Tag Archives: renewable energy

IDOM’s 42-Meter Steel Buoy Just Proved Wave Energy Can Actually Work

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Off the rugged coast of Bilbao, quietly bobbing in the Bay of Biscay, is a 42-meter steel buoy most people have never heard of. It has no viral launch campaign, no sleek consumer interface, and no celebrity endorsement attached to it. But the MARMOK-A-5, designed by Spanish engineering firm IDOM, just did something that deserves far more attention than it’s getting. It may be one of the more quietly significant design stories of the year.

In May 2026, an updated version of the MARMOK-A-5 was successfully deployed at the Biscay Marine Energy Platform (BiMEP), off the coast of Bilbao, as part of the EuropeWave Pre-Commercial Procurement program. IDOM is one of three finalists competing for a share of a €13.4 million budget to develop and test next-generation wave energy technology. And unlike a lot of clean energy news that tends to stay in the realm of promises and projections, this one is already in the water, already connected to the grid, and already generating real-world data.

Designer: IDOM

The MARMOK-A-5 is a wave energy converter, and it works on a principle that’s almost elegant in its simplicity. The main structure is a floating spar buoy, 5 meters in diameter and weighing 162 tons. Inside it sits a cylindrical water column. As ocean waves pass through, the water inside rises and falls like a piston. That motion compresses and expands an air chamber at the top of the buoy, and the resulting rush of air spins a turbine. That turbine generates electricity, which travels to shore through a subsea cable. No burning, no drilling, no fuel. Just water moving the way it always has.

The technology has been in development for years. IDOM first deployed the original MARMOK-A-5 at BiMEP back in 2016, making it the first wave energy converter ever connected to the Spanish state electricity grid. That alone was historic. The version now in the water is significantly upgraded, featuring a newly developed power take-off system, controllable turbine blades, onboard batteries, and intelligent control systems built to optimize performance in real, unpredictable high-seas conditions.

What strikes me about this project is how deliberately it was built. Every iteration, every sea campaign, fed into a deeper understanding of how ocean energy behaves at scale. IDOM didn’t rush to market. They observed, adjusted, and came back smarter. The redesigned system focuses on improving power performance while keeping the one quality that sea deployments demand above all else: reliability. A beautiful machine that can’t survive the North Atlantic is just expensive wreckage.

Among the milestones from this latest deployment, one is worth calling out: the MARMOK-A-5 is now the first WEC to connect electrically to the grid through the HarshLab buoy at BiMEP. It sounds like a technical footnote, but it’s a meaningful shift in how ocean energy infrastructure can be tested and eventually scaled. The ability to gather live, grid-connected data from a genuinely harsh marine environment is exactly the kind of proof point that moves wave energy from “promising concept” to “serious contender.”

Wave energy has long sat in the shadow of wind and solar. It’s messier to engineer, harder to deploy, and slower to scale. But it has one clear advantage that doesn’t get discussed enough: oceans are predictable. Waves don’t stop at night and don’t pause on cloudy days, and the world’s coastlines happen to overlap heavily with its most energy-hungry regions. The ocean covers more than two-thirds of the planet’s surface, and most of that constant motion still goes completely untapped. The MARMOK-A-5 is still a prototype, rated at just 30 kilowatts. But prototypes are how industries start.

I keep thinking about how much of what will eventually power our lives is currently sitting, mostly unnoticed, off some coast. Not announced with a keynote. Not trending. Just quietly working, enduring salt and storm, sending electricity down a cable while the rest of us scroll past. The MARMOK-A-5 might be one of the least glamorous objects in clean energy right now. But it might also be one of the most important.

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Largest floating wind platform sets on voyage to offshore destination

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The past few decades we’ve seen a lot of countries look for more sustainable (and safer) sources of energy as large parts of their respective populations continue to use a lot of power for various purposes. Wind energy have been an option for some and so we continue to see a lot of companies developing various types of wind turbines to help power their respective places.

Designer: Mingyang Smart Energy

OceanX is one of the wind turbines that has been making a lot of noise lately as it is now the world’s largest single-capacity floating wind platform. It has finally started its voyage from Guangzhou, China and is expected to reach its final destination of the Qingzhou IV Offshore Wind Farm in Yangjiang, Gangdong by August 14, traveling at 191 nautical miles. Aside from its sheer size, the dual-rotor design and its other technological powers has been catching the attention of those interested in sustainable energy.

