Concentrating Solar Power (CSP)
EESI/OSAEESI/OSAHouse Renewable Energy and
Energy Efficiency Caucusgy yBriefing
July 11, 2008
Chuck KutscherN ti l R bl E L b tNational Renewable Energy Laboratory
CSP: The Other Solar Energy
Linear Fresnel
Parabolic trough
Power towerDish-Stirling
354 MW Luz Solar Electric Generating Systems (SEGS)1984 - 1991
“The most important form of carbon-free energy inof carbon free energy in the 21st century.”Joe Romm in article “TheJoe Romm in article The technology that will savehumanity,” salon.comA il 14 2008April 14, 2008
Why the sudden renewed interest in CSP?
More and More U.S. Gas Wells Producing Less and LessMore and More U.S. Gas Wells Producing Less and Less
1,200
1,300
g
54.00
54.50
U.S. Gas Rig Count
Less and LessLess and Less
900
1,000
1,100
Rig
s R
unni
ng
53.00
53.50
cfd
Count
700
800
900
Ave
rage
Gas
52.00
52.50
Prod
uctio
n, B
c
400
500
600
ing
12-m
onth
51.00
51.50 Gas
P
U.S. Gas P d ti
200
300
400
Rol
l
50.00
50.50
Production
Jan-95 Jan-96 Jan-97 Jan-98 Jan-99 Jan-00 Jan-01 Jan-02 Jan-03 Jan-04 Jan-05
Source: Baker Hughes, EIA/DOE (2004 and 2005 production volumes are EIA estimates)
State RPS RequirementState RPS RequirementArizona 15% by 2025 California 20% by 2010 yColorado 20% by 2020, 4% SolarNevada 20% by 2015, 5% Solar
NewMexico
20% by 2015MexicoTexas 5,880MW (~4.2%) by
2015
Best Sites OnlyBest Sites Only
7X U.S. electric capacity!p y
New 64 MW Acciona Solar Parabolic Trough Plant
the BIG ATTRACTION:
STORAGE!
Parabolic Trough Output Profile S DSummer Day
5 000
6,000
7,000
100
120
140
We)
3 000
4,000
5,000
Load
(MW
e)
60
80
100
r Out
put (
MW
1,000
2,000
3,000
APS
L
20
40
60
Net
Sol
a
00:00 6:00 12:00 18:00 0:00
0
APS Load MWe Solar Output Solar with TESAPS Load MWe Solar Output Solar with TES
CSP Power Plant with Thermal Storage
HotTank
HX
ColdTank
Planned 280 MW Solana Plant ith 6 h Stwith 6 hrs Storage
1500 construction jobsover two years
85 permanent jobs
Renewable EnergyArtist Rendition
Cost of CSP (¢/kWh)Cost of CSP (¢/kWh)CSP w/10% ITC: 17
CSP w/30% ITC: 14
Comb Cycle Gas: 12The gap is closing!
Comb. Cycle Gas: 12
Planned 177 MW Air-Cooled Linear Fresnel Plant for PG&E
Artist rendition
BrightSource Distributed Power Tower
Dish/Stirling System
Heat IFlexure Bearings Heat Ing
Linear Alternator Flexure Bearings
Cooling WaterElectricity Out
Six Dish Prototypes at Sandia-Albuquerque
4,000 MW of Planned U.S. Projects
1,103 MW1,103 MW
1,750 MW
900 MW
177 MW177 MW
Over 7,000 MW Planned WorldwideOver 7,000 MW Planned Worldwide
UNITED STATESSPAIN
1000 MWISRAEL400 MW
IRAN400 MW
CHINA500 MW4000 MW
JORDAN130 MW
EGYPT140 MW
MOROCCO200 MW
INDIA40 MW
500 MWMEXICO240 MW
SOUTH AFRICA100 MW
40 MW
AUSTRALIA 200 MW
Long Distance Transmission: Europeg p
“Concentrating Solar Power for the Mediterranean Region,” German Aerospace Center (DLR), 2005
Long Distance Transmission: U.S.g
SeattleSeattle
500 km Chicago
Boston
1500 k Salt Lake500 k
m ChicagoBoston
1500 k Salt Lake
3000 km
3000 k
1500 k
600 k
m
km
500 km3000
km
3000 k
1500 k
600 k
m
km
500 km
3000 kmDallas1000 km
3000 kmDallas1000 km
MiamiMiami
the POWER of cspthe POWER of csp
For more information:www1 eere energy gov/solar/cspwww1.eere.energy.gov/solar/cspwww.nrel.gov/cspchuck kutscher@nrel [email protected](This presentation available at:www.eesi.org and www.osa.org)
