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ESKOM South Africa CSP Augmentation ConferencePE2 – operational experience
August 2013
Puerto Errado 2 Project Overview Project Profile and milestones
Puerto Errado 2 Key data
EPC Contractor Novatec Solar
Net Aperture Area 302,000m²
Turbine 2x 15 MW turbines GE Termodyne
Cooling Air cooled condensers
Solar share 100%
Operating Temperature
Up to 270°C
Operating Pressure Up to 55bar
Peak Thermal Output
150MWth
Peak Electrical Output
30MWel
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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
Puerto Errado 2 Milestones
confidential
Use of NOVATEC´s guaranteed performance valuesGuaranteed key performance indicators are used for performance modelling all along the project development chain
GUARANTEED KEY PERFORMANCE INDICATORS
Project Development Solar Field Erection Solar Field Operation
Energy Yield Calculation
Contract
Technical specifications
Technical AcceptanceActual versus guaranteed performance
Availability Monitoring
Performance MonitoringActual versus
target performance
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PE2 performance guarantees
4confidential
• Conversion of Direct 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
Average Mirror Cleanliness & Plant Availability
Final Acceptence Tests: Target versus Actual Performance Comparison on 1 minute Time Step Basis over 20 day Tests in 4 Seasons
First FAT 20 Day Test (Summer 13)
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Target versus actual on 23/06/2013
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PE2 Plant Availability 99,8%
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Low HR Requirement
Cleaning Performance
(4000 m² per Hour => 2 MWth)
Very low Water Consumption
(~ 2 Liter per m² an year)
Propietary low cost cleaning machines
8
PE 2 Solar Field Cleanliness (monthly average based on daily measurements)
9
NOVATEC´s Receiver Designs
Vacuum Tubes are being used in Sections >300°C
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NOVA-1 Receiver SUPERNOVA / DMS Receiver
- confidential -
Primary Reflector Design remains the same for all Receivers
Supernova – Constant high steam temperatures
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Control of Outlet Temperature via Focusing/Defocusing
- confidential -
Constant superheated steam temperature despite Fluctuating DNI
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Fluctuating DNI and stable temperatures - confidential -
Conclusion
13confidential
• NOVATEC´s transparent and detailed Performance Guarantees are Key for a successful Aquisiton of Equity and Debt Providers
• Final Acceptance Tests of PE2 so far Proof NOVATEC´s Overperformance
• PE2 Success is a solid Basis for the Market Introduction of NOVATEC´s new Technologies Supernova and DMS
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Liddell solar augmentation, Australia 2012Puerto Errado 1, Spain 2009
Puerto Errado 2, Spain 2012
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