1. CSTP
Project
Feasibility
analysis
of
a
100
MW
Solar
Thermal
Power
Plant

2. Project
defini>on
• IPP
/
u>lity
• Rated
Power
=
100
MW
• Technology
– Parabolic
Trough
• VP1
• Solar
salt
– Central
Receiver
• Molten
salt
XNO3
• Molten
salt
XF
• Thermal
Storage
– Molten
salts,
2-­‐tank
concept

3. Feasibility
analysis
• Site
selec>on
– DNI:
2200
/
2500
kWh
(+-­‐
10%)
– CO,
AZ,
NV,
CA,
NM
– NREL
analysis
for
SW
USA
• hp://www.nrel.gov/csp/maps.html
• hp://www.nrel.gov/csp/pdfs/33530.pdf
• DNI
• Land
characteris>cs
– Geotechnical,
topography,
environment,
use…
• Other
meteorological
parameters
• Other
resources
and
infrastructure

4. Feasibility
analysis
• Technology
– Jus>fica>on
technology
selec>ons
• Concentra>ng
technology
• Heat
Transfer
Fluid
• Thermal
Energy
Storage
• Power
block

5. Feasibility
analysis
• Costs
– SAM
cost
data
– Cri>cal
analysis
of
cost
data
– Sensi>vity
analysis?

6. Feasibility
analysis
• Basic
plant
layout
– Solar
Field
– Power
block
– Substa>on
– BOP

7. Feasibility
analysis
• Op>miza>on
– Design
or
reference
condi>ons
– Op>miza>on:
LCOE
– Variables
to
op>mize:
• Solar
Mul>ple
• (Debt
frac>on)
• Op>mized
system
– Descrip>on
– Summary
of
results
– Feasibility
assessment

9. G1
G2
G3
G4
G5
G6
G7
G8
Tech CRS PT CRS PT PT CRS PT CRS
HTF XNO3 VP1 XF Solar salt VP1 XNO3 Solar salt XF
TES 12h 6h 12h 6h 12h 6h 12h 6h
DNI
(kWh/m2) 2200 2200 2500 2500 2200 2200 2500 2500
DNI
actual
SM
Collec>on
Area
Net
electricity/
year
Net
S2E
Investment
O&M
LCOE