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Energetic renovation and management, RheinEnergie

Low Energy Districts in GrowSmarter Cologne

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www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Christian Remacly (MBA; B.Eng.)
RheinEnegie AG
Cologne
Stockholm Cologne Barcelona
Implementing Low Energy Districts in European
Cities - GrowSmarter
The energetic renovation and management of a neighbourhood
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
GrowSmarter
Energetic renovation of 16 Buildings (700 Apartments)
• New Energy Systems by RheinEnergie
- PV on all roofs (ca. 6.126 m², 1084 kWp)
- 41 air-water heat pumps for baseload (492 kWth)
- District heating for peak load (1743 kW)
- 16 Battery storages (210 kW, 655 kWh)
• Energetic refurbishment by Dewog
- Insulation (Facade/Roof/Basement)
- 3-glazed Windows
- Energy efficient Elevators
- LED conversion
• Programming of a Self-learning cloud-based energy platform
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
GrowSmarter
Results
Primary Energy
1549.95
1670.63
1225.74
738.75
431.74
0.00
200.00
400.00
600.00
800.00
1000.00
1200.00
1400.00
1600.00
1800.00
2000.00
2015 2016 2017 2018 2019
-72 %
CO2
* numbers weather-adjusted
* Calculated
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
GrowSmarter
Lessons Learned
• Renovation in the current tenancy
• High developmet costs
- Settlement was built on old industrial wasteland
- Upstream network had to be strengthened
- Conversion to larger house connections
• High coordination effort between the individual trades in the construction field
- Dependencies on other trades
- Manufacturer's promises were partially not fulfilled
• Little space for the system technology
- Basement rooms had to be rented
• Error in the measured values
- Data volume: approx. 6,000 data points per building every 15 minutes
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
GrowSmarter
Next steps/What are the replication plans?
• Experience from the project will be incorporated in future renovations
• Settlement management is optimized and extended to other facilities
• “Mieterstrom” is now a standard product of RheinEnergie
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Get the latest updates by signing up online!
This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no 646456.
The sole responsibility for the content of this presentation lies with the GrowSmarter project and in no way reflects the views of the European Union.
Christian Remacly (MBA; B.Eng.)
RheinEnergie AG
Parkgürtel 24
D-50823 Köln
Corporate Development
c.remacly@rheinenergie.com
Thank you!
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Energetic renovation and management, RheinEnergie

  • 1. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Christian Remacly (MBA; B.Eng.) RheinEnegie AG Cologne Stockholm Cologne Barcelona Implementing Low Energy Districts in European Cities - GrowSmarter The energetic renovation and management of a neighbourhood
  • 2. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 GrowSmarter Energetic renovation of 16 Buildings (700 Apartments) • New Energy Systems by RheinEnergie - PV on all roofs (ca. 6.126 m², 1084 kWp) - 41 air-water heat pumps for baseload (492 kWth) - District heating for peak load (1743 kW) - 16 Battery storages (210 kW, 655 kWh) • Energetic refurbishment by Dewog - Insulation (Facade/Roof/Basement) - 3-glazed Windows - Energy efficient Elevators - LED conversion • Programming of a Self-learning cloud-based energy platform
  • 3. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 GrowSmarter Results Primary Energy 1549.95 1670.63 1225.74 738.75 431.74 0.00 200.00 400.00 600.00 800.00 1000.00 1200.00 1400.00 1600.00 1800.00 2000.00 2015 2016 2017 2018 2019 -72 % CO2 * numbers weather-adjusted * Calculated
  • 4. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 GrowSmarter Lessons Learned • Renovation in the current tenancy • High developmet costs - Settlement was built on old industrial wasteland - Upstream network had to be strengthened - Conversion to larger house connections • High coordination effort between the individual trades in the construction field - Dependencies on other trades - Manufacturer's promises were partially not fulfilled • Little space for the system technology - Basement rooms had to be rented • Error in the measured values - Data volume: approx. 6,000 data points per building every 15 minutes
  • 5. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 GrowSmarter Next steps/What are the replication plans? • Experience from the project will be incorporated in future renovations • Settlement management is optimized and extended to other facilities • “Mieterstrom” is now a standard product of RheinEnergie
  • 6. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Get the latest updates by signing up online! This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no 646456. The sole responsibility for the content of this presentation lies with the GrowSmarter project and in no way reflects the views of the European Union. Christian Remacly (MBA; B.Eng.) RheinEnergie AG Parkgürtel 24 D-50823 Köln Corporate Development c.remacly@rheinenergie.com Thank you!

Editor's Notes

  1. Now a few words about our main and largest SmartCity Cologne Project: GrowSmarter. Together with the cities Stockholm and Barcelona, Cologne is a lighthouse city in this Horizon 2020 project. The vision is transforming cities for a smart, sustainable Europe. In a rapidly urbanising world cities need to become smarter to respond to citizen needs and to reduce their environmental footprint. GrowSmarter brings together cities and industry to integrate and demonstrate ‘12 smart city solutions’ in energy, infrastructure and transport, to provide other cities with valuable insights on how they work in practice and opportunities for replication. As cities face similar challenges, the idea is to create a ready market for these smart solutions to support growth and the transition to a smart, sustainable Europe.
  2. We follow an integrated project approach. As mentioned, the three areas of implementation are energy, infrastructure and transport. Each of the lighthouse cities coordinates one of these topics. Within the low energy district, we work on …. Regarding integrated infrastructures, the topics are… And in the sustainable urban mobility category, we work on… Our goals are… And these are the measures Cologne is involved in… (yellow)
  3. We follow an integrated project approach. As mentioned, the three areas of implementation are energy, infrastructure and transport. Each of the lighthouse cities coordinates one of these topics. Within the low energy district, we work on …. Regarding integrated infrastructures, the topics are… And in the sustainable urban mobility category, we work on… Our goals are… And these are the measures Cologne is involved in… (yellow)
  4. We follow an integrated project approach. As mentioned, the three areas of implementation are energy, infrastructure and transport. Each of the lighthouse cities coordinates one of these topics. Within the low energy district, we work on …. Regarding integrated infrastructures, the topics are… And in the sustainable urban mobility category, we work on… Our goals are… And these are the measures Cologne is involved in… (yellow)
  5. We follow an integrated project approach. As mentioned, the three areas of implementation are energy, infrastructure and transport. Each of the lighthouse cities coordinates one of these topics. Within the low energy district, we work on …. Regarding integrated infrastructures, the topics are… And in the sustainable urban mobility category, we work on… Our goals are… And these are the measures Cologne is involved in… (yellow)