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General information |
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Name |
Cologne Transit Authority (Kölner VKB)
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Country installed |
Germany
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Address |
Köln am Rhein
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Industry sector, NACE code |
H - Transporting and storage
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Solar thermal system owner / operator |
Kölner VKB
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Solar thermal engineering company |
Ritter XL Solar
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Process integration engineering company |
Ritter XL Solar
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Year of operation start |
2014
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Technical parameters |
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Collector technology |
evacuated tube collector
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Collector name |
XL 50 P
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Installed collector area (gross), m² |
237.0
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Installed collector area (aperture), m² |
216.0
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Installed collector area (absorber), m² |
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Installed thermal power (estimated), kWth |
165.9
(Default value calculated by multiplying the gross collector area by 0.7 kWth/m²)
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Solar collector loop heat transfer fluid |
water
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Solar energy storage |
short-term water storage
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Storage volume, m³ |
25.2
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Kind of conventional heat source |
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Kind of fuel used |
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Process |
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Solar thermal energy used for |
heating of air for drying lack
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Unit operation |
drying
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Point of Solar Heat Integration |
B2) Heating of process medium (please specify)
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--> Integration how and where |
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--> Temperature range process |
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--> Temperature range solar loop (min/max), C° |
70°C target temperature from collectors to storage
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Economic parameters |
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Total investment costs (excl. VAT), € |
1.00
(Turnkey costs including solar collectors, piping, support construction, storage, design, commissioning reduced with subsidies)
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Solar loop (excl. VAT), € |
(Solar collectors, piping, support construction)
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Solar energy storage (excl. VAT), € |
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Others (excl. VAT), € |
(Design, commissioning, others)
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Process integration (excl. VAT), € |
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Subsidy, € or % of total investment costs |
not known
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Cost for fuel replaced, €/MWhfuel |
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Calculated solar thermal system life time, a |
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Annual useful solar heat delivery, MWh/a |
80
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Specific annual useful solar heat delivery, MWh/am² |
0.34
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Specific investment costs, €/m² |
0.0
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Solar fraction, % |
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Lessons learned |
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Initiative |
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Integration methodology |
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Crucial Interfaces |
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Construction / Commissioning |
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Operation / Performance |
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Recommendations |
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