New Caledonia Submarine Communication Cable Project

In 2024, a large-scale submarine communication cable construction project was launched in New Caledonia, a French overseas territory in the South Pacific. The project aimed to improve the island’s digital connectivity, connect remote coastal areas with the main island, and support the development of local marine monitoring, tourism, and fishery industries. As a key part of the project, the power supply system required high-performance, durable, and compliant cables to withstand the harsh marine environment and ensure stable operation of the communication equipment. Dongguan GERITEL Electrical Co., Ltd. (hereinafter referred to as GERITEL) successfully won the bid for the cable supply of this project, providing high-quality Medium Voltage Cable, Orange Circular Cable, and VSD Cable, and solving the client’s core pain points with our professional strength and complete certification advantages.

1. Urgent Needs and Pain Points of the Submarine Communication Project

The submarine communication cable project in New Caledonia is a key infrastructure project supported by the local government, covering a total length of more than 120 kilometers of submarine cables and 30 kilometers of onshore connection lines. The project involves multiple scenarios, including seabed cable laying, onshore equipment connection, and power transmission for monitoring stations. The client, a local professional infrastructure construction company, faced several critical pain points in the early stage of cable selection, which directly affected the progress and safety of the entire project.

First, the harsh marine environment put extremely high requirements on cable quality. New Caledonia is located in a region with frequent marine storms and high salt spray corrosion, which means the cables must have strong corrosion resistance, waterproof performance, and mechanical strength. The client previously considered some common cables, but they failed to pass the marine environment test, with problems such as sheath cracking and insulation failure after short-term immersion. Second, the project required compliance with strict international standards and local certifications. As a region that follows Australian and international electrical standards, New Caledonia requires all imported electrical products to have authoritative certifications such as SAA to ensure safety and compatibility. Many cable suppliers contacted by the client could not provide valid SAA certification, making their products unable to meet the project’s compliance requirements. Third, the project had a tight schedule, and the client needed a supplier that could provide a full range of cables and ensure fast delivery to avoid delaying the overall construction progress. Finally, the project involved multiple types of cables, and the client hoped to cooperate with a single supplier to simplify the procurement process, reduce communication costs, and ensure the compatibility between different cables.

After multiple rounds of screening and comparison, the client chose GERITEL as their sole cable supplier. The core reason was our complete product range, authoritative SAA certification, and rich experience in overseas infrastructure projects, which could fully solve their pain points and provide a one-stop cable solution.

2. Tailored Cables for Submarine Communication Scenarios

After in-depth communication with the client and on-site investigation of the project’s actual environment, GERITEL’s technical team tailored a complete cable solution, focusing on three core cables: Medium Voltage Cable, Orange Circular Cable, and VSD Cable, and reasonably supplemented other supporting cables to meet the diverse needs of the project. All cables provided by us are made of high-quality raw materials and manufactured in strict accordance with international standards, with clear specifications and stable performance.

The Medium Voltage Cable is the core of the project’s power transmission system, responsible for transmitting high-voltage power from onshore substations to submarine communication equipment and coastal monitoring stations. Considering the marine environment’s corrosion and pressure, we selected the XLPE insulation material for this cable—xlpe cable has better insulation performance, high-temperature resistance, and corrosion resistance compared with traditional PVC insulation cables. It can withstand long-term immersion in seawater without insulation aging, and its mechanical strength is sufficient to resist the impact of marine currents and storm surges. The specific specifications we provided are 3-core 185mm² and 3-core 240mm², with a rated voltage of 10kV, which can meet the high-power transmission needs of the project and ensure stable power supply for the communication system. Compared with other medium voltage cables on the market, our Medium Voltage Cable has a more compact structure and better waterproof performance, and the XLPE insulation layer is thicker, which can effectively prevent short circuits caused by seawater intrusion.

The Orange Circular Cable is mainly used for onshore connection and power distribution of coastal monitoring stations. According to the project’s needs, we provided two specifications: 4-core + earth 10mm² and 4-core + earth 16mm², which comply with the Australian AS/NZS 5000.2 standard and have a rated voltage of 450/750V. The distinctive orange outer sheath of this cable has strong UV resistance, which can adapt to the strong sunlight in New Caledonia and avoid sheath aging and cracking caused by long-term exposure. Compared with flat TPS cables, the round structure of the Orange Circular Cable has better mechanical protection performance, which is suitable for outdoor and semi-exposed installation scenarios such as coastal areas, and can effectively resist mechanical damage during construction and operation. In addition, the internal conductor colors of the cable follow Australian electrical standards, which is convenient for on-site construction and maintenance, improving the construction efficiency of the client’s team.

The VSD Cable is used to connect variable frequency drives (VFDs) and submarine communication equipment, responsible for transmitting stable control signals and power. The specifications we provided are 3-core 2.5mm² and 3-core 4mm², with a rated voltage of 0.6/1kV. This cable has excellent anti-interference performance, which can effectively reduce the interference of marine electromagnetic signals on the control system, ensuring the stable operation of the communication equipment. Compared with ordinary control cables, our VSD Cable has a special shielding layer design, which can isolate external electromagnetic interference and internal signal leakage, and its flexibility is better, which is suitable for the narrow installation space of submarine equipment. The cable’s insulation layer is made of high-quality XLPE material, which has good high-temperature resistance and can adapt to the high-temperature environment generated by the long-term operation of the VFDs.

