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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The closest official match for a “full-scale self-assembling wind turbine system funded for construction” is ELISA, an EU-funded project for a self-installing offshore turbine support structure. It combined a buoyant precast-concrete foundation with a telescopic tower. The European Commission later described full-scale deployment work under ELICAN, which built on the ELISA concept. The title could also describe onshore self-erecting tower projects, so ELISA/ELICAN should not be treated as the only possible identification.
How the offshore system was intended to work
ELISA’s design joined a self-buoyant precast-concrete foundation to a telescopic tower. The project aimed to develop and demonstrate a full-scale prototype in an operational environment, and its CORDIS description lists support for turbines in the 5–8 MW range. That range is a project design claim, not evidence of a commercial fleet or measured performance across turbines of those sizes.
The installation concept shifted much of the assembly work to shore: prefabricated concrete sections were assembled onshore, towed to the offshore site, ballasted to the seabed, and raised to their final position. The European Commission’s ELICAN account says conventional heavy-lift strand jacks were used for the offshore lifting. Thus, “self-installing” describes an approach intended to reduce dependence on conventional offshore heavy-lift vessels; it does not mean the structure assembled itself without lifting equipment.
What the funding record says
The European Commission CORDIS record for ELISA, grant agreement 674741, lists the following historical project figures:
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| Funding measure | Amount | What it represents |
|---|---|---|
| Total project cost | €3,575,441.46 | Recorded cost of the ELISA project, not a turbine construction price or current project budget. |
| EU contribution | €2,667,695.00 | Recorded EU contribution to ELISA, not a current financing commitment. |
CORDIS gives ELISA’s project period as 1 June 2015 to 31 May 2017 and marks the project closed. These amounts describe that historical grant; they do not establish a cost saving against conventional installation or the present cost of constructing a turbine.
How ELISA/ELICAN differs from other self-erecting concepts
Related projects address different construction and transport problems. Offshore tower-and-foundation systems, onshore towers designed to rise without auxiliary cranes, and climbing installation devices are not interchangeable technologies.
| Project or system | Setting and approach | What the cited record establishes |
|---|---|---|
| ELISA / ELICAN | Offshore: a telescopic precast-concrete tower integrated with a self-buoyant foundation; assembled onshore, towed out, ballasted, then raised with strand jacks. | CORDIS describes ELISA’s full-scale prototype objective and 5–8 MW design support claim. The European Commission’s ELICAN account describes full-scale deployment work. Neither establishes current commercial availability or present operational status. |
| NABRALIFT / NBTECH | Onshore: a steel-frame tower paired with a hydraulic self-erection mechanism intended to assemble the tower and nacelle without auxiliary cranes. | CORDIS describes planned real-condition testing, including a 200 m tower in Navarra. The cited project description does not independently verify that every planned test took place. |
| SeT | Onshore: a modular tower designed for transport on smaller roads and intended to avoid the need for large cranes. | Portugal’s public funding register records €415.22 thousand in European funding split between WUNDEROCEAN and the University of Coimbra, with completion dated 30 June 2023. This is funding and project-description evidence, not proof of commercial availability. |
| HYTOWER | Onshore hybrid: a lattice-and-tube concept for hub heights above 120 m. The tube is assembled inside the lattice structure and raised by cable lifting, with hydraulic cylinders supporting loads during lifting. | RWTH Aachen describes the concept; the cited material does not provide a common performance or cost comparison with the other projects. |
| KoalaLifter | Installation device: a tower-supported, self-climbing lifting device rather than a self-erecting tower-and-foundation system. | CORDIS describes goals that included expanding the product range, validation and certification, and preparation for commercialization. |
What to check when evaluating a project
A “self-assembling” label alone does not show whether a design fits a particular site. For a construction or development decision, compare the engineering and deployment evidence in context:
- Setting: Offshore tow-out and seabed installation requirements differ from onshore road access, ground conditions, and crane constraints.
- What moves or climbs: Determine whether the tower itself telescopes or self-erects, or whether a separate lifting device climbs the tower.
- Foundation and substructure: ELISA/ELICAN integrates a buoyant foundation with its tower concept; an onshore tower design may address transport or erection without solving offshore foundation needs.
- Transport limits: Check section dimensions, road and port constraints, tow-out requirements, and any site-specific handling equipment.
- Turbine and height compatibility: Confirm the supported turbine capacity and hub-height limits for the specific design. A stated design range or target height is not proof of field performance.
- Evidence stage: Separate a project objective or planned test from a test documented as completed, a full-scale deployment account, and a commercially available product.
- Comparable cost and reliability data: The cited project records do not provide a common independently measured dataset for ranking these systems by cost or reliability.
What is—and is not—established about construction and availability
The official records support a historical account of ELISA funding and describe ELICAN full-scale work using onshore assembly, tow-out, ballasting, and strand-jack lifting. They do not establish that the system is currently operating, commercially available, or being funded for a new construction project. Those claims require current, project-specific confirmation.
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