UHRIG Energy
References
UHRIG has already installed 120+ wastewater heat recovery systems in Europe, all of which continue to run reliably. The oldest system has been running smoothly for around 16 years. The use of wastewater heat is a proven, straightforward, efficient way to decarbonize the heat supply for buildings.
Below you will find information about selected projects. There are now numerous studies that describe the overall potential of wastewater as an energy source. The consensus is that in Germany alone, the heating demand of around 4 to 12 million people could be covered by wastewater heat.
Well established and already successful in the market
We have already realized 126 major wastewater heating projects in Europe. Most of these are located in Germany, but also in France, Austria, Switzerland, Belgium, the Netherlands, Norway, and other countries. For the past two years, we have also been active in North America, where we established a subsidiary. Wastewater energy can be harnessed wherever there are people and a wastewater infrastructure.
Here is a small selection of our past projects. Please contact us if you would like to know more.
Bamberg, Lagarde, 2022
- Customer: Stadtwerke Bamberg GmbH
- Location: Bamberg, Germany
- Project: residential and commercial new-build
- Therm-Liner: Type B
- System length: 225 m
- Sewer: Box profile 2,550 mm (100’’)
- Thermal output: 1,000 kW heating
- Transport medium: Water with 20% glycol
- Multivalent: wastewater heat for base load coverage
- Electricity for the heat pump: proportionately via PV system
Berlin, House of Statistics, 2023
- Customer: Berliner Stadtwerke GmbH
- Location: Berlin, Germany
- Project: residential and commercial renovation
- Therm-Liner: Type B
- System length: 344 m
- Sewer: Circular profile 3,200/2,800 mm (126’’/110’’)
- Thermal output: 750 kW heating, 750 kW cooling
- Transport medium: Water
- Multivalent: wastewater heat for base load coverage
- Electricity for the heat pump: proportionately via PV system
Rheine, Environ, 2018
- Customer: Energie- und Wasserversorgung Rheine GmbH
- Location: Rheine, Germany
- Project: residential and commercial new-build
- Therm-Liner: Type B
- System length: 47 m
- Sewer: Semi-circular profile 1,680/2,100 mm (66’’/83’’)
- Thermal output: 105 kW heating, 113 kW cooling
- Transport medium: Water with 20% glycol
- Bivalent: wastewater heat and geothermal energy
- Electricity for the heat pump: proportionately via PV system
Stuttgart, Neckarpark, 2017
- Customer: Stadtwerke Stuttgart GmbH
- Location: Stuttgart, Germany
- Project: residential and commercial new-build
- Therm-Liner: Type A
- System length: 300 m
- Sewer: Box profile 2,400 mm (94’’)
- Thermal output: 2,100 kW heating
- Transport medium: Water with 20% glycol
- Multivalent: wastewater heat for base load coverage
- Electricity for the heat pump: proportionately via PV
Wangen, Erba heat grid, 2019
- Customer: Stadtwerke Wangen GmbH
- Location: Wangen im Allgäu, Germany
- Project: expansion of existing heat grid
- Therm-Liner: Type B
- System length: 250 m
- Sewer: Circular profile 1,900 mm (76’’)
- Thermal output: 400 kW heating
- Transport medium: Water with 20% glycol
- Woodchip furnace: 2 x 1,000 kW (feed/return: 85/55°C)
- Wastewater heat pump 1: 300 kW (feed/return: 62/55°C)
- Wastewater heat pump 2: 300 kW (feed/return: 68/62°C)
- CHP level 3: 300 kWth (feed/return: 75/68°C)
- Peak load gas/oil: 3,500 kW (feed/return: 85/55°C)
Winnenden, Gerberviertel, 2019
- Customer: Stadtwerke Winnenden GmbH
- Location: Winnenden, Germany
- Project: residential and commercial new-build
- Therm-Liner: Type B
- System length: 114m
- Sewer: circular profile 1,400 mm (56’’)
- Thermal output: 281 kW heating
- Transport medium: Water with 20% glycol
- Bivalent: wastewater heat for base load coverage
- Electricity for the heat pump: proportionately via PV system