In addition to the three core cables, we also provided supporting cables such as bare copper conductors and instrumentation cables according to the client’s needs, forming a one-stop cable solution. This not only simplified the client’s procurement process but also ensured the compatibility between different cables, avoiding potential problems such as signal mismatch and power loss caused by using cables from different suppliers.

3. SAA Certification and Strict Quality Control

For the submarine communication project in New Caledonia, safety and compliance are the top priorities. GERITEL’s core advantage lies in our complete certification system and strict quality control, which provides a solid guarantee for the project’s safe operation.

All cables provided for this project have obtained SAA certification, which is the authoritative certification for electrical products in Australia and surrounding regions such as New Caledonia. The SAA certification strictly tests the product’s safety, performance, and environmental adaptability, ensuring that the cables can meet the local electrical standards and safely operate in harsh environments. Unlike other suppliers that cannot provide valid certifications, GERITEL’s SAA certification covers all the cables used in the project, which not only helped the client smoothly pass the local project acceptance but also laid a solid foundation for the long-term stable operation of the cables. In addition, our cables also comply with IEC international standards, ensuring their compatibility and applicability in global infrastructure projects.

In terms of quality control, GERITEL implements strict quality management from raw material procurement to production, testing, and packaging. We select high-quality copper conductors and XLPE insulation materials, which have good conductivity and corrosion resistance, ensuring the service life of the cables. During the production process, we use advanced production equipment and strict process control to ensure the consistency and stability of each cable. Before delivery, all cables must go through multiple tests, including insulation resistance test, voltage withstand test, corrosion resistance test, and mechanical strength test, and only those that pass all tests can be delivered. For the Medium Voltage Cable and xlpe cable used in the marine environment, we also conduct additional seawater immersion tests to ensure that they can withstand long-term marine corrosion and maintain stable performance.

4. Fast Response and Efficient Cooperation

Understanding that the client’s project had a tight schedule, GERITEL formulated a detailed production and delivery plan to ensure fast and efficient delivery without delaying the project progress. After the contract was signed, our production team immediately arranged production, optimized the production process, and prioritized the production of the cables needed for the project. At the same time, our logistics team actively coordinated with international shipping companies to formulate the most efficient transportation plan, choosing fast shipping routes to shorten the transportation time.

During the delivery process, we kept the client informed of the production progress and shipping status in real time, so that the client could arrange the construction schedule in advance. Despite the long distance between China and New Caledonia and the complex international logistics environment, we still completed the delivery of all cables in a shorter time than the client expected, achieving fast delivery while ensuring quality. In addition, we also provided detailed product manuals and technical guidance documents for the client, and sent professional technical personnel to the project site to provide on-site guidance on cable installation and testing, helping the client solve potential problems during the construction process and ensuring the smooth progress of the project.

Project Achievements: Win-Win Cooperation and Client Recognition

With the support of GERITEL’s high-quality cables and professional services, the New Caledonia submarine communication cable project was completed smoothly and put into operation on schedule. The cables provided by us have been operating stably for a long time, without any quality problems such as insulation failure, signal interference, or corrosion, effectively ensuring the stable operation of the submarine communication system.

The project has significantly improved New Caledonia’s digital connectivity, realizing high-speed communication between remote coastal areas and the main island, and providing strong support for the development of local marine monitoring, tourism, and fishery industries. The client highly recognizes GERITEL’s products and services, believing that our cables have excellent quality, stable performance, and complete certifications, which fully meet the project’s requirements. They also emphasized that GERITEL’s fast delivery and professional technical support solved their urgent needs and simplified the procurement and construction process, reducing their project costs and risks.

For GERITEL, this project is an important achievement in expanding the South Pacific market, demonstrating our strength in cable export and overseas infrastructure project cooperation. It also laid a solid foundation for our subsequent cooperation with clients in New Caledonia and other South Pacific regions.

Cooperation Value and Call to Action

The successful cooperation of the New Caledonia submarine communication cable project fully demonstrates GERITEL’s core advantages in the cable industry: high-quality products, complete certifications (especially SAA certification), a full range of product categories, fast delivery, and professional technical support. We understand that for overseas infrastructure projects, especially marine projects, cable quality, compliance, and delivery speed are crucial to the success of the project. GERITEL has rich experience in cable export and overseas project cooperation, and can provide customized cable solutions for clients in different countries and industries, solving their core pain points.

If you are undertaking infrastructure projects in New Caledonia, other South Pacific regions, or around the world, and need high-quality, certified, and reliable cables such as Medium Voltage Cable, Orange Circular Cable, VSD Cable, or xlpe cable, GERITEL is your best choice. We have a complete product system, authoritative certifications, and a professional team to provide you with one-stop cable supply and technical support services, ensuring the smooth progress of your project and realizing win-win cooperation.

Don’t hesitate to contact us now to get a customized cable solution for your project!

Dongguan GERITEL Electrical Co., Ltd.

Tel/WhatsApp/WeChat: +86 135 1078 4550 / +86 136 6257 9592

Email: manager01@greaterwire.com