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General information |
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| Name |
Sunwash Gratwein
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| Country installed |
Austria
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| Address |
Gratwein
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| Industry sector, NACE code |
S - Other services activities
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| Solar thermal system owner / operator |
Sunwash - II
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| Solar thermal engineering company |
Sonnen Energie GmbH
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| Process integration engineering company |
Viessmann
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| Year of operation start |
2002
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Technical parameters |
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| Collector technology |
flat plate collector
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| Collector name |
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| Installed collector area (gross), m² |
43.0
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| Installed collector area (aperture), m² |
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| Installed collector area (absorber), m² |
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| Installed thermal power (estimated), kWth |
30.1
(Default value calculated by multiplying the gross collector area by 0.7 kWth/m²)
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| Solar collector loop heat transfer fluid |
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| Solar energy storage |
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| Storage volume, m³ |
3.0
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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 |
Car Washing, Floor Heating
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| Unit operation |
cleaning
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| Point of Solar Heat Integration |
C) Other integration points (please specify)
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| --> Integration how and where |
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| --> Temperature range process |
60 for the washing, 20 - 90 for the floor heating
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| --> Temperature range solar loop (min/max), C° |
20 - 90
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Economic parameters |
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| Total investment costs (excl. VAT), € |
15,007.00
(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 |
no subsidies
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| Cost for fuel replaced, €/MWhfuel |
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| Calculated solar thermal system life time, a |
0
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| Annual useful solar heat delivery, MWh/a |
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| Specific annual useful solar heat delivery, MWh/am² |
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| Specific investment costs, €/m² |
349.0
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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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Source |
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| Author |
IEA - Task 49
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| Company of author |
Sonnenenergie Gmbh
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| E-mail |
info@sonnenenergie-gmbh.de
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| Phone |
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| Homepage |
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