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Wartsila to upgrade electrical and automation systems of the Kribi power plant in Cameroon

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Wartsila to upgrade electrical and automation systems of the Kribi power plant in Cameroon. Image: Wartsila
Wartsila to upgrade electrical and automation systems of the Kribi power plant in Cameroon. Image: Wartsila
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The technology group Wartsila will carry out an upgrading project of the electrical and automation systems to ensure optimal reliability of the Kribi power plant in the Republic of Cameroon. The 216 MW plant has been in operation for nearly ten years, operating with 13 Wartsila 50DF dual-fuel engines running primarily on natural gas. At the time of commissioning, it was the largest gas engine power plant in Sub-Saharan Africa. Wartsila will also support the customer’s operational and maintenance performance with a 10-year long-term service agreement.

The order with Wartsila was placed by Kribi power development company, a subsidiary of Globeleq, an independent power producer and the owner and operator of power generating facilities across Africa. The order will be booked in Wartsila’s order intake in Q3/2022.

“The Kribi power plant has a vital role within the African energy sector. It is still today supplying two-thirds of the thermal energy in Cameroon. Cameroon’s energy system relies heavily on hydropower but has uncertain resources of water. The Kribi plant, therefore, plays a key role in ensuring a supply of safe, cheap, and reliable energy. For this reason, we are keen to upgrade the power plant’s automation systems to the latest design to ensure optimal reliability, and to strengthen our cooperation with Wartsila, leveraging their competences on a continuous basis within the framework of the long-term service agreement,” commented Gionata Visconti, Chief Operating Officer, Globeleq.

Wartsila has a strong regional presence, which enables us to provide valuable technical support that optimises engine performance and maximises the production capabilities of this power plant which has such a significant role in Cameroon’s power supply. We are also in a position to ensure the availability of critical spare parts, and this is an essential element within the long-term service agreement between our companies. All in all, this is a very important project, both for the customer and for Wartsila,” said Markus Ljungkvist, Vice President, Services, Wartsila Energy.

The project is scheduled to commence in 2023. To ensure the continuity of the plant’s output, the work will be carried out on one engine at a time. The long-term service agreement includes remote operational support, maintenance planning, technical advisory and remote troubleshooting services, as well as spare parts.

Long-term service agreements are an integral part of Wartsila’s lifecycle services offering. They are based on utilisation of the latest digital technologies and supported by the company’s extensive know-how and understanding of power generation installations.

Wartsila has altogether supplied 550 MW of generating capacity to the Republic of Cameroon, and 7.5 GW to the whole of Africa, of which more than 25 per cent are covered by Wartsila service agreements.

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Maritime

Jan De Nul Group’s Les Alizés starts construction of Ørsted’s wind farms

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Jan De Nul Group's Les Alizés starts construction of Ørsted’s wind farms. Image: Jan De Nul
Jan De Nul Group's Les Alizés starts construction of Ørsted’s wind farms. Image: Jan De Nul
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Jan De Nul Group’s newest crane vessel, Les Alizés, kicks off her maiden assignment by installing the first of 107 monopile foundations for the construction of Ørsted’s Gode Wind 3 and Borkum Riffgrund 3 wind farms in Germany. Delivered early 2023, Les Alizés arrived in the Dutch Eemshaven at the end of June, where the first monopiles were loaded before departing to the installation location in the German North Sea.

In total Les Alizés will transport and install 106 wind turbine monopile foundations and one offshore substation foundation, including associated topside for the offshore wind farms Gode Wind 3 (253 MW) and Borkum Riffgrund 3 (913 MW) in the German North Sea, developed by the Danish leader in offshore renewables Ørsted.

Both wind farms will use 11-MW Siemens Gamesa turbines. The Borkum Riffgrund 3 more particularly will be located adjacent to Ørsted’s existing offshore wind farms Borkum Riffgrund 1 and Borkum Riffgrund 2. Gode Wind 3 will be close to Ørsted’s Gode Wind 1 and 2.

Ørsted will use monopiles without transition piece. Before installation, scour protection will be installed at all 107 locations.

Once completed, these wind farms will generate enough electricity to power approx. 1.2 million German households every year.

Jörg Kubitza, Managing Director for Ørsted in Germany: “With the installation of the foundations for our two new projects this year, we are laying the ground work for additional, large-scale renewable energy at sea. And thus further establish offshore wind power as a pillar of the energy transition. I am pleased that we have now reached the next milestone. In addition to the required capacities that will have to be installed in the coming decades, our projects also exemplify how offshore wind power can be built out in a value-creating and competitive manner in Germany – if the right framework conditions are in place.”

