STEN BLOG

From Vendor to Infrastructure Partner with STEN Membership
By Chris Hubbard, Vice Chairman of STEN April 6, 2026
For heat pump manufacturers, the next frontier isn’t in the air or the ground - it’s in the pipes. As urban centers scramble to decarbonize, Sewer Heat Recovery is emerging...
How Can We Make Data Centers Less Wasteful of Local Resources?
By Paul Kohl, STEN Chairman March 10, 2026
Data centers are a part of our modern life, a necessary component of our current infrastructure space. One of the main reasons stated for opposition to its local development is that they use too much electricity and water...
Wastewater Heat Powered Data Centers
By STEN Directors December 9, 2025
Data centers use a lot of electricity and this electricity produces heat, which is of value to local communities if they are able to capture and reuse it.
What a Sewer Heat Powered Data Center Future Could Look Like
By STEN Directors October 15, 2025
By pairing energy-hungry data centers with the untapped thermal potential of sewer systems, we can reimagine urban heat systems, reduce emissions, and turn waste into utility.
Interactive Projects Map
By STEN Directors July 9, 2025
This map shows the locations of 20 wastewater heat recycling projects in Germany which are currently in various stages of development...
Massachusetts DEP Wastewater Energy Recovery Pilot Program Offers Incentives
By Paul Kohl, STEN Chairman June 23, 2025
MassDEP Announces Their Newest Program. The state of Massachusetts is promoting sewage thermal energy use (STEU), what they call Wastewater Energy Recovery (WWER). This is a pilot program offering incentives, in the form of grants...
Transforming Wastewater into A Valuable Resource
By STEN Directors April 2, 2025
As the world searches for more sustainable alternatives to improve energy efficiency, wastewater heat recovery has emerged as a promising technology. This process captures and repurposes the heat from wastewater, reducing energy consumption and lowering greenhouse gas emissions...
Key Steps in Mapping Sewage Heat Availability
By Nick Meeten, Director of Innovation & Global Strategy March 18, 2025
As cities seek sustainable and efficient energy solutions, one often-overlooked resource is wastewater. Utilizing sewage heat recovery for heating and/or cooling buildings is one of the most exciting opportunities available for cities...
Unlocking the Potential of Sewer Thermal Energy for Wastewater Heat Recovery
By STEN Directors February 20, 2025
As the world seeks innovative ways to reduce carbon emissions and improve energy efficiency, one often-overlooked resource is gaining attention - Sewer Thermal Energy. Wastewater, which constantly flows through sewer systems, holds an immense amount of thermal energy that can be harnessed to heat and cool buildings, reducing reliance on fossil fuels and lowering energy costs.
MORE POSTS...