReFood UK is a private waste management company based in Doncaster, England, founded in 2009. The company specializes in food waste recycling and renewable energy generation, providing essential services to businesses and organizations across the UK. ReFood helps clients manage food waste sustainably, significantly reducing their carbon footprints. They operate a national collection service and utilize advanced anaerobic digestion technology to convert food waste into renewable energy and bio-fertiliser. With facilities in Doncaster, Widnes, and London, ReFood has established itself as a key player in the food waste recycling sector. Their operations have resulted in the generation of millions of kilowatt-hours of renewable energy and the diversion of substantial amounts of food waste from landfills, demonstrating their commitment to environmental sustainability and efficient waste management.

20. Arn Bv

• Website: arnbv.nl
• Ownership type: Private
• Headquarters: Weurt, Gelderland, Netherlands
• Employee distribution: Netherlands 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: arn-bv

ARN B.V., based in Weurt, Gelderland, Netherlands, is a private waste-to-energy company founded in 1987. The company focuses on converting waste into energy, heat, and reusable materials, serving municipalities and businesses with sustainable waste management solutions. ARN operates a modern waste incineration facility that processes approximately 300,000 tons of non-recyclable household and industrial waste annually, generating around 150,000 MWh of electricity and 800 TJ of heat. Additionally, ARN has a biogas production plant that processes organic waste, producing biogas that is upgraded to natural gas quality. This gas is supplied to the public network, contributing to local energy needs. The company is also pioneering in diaper recycling, processing 15,000 tons of diapers each year, which highlights their commitment to innovative recycling methods. ARN's operations not only focus on energy recovery but also emphasize environmental sustainability and community engagement through initiatives like their environmental fund.

21. NOVAGO Sp. z o.o. (China Everbright Environment)

• Website: en.novago.pl
• Ownership type: Private
• Headquarters: Mokre, Masovian Voivodeship, Poland
• Employee distribution: Poland 100%
• Founded year: 1992
• Headcount: 201-500
• LinkedIn: novago-sp-z-o-o-china-everbright-international

NOVAGO Sp. z o.o., operating under the umbrella of China Everbright Environment, is a Polish company specializing in waste management and the production of alternative fuels. Founded in 1992, NOVAGO has developed a robust infrastructure for municipal waste treatment, focusing on converting waste into refuse-derived fuel (RDF). This fuel is primarily utilized in the cement industry, where it serves as a sustainable alternative to coal. The company operates six advanced waste processing installations across Poland, processing waste from multiple provinces. Their innovative approach includes separating waste into combustible and organic fractions, with the latter being used for biogas production. This biogas is then harnessed to generate electricity and heat, further contributing to their waste-to-energy efforts. NOVAGO's commitment to reducing landfill waste and promoting clean energy aligns with EU regulations and environmental goals, making them a key player in the waste management and energy sectors.

22. Severn Trent Green Power

• Website: stgreenpower.co.uk
• Ownership type: Corporate
• Headquarters: Chipping Norton, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 98%, United States (USA) 2%
• Latest funding: June 2024
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: severn-trent-green-power-limited

Severn Trent Green Power, founded in 2010 and based in Chipping Norton, England, is a corporate entity focused on waste management and renewable energy. The company specializes in food waste recycling and composting, providing services to local authorities and businesses. They operate a network of facilities across the Midlands, South Wales, and the Home Counties, processing around half a million tonnes of organic waste each year. Their operations include 11 anaerobic digestion facilities and four composting sites, which collectively produce 279 GWh of renewable energy annually. This energy is used to power homes and businesses, while also generating nutrient-rich liquid bio-fertilizer and premium-grade compost products. Severn Trent Green Power is recognized as the largest producer of renewable energy from food waste in England and Wales, demonstrating their significant role in the waste-to-energy industry. They are also part of the Severn Trent Plc family, which enhances their operational capabilities and community engagement efforts.

23. Deco S.p.a.

• Website: decogroup.it
• Ownership type: Private
• Headquarters: San Giovanni Teatino, Abruzzo, Italy
• Employee distribution: Italy 100%
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: deco-spa

Deco S.p.A., founded in 1989, is a private company based in San Giovanni Teatino, Abruzzo, Italy. With a workforce of approximately 48 employees, the company has carved out a significant role in the waste management and environmental services sector. Deco S.p.A. specializes in the construction and management of disposal and energy recovery plants, catering to both municipalities and businesses. Their operations span the design and management of municipal solid waste (MSW) disposal facilities, landfill gas generation plants, and mechanical biological treatment plants. The company emphasizes sustainability and innovation, striving to convert waste into valuable resources while ensuring compliance with environmental regulations. Deco S.p.A. has also developed an Integrated Management System certified by ISO standards, showcasing their commitment to quality and environmental protection.

Waste To Energy Insights: Key Companies

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