Peter De Pooter, Manager Offshore Renewables at Jan De Nul Group: “This contract is an important milestone for us, as it is the maiden project for our new Next-Gen heavy lift vessel Les Alizés. We are looking forward to install and complete both wind farms in close collaboration with our client Ørsted. Together with Voltaire’s first mission and other projects, we are proud to contribute to construct the global transition to renewable energy by installing these offshore wind turbines in the most efficient and environmentally friendly way possible.”

LES ALIZÉS IS THE RESPONSE TO GLOBAL TRENDS WITHIN THE OFFSHORE WIND ENERGY SECTOR

Les Alizés is a Next-Gen offshore installation vessel. Thanks to her dimensions and impressive lifting and loading capacities, Les Alizés will be able to load out, transport and install multiple units of the largest and heaviest wind turbine foundations. In addition, as a crane vessel that floats, it will be able to install heavier and larger foundations into deeper waters and in more challenging seabed conditions.

The vessel is fitted with a highly advanced exhaust filtering system by means of a Selective Catalytic Reduction system and a Diesel Particulate Filter, making it the very first seagoing installation vessel of its kind to be an Ultra-Low Emission vessel (ULEv), moreover Stage V-certified.

This vessel investment is a response to the global trend within the offshore wind energy sector to design and install increasingly larger wind turbines.

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Maritime

SeaVolt to installs first floating solar energy test platform offshore

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SeaVolt to installs first floating solar energy test platform offshore. Image: Jan De Nul
SeaVolt to installs first floating solar energy test platform offshore. Image: Jan De Nul
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SeaVolt, a collaboration between Tractebel, DEME, and Jan De Nul, gets ready for its first floating solar energy test platform to be installed offshore. The platform floatation system is currently located in the port of Ostend, on the Belgian North Sea coast, where main contractor Equans is finalizing assembly. The test platform will be the first installation in the Belgian North Sea aimed at the large-scale development of offshore solar energy and is scheduled to be towed offshore, anchored, and put into operation to gather data for at least a year starting in August.

The potential of SeaVolt is unlimited and pioneers the great potential of offshore solar energy. Unlike existing floating solar installations on lakes, SeaVolt has developed a concept specifically tailored to the conditions of rough seas. With its modular design, this technology is highly suitable for installation as a complement to offshore wind farms.

Julie De Nul, CEO Jan De Nul Group: “We are thrilled to launch the SeaVolt technology, which represents the culmination of years of hard work and innovation in offshore PV technology together with our partners. As we enter the offshore test phase, we are excited to see what this technology will become. The floating solar energy test platform is a crucial step in developing a reliable and sustainable solution. It serves as a laboratory to gain knowledge and push the technological development further. We believe SeaVolt has the potential to play a crucial role in optimizing the use of space on the sea by complementing offshore wind farms. We are excited to shape the future of renewable energy and contribute to a more sustainable future.”

Testing the solar panels

Under the framework of the Blue Cluster funded research project MPVAQUA and additional support from the federal government via BELSPO, the partners within SeaVolt together with UGent are ready to conduct a year-round open-sea testing inside the POM-West-Vlaanderen owned ‘Blue Accelerator offshore test zone’. This proof of concept installation will gather crucial data on the impact of waves, rain and salt sprays on various solar panels with different PV panel configurations. In addition, the impact of varying inclinations, caused by waves and wind, on the energy output will be closely monitored. The test aims to determine the level of protection required to shield the solar panels from seawater and bird droppings.

Testing the floater

Amongst other materials suitable for this floating technology, SeaVolt has chosen to use novel light-weight carbon fiber material in this test installation. This material presents potential benefits for offshore use however is not often used in such harsh marine conditions yet.

Optical embedded fibers and sensors attached to the structure will assess if the structural integrity (vibrations/fatigue) of the material is in line with the numerical models and results obtained from the ocean wave tank and wind tunnel tests. Since the floating structure and solar panels are driving the cost, these measurements are indispensable for further financial assessment.

Testing the ecological impact

In addition to technical tests, the SeaVolt test installation will also address ecological aspects. Various materials will be evaluated based on prevention of adverse effects on the marine environment. The test results will determine the selection of materials for further development. It is important not only to minimize the attachment of excessive marine growth to the floater to maintain its buoyancy, but also to attract and repel the appropriate species to achieve optimal interaction with the ecosystem, creating an “artificial reef.” Lastly, specific tests will be conducted to assess combining the floater systems with mussel cultivation and oyster farming, which present specific challenges.

FLOATING LABORATORY

This crucial test, targeting all aspects of SeaVolt technology to develop a reliable, cost-efficient, and sustainable solution, will be the first installation in the Belgian North Sea aimed at the large-scale development of offshore solar energy. Since this test is only containing a few solar panels for a rather large floater construction, it is not to be seen as a first prototype of the full scale. It is rather a laboratory to gain knowledge and push the technological development further. The expectations for this new application of solar energy are high. Offshore solar energy provides an additional opportunity to produce local green energy. Combined with offshore wind, it aligns with the strategy of multi-use sites and can optimize the use of existing electrical infrastructure.

