KNW-Opt
Table of contents
Basic data
Status | ongoing |
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Funding source | Federal Ministry for Economic Affairs and Climate Action (abbreviated BMWK) |
Funding reference number | 03EN3020D |
Project term | 2020 - 2024 |
Summary
In Bad Nauheim, a pilot project of this magnitude is currently under construction for a new grid-connected heating and cooling supply. A two-layer large collector with 22,000 m² collector surface in connection with a 6 km long cold local heating network (KNW) will serve the supply of about 400 residential units. Care has already been taken during the planning stage to make the implementation of scientific monitoring possible, which will enable, among other things, scientific systemic commissioning. Likewise, soil science and optimization of the overall system represent an integral part of KNW-Opt. The implementation of this technology on a large scale as well as the scientific monitoring of this beacon of the energy transition represents a unique opportunity for German energy research! The metrological recording is designed to be able to elicit the long-term effects of heat extraction on the ground. For this purpose, a measurement concept is developed and the retrofitting of the technology in all parts of the system is considered. With a measuring field at the large-scale collector in connection with the soil investigation, scientific evaluations regarding the large-scale thermal behavior of the soil can be carried out. Likewise, the results will be used to develop a tool for evaluating horizontal extraction on a large scale in planning in the future. The measurement technology of the KNW provides information about the distribution of heat/cold in the network and shows optimization potentials. Another focus is on the grid efficiency of the overall system. The seasonal shifting of electricity surpluses in the system in the form of heat/cold is also part of the scientific investigations. The findings are published on an ongoing basis and made known to national and international research circles dealing with similar issues, as well as to practitioners.
Partners
- Public Utility Bad Nauheim Ltd.
- Technische Hochschule Nürnberg Georg Simon Ohm
- Geozentrum Nordbayern Erlangen
- Consolinno ENERGY Ltd. Regensburg
- Enisyst Ltd. Pliezhausen
Project coordination
Research assistant
NameDipl.-Ing. Hans Petzold
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