Blue Sphere – Anaerobic Digestion

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Blue Sphere – Anaerobic Digestion

Turning unlimited waste into unlimited energy.

Company Description:

Blue Sphere Corporation is an international Independent Power Producer that transforms millions of tons of agricultural, municipal and industrial waste into sustainable clean energy and other by-products.

Instead of burying organic waste, Blue Sphere transforms these harmful materials into sustainable clean energy, helping to eliminate the release of greenhouse gases and replace the need for landfills that pollute our soil, underground water tables and atmosphere.

Technology Description:

Blue Sphere believes that organic waste can help supply a large and sustainable source of clean energy for growing global demands.

  The Blue Sphere waste-to-energy facilities sell electricity, natural gas, compost and other organic by-products primarily through fixed-rate power purchase agreements and renewable gas contracts.      

The waste-to-energy markets provide tremendous opportunity as there is a virtually endless supply of waste and organic material that can be used to generate power and valuable by-products. In particular, the disposal of organic material to landfills in most parts of the world is a costly problem with environmentally-damaging consequences. Blue Sphere offers a cost-effective, environmentally-safe alternative.

The Blue Sphere team brings decades of financing, regulatory, technology, and mass-scale project expertise to the $24+ billion waste-to-energy market. Blue Sphere also partners with various investors, banks and other institutions to fund developments at the project level.

Blue Sphere 301 McCullough Drive, 4th Floor Charlotte, NC USA 1-704-909-2806 Visit Company Website

Technology Type

  • Anaerobic Digestion


  • Project Developer
  • Service Provider


  • Energy


  • GHG
  • Odor
  • Pathogens

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Technology Strengths, Weaknesses and Critical Indicators

Anaerobic Digestion:

  • Long usable life and can be run reliably
  • Creates energy and generates environmental credits
  • Proper feeding & system monitoring is required to avoid system downtime
  • Proven technology for odor control
  • Proven technology for GHG reduction
  • Proven technology for pathogen reduction
  • Different types of systems produce varying gas production rates
  • Requires proper preparation of the feedstock
  • Requires other technologies for energy utilization
  • Requires other technologies for digestate handling
  • Requires other technologies to prevent nitrogen loss
  • Complex systems may require expertise not available on-farm

Newtrient Comments/Opinions:

Anaerobic Digester technology:

  • Is proven technology for odor, GHG and pathogen reduction and energy production
  • Has a long usable life and can be run reliably
  • Require proper preparation of the feedstock
  • Usually requires other technologies for energy utilization
  • Usually requires other technologies for digestate handling
  • Proper feeding & system monitoring is required to avoid system downtime

Blue Sphere currently has multiple digesters installed using a variety of feedstocks. They are currently developing systems and have ongoing projects under development. There is limited data available on the capital and O&M costs as Blue Sphere systems are typically built, owned and operated by Blue Sphere.

Newtrient will continue to work with Blue Sphere to further refine the cost and performance information as more information comes in with new commercial dairy installations.

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