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    Nigeria

    Solar in Adamawa State: sunlight, tariffs and what a system costs

    A rooftop in Adamawa State gets about 4.7 peak sun hours a day, so every kilowatt of panels makes roughly 1,418 kWh a year. A 5 kW home system produces about 19 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

    1,418 kWh/yr

    Delivered output, after 17% system losses

    5 kW system output

    19 kWh/day

    7,089 kWh a year

    Grid tariff (modelled)

    ₦209.50/kWh

    YEDC Band A, cost-reflective

    What a system costs in Adamawa 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
    354 kWh/month
    Avoided spend
    ₦82,421/month
    Pays back in
    2.9 years
    Fuel avoided
    199 L/yr

    Family home

    Full home minus air conditioning, with overnight backup

    ₦5.1m

    5 kW solar · 10 kWh battery · 5 kVA inverter

    Generates
    591 kWh/month
    Avoided spend
    ₦145,450/month
    Pays back in
    2.9 years
    Fuel avoided
    351 L/yr

    Whole home

    Air conditioning, boreholes and a home office

    ₦10.2m

    10 kW solar · 20 kWh battery · 10 kVA inverter

    Generates
    1,181 kWh/month
    Avoided spend
    ₦297,363/month
    Pays back in
    2.9 years
    Fuel avoided
    717 L/yr
    Size a system for your own bill

    What this system returns in Adamawa 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

    ₦93,112 a month off the bill

    Payback

    5.0 yrs

    Simple payback on installed cost

    Return (IRR)

    22%

    Over a 20-year life

    20-year savings

    ₦16.4m

    Net present value ₦2.3m

    Environmental benefit in Adamawa State

    Diesel avoided

    351 L/yr

    About ₦631,596 of fuel

    CO₂ avoided

    3,599 kg/yr

    Grid factor 0.5 kg per kWh

    Generator hours cut

    140 hrs/yr

    At a typical 2.5 L an hour

    Clean energy

    6,380 kWh/yr

    Used on site, not exported

    Local government areas in Adamawa

    Sizing the market rather than a single site? See the rooftop market data for Adamawa State.

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