Supercritical CO2 Waste Heat Recovery and Utilization Technology

TransCanada Energy

Project Type


Project Value


Project Status



TC Acme Compressor Station, AB

Funding Amount


This project involves the installation of a demonstration waste heat recovery (WHR) generation system at one of TransCanada’s compressor station sites in Alberta. The technology is a first-of-a-kind approach in WHR and uses Supercritical Carbon Dioxide (sCO2) as the working fluid to recover waste heat from a gas turbine and convert it to emissions-free electricity. This new technology has the potential to achieve the elimination of water use, operational simplicity, minimal environmental impact and an increased heat recovery cycle efficiency. It also creates an additional value stream from what is now a wasted source of energy.

  • The project estimates GHG reductions up to 44,000 tCO2e/yr once fully implemented.
  • By creating carbon offsets from the displacement of grid electricity, this project has potential to reduce the facility’s CCIR compliance costs by up to $1.3M/yr.