Comoros Grand Comore PV + Energy Storage Project

In 2022, we partnered with a leading renewable energy developer on the 16MW PV + 9.1MWh energy storage project located in Grand Comore, Comoros. As a key wire supplier for this UAE-aided project, we successfully solved the client’s core pain points with competitive pricing, customized solutions, and high-quality wire products, delivering reliable support for the island’s green energy transformation. This case study details how we overcame regional challenges, met project-specific demands, and established a long-term cooperative relationship with the client through professional services and superior product strength.

1. Urgent Demand for Reliable Wires in Comoros’ Renewable Energy Drive

Comoros, a small island nation in the western Indian Ocean, has long faced energy shortages and heavy reliance on imported fossil fuels. To address this issue and promote sustainable development, the local government launched a large-scale PV + energy storage project in Grand Comore in 2022, with funding and technical support from the UAE government. The project aims to improve the island’s power supply stability, reduce carbon emissions, and lay the foundation for long-term energy independence.

Our client, a renewable energy company undertaking the project, encountered several critical challenges when sourcing wires for the PV + energy storage system. First, the project was time-sensitive, and the client needed a supplier that could deliver high-quality products quickly to avoid delaying the overall construction schedule. Second, the tropical marine climate of Grand Comore—characterized by high temperature, high humidity, strong UV radiation, and salt spray—placed strict requirements on the weather resistance and corrosion resistance of the wires. Ordinary wires would easily age, crack, or short-circuit in such an environment, threatening the safety and service life of the entire PV system.

Additionally, the client faced budget pressures and needed wires that offered both high quality and competitive pricing. They also required a supplier with rich experience in African market exports, who could provide customized solutions based on the project’s specific needs and handle the complex certification and customs clearance procedures required for wire exports to Comoros. After comparing multiple suppliers, the client chose us for our comprehensive advantages in product quality, pricing, customization capabilities, and certification strength.

2. Tailored Wires for PV + Energy Storage System Needs

After in-depth communication with the client, we gained a clear understanding of the project’s wiring requirements, including the specifications, quantities, and application scenarios of the wires. Based on the tropical marine environment of Grand Comore and the operational characteristics of the PV + energy storage system, we designed a customized wire solution, focusing on three core wire models: H1Z2Z2-K, KVV, and H07V-R, while supplementing other commonly used wires in the African market to ensure the completeness and stability of the system.

The H1Z2Z2-K wire, especially the model, was selected as the core wire for the PV module connection. Unlike ordinary PV wires, the H1Z2Z2-K wire adopts low-smoke halogen-free flame-retardant materials for insulation and sheath, which not only avoids the release of toxic halogenated gases and dense smoke in case of fire but also enhances the fire safety level of the PV system. It has excellent weather resistance, capable of withstanding a temperature range of -40℃ to 90℃, and can resist UV radiation, ozone, and salt spray corrosion, fully adapting to the harsh outdoor environment of Grand Comore. The 2x4mm specification was specifically chosen for its balanced current-carrying capacity and energy transmission efficiency, ensuring minimal energy loss during the transmission of electricity generated by PV modules. We supplied a total of 8,500 meters of wire, along with 4,200 meters of 1x6mm² H1Z2Z2-K wire for auxiliary connections.

For the control system of the energy storage unit, we recommended the KVV control cable, which is specially designed for transmitting control and monitoring signals. The KVV cable uses PVC insulation and sheath, with good electrical insulation performance and mechanical strength, ensuring stable signal transmission without interference. We provided multiple specifications to meet different control needs: 3,800 meters of KVV-4×2.5mm² for multi-loop control lines, 2,100 meters of KVV-10×1.5mm² for centralized multi-signal transmission in distribution cabinets, and 1,500 meters of KVV-2×1.0mm² for simple control signal transmission. Compared with ordinary control cables, the KVV cable has better anti-interference performance and longer service life, making it suitable for the complex control environment of the energy storage system.

The H07V-R wire was used for the fixed wiring of the project’s power distribution system. This low-voltage insulated wire has a rated voltage of 450/750V, a working temperature range of -5℃ to 70℃, and is easy to install in conduits, making it ideal for indoor and outdoor fixed wiring scenarios. We supplied 6,300 meters of 2.5mm² H07V-R wire, 4,800 meters of 4mm² H07V-R wire, and 2,700 meters of 6mm² H07V-R wire, which were used for connecting distribution boxes, inverters, and other electrical equipment. Compared with similar products on the market, our H07V-R wire uses high-purity stranded copper conductors, which have lower resistance and higher conductivity, reducing energy loss during power transmission.

