About anessa

anessa is a software company specializing in the biogas industry that has developed robust and sophisticated software products to assist clients in assessing, validating and operating anaerobic digestion plants. These innovative software solutions are computerizing the task of anaerobic digestion project assessment and optimization. Our products are designed to bring intelligence and analytics into the workflow of engineering consultants, project developers and the facility owners. Our goal is to help our clients achieve success with their projects as well as provide viable long-term solutions to improve our environment by increasing the number of biogas projects globally.


Waste to energy process is challenging, but we have a solution for you

The preliminary assessment phase and plant operation of a multimillion dollar biogas project can be the difference between its success and failure. Project developers, consulting engineers and plant operators are relying on rudimentary tools and outdated information to complete these complex assessments and operating challenges. The variation in the characteristics of different waste materials and technical complexity of the process make this a more challenging task. Anessa has developed advanced intelligence software products to help the industry.


Services (find out about service categorizations)

  • Engineering and consulting
  • Operations
  • Testing and monitoring
  • Waste management services


  • Testing and Monitoring

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