As unreliable power supply and rising fuel costs continue to frustrate many Nigerians, solar energy is becoming an increasingly popular and smart alternative. However, installing a solar system isn’t as simple as buying panels and plugging them in mistakes can be expensive, dangerous, or leave you with a system that doesn’t work as expected.
Here are the top mistakes to avoid, and how to get your solar investment right:
1. Poor Panel Placement and Orientation
Mistake: Installing panels in shaded areas or facing the wrong direction.
Consequence: Reduced efficiency and poor energy output.
How to avoid:
- In Nigeria, panels should face due south and be tilted at 5°–15° (your local latitude).
- Avoid shade from trees/buildings.
- Use solar mapping tools or get a professional assessment.
2. Skipping a Roof Inspection
Mistake: Installing on a weak or old roof.
Consequence: Costly dismantling and reinstallation if roof repairs are needed later.
How to avoid:
- Have a professional inspect your roof’s structure and lifespan.
- Reinforce or replace the roof if necessary before installation.
3. Choosing the Wrong System Size
Mistake: Underestimating or overestimating your power needs.
Consequence: Too small, and you’ll still rely on your generator. Too large, and you’ll waste money.
How to avoid:
- Calculate your daily electricity usage using bills or online calculators (adjust for Nigerian appliances).
- Plan for future needs (e.g., adding air conditioners).
- Consult a certified solar installer for a tailored system.
4. Ignoring Local Regulations and Permits
Mistake: Not getting required approvals from local authorities or estate management.
Consequence: Fines, forced removal, or resale issues.
How to avoid:
- Check for local rules on rooftop panels and wiring standards.
- Get necessary permits from your estate, local government, or DisCo.
5. DIY or Poor-Quality Installation
Mistake: Attempting a DIY install without expertise or hiring unqualified installers.
Consequence: Safety hazards, voided warranties, or system failure.
How to avoid:
- Hire certified installers (look for CREN or NAPTIN certification).
- If DIY, strictly follow manufacturer instructions and have an electrician check your work.
6. Buying Low-Quality Equipment
Mistake: Opting for cheap, unreliable panels, inverters, or batteries.
Consequence: Frequent breakdowns, poor performance, or fire hazards.
How to avoid:
- Buy Tier 1 panels (e.g., Canadian Solar, JA Solar, Jinko).
- Choose trusted inverter brands (e.g., Victron, Growatt, Fronius).
- Prefer lithium-ion batteries for longevity and efficiency.
- Always buy from authorized dealers and insist on warranties.
7. Neglecting Maintenance and Monitoring
Mistake: Assuming solar systems are “set and forget.”
Consequence: Gradual performance loss due to dust, debris, or unnoticed faults.
How to avoid:
- Clean panels at least twice a year (more during harmattan).
- Use monitoring apps (e.g., SolarEdge, VictronConnect, Growatt ShinePhone).
- Schedule a professional check every 2–3 years.
Solar is one of the best investments for Nigerian homes and businesses, but only if done right. Avoid these mistakes by working with licensed professionals, using quality equipment, following local rules, and maintaining your system. That way, you’ll enjoy reliable, clean, and cost-effective power for years to come.