The Y-shaped floating platform is made up of two MySE16.6 wind turbines on its upper V-shaped structure, with the entire thing weighing 15,000 tonnes. The blade diameters of the wind turbines are at 597 feet and it can withstand wind of up to 161 mph. Since it has a downward poster and a single-point mooring, the rotors can bend without damaging the supporting structure so it can stand up against extreme conditions like harsh winds and heavy waves.

While there are some reports saying that the OceanX will be able to generate power even in a hurricane, that remains to be seen as formulas of wind turbines in general would say otherwise. The company says that it is expected to generate 54 million kWh annually which would be enough to power 30,000 families (those with 3 members each) for an entire year.

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Former oil refinery will be turned into renewal energy park

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We’re seeing a lot of recreational places like amusement parks, public spaces, museums, etc that are looking for ways to use renewable sources of energy and to be more eco-friendly. There is also a slowly growing call to turn places that used to be major pollutants into something that can benefit mother nature as well as become places that are useful for the general public. One such place in Italy may soon be turned into a clean energy park in order to reconnect this area with the city and its neighbouring areas.

Designer: Carlo Ratti Associati (CRA)

What used to be an oil refinery in Trieste, Italy may soon become a renewal energy park and become part of a 365,000 square meter reclaimed seafront park that will be open to the public. The six former oil reservoirs in the area will be converted into tanks with water batteries and will be used to power the needs of the park. The tanks are 15 meters tall and have a capacity of 110,000 cubic meters and can turn what was once an inaccessible area into a useful public space.

The tanks will be used to store power by having seawater pumped into them and turning them into potential energy. When the power is actually needed, the stored seawater will then be turned into hydroelectric energy and consequently, they will be pumping water back into the sea. The energy needed for this whole “pumped hydroelectric” plant process uses agrivoltaics or dual-use solar panels. The elevated photovoltaic panels will be located around the urban park.

Aside from the fact that it will turn a former pollutant into an environmentally-friendly place, it will also bring Trieste into a closer relationship with the neighboring municipality of Muggia. There are other spaces like green areas, urban farms, and even an Innovation Park with a biotech research facility included inside. Hopefully we’ll see more projects like this in various cities so they can become more sustainable in the future.

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Zaha Hadid Designs Revolutionary Hydrogen Refueling Station for Sustainable Boating

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Zaha Hadid Architects, renowned for pushing the boundaries of architectural design, has recently unveiled a groundbreaking project in collaboration with NatPowerH—a subsidiary of the NatPower group. The NatPowerH Hydrogen Refueling Station is poised to become the world’s first green hydrogen refueling infrastructure, and it’s specifically tailored for Italy’s boating industry. With plans to deploy 100 stations across the Mediterranean in the next six years, this ambitious project aims to address environmental concerns and significantly reduce greenhouse gas emissions from recreational boats.

Designers: Zaha Hadid Architects and NatPower H

At the helm of this initiative is NatPower H, a pioneering global developer of innovative technologies for the production, storage, and distribution of green hydrogen. The €100 million investment will kickstart the installation of the green hydrogen infrastructure in the summer of 2024, with a vision to establish 100 refueling stations throughout the Mediterranean by 2030.

The NatPowerH Hydrogen Refueling Station spans 50 square meters and stands out for its commitment to harnessing renewable energy sources. Through a combination of wind, solar, and other sustainable technologies, the station generates hydrogen while emitting only water vapor and warm air—making it a trailblazer in eco-friendly hydrogen production.

Zaha Hadid Architects has designed the NatPowerH Hydrogen Refueling Station with a focus on scalability, sustainability, and safety. The modular nature of the station allows it to adapt to diverse locations across the Mediterranean. This adaptability ensures that each refueling station can be customized based on specific location needs, such as seating arrangements, pedestrian turnover, size, and facilities for bike charging.

In terms of construction, the NatPowerH Hydrogen Refueling Station incorporates innovative 3D robotic material placement. This technology enables the creation of fully recyclable, dry-assembled masonry, minimizing construction waste. The design draws inspiration from nature, mimicking the striated structures and fluid geometries inherent in Mediterranean landscapes and marine ecosystems.

The circular construction of the refueling stations aligns with NatPower H’s commitment to circularity and the preservation of marine ecosystems. Through the use of low-carbon concrete generated through geometric design rather than increased material usage, the structural materials required are reduced by up to 50%, without compromising performance.

