CONSTRUCTION OF A SOLAR-POWERED AUTOMATIC STREET LIGHTING SYSTEM

Unreliable electricity supply has remained one of the major challenges affecting street lighting systems in developing nations such as Nigeria. Conventional grid powered street lights often fail during power outages, leading to insecurity, poor visibility, and reduced nighttime economic activities. Although solar-powered lighting systems have emerged as an alternative, many designs still suffer from inefficiency, poor energy storage, and limited automation. This project focuses on the design and construction of a solar-powered automatic street lighting system that operates efficiently and independently of the national grid. The system uses a 12V solar panel to charge a 12V rechargeable battery through a charge controller. A Light Dependent Resistor (LDR) automatically switches the light ON at dusk and OFF at dawn. High-efficiency Light Emitting Diodes (LEDs) were used as light sources for low power consumption and long lifespan. The system was designed, simulated, and constructed successfully. Testing showed that the street light could operate continuously throughout the night with stable illumination and efficient battery performance. The project demonstrates that a solar-powered automatic street lighting system is a reliable, cost-effective, and environmentally friendly solution to Nigeria’s public lighting challenges. The study recommends further development of hybrid models that integrate smart sensors, motion detection, and remote monitoring to improve system performance and urban security.