/// PROJECTS

WECHULL+: Sustainable Concrete Material Leading to Improved Substructures for Offshore Renewable Energy Technologies

The WECHULL+ project aims to demonstrate (TRL4-6) a new sustainable, circular, and reliable concrete mix for floating substructures in the offshore renewable energy sector. At the European level, it will validate this innovative material through lab and ocean testing, offering a more cost-effective and durable alternative to steel and composites in harsh marine environments.

The main objective of WECHULL+ is to demonstrate (TRL4-6) a new, sustainable, circular and reliable concrete material suitable for floating substructures in the offshore renewable energy sector. WECHULL+ objectives and activities are based upon the learnings and proof- of-concept (TRL4) of a new sustainable concrete mix with high-performance in marine environment. WECHULL+ takes these efforts to a European level (TRL6), where experts are brought together to validate and verify WECHULL+ concrete material and its real application through samples and prototypes in lab and ocean.

Traditionally used steel is expensive and prone to corrosion in the harsh marine environment. Composites price is even higher, it is fossil-fuel based, its manufacturing is characterized with high environmental impacts and still lacks data on long-term performance in sea water. Therefore, the blue energy sector is looking into concrete as an inexpensive (approx. 100 EUR/ton – 30 times lower than steel and 50 times lower than carbon fibre reinforced composites), durable in marine environment and easy and fast on-site manufacturing alternative to traditional manufacturing.

Concrete is also a material with the most mature value chain and enables using local production at almost every location in the world. This is a particular advantage for ORE installations, often planned in specific sites due to favourable ocean conditions or being close to islands without connections to the continental energy network.

WECHULL+: Sustainable Concrete Material Leading to Improved Substructures for Offshore Renewable Energy Technologies

Ref

CETP-2022-00127 & PCI2023-145968-2

Program and Call for proposals

CETPartnership Joint Call 2022. TRI2 - Call module 2.1: Advancing RE technologies for power production through cost reduction Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023 / Programa Estatal para Afrontar las Prioridades de Nuestro Entorno / Subprograma Estatal de Internacionalización / Convocatoria: Proyectos de Colaboración Internacional PCI2023-2

Start date

12/01/2023

End date

08/31/2027

Duration in months

45

TOTAL COST

2.983.449,41 €

Cost for PLOCAN

170.610,00 €

Total funded

2.675.596,00 €

Financed for PLOCAN

170.610,00 €

Coordinator

RISE Research Institutes of Sweden (SE)

Partners

RISE (SE) - TU Delft (NL) - CWEI (IE) - OCEAN HAVESTING TECH (SE) - GDANSK TECH (PL) - SOLARDUCK (NL) - PLOCAN (ES) - PEKABEX (PL)

Project website

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