All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi Fabrizio Fabrizi, ENEA CSP developmentin Italy Workshop “Solar Energy (Concentrated Solar Power)” on the occasion of EASAC’s 10 th anniversary. Main Hall of the Academy of Athens 28, Panepistimiou Ave, Athens 14:00-17:20 on Friday, December 9, 2011
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All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Fabrizio Fabrizi, ENEA
CSP development in Italy
Workshop
“Solar Energy (Concentrated Solar Power)” on the occasion of EASAC’s 10th anniversary.
Main Hall of the Academy of Athens
28, Panepistimiou Ave, Athens
14:00-17:20 on Friday, December 9, 2011
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
A new approach to concentrating
solar plant (CSP) by ENEA
� ENEA objective
� Economic element of solar plant
� ENEA technology innovations
� Emerging concepts for CSP
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Learning by doing curve
3
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
ENEA technology innovation
4
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
ENEA Roadmap: by labs to industrial demonstration (10 years)
5
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Molten salt as process fluid and thermal storage
Advantages:
� High working temperature (oil 380 °C - molten salt 550 °C)
� Atmospheric pressure in the thermal storage
� Lower volume and cost for thermal storage
Molten salt is fertilizer
(60% NaNO3 40% KNO3)
Molten salt at 450 °C
6
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Reflecting surface and tracking system
7
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Reflecting panel manufacturing
(Ronda factory)
8
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Receiver tube factory
(Archimede Solar Energy)
Angelantoni Group - Siemens
•Existing factory capacity 25.000 unit/y
•New factory redy at 2011 end
•Foreseen capacity 140.000 unit/y
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All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Demonstration facility
(ISCC Archimede plant by ENEL)
10
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Archimedeproject is the integration of
solar plant with gas combined plant5
11
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Thermal storage tanks and Steam Generator
(under constrution)
12
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Solar collectors of the Archimede plant
13
EASAC: the European Academies Science
Advisory Council
“Building science into EU
policy”
CSP Concept
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Dispatchability
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Technology developments
Anticipated cost reductions:
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
• Backup unit fed by gas (R and NR) provided also for connection to a biomass gassifier
Impact:
• Lowering the costs of renewable energy and demonstrating solar power application’s
scalability
• Contributing to the use and development of renewable energies
• Placing EU research organizations and industries in the leading position in low carbon
technologies
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Contribution to energy production by solar source and biomass (rif. Hurgada EG)
0%
20%
40%
60%
80%
100%
120%
Jan Feb Mar Apr May Jun Jul Ago Sep Oct Nov Dec
SOLAR BIOMASS
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Hourly pick 1 409 W/m2 Solar Rate
Yearly total 2 308 kWh/m2
Unit Length 100 m
Unit Area 540 m2
Optical Efficiency 75 % Solar Collectors
Thermal Efficiency 83 %
No Collectors 18
Total Collector Length 1800 m
Total Collector Area 9 720 m2 Solar Field
Site Area 22 000 m2
Electric Energy 3 010 MWh Annual Production
Thermal Energy 8 900 MWh
Electric Power 1,0 MW el
Outlet Thermal Power 4,0 MW th
Inlet Thermal Power 5,7 MW th
Type MED Desalting Unit
Capacity 250 m3 per day
MATS Project
Main characteristics
Surface assigned to each source:
solar radiation and biomass
40 ha
1,5 ha
1 MWth for 24 hours
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Elementi di progetto sul territorio
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Posizionamento campo solare e impianti
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
La piattaforma del cippato
Piattaforma
logistico
commerciale in
Stiria - Austria
Capannone esistente
idoneo alla
trasformazione
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
NEED OF LAND FOR 1 GWe BY CSP+BIOMASS
44
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi45
NEED OF LAND FOR 1 GWe BY CSP+BIOMASS
1 Gwe
CSP
5 x 4 km =
= 20 km2
BIOMASSE
40 x 40 km =
= 1600 km2
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Roma Capitale – ENEL Green Power – ENEA Agreement
for a demonstration plant with CSP hybridized by biomass
46
Uses of resources from territory of Roma Capitale for
the susteinable production in CSP-Biomass hybrid
plant of electric power and the transformation of ligno-
cellulosic wastes (from gardens and trees cuts of the
town) in solar fuels, i.e bio-ethanol or other
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
OPTS: OPtimization of a Thermal energy Storage system with integrated steam
generator
List of the Project’s Partners
1 AGENZIA PER LE NUOVE TECNOLOGIE, L’ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE - ENEA IT
2 COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES - CEA FR
3 CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS FR
4 FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V – Fraunhofer GE
5 THE WEIZMANN INSTITUTE OF SCIENCE - Weizmann IS
6 THE CYPRUS RESEARCH AND EDUCATIONAL FOUNDATION - CREF-CyI CY
7 ANSALDO NUCLEARE S.P.A.- ANSALDO IT
8 CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS - CIEMAT ES
9 COBRA INSTALACIONES Y SERVICIOS, S.A - COBRA ES
10 LABORATORIO NACIONAL DE ENERGIA E GEOLOGIA, IP - LNEG PT
11 TECNIMONT KT- KINETICS TECHNOLOGY SPA - TKT IT
Resources for the Project
Total costs: 13,726,083.80 € EU contribution 8,649,499.50 €
Total efforts: 781.50 PM
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
OPTS project aims at developing a new Thermal Energy
Storage (TES) system based on single tank configuration
using stratifying Molten Salts as heat storage medium at
550°C, integrated with a Steam Generator (SG), to provide
efficient, reliable and economic for the next generation of
CSP trough and tower plants.
The three-year experimental program will be focused to the
full development of the integrated system (TES-SG) up to
demonstration level.
Since the objective is to develop a new TES-SG concept for
large-scale CSP plants, i.e. 50 MWe, the experimental
concept has to be verified in a relevant scale (at least 12.5
MWth), maintaining the same main thermo-fluid-dynamic
parameters as the full scale system.
Reference design of TES_SG system for 50 MWe CSP plant,
i.e 5x10 MWe SGs immersed in a large tank
Influence zone of one SG
Schematic of reference 50 MWe TES_SG
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Reference CSP plant for installation of the OPTS Test Section
Basic experimental, modelling and engineering
activities will be carried out to support the
design and optimization of the proposed
technology. These activities include
assessment of MS heat transport properties
under relevant representative conditions for the
TES-SG system.
This test section will be designed, built, and tested
at an existing CSP plant owned by ACS Cobra in
Spain. The plant will be arranged for integrating the
OPTS test section, without affecting the normal
operation but rather enhancing the condition of the
steam at the turbine’s inlet.
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi
Direct MS CSP system implementing a stratifying TES
with integrated SG
Design, optimization and cost-benefit assessment for a full-scale TES-SG system (12.5 MWth/50MWe) will be done in the framework of the OPTS project coupled with a CSP
(tower or trough) plant.
Schematic of a MS CSP plant with stratifying TES_SG system
(including MS backup gas fired heater)
All rights reserved EASAC Workshop on CSP Athens 09_12_2011 F. Fabrizi