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Solar and backup power in Lagos
Lagos gets 4.59 peak sun hours a day on average. The dullest month is July at 3.82 hours, 24% less than April, the sunniest at 5.03. That makes it sunnier than 31% of the 43 cities we cover in Nigeria.
Sunshine in Lagos dips mainly in July, the one month clearly below the yearly average. A system sized for that month covers the rest of the year with room to spare. Across the year, Lagos gets 9% less sunshine than the average of the cities we cover in Nigeria.
What a home in Lagos needs
Three example homes, each covering a 12-hour daily outage with a lithium battery and solar panels to recharge it. Panels are 450 W. The month-with-least-sun figure is what keeps you covered all year.
| Home | Inverter | Battery | Panels, July | Panels, yearly average |
|---|---|---|---|---|
| Essentials 6 lights, 2 fans, a fridge, TV, Wi-Fi and phone charging | 1 kW | 2.6 kWh | 2 | 2 |
| Family home Essentials plus a freezer, more lights, a laptop, a desktop and a water pump | 3 kW | 7.4 kWh | 5 | 4 |
| With air conditioning The family home plus two small air conditioners for 6 hours a day | 5 kW | 14.9 kWh | 10 | 8 |
Your own appliances will differ. Put them into the calculator below, which already has Lagos's sunshine.
Size your own system in Lagos
Planning tips for Lagos
- Size panels for July, not for the yearly average. A system sized on the average falls short in the dullest weeks, which is when you most need it.
- Dust, heat and shade cut output. Keep panels clean, leave air space under them, and avoid anything that shades them between mid-morning and mid-afternoon.
- Ask installers for the inverter's continuous and surge ratings, the battery's usable capacity and chemistry, and the panels' total watts. Compare those numbers with your plan rather than the package name.
Guides for planning in Lagos
- Peak sun hours and your dullest month
- How many solar panels you need
- Lithium vs lead-acid batteries
- Questions to ask an installer
Nearby cities
- Abeokuta 78 km · 4.63 h
- Ibadan 117 km · 4.63 h
- Oyo 167 km · 4.63 h
- Ile-Ife 172 km · 4.58 h
- Osogbo 195 km · 4.58 h
- Akure 217 km · 4.72 h
Sunshine: NASA POWER climatology, ALLSKY_SFC_SW_DWN, monthly averages for 25-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2025), at 6.4541, 3.3947; retrieved 2026-11-09. Peak sun hours equal kWh of sunlight per square metre per day on flat ground; tilted panels usually collect a little more.