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ESKOM South Africa CSP Augmentation Conference PE2 – operational experience

ESKOM South Africa CSP Augmentation Conference PE2 – operational experience. August 2013. Puerto Errado 2 Project Overview Project Profile and milestones. Puerto Errado 2 Milestones. Dec 2008: Due Diligence of EBL on PE1 June 2009: Signing Investment Agreement

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ESKOM South Africa CSP Augmentation Conference PE2 – operational experience

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  1. ESKOM South Africa CSP Augmentation Conference PE2 – operational experience August 2013

  2. Puerto Errado 2 Project Overview Project Profile and milestones Puerto Errado 2 Milestones • Dec 2008: Due Diligence of EBL on PE1 • June 2009: Signing Investment Agreement • April 2010: Start of Site Activities • April 2011: Financial Close • April 2012: Completion of Construction • Aug 2012: Start of Operations • June 2013: Final Acceptance Tests confidential

  3. Use of NOVATEC´s guaranteed performance values Guaranteed key performance indicators are used for performance modelling all along the project development chain Energy Yield Calculation Contract Technical specifications Technical Acceptance Actual versus guaranteed performance Availability Monitoring Performance Monitoring Actual versus target performance GUARANTEED KEY PERFORMANCE INDICATORS Project Development Solar Field Erection Solar Field Operation

  4. PE2 performance guarantees • ConversionofDirect Solar Radiation to Net Thermal Energy Output depending on Sun Angle Position • Conversion of Net Thermal Energy in Net Electrical Output • Start up & Restart Times • AverageMirrorCleanliness & Plant Availability • Final Acceptence Tests: Target versus Actual Performance Comparison on 1 minute Time Step Basis over 20 day Tests in 4 Seasons confidential

  5. First FAT 20 Day Test (Summer 13) 5

  6. Target versus actual on 23/06/2013

  7. PE2 Plant Availability 99,8%

  8. Propietarylowcostcleaningmachines • Low HR Requirement • Cleaning Performance • (4000 m² per Hour => 2 MWth) • Very low Water Consumption • (~ 2 Liter per m² an year)

  9. PE 2 Solar Field Cleanliness (monthly average based on daily measurements) 9

  10. NOVATEC´s Receiver Designs Vacuum Tubes are being used in Sections >300°C NOVA-1 Receiver SUPERNOVA / DMS Receiver Primary Reflector Design remains the same for all Receivers - confidential -

  11. Supernova – Constant high steam temperatures Control of Outlet Temperature via Focusing/Defocusing - confidential -

  12. Constant superheated steam temperature despite Fluctuating DNI Fluctuating DNI and stable temperatures - confidential -

  13. Conclusion • NOVATEC´s transparent anddetailed Performance Guaranteesare Key for a successfulAquisitonof Equity andDebt Providers • Final Acceptance Tests of PE2 so farProofNOVATEC´sOverperformance • PE2 Successis a solid Basis forthe Market IntroductionofNOVATEC´snew Technologies Supernova and DMS confidential

  14. Puerto Errado 1, Spain 2009 Liddell solar augmentation, Australia 2012 Puerto Errado 2, Spain 2012

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