Is a solar inverter system cheaper than running a generator in Nigeria?

Key Summary

Yes. With fuel (petrol) above ₦850/litre and diesel over ₦1,200/litre, a 3kVA to 5kVA lithium solar-inverter system pays for itself within 8 to 14 months compared to daily generator fueling, while delivering silent 24/7 power.

### Financial Analysis: Solar vs Fuel Generator in Nigeria Rising fuel costs have fundamentally altered energy economics for Nigerian households. #### Running a 3.5kVA Petrol Generator * **Fuel Consumption:** 15 litres per day running 8 hours = ₦13,000+ per day. * **Monthly Fuel Expense:** ~₦390,000 / month. * **Annual Fuel + Servicing/Oil:** ~₦4.8 Million / year. #### Installing a 5kVA Lithium Solar System * **Upfront Setup (5kVA Inverter + 5kWh Lithium Battery + 6 Solar Panels):** ~₦3.2M – ₦4.2M. * **Monthly Operating Cost:** Nearly ₦0 (occasional panel cleaning). * **Lifespan:** 8–10 years for Grade-A Lithium LiFePO4 batteries. > **Conclusion:** The solar setup completely recoups its initial capital investment before the end of Year 1, while eliminating noise, carbon monoxide hazards, and fueling hassles.