Solar Installation Cost in Lagos: 2026 Price Guide

Understanding Solar Costs in Lagos

Solar power is no longer a luxury—it's becoming a practical necessity for Lagos residents tired of unreliable NEPA power and expensive generator fuel. But what does it actually cost to go solar in 2026?

This comprehensive price guide breaks down every component, installation cost, and hidden expense so you can budget accurately.

Complete System Cost Breakdown

1. Solar Panels

Cost: ₦250-₦400 per watt

Panel Types & Prices:

• Polycrystalline (250-300W): ₦60,000-₦75,000 per panel
• Monocrystalline (300-400W): ₦90,000-₦140,000 per panel
• Bifacial (400-500W): ₦150,000-₦200,000 per panel

Popular Brands in Lagos:

• Canadian Solar: ₦85,000-₦120,000/panel
• Jinko Solar: ₦80,000-₦115,000/panel
• Longi: ₦90,000-₦130,000/panel
• JA Solar: ₦75,000-₦110,000/panel

2. Inverters

Cost: ₦150,000-₦800,000 depending on capacity

Inverter Types:

• String Inverter (1-5kW): ₦150,000-₦400,000
• Hybrid Inverter (3-10kW): ₦350,000-₦800,000
• Micro-inverters: ₦80,000-₦120,000 per panel

Top Brands:

• Felicity Solar: ₦180,000-₦500,000
• Luminous: ₦200,000-₦450,000
• SMA: ₦300,000-₦700,000
• Growatt: ₦180,000-₦400,000

3. Batteries

Cost: ₦80,000-₦300,000 per battery

Battery Types:

• Lead-Acid Tubular (200-250Ah): ₦80,000-₦120,000 each
• Gel Batteries (200Ah): ₦150,000-₦200,000 each
• Lithium (LiFePO4) (100-200Ah): ₦250,000-₦600,000 each

Popular Brands:

• Trojan: ₦110,000-₦150,000 per battery
• Luminous: ₦85,000-₦130,000 per battery
• Genus: ₦90,000-₦140,000 per battery
• Pylontech (Lithium): ₦400,000-₦600,000 per battery

4. Charge Controllers

Cost: ₦40,000-₦150,000

• PWM Controller (20-60A): ₦40,000-₦80,000
• MPPT Controller (30-100A): ₦80,000-₦150,000

5. Mounting & Accessories

Cost: ₦80,000-₦200,000

• Roof mounting rails: ₦30,000-₦80,000
• Ground mounting structure: ₦100,000-₦200,000
• Cables & connectors: ₦20,000-₦50,000
• Circuit breakers & protection: ₦15,000-₦40,000
• Monitoring system: ₦25,000-₦60,000

6. Installation Labor

Cost: ₦100,000-₦300,000

• Basic installation (1-2kW): ₦100,000-₦150,000
• Standard installation (3-5kW): ₦150,000-₦250,000
• Complex installation (5kW+): ₦250,000-₦400,000

Complete System Pricing: Real Examples

Small System (1kW) - Studio/1-Bedroom

Powers: Lights, fans, TV, phone charging, laptop

• 4 × 250W panels: ₦280,000
• 1kW inverter: ₦180,000
• 2 × 200Ah batteries: ₦180,000
• 30A MPPT controller: ₦80,000
• Mounting & accessories: ₦80,000
• Installation: ₦120,000

Total: ₦920,000

Medium System (2kW) - 2-3 Bedroom

Powers: All lights, fans, TV, fridge, laptop, phone charging

• 7 × 300W panels: ₦630,000
• 2kW hybrid inverter: ₦350,000
• 4 × 200Ah batteries: ₦360,000
• 60A MPPT controller: ₦120,000
• Mounting & accessories: ₦150,000
• Installation: ₦180,000

Total: ₦1,790,000

Large System (5kW) - 3-4 Bedroom + AC

Powers: Entire home including AC units, washing machine, microwave

• 15 × 350W panels: ₦1,575,000
• 5kW hybrid inverter: ₦650,000
• 8 × 200Ah batteries: ₦720,000
• 100A MPPT controller: ₦150,000
• Mounting & accessories: ₦250,000
• Installation: ₦300,000

Total: ₦3,645,000

Hidden Costs to Consider

1. Permits & Approvals

Cost: ₦20,000-₦100,000

• Building permit (if required): ₦30,000-₦80,000
• Electrical inspection: ₦15,000-₦40,000

2. Structural Reinforcement

Cost: ₦50,000-₦300,000

• Roof strengthening (if needed): ₦100,000-₦300,000
• Ground foundation for ground-mount: ₦50,000-₦150,000

3. Maintenance (Annual)

Cost: ₦30,000-₦80,000/year

• Panel cleaning: ₦10,000-₦20,000
• Battery water topping: ₦5,000-₦10,000
• System inspection: ₦15,000-₦30,000
• Minor repairs: ₦10,000-₦20,000

4. Battery Replacement

Cost: Every 3-5 years (lead-acid) or 10+ years (lithium)

• Lead-acid replacement: ₦300,000-₦600,000
• Lithium replacement: ₦800,000-₦1,500,000 (but lasts 2-3x longer)

Return on Investment (ROI) Analysis

Example: 2kW System (₦1,790,000)

Monthly Savings:

• NEPA bill reduction: ₦20,000/month
• Generator fuel savings: ₦15,000/month
• Total monthly savings: ₦35,000

Payback Period: ₦1,790,000 ÷ ₦35,000 = 51 months (4.3 years)

10-Year Savings:

• Total savings: ₦35,000 × 120 months = ₦4,200,000
• Minus initial cost: -₦1,790,000
• Minus battery replacement (Year 5): -₦360,000
• Minus maintenance: -₦500,000
• Net 10-year profit: ₦1,550,000

Financing Options

1. Bank Loans

• Interest rates: 18-25% per annum
• Tenure: 1-5 years
• Example: ₦1,800,000 loan at 20% for 3 years = ₦66,000/month

2. Installer Payment Plans

• Down payment: 30-50% upfront
• Balance: 6-12 monthly installments
• Interest: 0-10% (varies by installer)

3. Solar Leasing (Emerging)

• No upfront cost
• Monthly lease payment: ₦40,000-₦80,000
• Maintenance included
• Option to buy after 5 years

How to Get the Best Price

1. Get multiple quotes: Compare at least 3-5 installers
2. Buy during off-peak: Prices drop during rainy season (May-October)
3. Negotiate bulk discounts: Team up with neighbors for group purchase
4. Check for incentives: Some states offer solar rebates
5. Avoid over-sizing: Don't buy more capacity than you need
6. Choose reputable brands: Cheap components fail faster

Red Flags: Avoid These Installers

• ❌ Prices 30%+ below market average (likely fake/refurbished components)
• ❌ No written warranty or contract
• ❌ Pressure to pay 100% upfront
• ❌ Can't provide references or past installations
• ❌ No after-sales support or maintenance plan
• ❌ Vague component specifications ("German panels", "American inverter")

Get Transparent, Competitive Quotes

Don't overpay for solar. Our free quote service connects you with verified Lagos installers who provide:

• Detailed, itemized pricing
• Brand-specific component lists
• Written warranties and contracts
• Financing options
• Free site assessments

Ready to compare prices? Get your free custom quote in just 2 minutes.