1. Concentrator Photovoltaics
Advancing PV Potential in Paso del Norte
Jane Melia, Director of Marketing
© SolFocus, Inc. 2012; Patents Pending

2. SolFocus, Inc.
Solar Equipment Company Providing
Commercial, Advanced
Solar Equipment Utilizing
Concentrator Photovoltaic Technology
Vision
Provide Lowest Cost Solar Energy
in High DNI (Sunny) Locations
Mission
Global Market Leader in CPV
Global Installed Base, Leading Technology, Profitability
Slide 2
© SolFocus, Inc. 2012; Patents Pending

3. SolFocus Overview
 History
• Founded in 2005…Silicon Valley Garage Start-up
• Headquartered in San Jose, California
• Privately held; 100 employees
 Market Position
• A leading player in the CPV segment
• >1200 CPV systems deployed (10MW) on 6 continents, in 13 countries
 Technology
• Differentiated CPV system design
• Intellectual Property in optics, cell integration, coatings, thermal
management, manufacturing technology; 10 Awarded Patents, 16 Filed and Pending
Patents
 Product Offering
• Third generation commercial product (deployed commercially since 2008)
• Fully certified to required standards in all target markets
• Proven field performance; backed by a strong warranty package
 Manufacturing
• Outsourced model for rapid scalability, low capital investment
Slide 3
• Highly automated, low-cost volume manufacturing
© SolFocus, Inc. 2012; Patents Pending

4. SolFocus Concentrator PV (CPV)
Silicon Concentrator PV Concentrated Solar Power
Photovoltaics Thin Film CPV CSP (Solar Thermal)
Uses High Efficiency, Multi-Junction PV Cells
 ~40% Efficient Today
 Roadmap of Increasing Efficiency to 50%+
 Robust Materials; High-Stress Operation in
Space for 30 Years
Slide 4
© SolFocus, Inc. 2012; Patents Pending

5. SolFocus Concentrator PV (CPV)
Silicon Concentrator PV Concentrated Solar Power
Photovoltaics Thin Film CPV CSP (Solar Thermal)
Features Concentrating, Reflective
Optical System
 650X Concentration
 Large Acceptance Angle for Best
Operational Performance
Slide 5
© SolFocus, Inc. 2012; Patents Pending

6. SolFocus Concentrator PV (CPV)
Silicon Concentrator PV Concentrated Solar Power
Photovoltaics Thin Film CPV CSP (Solar Thermal)
Advanced Tracking System 9:00 am
 Track on Two Axis
 Highly Efficient, Reliable Trackers
 Provides Consistent Energy 1:00 pm
Delivery
 Best Match of Delivery to Demand
 More High Value Energy 8:00 pm
Slide 6
© SolFocus, Inc. 2012; Patents Pending

7. SolFocus CPV Product Offering – SF-1136SX
 36 CPV Panels per System
 Robust, Precision Dual Axis Tracker
 Intelligent Tracker Control System with Remote Monitoring and Control
POWER UNIT PANEL SYSTEM
 Cassegrain Imaging  20 Power Units Per  4 Modules per Multi Panel
Concentrator with Primary and System Assembly; 9 MPAs per System
Secondary Optics  0.1% of Panel is Active  Dual Axis Tracker
 Tertiary Non-imaging Optic Photovoltaic Material  Remote Monitoring
 Multi-Junction Cell  Fully Enclosed with Flat  Easy Interface to Field Monitoring
 Wide Acceptance Angle Glass Front Systems (SCADA)
 Robust Thermal Management  Remote Site Control
 All Glass Optics for Reliability  Rapid Installation
and Durability in Field  Foundation Flexibility
Slide 7
© SolFocus, Inc. 2012; Patents Pending

8. SolFocus CPV – Highest Efficiency Systems
 SolFocus Systems Convert Sunlight to Electricity more Efficiently than Any Other
Solar Technology ~ 30%
 High Efficiency Drives Energy Costs Down
 CPV Technology is on a Steep Efficiency Climb
Comparison of Panel Efficiencies
40
35
Conversion Efficiency (%)
30
25
CPV
20
Silicon PV
15
Thin Film
29%-31%
33%-36%
15%-20%
15%-19%
10
8-14%
8-11%
5
0
2012 2015
2008 2011 2012 2015
Slide 8 200 watts 315 watts 432 watts 500 watts
© SolFocus, Inc. 2012; Patents Pending

9. Fewer Systems Required per Megawatt
Least Equipment Required Per Megawatt Installed
Lower CapEx, O&M and Cost of Ownership
=
SolFocus CPV Fixed Thin Film
SolFocus CPV vs. Other Photovoltaic Technologies
Requires 1/3 the Number of Panels of Thin Film Systems
Requires less than 1/2 the Number of Panels of Average Silicon PV
Slide 9
© SolFocus, Inc. 2012; Patents Pending

10. High Production in Hot Months
 Lowest Temperature Impact of any PV Technology
 High Performance in Hot Months for Steady Energy Generation
Slide 10
© SolFocus, Inc. 2012; Patents Pending

