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Lahmeyer International GmbH Engineering and Consulting Services Energy Division; Business Unit Renewables and Economic

CSP Technology Selection Kuno Schallenberg Kuno.Schallenberg@de.lahmeyer.com +49 6101 55 1886 26 August 2013. Lahmeyer International GmbH Engineering and Consulting Services Energy Division; Business Unit Renewables and Economics. Company Data.

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Lahmeyer International GmbH Engineering and Consulting Services Energy Division; Business Unit Renewables and Economic

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  1. CSP Technology Selection Kuno Schallenberg Kuno.Schallenberg@de.lahmeyer.com +49 6101 55 1886 26 August 2013 Lahmeyer International GmbHEngineering and Consulting Services Energy Division; Business Unit Renewables and Economics

  2. Company Data Lahmeyer Group: 12 Affiliated Consolidated Companies Foundation: 1966 Headquarter: Bad Vilbel, Germany Employees (2012): 1560 (Group) Turnover (2012): 157 million Euro (Group) Sites: Company Sites and Subsidiaries in 21 Countries Projects: In 165 Countries Activity: Technical and economic planning and consulting services Fields (Group): Energy Hydropower & Water Resources Building & Transportation WaterSupply & Sanitation

  3. Key Data Business Unit Renewables and Economics (BU2) Lahmeyer History working in hydropower business since 50 years, in new and renewable energy in Renewables: business since 25 years Scope BU2:all non-traditional renewable energies: solar, wind, biomass&waste, geothermal energy Employees (2012): 59 Turnover (2012): 12 million Euro Projects: In more than 90 Countries Activity: Technical and economic planning and consulting services Wind Geothermal Energy Solar Biomass & Waste

  4. Range of Services Project Management and Quality Assurance ContractManagement Operation and Maintenance Management Market Analyses, Energy Economic Studies Planning, Tendering and Purchasing Feasibility Studies Detailed Design Defects Liability Management Design Review Due Diligence Construction and Erection Supervision Rehabilitation Commissioning Conceptual Planning Training for Design, Project Management and Operation Implementation Phase Operation Phase Pre-Investment Phase Betriebsphase Option: Contract Award EPC Start of Operation

  5. General Process Diagram CSP Plant Auxiliary Input Fuel Inputs Fuel Emissions Reflector Absorber Solar Field Power Block Concentrated SolarRadiation Kinetic Energy Thermal Energy ThermodynamicProcess Generator Storage Thermal Energy Storage Thermal Energy Solar Field Technologies • Parabolic Trough (PT) • Tower (T) • Fresnel (F) • Dish (D)

  6. Possibilities for CSP Integration in Conventional Plants Economizer Selective Catalytic Reduction Desulphurisation Secondary Air Steam Gen. Superheater HPT LPT G Reheater Feedwater Heater Feedwater Heater Deaerator

  7. Annual solar to electric efficiency vs. Technical maturity 7

  8. Site Sensitive Conditions Site Shape/Slope - + + + - Wind Speed - - + + - - + Modularity Water Consumption + - - - Financing - + +/- -

  9. High Risk Components/Characteristics • End hoses and ball joints • Steam generator • Limited cost reduction possibilities • Limited storage options • Steam control during transient conditions • Leakage of working fluid from Sterling Engine • Optics • Limited and unproven storage options • Receiver functionality and longevity • Heliostat Control System

  10. Potential Risk Categories (Examples) • Solar Collectors/Field • Solar Absorbers/Receiver/Engine • Steam Generator • Steam Turbine and Generator • Thermal Energy Storage • Plant Control Systems • Performance Simulation/Model • Construction • Geotechnical

  11. Technology Risks (Examples)

  12. LCOE Estimations • Parabolic Trough – 200-330 USD/MWh • Tower – 160-270 USD/MWh 1: dr = Discount Rate Source: IEA-ETSAP and IRENA Technology Brief E10 – January 2013

  13. Cost Uncertainty LevelSource: World Bank, ESMAP, Cost Drivers Overview, 2010

  14. Cost Comparison • Cost is a sensitive issue, and an important one • Influencing factors on cost of CSP plants • Competitive situation of component suppliers (e.g. oligopoly) • Competitive situation of markets (e.g. generous Spanish CSP-tariffs) • Risk evaluation (e.g. new technologies, countries, companies’ infrastructure) • Irradiation influences energy yield and hence LEC

  15. Bankability HIGH Parabolic Trough Solar Tower Linear Fresnel Dish Sterling Perceived Risk LOW Bankability LOW HIGH

  16. Market Status of CSP TechnologiesSource: CSP Today

  17. Thank you for your Attention Questions?

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