World Bank Public Lighting Initiative: 520 Sets Coastal-Grade Solar Street Lighting Systems Engineered for the Comoros Islands
Turnkey off-grid maritime lighting deployment manufactured by MCL Solar (Zhongshan Chengyu New Energy Technology Co., Ltd.) for ALLFAM TRADE under the World Bank public infrastructure initiative in Moroni, Union of the Comoros. Engineered specifically to conquer extreme Indian Ocean salt-spray corrosion, Category 1–2 tropical cyclones (150 km/h), and 85%+ equatorial humidity.
Total Scope: 520 Complete Solar Lighting Sets
Contract No: MCL-ALLFAM-20260626
Structural Pole: 10M Heavy-Duty Conical (T4.0mm, T20 Flange)
Settlement Bank: JPMorgan Chase Bank N.A., Hong Kong
Manufacturer: Zhongshan Chengyu New Energy Technology Co., Ltd. (35,000 m² Plant)
1. On-Site Factory Verification: Workshop Videos
To satisfy the World Bank’s audited quality assurance standards, every system undergoes 100% pre-shipment aging inspection, submersible ingress tests, and structural weld verifications at our Zhongshan manufacturing base. Below are real on-site verification videos recorded during project execution:
2. Real Photographic Evidence: Production & Finished Systems
Authentic photographic documentation from our production floor illustrating the actual hardware components delivered for the Comoros Islands public lighting project:
3. Audited Project Bill of Quantities (BOQ) & Technical Schedule
International tender compliance mandates complete transparency across metallurgical, electrical, and optical properties. The audited technical bill of materials for the Comoros Islands public lighting project is detailed below:
| Component | Audited Technical Specification | Scope / Metric | Compliance Standard |
|---|---|---|---|
| System Model | MCL-150W-COASTAL Zero-Iron Edition (All-in-One Integrated) | 520 Complete Sets | CE, RoHS, IP68, IK09 |
| LED Optical Engine | Philips Lumileds 5054 Matrix Chips (300 Units), 5000K Pure White, System Efficacy >180 lm/W | 14,400 Lumens Output | NVLAP LM-80 Report, >100,000h (L70) |
| Solar PV Module | High-Efficiency Monocrystalline 18V 150Wp, 23.8% cell conversion rate, 3.0mm arc tempered glass | 150Wp Peak Capacity | IEC 61215 & IEC 61730 Tested |
| Battery Storage | 100% Brand-New Grade-A LiFePO4 32650 cells, 12.8V 66Ah (844.8Wh) / 3.2V 150Ah (480Wh) configuration | >3,500 Cycles @ 80% DOD | UN38.3, CB / IEC 62133, 1.2m Drop Test |
| MPPT Controller | Synchronous Digital MPPT Controller (≥99.9% tracking, >99% charging efficiency), fully submersible IP68, 5-stage MCU dimming | 100% (1h) + 80% (3h) + 30% (8h) | IP68 Submersible Enclosure |
| Corrosion Protection | Zero-Iron Architecture: 100% ADC12 high-pressure die-cast aluminum + marine SUS301 stainless steel exterior fasteners | Zero Ferrous Parts | ASTM B117 Heavy Salt-Spray Resistance |
| Structural Lighting Pole | 10-Meter Q235B Conical Steel Pole (Ø75mm Top / Ø180mm Bottom / T4.0mm wall), hot-dip galvanized ≥ 86 μm | Wind Resistance: 150 km/h | ASTM A123 / EN ISO 1461 Standard |
| Foundation Anchor | 350×350×20mm (T20 ultra-thick) base flange reinforced with 4 triangular gussets, M24×700mm anchor bolt cage | Cyclone-Grade Anchor | Structural Mechanical Calculation Certified |
| Manufacturer Warranty | Full-System 5-Year Direct Factory Operational Warranty backed by MCL Solar | 5 Years (60 Months) | Contract Reference: MCL-ALLFAM-20260626 |
4. Maritime Engineering Innovations for Tropical Archipelagoes
1. Zero-Iron Galvanic Elimination
In tropical coastal climates, standard carbon steel brackets generate electrochemical galvanic corrosion with aluminum in the presence of seawater chlorides. MCL Solar’s 100% ADC12 body with SUS301 stainless fasteners eradicates rust run-off completely, maintaining pristine structural appearance for decades.
2. Hermetic IP68 Submersion Seal
Tropical storm surges in the Indian Ocean overwhelm conventional IP65 fixtures. With customized fluorosilicone dual-ring gaskets, both optical cavity and battery compartments withstand continuous immersion, certified to IP68 submersible standards and IK09 mechanical impact resistance.
3. Tropical Cyclone Wind Stability
To protect public infrastructure during 150 km/h cyclones, the 10M conical poles utilize a 4.0mm thick wall, 4 welded triangular gusset plates on a massive 20mm (T20) flange, and high-tensile M24 anchor cages, ensuring zero structural bending or foundation loosening.
5. Institutional Verification & Global Trade Settlement
Unlike trading intermediaries that rely on third-party outsourcing, MCL Solar operates a dedicated 35,000 m² production facility equipped with high-speed SMT placement lines, robotic LiFePO4 laser welding stations, CNC aluminum processing centers, and heavy-duty pole fabrication workshops. This project was transacted under formal International Sales Contract MCL-ALLFAM-20260626, funded under the World Bank framework, and settled via JPMorgan Chase Bank N.A. (Hong Kong Branch).
Procure Certified Solar Street Lighting for Municipal & EPC Tenders
Are you preparing a government tender, utility bid, or commercial infrastructure project requiring high-wind resistance, coastal anti-corrosion, and authentic factory compliance reports? Partner directly with MCL Solar for custom engineering solutions, turnkey manufacturing, and DIALux photometric calculations.
Engineering & Manufacturing Verification at MCL Solar
All commercial solar street lighting luminaires, intelligent MPPT controllers, and Q235 hot-dip galvanized steel poles are manufactured in-house by Zhongshan Chengyu New Energy Technology Co., Ltd. at our 35,000 m² production facility in Guzhen Town, Zhongshan, Guangdong, China.
Explore our verified municipal track record: Saudi Arabia 253 Sets 55°C Desert Highway Project, Philippines Coastal Highway Typhoon-Resistant Installation, or inspect third-party IEC/CE/ISO test reports at our Compliance Verification Center.
Need Engineering Sizing or EPC Tender Support?
Contact MCL Solar’s engineering division for complimentary DIALux road lighting simulations, solar autonomy calculations, and direct factory pricing for municipal and commercial infrastructure projects.