Solar Technology from Germany– Solar Thermal, Solar Cooling and Concentrated Solar Power (CSP) AHK Germany- India (Kolkata) Industry Conference 06.05.2010 placeholder partner logo Anton Neuhaeuser Fraunhofer Institute for Solar Energy Systems (ISE)
Solar Technology from Germany– Solar Thermal, Solar Cooling and Concentrated Solar Power (CSP)AHK Germany- India (Kolkata)Industry Conference 06.05.2010
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Anton NeuhaeuserFraunhofer Institute for Solar Energy Systems (ISE)
• Motivation• Domestic Hot Water• Solar Cooling• Solar Process Heat• Concentrated Solar Power (CSP)
Solar Technology
Solar Resource
SolarWind
Biomass
Geothermal
Hydro
Annual world energy demand
© Fraunhofer ISE
Solar Radiation Potential – Global Horizontal
© DLR
Solar Thermal Power (total in operation) – World 2008 (~ 184.000.000 m2)
Europe
USA & Canada
India
Israel
RoW
China
Australia S/M-
America
Turkey
Japan
© BSW
Installed Solar Thermal Power – in Germany
© BSW
Applications for Concentrating Collectors
Tem
pera
ture
• Industrial Prozess Heat• Solar Cooling• Off-grid Electricity • Polygeneration
Medium Scale Plants
• Solar Cooling (single stage)• Low Temperature
Process heat
Vacuum TubeCPC Collectors
• Domestic Hot Water
Flat Plate Collectors
ElectricityCSP Plants
Gravity Flow (Thermosiphon)
ThermosiphonGravity Flow2-3m2 collector area100-200 l. solar storage tankCosts ~ € 1,000 – 1,500
© Solarpraxis
Typical System for Germany
Typical data for Germany(4-person household)Forced circulation5-6m2 collector area300-400 l. solar storage tankCosts ~ €4,000 – 5,000
Condensing boileroli, gasnew: wood pelletsrarely: elec. power
Flat-plate or vacuum tube collector
Solar station with controls and circulation pump
Waterstorage tank
Cold water inlet © BSW
Applications for Concentrating Collectors
Tem
pera
ture
• Industrial Prozess Heat• Solar Cooling• Off-grid Electricity • Polygeneration
Medium Scale Plants
• Solar Cooling (single stage)• Low Temperature
Process heat
Vacuum TubeCPC Collectors
• Domestic Hot Water
Flat Plate Collectors
ElectricityCSP Plants
Solar Radiation and required Cooling Load
© BSW
Solar Assisted Cooling (SAC) – Example (Hotel in Spain)
328
collectors34
5 m2absorber areaoutp
ut 274 kW
peak
3 tankscapacit
y 36,000
ltr
Auxilliary heatingoutp
ut 259 kW
110
apartementes 3 ba
rs2 restaurants
HotelBelroy
Palace
© BSW
Solar Assisted Cooling (SAC) – Example (Hotel in Spain)
© BSW
Applications for Concentrating Collectors
Tem
pera
ture
• Industrial Prozess Heat• Solar Cooling• Off-grid Electricity • Polygeneration
Medium Scale Plants
• Solar Cooling (single stage)• Low Temperature
Process heat
Vacuum TubeCPC Collectors
• Domestic Hot Water
Flat Plate Collectors
ElectricityCSP Plants
Industrial Energy Demand
© Mirroxx
Industrial Process Heat
SteamSeparator
Boiler
Industrial Process
Steam Boiler for Backup
SteamWater-Steam-Mix
Example – Roof Integrated Linear Fresnel Collector for Solar Cooling
Seville, Spain (Source:Mirroxx GmbH)
Applications for Concentrating Collectors
Tem
pera
ture
• Industrial Prozess Heat• Solar Cooling• Off-grid Electricity • Polygeneration
Medium Scale Plants
• Solar Cooling (single stage)• Low Temperature
Process heat
Vacuum TubeCPC Collectors
• Domestic Hot Water
Flat Plate Collectors
ElectricityCSP Plants
Concentrated Solar Power (CSP) - Technologies
Receiver
Parabolic Mirror
Heat Transfer System
Support Structure
© Fraunhofer ISE
Parabolic Trough und Linear Fresnel Collector Technology
Solar Tower und Dish-Stirling Technology
Source: Abengoa
CSP-Projects World Wide
• 13 GW under development and construction world wide
• 9 GW in USA,• 3,5 GW in Spain• Mostly Parabolic
Trough Technology
Summary
• Systems for a wide range of temperatures and applications available
• Growing number of installed systems world wide• German Suppliers and Research Institutes:
• Know-how covering the complete value chain • Aim: efficient and cost competitive CSP-Components
Thank you!
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Dipl.-Ing. Anton NeuhaeuserSolar Thermal Power [email protected] Institute for Solar Energy Systems ISE