Go Solar. Stop Paying for Generator Fuel.

Information You Need Before Requesting Quotes

Before contacting a single installer, gather the following: your average monthly DisCo electricity bill (the kWh consumed, not just the Naira amount — this is on the back of your bill); a list of every appliance you need the solar system to power and how many hours per day each runs; how many hours of backup power you need (overnight only, 24-hour off-grid, or just daytime solar with minimal battery?); whether you want an off-grid, grid-tied, or hybrid system; your total available budget; your roof type — flat reinforced concrete, pitched zinc/iron, asbestos cement, or factory roof — as this affects mounting costs significantly; and your state and local government area, since sun hours vary from approximately 4.5 peak sun hours per day in Lagos to 6.5 hours per day in Kano, which directly affects how many panels you need for the same energy output. Having this information ready before speaking to installers puts you in control of the conversation and allows you to identify immediately when a proposed system is undersized, oversized, or incorrectly specified for your situation.

The Anatomy of a Professional Solar Quote

A quote from a serious, professionally-run Nigerian solar installer is a document, not a number. It should contain: a load analysis showing the installer has calculated your actual daily kWh consumption from your appliance list or DisCo bill; a system design narrative explaining why the proposed system size, battery capacity, and inverter rating are appropriate for your specific load; an equipment list with brand names, model numbers, and links or references to manufacturer datasheets; a performance estimate showing the expected daily kWh generation based on your location's peak sun hours and the proposed panel configuration; a basic financial analysis showing estimated monthly savings, annual savings, and payback period at current fuel prices; clear warranty terms including the specific coverage period for panels, inverter, and batteries from the respective manufacturers, plus the installer's own workmanship guarantee; a project timeline from deposit to commissioning; a payment milestone schedule linked to deliverables; and a post-installation support commitment including contact details for warranty claims. Receiving a quote that contains most of these elements is a strong signal that you are dealing with a professional operator who will still be reachable in three years when you need warranty support.

Popular Solar System Sizes and What They Power

Understanding what different system sizes are designed for helps you immediately identify whether a proposed system is appropriate for your needs. A 3 KVA off-grid system with 4 tubular batteries powers a "no-AC" household — fans, LED lights, a refrigerator, TV, and phone charging — for 8–10 hours of backup. In Lagos market pricing, this costs ₦1.5–₦2.2 million. A 5 KVA hybrid system with 4 lithium batteries can run one 1.5HP inverter split-unit air conditioner (the efficient kind — not a window or fixed-speed unit), a full complement of lights and fans, a fridge, and miscellaneous electronics for 8–10 hours overnight. This costs ₦2.5–₦4 million. A 5 KVA hybrid with a larger 8-unit lithium battery bank extends this to approximately 16–20 hours of backup, or accommodates a second AC — cost ₦3.5–₦5 million. A 10 KVA commercial installation for a small office, pharmacy, or retail space runs ₦7–₦12 million depending on battery size and panel count. A 20 KVA medium business system runs ₦15–₦25 million. These ranges assume Tier-1 panels, reputable inverter brands, and professional installation.

Understanding Variables That Change the Price

Several factors can legitimately move a solar quote significantly in either direction. Panel efficiency: two panels of the same physical dimensions can have different wattage ratings — a cheap 370W panel and a premium 450W panel from LONGi occupy the same roof space, but the 450W panel produces 21.6% more power per square metre over its lifetime. For rooftops with limited area, high-efficiency panels are worth the premium. Battery chemistry is the largest single variable — a quote with flooded lead-acid batteries at ₦2.8 million and an equivalent quote with lithium LiFePO4 batteries at ₦4.2 million represent a different total cost of ownership calculation, not simply a price difference. Inverter quality ranges from budget-tier Chinese brands with limited Nigerian support to Victron Energy, Deye, and Growatt — all of which have authorised service representatives in Lagos and Abuja. Mounting system: ground-mount solar arrays cost significantly more than roof-mount to install but are easier to maintain and can be oriented for maximum yield; roof-mount on pitched iron roofs is cheapest. Cable quality and length: runs of 20+ metres from roof to battery bank require heavier-gauge cable (4–6mm²) to minimise resistance losses — a short-sighted installer who uses under-spec cable saves ₦20,000 on materials and costs you 10% of system output for the next 25 years.

