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DEMOGRAVI3 TERMINATED

Demonstration of the GRAVI3 technology – innovative gravity foundation for offshore wind

Total Cost €

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EC-Contrib. €

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Partnership

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 DEMOGRAVI3 project word cloud

Explore the words cloud of the DEMOGRAVI3 project. It provides you a very rough idea of what is the project "DEMOGRAVI3" about.

logistics    innovative    consented    water    turbine    fits    industrial    combining    complexity    submerged    form    chain    business    substructures    towing    themselves    heavy    segments    connected    trl5    full    depths    put    commercialize    reducing    perfectly    proposals    sub    energy    committed    mw    reduce    15    ballast    caissons    35    farms    lift    perform    demonstration    solution    transport    core    assemble    operations    grid    wind    assembly    logical    equipped    instead    install    costly    vectors    market    bankability    company    foundation    offshore    60m    preventing    structure    onshore    close    transitional    levelized    move    complete    site    vessels    place    competitiveness    intending    undergone    smaller    additionally    performing    anchoring    demogravi3    solutions    presently    gravi3    industrialization    construction    risk    engineer    readiness    prepare    hybrid    steel    sustainably    evaluation   

Project "DEMOGRAVI3" data sheet

The following table provides information about the project.

Coordinator
EDP RENOVAVEIS SA 

Organization address
address: PLAZA DE LA GESTA 2
city: OVIEDO
postcode: 33007
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Project website http://www.demogravi3.com
 Total cost 26˙523˙602 €
 EC max contribution 19˙037˙465 € (72%)
 Programme 1. H2020-EU.3.3.2.4. (Develop geothermal, hydro, marine and other renewable energy options)
2. H2020-EU.3.3.2.2. (Develop efficient, reliable and cost-competitive solar energy systems)
3. H2020-EU.3.3.2.1. (Develop the full potential of wind energy)
 Code Call H2020-LCE-2015-2
 Funding Scheme IA
 Starting year 2016
 Duration (year-month-day) from 2016-01-01   to  2019-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    EDP RENOVAVEIS SA ES (OVIEDO) coordinator 9˙829˙782.00
2    A. Silva Matos - Energia, SA PT (Sever do Vouga) participant 3˙664˙237.00
3    TECNICA Y PROYECTOS SA ES (SAN SEBASTIAN DE LOS REYES MADRID) participant 1˙817˙550.00
4    CNET CENTRE FOR NEW ENERGY TECHNOLOGIES SA PT (SACAVEM E PRIOR VELHO LISBOA) participant 951˙160.00
5    WAVEC/OFFSHORE RENEWABLES - CENTRO DE ENERGIA OFFSHORE ASSOCIACAO PT (LISBOA) participant 660˙062.00
6    ACCIONA CONSTRUCCION SA ES (ALCOBENDAS) participant 516˙250.00
7    FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. DE (MUNCHEN) participant 505˙500.00
8    Global Maritime AS NO (Stavanger) participant 441˙048.00
9    UNIVERSIDAD POLITECNICA DE MADRID ES (MADRID) participant 404˙250.00
10    GAVIN AND DOHERTY GEOSOLUTIONS LTD IE (AUGHRIM WICKLOW) participant 247˙625.00
11    EDP RENEWABLES EUROPE SL ES (Madrid) participant 0.00

Map

 Project objective

Offshore wind business competitiveness is strongly related to substructures and offshore logistics. DEMOGRAVI3 addresses these areas through a very promising solution called GRAVI3. GRAVI3 is an innovative hybrid steel-concrete offshore sub-structure for transitional water depths between 35 and 60m. It will sustainably reduce the levelized cost of energy by up to 15% by combining the following vectors: - Using three concrete caissons, with water ballast, instead of more complex and costly steel solutions and anchoring systems - Using a smaller steel structure - Performing all construction and assembly onshore and towing the complete unit to the site where it is submerged with an innovative and robust method. - Preventing the use of heavy lift vessels and reducing the level of complexity and risk of offshore operations. GRAVI3 has undergone the typical technology development process and is presently at TRL5. The logical next steps is the demonstration at full scale in real operational conditions. Thus, the project fits perfectly to the addressed Call for Proposals as the project will support technology development and bring the technology close to market readiness. The proposed project will design, engineer, build, assemble, transport, install and demonstrate a full scale foundation, equipped with a 2 MW offshore wind turbine, in a consented and grid connected demonstration site. Additionally, the project will undertake further technology development for improved design and perform an in depth evaluation of the technology’s future industrialization, competitiveness and bankability. The core partners are committed to bring the GRAVI3 technology to market intending to 1) form a company with the objective to commercialize the GRAVI3 technology; 2) prepare themselves to take on important segments of the industrial value chain which will be put in place to move the GRAVI3 product forward; 3) foster the use of the technology, namely in the wind farms they are developing.

 Publications

year authors and title journal last update
List of publications.
2018 Cabrerizo, R. Molina, M. Miranda1, J.G. Valdecasas, A. Rodríguez1, D. Rodríguez, L. Perez-Rojas.
Physical scale simulation of heterogeneus multi element floating structures systems. H2020 - DemoGravi3.
published pages: , ISSN: , DOI:
Coastlab18 2019-06-17
2018 M.A. Cabrerizo-Morales, R. Molina1, J.G. Valdecasas, J. Abanades. L. Pérez Rojas.
Mooring line load thresholds definition based on impulsive load analysis during wind turbine+gbf instalation. H2020 - DemoGravi3
published pages: , ISSN: , DOI:
Coastlab18 2019-06-17
2017 Carlos Salvador Vázquez
“Methodology for estimating service life of offshore structural elements subject to corrosion”
published pages: , ISSN: , DOI:
2019-06-17
2018 Abanades, Javier; Molina, Rafael; Ivars, Javier; García, Carlos
“The application of caisson-type solutions to the current offshore wind energy market”
published pages: , ISSN: , DOI:
37th International Conference on Ocean, Offshore & Arctic Engineering 2019-06-17

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