3. Certified Quality to Meet African Market Standards

Quality and safety are the core priorities of electrical projects, especially in remote island areas where maintenance is difficult. To ensure the reliability and safety of the wires used in the Grand Comore project, all our products have passed strict quality inspections and obtained a full set of international and African local certifications, which is one of the key reasons the client chose us.

All our wires, including H1Z2Z2-K, KVV, and H07V-R, comply with IEC international standards (IEC 60227/60245/62930) and have obtained UL, TUV, CE, TUV, and ROHS certifications. For the African market, we also obtained the COC (Certificate of Conformity) certification required for wire exports to Comoros, which is a mandatory "pass" for customs clearance and market circulation in African countries. This certification ensures that our products meet the local electrical safety standards and avoid the risk of customs detention, fines, or even product destruction due to unqualified certification.

In addition, we have established a strict quality control system throughout the production process. From the selection of raw materials (high-purity copper conductors, high-quality insulation materials) to the production, processing, and final inspection, each link is subject to rigorous testing to ensure that the wires meet the specified specifications and performance requirements. For example, the H1Z2Z2-K wire undergoes strict weather resistance and flame-retardant tests, and the KVV cable is tested for signal transmission stability and anti-interference performance. Before delivery, all wires are inspected for continuity, insulation, and mechanical strength to ensure that no defective products enter the project site.

4. Fast and Efficient to Meet Project Deadlines

The client attached great importance to the delivery speed of the wires, as any delay would affect the overall construction progress of the PV + energy storage project. After confirming the order, we immediately started the production arrangement, giving priority to the production of the project’s wires to shorten the production cycle. We also optimized the logistics plan in advance, choosing a reliable international logistics company with rich experience in African exports to handle the transportation and customs clearance procedures.

Thanks to our mature production lines and efficient supply chain management, we completed the production of all wires in a short time and arranged for shipment immediately. We provided the client with real-time logistics tracking information, allowing them to grasp the location of the goods at any time. During the customs clearance process, our professional team provided all the required certification documents and cooperated closely with the local customs to ensure that the goods passed customs clearance smoothly without any delays. The entire delivery process was fast and efficient, fully meeting the client’s urgent needs and ensuring that the project construction proceeded as scheduled.

5. Stable Operation and Win-Win Cooperation

By the end of 2022, the Grand Comore PV + energy storage project was successfully put into operation, and our wires have been operating stably without any quality problems. The wire and other products have performed excellently in the tropical marine environment, effectively resisting the impact of high temperature, humidity, and salt spray, ensuring the stable transmission of electricity and the safe operation of the entire system.

The project has significantly improved the power supply stability of Grand Comore, reduced the island’s reliance on imported fossil fuels, and brought clean and affordable electricity to local residents and businesses. Our wires have made an important contribution to the smooth operation of the project, and the client is highly satisfied with our product quality, customization capabilities, delivery speed, and after-sales service.

From the client’s perspective, our solution not only solved their urgent needs for high-quality, cost-effective wires but also helped them avoid potential risks such as project delays and safety hazards. The competitive pricing of our products helped them control the project budget effectively, while the professional customization services and fast delivery ensured the smooth progress of the project. The client stated that they will continue to cooperate with us for future renewable energy projects in Comoros and other African countries.

6. Cooperation Value and Call to Action

This cooperation with the Grand Comore PV + energy storage project fully demonstrates our strength in wire export to the African market. We have rich experience in providing customized wire solutions for African renewable energy projects, and we understand the unique environmental conditions and market requirements of the African region. Our core advantages lie in: competitive pricing that balances quality and cost, customized solutions tailored to project needs, high-quality products with complete certifications, and fast and efficient delivery and after-sales services.

If you are undertaking PV, energy storage, or other electrical projects in Comoros or other African countries, and are looking for a reliable wire supplier that can solve your pain points, we are your best choice. We can provide you with high-quality wires including H1Z2Z2-K, KVV, H07V-R, and other models commonly used in the African market, as well as customized solutions based on your specific project needs. Our products have complete certifications, competitive prices, and fast delivery, ensuring that your project is completed smoothly.

Contact us today to discuss your wire needs and get a professional quote. We look forward to cooperating with you and helping your projects achieve success in the African market!

Contact Information

Dongguan Greater Wire & Cable Co., Ltd.

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

Email: manager01@greaterwire.com