Solar Thermal Application in Industry AHK Conference Johannesburg, South Africa, 30 th May 2017 www.efficiency-from-germany.info Dr. Uli Jakob Solem Consulting Johannesburg, South Africa, 30.05.2017
Global solar radiation kwh/m 2 /a Germany: 1,000 kwh/m 2 /a South Africa: 2,000 kwh/m 2 /a Source: Meteonorm (data), Friedemann Jung
Solar thermal collectors for process heat and cooling Volumetric air Flat plate Evacuated tube Source: Fraunhofer ISE Parabolic trough Source: Wagner & Co Fresnel Source: Ritter XL Solar Source: Smirro Source: Industrial Solar
Temperature ranges for process heat and cooling 250-450 C Large troughs and Fresnel Utility scale power Generation Industrial Process Heat 130-250 C Small troughs and Fresnel Industrial Process Heat Solar Cooling (double-, triple-effect H 2 O-LiBr) Commercial Water Heating Distributed Power Generation 90-130 C Vacuum tube CPC Collectors Solar Cooling (single-effect NH 3 -H 2 O) Low Temperature Process Heat 40-90 C Source: Industrial Solar Flat Plate Collectors Domestic Water Heating Space Heating Solar Cooling (single-effect H 2 O-LiBr, -Silica gel, -Zeolite)
Opportunities Solar thermal energy in Germany German technology leaders (selected examples): Process Heat and CSP players Engineering and services: 11 companies Component suppliers: 28 companies Implementation: 3 companies Research institutes: 3 institutes Solar Cooling players Engineering and services: 3 companies Component suppliers: 13 companies Implementation: 3 companies Research institutes: > 10 institutes Source: Prof. Dr. Kohlenbach, Solem Consulting
Solar Process Heat www.efficiency-from-germany.info
Industrial Energy Consumption 2/3 of industrial end energy consumption is thermal energy 1/3 of the industrial process heat demand is below 200 C Lighting Space heating Hot Water Mechanical energy < 200 C Process Heat
General scheme of solar process heat system Source: JER
Solar process heat installations in Europe (2015) Source: JER, Data from AEE Intec Approx. 85 installations with a total capacity of 20 MW th
Solar process heat collector types in Europe (2015) Source: JER, Data from AEE Intec
Collector size of installed SHIP systems in Europe (2015) Source: JER, Data from AEE Intec
World map of solar process heat specialists (2017) Source: solrico 71 suppliers of turnkey SHIP systems in 22 countries More than 500 installations worldwide (280 MW th )
Cost of solar process heat System components: Solar collectors (air / flat plate / vacuum / parabolic trough / Fresnel) Mounting system Puffer storage Piping, heat exchangers, insulation, etc. Control system Hydraulic integration in the process Specific costs (net): of a solar process heat system based on gross collector area 100 1.000 m 2 : 500-800 EUR/m 2 > 1.000 m 2 : 450-600 EUR/m 2 Source: Solem Consulting
REEMAIN study on solar process heat potential in Europe Source: REEMAIN (2016) Thermal output of 0.2 MW th at 80 C process temperature for a continuous process of a small company or a sub-process of a large company
Industry specific potential of solar process heat Source: Uni Kassel (2011)
Market segments of solar process heat Source: IEA SHC Task 49
Potential of solar process heat According to a study by the International Energy Agency (IEA) the volume of the European market for solar process heat is > 100 Billion EUR Still small production volumes rather high prices, cost reduction expected with growing production volumes Huge market potential, but market has to be developed
SHIP Application (Galvanic, Germany, 221 m 2 ) Source: Ritter XL Solar
SHIP Application (Meat production, Austria, 747 + 60 MW th ) Source: Fleischwaren Berger, Solera
SHIP Application (Dairy, Spain, 1 MW th solar steam) Source: Solera
SHIP Application (Eco-Paintshop for car industry) Source: Industrial Solar
Solar Cooling www.efficiency-from-germany.info
Solar cooling Solar resource vs. Cooling demand Resource and demand are in phase Global radiation Cooling demand Heat demand Excess solar heat in summer Source: SolarNext
Solar collector technologies Applications for solar cooling Solar thermal collector Heat transfer medium Collector temperature Application for cooling Air collector Air 40-60ºC Air-conditioning 20ºC Flat plate collector Water, Water-Glycol 70-90ºC Air-conditioning, slab cooling 15ºC Evacuated tube collector Water, Water-Glycol 90-120ºC Air-conditioning, slab cooling 0ºC Parabolic trough / Fresnel collector Thermal oil, Water 120-250ºC Refrigeration, air-conditioning, slab cooling -20ºC
General scheme of a solar cooling system collector field M Cooling water heat exchanger hot water storage tank M heating system absorption chiller M M cooling tower fan-coils Source: Solem Consulting compression chiller cold water storage tank Solar Hot water Chiller(s) Chilled water
Development of Solar Cooling Market Source: TECSOL / Solem Consulting
specific costs of solar cooling kits [EUR/kW cold] Cost development of solar cooling Kits (2007-2012) 9000 Source: Solem Consulting / Green Chiller 8000 7000-50% 6000 5000 4000 3000 2000 1000 0 2007 2008 2009 2010 2011 2012 year small capacity up to 10 kw medium capacity up to 50 kw large capacity above 50 kw Cost reduction of 45-55% within last 5 years!
Commercial available standardised solar cooling kits SolarNext (Germany) chillii Cooling Kit WFC175 Schüco (Germany) LB15 System Package Source: SolarNext Source: Schüco
SAC Application (Cosmetic industry, Greece, 700 kw c ) Sources: Sarantis
SAC Application (Winery, Tunisia, 12 kw c ) Sources: ANME Source: Domaine Neferis
Further information www.efficiency-from-germany.info
Links BMUB funded Solar Payback project Solar Heat for Industry (involved countries Brazil, Mexico, India and South Africa) SHIP plant database (www.ship-plants.info) EU funded SHIP projects InSun, FRESH NRG, REEMAIN (http://www.fp7-insun.eu, http://fresh-nrg.eu, http://www.reemain.eu) IEA SHC Task 49 on Solar Process Heat (http://task49.iea-shc.org) IEA SHC Task 48 and Task 53 on Solar Cooling (http://task48.iea-shc.org, http://task53.iea-shc.org)
Thanks for your attention! AHK Conference Johannesburg, South Africa, 30 th May 2017 www.efficiency-from-germany.info Contact: Dr. Uli Jakob Solem Consulting uli.jakob@solem-consulting.com