Solar Financing Options in Nigeria 2025

The assumption that solar requires full upfront payment in cash is increasingly outdated in Nigeria. Lease-to-own (Pay As You Go) solar is offered by several companies operating in Nigeria: Rensource Energy, Auxano Solar, ENGIE Energy Access Nigeria, and Zola Electric all have programmes where a small upfront deposit secures installation and monthly payments replace your fuel bill. For outright purchase with financing, Sterling Bank's EcoPlus loan product and FirstBank's Green Loan product are specifically designed for renewable energy investments by retail customers. Some state government programmes have offered solar subsidy windows — Kaduna, Kebbi, and Bauchi states have run such programmes, and it is worth checking with your state's energy ministry for current availability. For businesses and landlords, the corporate solar model — where an energy company installs, owns, and operates the system and charges tenants a service fee — has become popular in Lagos estates such as Lekki Phase 1 and Magodo, eliminating the capital requirement entirely while providing 24/7 power to tenants.

The Most Common Solar Scams in Nigeria

As the Nigerian solar market has grown, so have the opportunities for misrepresentation. The most common scams to watch for: "Solar panels from Germany" — there is no significant consumer solar panel manufacturing in Germany or Europe. All major solar panels are manufactured in China, Malaysia, and Southeast Asia, including Tier-1 brands like LONGi, Jinko, and JA Solar. Any installer claiming European-manufactured panels is either misinformed or deliberately misleading you. Secondhand panels sold as new — this was prevalent when solar panels were removed from decommissioned street lighting projects and repackaged. Always demand serial numbers and verify them on the manufacturer's warranty database. Batteries misrepresented as higher capacity than their actual rating — 100Ah batteries labelled 200Ah are common. Bring a battery tester or request the installer demonstrate capacity testing before accepting delivery. Inverter output versus input rating confusion — some inverters are rated at 5 KVA input but only 3 KVA continuous output: a critical distinction if you plan to run heavy loads. Verify the continuous output rating from the manufacturer's datasheet, not the installer's verbal description.

After Installation: Performance Monitoring

A solar system installed without monitoring is flying blind. All reputable hybrid inverters sold in Nigeria come with monitoring capability: Growatt inverters use the ShinePhone / ShineServer app, Deye uses SolarmanPV, and Victron uses VictronConnect and the VRM portal. These apps show real-time solar generation, battery state of charge, grid consumption, and system alarms. After installation, monitor your system's daily generation for the first 30 days and compare it to the performance estimate in your quote. If actual generation is consistently more than 20% below the quoted estimate, investigate: the most common causes are partial shading from a tree or structure that was not accounted for in the design, panel orientation errors, loose string connections, or panels covered in harmattan dust (northern Nigeria) or red laterite dust (south). Annual panel cleaning is recommended — quarterly in dusty northern regions, semi-annually in the wetter south. Dirty panels in Kano or Abuja can lose 15–25% of output during harmattan season.

Understanding Solar Warranties in the Nigerian Market

Warranty coverage in the Nigerian solar market is more nuanced than installers typically explain. Panel warranties have two components: the product warranty (typically 10–12 years, covering manufacturing defects) and the performance warranty (typically 25 years, guaranteeing the panel will produce at least 80% of its rated output after 25 years). These warranties are from the manufacturer, not the installer — which means if your installer closes down, the manufacturer warranty is still valid if you have the panels' serial numbers and purchase documentation. Inverter warranties are typically 3–5 years from manufacturers like Growatt and Deye, with authorised repair centres in Lagos and Abuja. Lithium battery warranties range from 5 to 10 years depending on brand and chemistry, often specifying a minimum number of cycles. Lead-acid tubular batteries carry 1–3 year warranties. The installer's own workmanship warranty — covering their labour quality — is separately typically 1–2 years. Get the serial numbers of every component installed on the day of installation and photograph them. Without serial numbers, manufacturer warranty claims become nearly impossible to pursue.

Making the Final Decision

After collecting at least three fully itemised, written quotes, compare them on a component-for-component basis. Create a simple spreadsheet listing each component category — panels, inverter, batteries, mounting, cabling, protection devices — and fill in what each installer has proposed. Calculate the price per kWh of storage capacity (total quote price divided by total battery kWh) to compare battery value across quotes. Verify the warranty terms for each proposed component manufacturer. Check each installer's reviews on Google Maps and request references from two recent customers in your area. The best quote is rarely the cheapest: it is the one that specifies appropriate components, from verifiable brands, with clear warranty terms, from an installer whose previous work you have seen or whose references you have spoken to. The ₦200,000 you save on a cheap quote is trivially small compared to the cost of a system that underperforms for 25 years or an installer who is unreachable when a component fails in year two.

Use Steady.ng's free solar quote request service to connect with verified installers in your state. All installers on our platform are screened for active business registration, verifiable previous installations, and customer references. Submitting your details takes under 3 minutes, and you will receive responses within 2 business hours — allowing you to compare real quotes from professionals who have been vetted rather than trusting cold approaches from unverified sources.