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Tide Record Inspires The World: Turbine Operates 6 Years Without Maintenance At 40 Meters Deep — And 130 More Are Coming

Published on 14/07/2025 at 10:07
Turbinas eólicas, Turbinas, energia eólica
Imagem mostra uma turbina submersa do projeto MeyGen, instalada a 40 metros de profundidade no mar da Escócia. Com pás de três metros, ela aproveita a força das marés para gerar energia limpa de forma contínua, operando há mais de seis anos sem falhas. Foto representativa: IA
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MeyGen Project Turbine Has Operated for Six and a Half Years Without Failures, Reinforcing the Advancement of Tidal Energy in the United Kingdom

A turbine installed about 40 meters below the surface, off the coast of Scotland, has been spinning uninterrupted for over six years. This achievement showcases the advancement of tidal energy and its commercial potential. The structure has withstood the harsh marine environment since its installation and has become a model for new projects.

Continuous Operation Impresses Sector

Last week, Swedish company SKF reported that one of the MeyGen project’s turbines has reached six and a half years of operation without failures or unplanned maintenance.

According to SKF, which has been involved in marine energy for over a decade, this represents a significant step for the economic viability of the technology.

Rémi Gruet, CEO of Ocean Energy Europe, stated that this milestone is very important for the future of tidal energy.

If it were necessary to remove the turbine from the sea for maintenance every two years, the costs would be very high and make this type of generation unfeasible.

Scottish Project Leads in Marine Energy Use

The MeyGen project operates off the coast of Scotland and has been supplying energy to the power grid for about eight years. It features four turbines of 1.5 megawatts each, enough to power up to seven thousand homes per year.

With this set, the project is considered the largest in the world in operation in the tidal energy sector.

The turbines are installed in the Inner Sound channel in Pentland Firth. The region is known for its strong tides, an ideal condition for this type of technology.

The installation was carried out in open water, unlike systems that use dams.

Next Steps for Expansion

The goal is to install an additional 20 turbines by 2030, following improvements to the electrical grid. The full plan anticipates up to 130 turbines on-site.

The next units are expected to be even more powerful, increasing the generation capacity and reach of the project.

Fraser Johnson, operations manager of the MeyGen project, commented that adapting wind turbines for the submerged environment is an important technical challenge.

The record-holding turbine is still expected to operate for at least another year before undergoing maintenance.

Potential Still Largely Untapped

According to the U.S. National Renewable Energy Laboratory (NREL), marine energy represents the largest untapped source of renewable energy on the planet.

This category includes tides, currents, waves, and temperature variations in the oceans.

Despite the potential, few projects are in continuous operation. Most are still in testing phases, as explained by Andrea Copping, a marine energy specialist.

She highlights challenges such as regulations, environmental impacts, and disputes over sea usage.

YouTube Video

United Kingdom Advances with Global Leadership

The United Kingdom, along with Scotland, is among the world leaders in the development of tidal energy.

With the advancement of the MeyGen project and the results obtained, the country consolidates its position in this promising sector of clean generation.

The expectation is that, with more investments and technical improvements, tidal energy will gain traction in the energy matrix and contribute to emission reductions and diversification of renewable sources.

With information from Fast Company.

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Romário Pereira de Carvalho

Já publiquei milhares de matérias em portais reconhecidos, sempre com foco em conteúdo informativo, direto e com valor para o leitor. Fique à vontade para enviar sugestões ou perguntas

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