PureWatts AI

    Solar energy assistant

    📍 Home

    Hi there! 👋

    I'm your PureWatts AI assistant. Ask me anything about solar energy, system sizing, or how to use the platform.

    Skip to content

    Nigeria

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

    A rooftop in Kogi State gets about 4.4 peak sun hours a day, so every kilowatt of panels makes roughly 1,341 kWh a year. A 5 kW home system produces about 18 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

    4.4 h/day

    Daily average across the year

    Yield per kW

    1,341 kWh/yr

    Delivered output, after 17% system losses

    5 kW system output

    18 kWh/day

    6,706 kWh a year

    Grid tariff (modelled)

    ₦209.50/kWh

    AEDC Band A, cost-reflective

    What a system costs in Kogi 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
    335 kWh/month
    Avoided spend
    ₦77,958/month
    Pays back in
    3.1 years
    Fuel avoided
    188 L/yr

    Family home

    Full home minus air conditioning, with overnight backup

    ₦5.1m

    5 kW solar · 10 kWh battery · 5 kVA inverter

    Generates
    559 kWh/month
    Avoided spend
    ₦137,573/month
    Pays back in
    3.1 years
    Fuel avoided
    332 L/yr

    Whole home

    Air conditioning, boreholes and a home office

    ₦10.2m

    10 kW solar · 20 kWh battery · 10 kVA inverter

    Generates
    1,117 kWh/month
    Avoided spend
    ₦281,260/month
    Pays back in
    3.0 years
    Fuel avoided
    679 L/yr
    Size a system for your own bill

    What this system returns in Kogi 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 ₦176 a unit over its life, and 81% of demand is met without the grid.

    Year-one savings

    ₦1.1m

    ₦92,562 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

    ₦16.2m

    Net present value ₦2.3m

    Environmental benefit in Kogi State

    Diesel avoided

    332 L/yr

    About ₦597,392 of fuel

    CO₂ avoided

    3,404 kg/yr

    Grid factor 0.5 kg per kWh

    Generator hours cut

    133 hrs/yr

    At a typical 2.5 L an hour

    Clean energy

    6,034 kWh/yr

    Used on site, not exported

    Local government areas in Kogi

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

    Frequently asked questions