January 26, 2011
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Transcript of January 26, 2011
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
1
January 26, 2011
Nuts and Bolts of Technology: Nuts and Bolts of Technology: Closer Look at Closer Look at
Utility-Scale Solar PowerUtility-Scale Solar Power
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
22
BSE Overview
Robust Commercial Pipeline & Project Dev.:
2.6GWs of signed PPAs with PG&E and SCE
Ivanpah ~400MW Electric for PG&E and SCE
Bechtel as EPC and Investor
Siemens Turbine/Riley Boiler
$1.37B DOE loan guarantee
ITC cash grant eligible
NRG Energy lead project investor
Shortlisted for a project in Israel
Selected and approved for a project in Crete
Proven, Environmentally-Responsible Technology:
Highest temperature and pressure solar steam
Dry-cooling reduces water use
Environmentally-friendly design
World Class Team:
Includes the key senior managers of Luz Int’l., which
designed & built over 350 MW of solar thermal plants
in the 1980’s
Project development team with over 20GW power
projects developed, constructed, and managed
Successful Pilot and Demonstration Projects:
SEDC Pilot generating ~100% of modeled energy at
~97% availability; exceeded 6MW design point by ~20%
Chevron Demonstration Solar-to-Steam for Enhanced Oil
Recovery (EOR) nearly complete (solar field 95% erected,
tower erection complete; boiler erection in process, SFINCS
control system onsite)
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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Luz Power Tower (LPT 550) TechnologyLuz Power Tower (LPT 550) Technology
Boiler
Power Block
steamsteam
wat
erw
ater
Heliostats
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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LPT: Technology to Meet Evolving Performance Needs
Solar Capture: Flexible Field & Fine
Control
Thermal Energy: Multiple Modes
High-Performance Versatile Turbine
RPS RPS andand ReliabilityReliability
Thermal energy is delivered at the precise times and quantities needed in each season through:
•Optimized Solar Field Layout
•Fine Control of Tens of Thousands of Heliostats
State-of-the-art turbine efficiently provides multiple products:
•High quantities of energy (& RPS)
•Reliability services (RA, frequency & voltage support, reactive power, spin, ramping, AGC)
==
Flexible, high-Flexible, high-quality steam quality steam
+ + High-performance High-performance
conventional conventional turbineturbine
Dispatchable, Dispatchable, Shaped OutputShaped Output
+ + Grid Support / Grid Support /
Reliability ServicesReliability Services+ +
Maximum RPS Maximum RPS (w/o tradeoffs)(w/o tradeoffs)
Inexpensive, high-
performance thermal storage
High-temperature, high-pressure
steam
Natural gas augmentation
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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Low-impact Design : Fitting the Natural Environment
Plant Design: Maximizes retention of existing vegetation, land contours & natural
features Solar field does not require concrete foundations, and grading and leveling
is extremely limited• Mirrors on pylons placed directly
in the ground to fit natural contours of area, without need for foundations
• Vegetation in the solar field will co-exist below the mirrors, trimmed so mirrors can track the sun
• Soils and vegetation disturbed during construction and operation will be restored
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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Water Use: Dry-cooling, Conservation & Closed-loop recycling
Low Impact Design – Limited Water Use
Uses air instead of water to condense steam 95% less water use when compared to CSP using
traditional wet-cooling Uses 25 times less water than
competing trough technologies Uses less than 100 acre feet per year; equal to 300 homes worth of water Closed-loop steam cycle & conservation measures further reduce usage
Efficiency trade-off: Additional costs incurred by using dry-cooling are merited by environmental benefits
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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Wet CSP/Conventional Cooling vs. Dry CSP Cooling
*Source: California Energy Commission ^Source: Nuclear, Coal and Combined Cycle numbers from World Economic Forum report - Thirsty Energy: Water and Energy in the 21st Century
Proprietary & Confidential © 2007-2011 BrightSource Energy, Inc. All rights reserved.
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