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OPtimization of a Thermal energy Storage system with integrated Steam Generator

OPtimization of a Thermal energy Storage system with integrated Steam Generator

Objective

OPTS project aims at developing a new Thermal Energy Storage (TES) system based on single tank configuration using stratifying Molten Salts (MS, Sodium/Potassium Nitrates 60/40 w/w) as heat storage medium at 550°C maximum temperature, integrated with a Steam Generator (SG), to provide efficient, reliable and economic energy storage for the next generation of 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. The SG, with natural recirculation of the MS, can be either positioned directly into the tank (Pool-type) or as an external shell-and-tube once-through SG (Loop-type) with piping system and pump.
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. This test section will be designed, built, and tested. 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.
Moreover, design, optimization and cost-benefit assessment for a full-scale TES-SG system (125 MWth/50MWe) will be done in the framework of the OPTS project coupled with a CSP (tower or trough) plant.
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Coordinator

AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE

Address

Lungotevere Grande Ammiraglio Thaon Di Revel 76
000196 Roma

Italy

Activity type

Research Organisations

EU Contribution

€ 1 412 838

Administrative Contact

Giovanni Salvatore Sau (Dr.)

Participants (10)

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COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

France

EU Contribution

€ 639 514

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 370 000

FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Germany

EU Contribution

€ 711 788

WEIZMANN INSTITUTE OF SCIENCE

Israel

EU Contribution

€ 265 000

THE CYPRUS RESEARCH AND EDUCATIONAL FOUNDATION

Cyprus

EU Contribution

€ 516 702

ANSALDO NUCLEARE SPA

Italy

EU Contribution

€ 171 874,50

CENTRO DE INVESTIGACIONES ENERGETICAS, MEDIOAMBIENTALES Y TECNOLOGICAS-CIEMAT

Spain

EU Contribution

€ 443 290

COBRA INSTALACIONES Y SERVICIOS S.A

Spain

EU Contribution

€ 2 300 625

Laboratorio Nacional de Energia e Geologia I.P.

Portugal

EU Contribution

€ 292 670

KT - KINETICS TECHNOLOGY SPA

Italy

EU Contribution

€ 1 525 198

Project information

Grant agreement ID: 283138

Status

Closed project

  • Start date

    1 December 2011

  • End date

    30 November 2014

Funded under:

FP7-ENERGY

  • Overall budget:

    € 13 726 033,80

  • EU contribution

    € 8 649 499,50

Coordinated by:

AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE

Italy