Promising European market

The significant potential of offshore solar energy is also recognized internationally. It has captured the attention of the European Green Deal plans, with an announcement by the Dutch government to have 3 GW of offshore solar energy in operation by 2030, and concrete projects under development up to 100 MW. Technology development is essential to achieve these ambitions. With this offshore test, SeaVolt is taking the critical initial step to further advance large-scale marine floating solar energy. Based on the experience gained so far, the developed technology and the consortium behind it are today viewed as amongst most promising by the market.

Next steps for SeaVolt

Meanwhile, ecological research and economic research is ongoing amongst others covering future LCOE evolutions analysis. To ensure further development, Seavolt is preparing for a large-scale demonstration project within an offshore wind farm. As such the potential of integrating offshore floating solar inside an offshore windfarm will be further assessed. If all goes well, large-scale offshore solar energy is expected to become a reality and in this case, Seavolt hopes to secure a significant share in this new development of the already strong Belgian offshore sector.

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Environment

EU member states agree to the “FuelEU Maritime” regulation

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EU member states agree to the "FuelEU Maritime" regulation. Image: Port of Hamburg
EU member states agree to the "FuelEU Maritime" regulation. Image: Port of Hamburg
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EU Member States cleared the way to bring sustainable renewable fuels into maritime transport. They approved the “FuelEU Maritime” regulation. The EU Parliament had also voted in favour of the agreement reached in the trilogue procedure.

The new requirements will apply to ships with a gross tonnage of more than 5,000 entering, leaving or staying in ports in the territory of an EU Member State. In addition, shore-side electricity will be mandatory for container and passenger ships from 2030. The use of synthetic fuels from renewable energies will be specifically promoted for shipping.

Federal Minister of Transport Dr Volker Wissing:
After we were recently able to achieve a breakthrough for maritime climate protection at UN level, we are now pushing the actual transformation towards climate-neutral shipping at European level with the “FuelEU Maritime” initiative. The draft regulation is open to technology and takes into account the special competitive conditions in the maritime transport sector. The main objective is to increase the demand for renewable and low-carbon fuels and their consistent use, thereby decisively reducing greenhouse gas emissions in maritime transport. The initiative is thus expected to play a fundamental role in the implementation of the European Climate Change Act for shipping.

Federal Environment Minister Steffi Lemke:
Today the EU has set a decisive course for more climate protection and the use of renewable fuels in maritime transport. Shipping companies will continue to rely on fuels in the future, because electric drives are not yet an option for long-distance transport. In maritime transport, e-fuels from renewable energies are therefore a sensible climate-friendly alternative. With the new requirements, the EU is giving manufacturers and shipping companies the necessary planning security, driving forward the development of modern technologies and making renewable fuels for maritime transport ready for the market. But there are also shadows: The fact that fuels from fossil sources and nuclear energy are also permitted as a compliance option is regrettable. The German Federal Ministry for the Environment, Nature Conservation, Nuclear Safety and Consumer Protection (BMUV) will continue to advocate the use of predominantly synthetic fuels from renewable energy sources in order to make maritime transport climate neutral.

FuelEU Maritime lays down uniform EU-wide rules for limiting the greenhouse gas intensity of the energy used on board a ship, and thus above all the fuels. The regulation from the Fit for 55 package stipulates that shipping in the EU must reduce its emissions by 2 percent from 2025, 6 percent from 2030, 14.5 percent from 2035, 31 percent from 2040, 62 percent from 2045 and 80 percent from 2050. The GHG intensity reduction targets are set against the 2020 average GHG intensity of energy consumed on board ships. The greenhouse gas emissions of all fuels are assessed on the basis of a life cycle assessment (so-called well-to-wake (WtW) approach that includes the greenhouse gases carbon dioxide, methane and nitrous oxide). All fuels are permitted as a compliance option; the legislative initiative is thus technology-neutral.

The use of synthetic fuels is encouraged by a special mechanism: if the share of synthetic fuels from renewable energy sources (so-called “renewable fuels of non-biological origin, RFNBO) in the fuel mix does not exceed one percent in 2031, a mandatory minimum quota of two percent for these RFNBO fuels will automatically come into force from 2034. Beyond the use of alternative fuels, the FuelEU Maritime Regulation obliges container and passenger ships in ports in the territory of a Member State to use shore-side electricity or alternatively zero-emission technologies for on-board energy supply.

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union. It shall apply from 1 January 2025, with the exception of certain Articles which shall apply from 31 August 2024.

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