NatPower H’s green hydrogen infrastructure aims to revolutionize the recreational boating industry by creating a network of sustainable energy hubs in major Italian marinas. The initiative responds to the increasing demand for sustainable vessels in the face of ecological concerns. The establishment of protected marine areas worldwide, prohibiting the use of diesel engines, underscores the industry’s need for ecologically sustainable developments.

Collaborating with Zaha Hadid Architects, NatPower H ensures that the construction of the green hydrogen refueling stations adheres to the highest safety standards. The partnership leverages Zaha Hadid Architects’ expertise in modular systems and adaptable designs, allowing for customized configurations based on the unique requirements of each location.

In a broader strategic move, NatPower H has also partnered with Bluegame, a renowned yacht builder, to provide green hydrogen for hydrogen-powered chase boats participating in the upcoming 37th America’s Cup. This collaboration exemplifies the potential benefits of establishing and distributing green hydrogen in the rapidly growing sustainable boating market.

The NatPowerH Hydrogen Refueling Station, designed by Zaha Hadid Architects, represents a landmark project in the transition towards sustainable marine transportation. With its innovative design, commitment to circular construction, and strategic partnerships, this project is set to redefine the future of green hydrogen infrastructure in the recreational boating industry, paving the way for a more eco-friendly and sustainable maritime sector.

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Tree with Solar Panels and Wind Turbines gives Nature-Inspired Clean Energy

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In the quest for sustainable energy solutions, New World Wind has unveiled its revolutionary Aeroleaf Hybrid technology—a micro-wind turbine shaped like a tree, combining the forces of wind and solar energy to provide a clean and unlimited power source. This innovative approach not only meets the growing demand for electricity but also addresses environmental concerns associated with traditional energy production methods.

Designer: New World Wind

The conventional methods of electricity production, often reliant on burning fossil fuels, contribute to environmental degradation and climate change. New World Wind’s Aeroleaf Hybrid offers a compelling alternative by seamlessly integrating wind and solar power. The tree-shaped turbines are equipped with rotating leaves that capture wind energy, complemented by solar panels at the base, ensuring a continuous and efficient energy production process.

New World Wind draws inspiration from the beauty of nature, ensuring that the Aeroleaf Hybrid blends harmoniously with both urban and green landscapes. Unlike conventional wind turbines and solar panels, these tree-shaped energy generators appear as if they naturally grew in their surroundings. This unique design feature allows for a more aesthetically pleasing integration into various environments.

New World Wind’s commitment to green energy is evident in its global installations. The first Aeroleaf Hybrid, welcomed in Birmingham, UK, stands tall on a hill, showcasing its ability to harness wind and solar power in unison. The collaboration with Tom Tits Experiment, a science museum in Sweden, further emphasizes the technology’s versatility and its potential to power significant institutions with clean electricity.

A variant of the Aeroleaf Hybrid without Solar Panels

Recognizing the diverse energy needs of consumers, New World Wind offers three variations of the Aeroleaf Hybrid—Wind Tree, Wind Palm, and Wind Bush. The Wind Tree, with its numerous rotating leaves, is suitable for larger spaces and can even serve as a multifunctional lamp post or charging station for electric vehicles. The Wind Palm and Wind Bush cater to different scales, providing flexibility for installation in various settings, from public gardens to smaller neighborhoods.

New World Wind’s Aeroleaf (Hybrid) technology is based on a patented micro-wind turbine with a leaf-shaped double blade and a vertical axis. This synchronous micro-generator with permanent magnets allows for installation in diverse locations, including rooftops, terraces, pylons, and low-wind areas. The technology, with a single Aeroleaf generating a minimum of 300 watts, has already been deployed in 130 locations worldwide, spanning countries like Spain, the Netherlands, Canada, Australia, Mexico, Portugal, Nigeria, France, the United Arab Emirates, and the United States.

Apart from its functional benefits, the Aeroleaf Hybrid also offers a customizable experience. Consumers can choose from various color options, allowing the turbines to seamlessly integrate with their surroundings. This level of personalization enhances the technology’s appeal and further encourages the adoption of green energy solutions.

By mimicking the elegance of nature, this technology not only provides a sustainable energy source but also exemplifies the potential for beauty and functionality to coexist in our pursuit of a greener tomorrow.

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