11. Consistent Production Throughout the Day
 2-Axis Tracked Concentrator Solar Panels
 Maximum Energy Capture throughout the Day
 Energy Generation Profile Provides Highest Value Energy
Victor Valley Typical Power Output
1,000
900
800
Power Output (kW)
700
600
500
400
300
200
100
0
4:00 8:00 12:00 16:00 20:00
6:00 a.m. 9:00 a.m. 11:00 a.m. 1:00 p.m. 3:00 p.m. 6:00 p.m. 8:00 p.m.
Slide 11
© SolFocus, Inc. 2012; Patents Pending

12. Designed for Easy Installation
Leading SF-1100P CPV Panels Highly Durable, Field-Proven CPV Panels
30% Efficient Reducing Number of Panels Required
Over 28,000 SF-1100P Panels Operating in the Field
Low BOS Costs Higher Efficiency Panels Means Fewer to Install; Less Wiring, Etc.
Fast Assembly, Installation and 4 Panels are Factory Pre-assembled into a Multi Panel Assembly
Commissioning (MPA); EPC installs MPAs not Individual Panels in the Field
MPAs Aligned in Factory; Eliminates Panel Leveling in the Field
Control System Integrated into Tracker Head, Prewired
Automated System Calibration
Proven SF-1100P Panels Highly Integrated Control System Pre-installed Pre-assembly for Fast, Low-Cost Field Install
Slide 12
© SolFocus, Inc. 2012; Patents Pending

13. Best Land Use | Least Environmental Impact
Optimum use of land Best cradle-to-cradle footprint No water usage for energy generation
 Flexible layout of sites  Low lifecycle GHG intensity  No water usage in generation
 Minimal land  High recyclability (97%) of electricity
coverage/disruption  Short energy payback (~6 mo.)  Water usage for cleaning low
 No permanent shadowing  On-going reductions in due to significantly fewer
 Preserved wildlife corridors environmental impact as panels required per MWh
 Minimized water runoff erosion efficiency increases
 Protection/regrowth of natural
ecosystems
Comparison of water consumption per MWh
Material content of SolFocus Systems
Slide 13
© SolFocus, Inc. 2012; Patents Pending

14. Predictable Field Performance
SolFocus Commercial Sites are Meeting Energy Production Estimates
120%
Actual Energy Production vs. Predicted
99.9%
100.1% 98.7% 98.2% 101.2% 99.8%
99.9%
100%
80%
60%
40%
20%
0%
Victor Valley Coachella Nichols AZ Western Weighted
Location College Water Plant Farms College Average
Years in
2.0 1.1 1.0 0.6
Operation
Size (MWp-DC) 1.0 0.4 1.0 1.0
Slide 14
© SolFocus, Inc. 2012; Patents Pending

15. Victor Valley College Plant Performance
Average Predicted DNI Actual Measured DNI Modeled Energy Actual Energy
7.43 7.43 4,512.5 MWh 4516.4 MWh 100.1% of Predicted
Slide 15
© SolFocus, Inc. 2012; Patents Pending

16. SolFocus CPV: Low Cost for Sunny Locations
High Energy Output Low Lifetime Costs Lowest LCOE in Sunny
+ =
in Sunny Locations (Initial plus on-going) Locations
SolFocus 2-Axis (Pricing Band)
SunPower 1-X Tracked
Mono CSi
First Solar
Thin Film
Price Based LCOE (c/kWh)
C-Si
CSP
4 5 6 7 8 9 10
DNI
2012 LCOE Comparison of Technologies
LCOE = Levelized Cost of Energy
Slide 16
© SolFocus, Inc. 2012; Patents Pending

17. Ideal Technology for High Sun Regions
Concentrator PV
CPV
Slide 17
© SolFocus, Inc. 2012; Patents Pending

18. Border Region and Desert Power Plants (1)
Victor Valley College
Victorville, California
1MW
2600MWh/year
Water Treatment Plant
City of Coachella, California
420 kW
~1100MWh/year
Slide 18
© SolFocus, Inc. 2012; Patents Pending

19. Border Region and Desert Power Plants (2)
El Paso Electric
El Paso, Texas
53kW Pilot Project
Arizona Western College
Yuma, Arizona
1MW
~2600MWh/year
Water Treatment Facility
Mesa, Arizona, 53kW Pilot Project
Slide 19
© SolFocus, Inc. 2012; Patents Pending

20. Border Region and Other Plants (3)
Industrial Federal/DOD Airports
Generadora Solar, Apaseo | Mexico Marine Corps Air Station Miramar, CA, OMA Regional Airports | ZCA, Mexico
EnorChile
113 kW
Demonstration
1MW Under Development Marine Corps Camp Pendleton, CA BECC, Juarez, Mexico
With Granite Chief and Iberdrola 233kW
for CFE, Baja, Mexico
Volkswagen, Mexico
Slide 20
© SolFocus, Inc. 2012; Patents Pending

21. El Paso Electric
 6 SolFocus SF-1100S Systems
 53 kW AC, 66 kW DC
 Owner: El Paso Electric
 Developer: Solar Smart Living
 Location: El Paso Electric SubStation
Slide 21
© SolFocus, Inc. 2012; Patents Pending

22. Thank You
For more information go to
www.solfocus.com
Slide 22
© SolFocus, Inc. 2012; Patents Pending