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Concentrating Solar Power(CSP)
September 08, 2009
Presented by:Terry Page
Director of Regulatory and External AffairsAcciona Solar Power, Inc.
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• Industry Leader in the Development, Construction, Operation and
Maintenance of Parabolic Trough Concentrating Solar Power Plants.
• 55% owned by Acciona Energy and 45% owned by Solargenix Energy,
LLC• Established in June 1997 as Duke Solar Energy, LLC• March 2003 became Solargenix Energy, LLC• Renamed Acciona Solar Power in 2006
• Designed, developed, built and operates Nevada Solar One.• First concentrating solar power plant built in the last 19 years• The 3rd largest plant of its kind in the world.
About Acciona Solar Power
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PLANT MWe FIRST YEARIN OPERATION
SEGS I 13.8 1985
SEGS II 30 1986
SEGS III 30 1987
SEGS IV 30 1987
SEGS V 30 1988
SEGS VI 30 1989
SEGS VII 30 1989
SEGS VIII 80 1990
SEGS IX 80 1991
NSO 64 2007
The First Large-Scale
Solar Thermal Power Plant
Built in Over 19 Years
Nevada Solar One (NSO)
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Solar Thermal Process
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Red Rock
AZ
Harper Lake
Victorville - CA
Boulder City
NSO
NSO Direct Normal Radiation 7.141 KWh/m²/day – 2606 KWh/m²/year
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Essential items to consider in developing a CSP
Project• Good Solar Radiation (> 7.0 KWh/M²/Day)
• Transmission Proximity (High Voltage) and interconnection availability
and timeline
• Freeze Protection
• Land – 5 to 6 Acres per MW (Depends on Solar Radiation)
• Flat to Moderate Slope (> 1% is Ideal – Greater requires grading and
terracing)
Site Criteria
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Nevada Solar One Highlights• Constructed over 16 months
• Cost $266 million USD to build
• Created 800 construction positions
• Largest plant of its kind to be built in more than 17 years
• Began operation in June 2007
• Solar field is approximately 300 acres
• Generates 64 MW which provides energy to more than 40K - 50K homes in
Nevada during summer peak
• Output 100% dedicated to Nevada Power/ Sierra Pacific
• Reduces Carbon Emissions by ~200,000 lbs per year (the equivalent of
removing more than 19,000 cars from the nation’s roads)
NSO Highlights
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• Nevada Solar One: 64 MW – Operating 26 months
• Alvarado: 50 MW – Under Construction
• Palma Del Rio (2): 50 MW – Under Construction
• Majadas: 50 MW – Under Contract
• Spain (4): 50 MW – In Development
• Spain (5): 50 MW – In Development
• U SA (2): In Development
• U SA (3): In Development
• U SA (4): In Development
Projects
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Substations
NSO
Nevada Solar One is located in the Eldorado Valley approximately 35 miles southeast of Las Vegas, Nevada
NSO Project Location
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A B C D E F G H I J K L M N O P
NSO Layout
POWER ISLAND
Solar Field 1
Control Building
Substation
Solar Field 2 Solar Field 3 Solar Field 4
N
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• Construction Completed in Less than 18 Months
• 1,600.000 Man hours (an average of 400 jobs created for 18 months + 28 jobs for 20+ years for O&M)
• Excellent Safety Record
NSO Construction
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NSO Construction Timeline
March 2003 Long-Term Power Purchase Agreement signed with Nevada Power and Sierra Pacific
June 5, 2005 Amendment for Expansion to 64 MW Approved
February 2006 Nevada Solar One Groundbreaking
November 2006 Turbine Delivered On Site
November 2006 Utility Interconnection Completed
March 29, 2007 Solar Field 100% Completed
May 18, 2007 Utility Electrical Testing
May 30, 2007 Steam Quality Achieved
June 2, 2007 First Synchronization
June 22, 2007 Commercial Operation
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NSO Turbine Rotor
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NSO utilize Parabolic Trough Collectors which is a Concentrating Solar Power (CSP) Technology
Concentration Ratio
71:1 (71 Suns)
Simple Schematic of Parabolic Trough Operation
North-South Axis
CSP Technologies utilize Direct Normal Radiation (DNR) which is measured in terms of Watts per Square Meter
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Nevada Solar One
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NSO – Parabolic Trough Collectors
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NSO Parabolic Trough Collectors
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NSO Power Plant
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Questions?
Contact:Terry Page
Director of Regulatory and External AffairsE: [email protected]
O: 702.547.4288 extension 106C: 775.815.7082
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Thank You!