What affects solar installation cost in Nigeria?
Quotes for the same house can differ wildly. Prices also move with the dollar rate, so a number printed in an article goes out of date quickly. Instead of quoting prices, this guide explains what pushes the cost up or down and how to compare quotes line by line.
What drives the cost
- Inverter size and type. A hybrid inverter with a solar charger costs more than a basic one.
- Battery capacity and chemistry. The battery is often the largest cost, and lithium costs more upfront than lead-acid.
- Number and quality of solar panels.
- Mounting frames, cabling, breakers, isolators, surge protection and earthing.
- Installation labour, roof work and distance from the installer's base.
- The exchange rate, because most equipment is imported.
- Warranty and after-sales support. A seller who will still answer in two years has costs built into the price.
What an honest quote should list
| Line | What to look for |
|---|---|
| Inverter | Brand, model, continuous watts, surge rating, system voltage, warranty. |
| Batteries | Type, brand, capacity in kWh or Ah, number of units, warranty and what it covers. |
| Solar panels | Brand, watts per panel, number of panels, total kWp, warranty. |
| Charge controller | If separate from the inverter: type, current and maximum input voltage. |
| Protection and wiring | Breakers, isolators, surge protection, earthing, cable sizes. |
| Mounting | Frames, roof fixings, wind rating. |
| Installation and commissioning | Labour, testing, how long it takes, and who does it. |
| Support | Warranty terms, service visits and a contact number. |
How to compare quotes fairly
- Give every installer the same list of appliances and hours of backup, so you compare like with like.
- Compare battery capacity in kWh and panel capacity in kWp, not just the number of units.
- Check that every quote's inverter can really deliver the watts you need.
- Ask each installer for references or photos of finished jobs, and call a past customer.
- Read the warranty text. Ask who pays for shipping and who repairs.
- Be careful with a quote far below the others. Cheap often means a smaller battery, fewer panels or weak protection.
Use our solar calculator to get your own estimate first, then check that each quote is in the same range or that the installer explains why not.
Paying safely
- Avoid paying everything upfront. A deposit for equipment with the balance on completion is common.
- Pay into a registered business account and keep receipts and the signed quote.
- Check the company's registration and ask for an address you can visit.
- If you use a payment plan, read the full repayment amount and what happens if you miss payments.
Comparing quotes
- Give every installer the same appliance list and backup hours.
- Ask for an itemised quote with brands, models and capacities.
- Compare battery kWh and panel kWp, not just prices.
- Check the inverter's real continuous watts and surge rating.
- Read the warranty and ask who repairs it and where.
- Pay by traceable transfer and keep the signed quote.
Listed solar installers and sellers
Businesses are listed free. Some were added from public business directories and some applied themselves; businesses can ask for removal at any time. UpNepa does not verify, recommend or guarantee any business here. Businesses marked Featured pay for extra visibility. Ask for references and get everything in writing before you pay.
No dealers are listed here yet. Are you a solar installer or seller? List your business for free.
Frequently asked questions
How much does a solar system cost in Nigeria?
It depends mainly on battery and inverter size, and it changes with the exchange rate, so any printed price soon goes out of date. Use the calculator to size your system, then get several itemised quotes.
Is solar cheaper than a generator?
Solar costs more at the start and then saves fuel and servicing. Whether it pays off depends on how much you spend on fuel now and how long you will use the system. Compare the total cost over several years.
Why are quotes so different?
Different battery sizes and types, panel counts, inverter quality, protection equipment and warranty. Ask for itemised quotes so you can see exactly what you would be getting.
Should I pay a deposit?
A part payment is normal, but be wary of paying the full amount before the equipment is delivered and installed. Pay by traceable bank transfer and keep a written agreement.