Nigeria
Solar in Borno State: sunlight, tariffs and what a system costs
A rooftop in Borno State gets about 4.7 peak sun hours a day, so every kilowatt of panels makes roughly 1,435 kWh a year. A 5 kW home system produces about 20 kWh on an average day, against roughly 18 kWh of daily demand.
Every figure below is recalculated for the audience you pick.
Peak sun hours
4.7 h/day
Daily average across the year
Yield per kW
1,435 kWh/yr
Delivered output, after 17% system losses
5 kW system output
20 kWh/day
7,176 kWh a year
Grid tariff (modelled)
₦209.50/kWh
YEDC Band A, cost-reflective
What a system costs in Borno State
Installed price estimates using today's median Nigerian hardware rates plus installation, and savings valued at your local tariff and what a generator costs to run. Estimates, not quotes.
Essentials
Lights, fans, TV, phones and a small fridge
₦2.9m
3 kW solar · 5 kWh battery · 3.5 kVA inverter
- Generates
- 359 kWh/month
- Avoided spend
- ₦83,435/month
- Pays back in
- 2.9 years
- Fuel avoided
- 201 L/yr
Family home
Full home minus air conditioning, with overnight backup
₦5.1m
5 kW solar · 10 kWh battery · 5 kVA inverter
- Generates
- 598 kWh/month
- Avoided spend
- ₦147,238/month
- Pays back in
- 2.9 years
- Fuel avoided
- 355 L/yr
Whole home
Air conditioning, boreholes and a home office
₦10.2m
10 kW solar · 20 kWh battery · 10 kVA inverter
- Generates
- 1,196 kWh/month
- Avoided spend
- ₦301,019/month
- Pays back in
- 2.8 years
- Fuel avoided
- 726 L/yr
What this system returns in Borno State
A four-bedroom home running fans, fridge, TV, pumps and light air conditioning. 5 kW solar, 10 kWh battery, 4.8 kW inverter — installed at about ₦4.2m. Solar costs ₦175 a unit over its life, and 81% of demand is met without the grid.
Year-one savings
₦1.1m
₦93,415 a month off the bill
Payback
4.0 yrs
Simple payback on installed cost
Return (IRR)
22%
Over a 20-year life
20-year savings
₦16.5m
Net present value ₦2.4m
Environmental benefit in Borno State
Diesel avoided
355 L/yr
About ₦639,361 of fuel
CO₂ avoided
3,643 kg/yr
Grid factor 0.5 kg per kWh
Generator hours cut
142 hrs/yr
At a typical 2.5 L an hour
Clean energy
6,458 kWh/yr
Used on site, not exported
Local government areas in Borno
Sizing the market rather than a single site? See the rooftop market data for Borno State.