Category:District heating in Cologne
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Subcategories
This category has the following 4 subcategories, out of 4 total.
F
- Fernwärmetunnel Köln (7 F)
H
- Heizkraftwerk Köln-Merkenich (6 F)
- Heizkraftwerk Niehl (4 F)
- Heizwerk Südstadt (16 F)