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As the demand for solar energy surges across Nigeria, so too does concern over the safety of rooftop solar installations. While solar power promises cleaner, more affordable electricity, the National Board for Technical Education (NBTE) has issued a stark warning: poorly installed solar systems can pose serious fire hazards, especially in urban slums and rural communities.
According to Professor Idris Bugaje, Executive Secretary of NBTE, many ongoing rooftop installations across the country are dangerously unprofessional. The problem? Amateurs and uncertified technicians are installing photovoltaic (PV) systems without adhering to proper safety standards.
“During the peak of solar radiation, the current flowing through the wires is at its highest,” explains Bugaje. “If the current is too high, the wires can overheat due to internal resistance. In extreme cases, they can melt, increasing the risk of fire.”
One major hazard occurs when incompatible or substandard components are used. Without proper thermal protection, circuit breakers, or grounding systems, the risk of short circuits or sparking becomes significant, especially in homes with flammable roofing materials like wood, corrugated plastic, or thatch.
Another widespread issue is the angle at which panels are installed. Many technicians follow the slope of the roof, which is often too steep or misaligned with optimal sun exposure. This not only reduces energy efficiency but can also increase structural stress on the building.
Contrary to some rumors, the Nigerian government is not banning rooftop solar panels. Instead, it is emphasizing safety and quality. In its most recent advisory, the NBTE outlined several key recommendations:
Use Certified Installers: Work only with technicians trained through NBTE-accredited programs.
Check the Panel Angle: Optimal tilt is around 10° to ensure maximum energy capture.
Avoid Substandard Components: Use only quality-approved panels, wires, inverters, and batteries that meet SON or international standards.
Consider Ground-Mounted Systems: Where possible, install solar panels on the ground or on modular structures, which are safer and easier to maintain.
Conduct Structural Assessments: Ensure roofs can bear the weight of solar arrays without compromising safety.
Stay Informed: Engage with recognized industry bodies like REAN (Renewable Energy Association of Nigeria) and NBTE for the latest best practices and certified service providers.
Solar energy is a vital part of Nigeria’s future, especially in off-grid communities. However, the benefits must not come at the cost of safety. By following certified practices and government guidelines, Nigerians can embrace solar power without risking their homes and lives.
It’s also crucial to choose qualified professionals for your installation. Core-Power Engineers are trained and certified in solar inverter installation, ensuring that every system is installed to meet both safety and performance standards.
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