Integrated solar combined cycle power plants (ISCC)0 pages

GAS & solar PRODUCT SOLUTIONS
Integrated Solar
Combined Cycle
(ISCC) power plants
Alstom and BrightSource are
partnering to develop and build
integrated solar combined-cycle
power plants.
The two leaders in their field
with their respective expertise
can offer a plant with optimum
performance, providing reliable
and economical solar power.
• lstom advanced-class
A
gas turbine, steam turbine,
generator and Solar Receiver
Steam Generator (SRSG)
• lstom Plant Integrator™ capabilities
A
• rightSource tower technology
B
with higher steam temperature
and higher efficiency than other
Concentrated Solar Power (CSP)
technologies
• &M capabilities for entire plant
O
Combining clean fuel and renewables
The combination of a high efficiency gas fired
combined cycle plant together with a solar
thermal steam generator creates a new power
generation class – the ISCC.
The high efficiency CCPP can be used as a back-up
for the solar power when the sun is not shining.
With the solar contribution, natural gas consumption
can be reduced, lowering the environmental footprint
of the plant. (Fuel Saver mode)
At times of high demand, the solar steam can boost
electricity production while sharing the same plant
equipment, infrastructure and grid access.
(Solar Boost mode)
In the Alstom ISCC solution, the Combined Cycle Power Plant (CCPP) is located
in the centre of the solar plant, and the solar receiver itself is fully integrated in
the Water Steam Cycle (WSC) of the CCPP.
With the KA24/KA26 ISCC, ISCC efficiencies of above 80% can be achieved,
or specific CO2 emissions as low as 230-250 g/kWh.
In partload, up to 40% of the power can be produced from solar. At the maximum
combined-cycle load, up to 25% of the power comes from the sun.
The KA24/KA26 CCPP are the right platform for ISCC: With the high part-load
efficiency, solar power can be produced very effectively over the entire operation range.
TPW/BPROS/NTSLCC12/eng/THP/05.12/CH/7676 © - ALSTOM 2012. ALSTOM, the ALSTOM logo and any alternative version thereof are trademarks and service
marks of ALSTOM. The other names mentioned, registered or not, are the property of their respective companies. The technical and other data contained in this
document is provided for information only. ALSTOM reserves the right to revise or change this data at any time without further notice.
Fuel Saver mode
ISCC
Power
CC power
Fuel saving
0:00
12:00
24:00
Solar Boost mode
ISCC
Power
Additional power
0:00
12:00
24:00