ESKOM South Africa
CSP Augmentation Conference
PE2 – operational experience
August 2013
1
Puerto Errado 2 Project Overview
Project Profile and milestones
Puerto Errado 2 Milestones
Puerto Errado 2
Key data
 Dec 2008:
EPC Contractor
Novatec Solar
Net Aperture Area
302,000m²
 April 2011: Financial Close
Turbine
2x 15 MW turbines GE Termodyne
 April 2012: Completion of Construction
Cooling
Air cooled condensers
 Aug 2012:
Solar share
100%
Operating
Temperature
Up to 270°C
Operating Pressure
Up to 55bar
Peak Thermal
Output
150MWth
Peak Electrical
Output
30MWel
Due Diligence of EBL on PE1
 June 2009: Signing Investment Agreement
 April 2010: Start of Site Activities
Start of Operations
 June 2013: Final Acceptance Tests
confidential
2
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
Acceptance
Technical
specifications
Actual versus
guaranteed
performance
Availability
Monitoring
Performance
Monitoring
Actual versus
target
performance
GUARANTEED KEY PERFORMANCE INDICATORS
Project Development
Solar Field Erection
Solar Field Operation
3
PE2 performance guarantees
• 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
confidential
4
First FAT 20 Day Test (Summer 13)
5
Target versus actual on 23/06/2013
40
1000
900
35
800
30
Pel [MW]
25
600
20
500
DNI [W/m²]
700
400
15
300
10
200
5
100
0
6:00 AM
8:00 AM
Real Pel [MW]
10:00 AM
12:00 PM
Model Pel [MW]
2:00 PM
4:00 PM
DNI [W/m²]
6:00 PM
8:00 PM
0
10:00 PM
Focused Solarfield Area % * 10
6
PE2 Plant Availability 99,8%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
Aug 12 Sep 12 Oct 12 Nov 12 Dec 12 Jan 13 Feb 13 Mar 13 Apr 13 May 13 Jun 13 Jul 13
7
Propietary low cost cleaning machines
 Low HR Requirement
 Cleaning Performance
(4000 m² per Hour => 2
MWth)
 Very low Water Consumption
(~ 2 Liter per m² an year)
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
NOVA-1 Receiver
SUPERNOVA / DMS Receiver
Primary Reflector Design remains the same for all Receivers
- confidential -
10
Supernova – Constant high steam temperatures
Control of Outlet Temperature via Focusing/Defocusing
- confidential -
11
Constant superheated steam temperature
despite Fluctuating DNI
Fluctuating DNI and stable temperatures
- confidential -
12
Conclusion
• 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
confidential
13
Puerto Errado 1, Spain 2009
Liddell solar augmentation, Australia 2012
Puerto Errado 2, Spain 2012
14