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Solid waste management

Photo: COWI
​COWI combines our global experience based on cutting edge innovative and sustainable methods to create unique local solutions for the handling, treatment and disposal of waste, including waste-to-energy.

​- this is how COWI provides world class waste management and waste-to-energy solutions that includes all aspects of waste management, – with a passion for resources and energy.

Our geographical experience ranges from China in the East to Ireland in the West and from South Africa in the South to Greenland in the North, provided by knowledge sharing waste management competence hubs in Denmark, Norway, Sweden, the Middle East, Lithuania, and Russia.


COWI has repeatedly been identified as one of the global top 3 solid waste management by the US based ENR (Engineering News Record).

In 2014, COWI was selected the world no. 2 solid waste management consultant with a global SWM turnover of USD 21 million.

The list of countries in which we have carried out solid waste management assignments in 2010-2016 alone include:

  • Europe: Denmark, Sweden, Norway, Faroe Islands, Greenland, United Kingdom, Ireland, Poland, Bulgaria, Croatia, Albania, Serbia, Montenegro, Turkey, Moldova, Ukraine
  • Former Soviet Union/adjacent republics: Russia, Kazakhstan, Armenia, Georgia, Azerbaijan, Kyrgyzstan, Tajikistan
  • Asia: Pakistan, India, Bangladesh, Nepal, China
  • Gulf/Middle East: Oman, Qatar, Abu Dhabi, Dubai, Kuwait
  • Africa: Tunisia, Morocco, Mali, Ethiopia, Tanzania, Zambia, South Africa, Lesotho, Botswana, Uganda, Angola
  • Oceania: Australia
  • South Atlantic Ocean: Sankt Helena Island

COWI’s international solid waste management experience from previous years includes several other countries than the ones listed above.


We have more than 30 years experience in developing sustainable and cost-effective solutions for the handling, treatment and disposal of waste, including waste-to-energy solutions.

Globally, more than 200 staff are permanently working with waste issues and waste-related projects including waste planning, policy and regulation, waste-to-energy, biomass solutions, remediation of old dumps and polluted sites, business planning/development, public private partnerships, capacity building, communication, community engagement, data and IT solutions.

We draw on our many years of experience in the field of waste management, and our consulting services cover the whole range from planning and analyses over design, tenders and supervision to optimization of operations. Training, capacity building and financial/economic analysis are important aspects in many projects. 

In addition to the management of typical domestic and commercial waste stream, COWI has particular experience in the management of Health Care Risk Waste, Pesticides, Persistent Organic Pollutants (POPs), waste tyres, hazardous chemicals etc.

Our technology experience covers advanced receptacle and collection systems, sorting facilities, various types of waste-to-energy systems, biological treatment systems and sanitary landfill design.

Our more advanced project activities include, among others, the complete process engineering of bio-ethanol facilities, and development of repository options and preliminary design for radioactive waste from dismantled nuclear test reactors.



Whenever required, the work is carried out in multidisciplinary project groups consisting of engineers, institutional experts, economists, chemists, biologists, sociologists, geologists, hydro-geologists, communication specialists and environmental lawyers.

LAST UPDATED: 08.03.2017