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General information |
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| Name |
Edmund Merl - Gourmet Foods
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| Country installed |
Germany
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| Address |
Brühl
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| Industry sector, NACE code |
C10 - Manufacture of food products
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| Solar thermal system owner / operator |
Edmund Merl GmbH & CO KG
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| Solar thermal engineering company |
Priogo AG
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| Process integration engineering company |
Priogo AG
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| Year of operation start |
2010
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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 |
568.0
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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 |
397.6
(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 |
short-term water storage
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| Storage volume, m³ |
30.0
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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 |
Rinsing and Cleaning of Bottle Plants
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| Unit operation |
cleaning
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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 |
60
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| --> Temperature range solar loop (min/max), C° |
20 - 60
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Economic parameters |
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| Total investment costs (excl. VAT), € |
207,900.00
(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 |
30% - grant on the whole invest of 297,000
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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 |
366.02
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| Solar fraction, % |
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Lessons learned |
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| Initiative |
Merl rates the use of renewable energies very high. The solar process heat plant helps to make the working processes even more environmentally friendly. A further goal of the company is to reduce energy costs permanently. For Merl it was important to cover a part of its energy demand by the solar process heat installation and reach a partially independency from increasing energy prices.
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| Integration methodology |
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| Crucial Interfaces |
For the realisation of this solar process heat plant the positive decision on the 30-%-grant was fundamentally decisive.
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| Construction / Commissioning |
The site logistic with the production plant in full operation requires sure instinct and a good
organisation.
The careful analyse of the heat demand and the heat flows within a company took approximately 1 year, after this the planning phase could be completed. The actual installation of the solar thermal plant and its commissioning could be realised in only 4 weeks.
For an optimal and smooth implementation of such an installation within a plant in full operation the encouragement of the client is indispensable, also the close cooperation between the technical management, the planers and the suppliers is particularly important.
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| Operation / Performance |
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| Recommendations |
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