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New wave energy machine is placed in the sea in Spain and promises to convert wave motion into electricity during offshore tests

Written by Fabio Lucas Carvalho

Published on 16/05/2026 at 12:42

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Prototype MARMOK A 5, developed by the Spanish company IDOM, was installed at BiMEP, off the coast of Bizkaia, to test in open sea performance, robustness, reliability, maintenance, and connection to the electrical grid.

Wave energy prototype deployed at BiMEP, off the coast of Bizkaia, will be tested in open sea to verify performance, robustness, reliability, and maintenance, in a phase conducted by IDOM.

Called MARMOK A 5, the floating converter incorporates controllable blades, onboard batteries, and intelligent control systems. The technology will be connected to the grid via the Lab platform, integrated with BiMEP infrastructures.

Wave energy will be evaluated in real conditions

The device was installed at the Biscay Marine Energy Platform, an open sea structure aimed at research and technical testing of prototypes. The campaign will allow monitoring of the system’s behavior during operation.

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History at BiMEP guides new phase

The technology has a precedent at BiMEP itself, where a previous version of the device was tested between 2016 and 2019, being the first of its kind in the State. The new campaign extends this validation trajectory.

Borja de Miguel, project manager at IDOM, stated that the deployment is a milestone for the company and the EuropeWave program. He mentioned years of design, engineering, learning, and the start of offshore commissioning.

The MARMOK-A-5 is 42 meters long, with a draft of 36 meters and a freeboard of 6 meters, as well as a diameter of 5 meters and a displacement of 162 Tm.

The equipment also served as a test platform for the OPERA Horizon 2020 project, with European turbines, control algorithms, and mooring systems.

New wave energy machine is placed in the sea in Spain and promises to convert wave motion into electricity during offshore tests

Prototype MARMOK A 5, developed by the Spanish company IDOM, was installed at BiMEP, off the coast of Bizkaia, to test in open sea performance, robustness, reliability, maintenance, and connection to the electrical grid.

Wave energy will be evaluated in real conditions

History at BiMEP guides new phase

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