Tools for going solar

Get expert guidance on system sizing, detect fakes, and find certified installers

Solar System Sizing Calculator

Enter all appliances you want to run on solar — we calculate the right panels, batteries, and inverter.

Quick-start — load a typical profile

Battery type

Tubular: uses 50% of capacity (DoD 50%). Cheaper upfront, needs replacement every 3–5 years.

System voltage

12V: small systems · 24V: typical home · 48V: large home or AC-heavy systems

Appliances to power

No appliances added yet — use a preset above or add manually

Generator vs Solar ROI

See how fast solar pays for itself compared to generator fuel costs

Generator Setup

8h/day × 30 days = 240h/month · 288 litres/month

At ₦1050/liter in Lagos

Monthly fuel

₦302,400

Annual fuel

₦3,628,800

10-year total

₦36,788,000

Solar System Alternative

₦2,000,000 – ₦3,000,000 installed

Price adjusted for Lagos · Lagos is cheapest (Alaba market hub)

6 panels + 6×200Ah tubular or 2×5kWh lithium

Growatt 3kVA or Felicity 3.5kVA hybrid

Solar Payback: 0.7 years

In Lagos, your 3kVA solar system pays for itself in 0.7 years by avoiding generator fuel costs of ₦3,628,800/year.

After payback, enjoy 11.3 more years of free electricity.

Get Quote on WhatsApp

Solar Benefits

  • ✓ No diesel smell or noise
  • ✓ Maintenance free (mostly)
  • ✓ 25+ year panel lifespan
  • ✓ Scalable (add more panels)
  • ✓ Cooling bonus (less heat from AC)

Generator Costs

  • ✗ ₦302,400/month fuel
  • ✗ Oil changes & filters
  • ✗ Engine rebuild (~₦200k every 5 years)
  • ✗ Noise pollution (80+ dB)
  • ✗ Rising diesel costs

Nigeria Solar Irradiance Map

Average peak sun hours per day by state — the key number used to size solar panels accurately. Click any state dot for details.

FCT
Sun hours:
< 4.3h
4.3h
4.6h
5.0h
5.5h
6.0h
6.5h+

FCT

Abuja · North Central

5.2h

Good

Plateau savanna. Abuja has clean air, strong harmattan, and good elevation.

Seasonal sun hours
Dry season (Oct – Mar)6.5h/day
Annual average5.2h/day
Rainy season (Apr – Sep)3.9h/day
What this means for your system

4×400W panels daily output

8,320Wh

at 5.2h avg

Solar grade

Very good

5.2h avg/day

Sizing tip for FCT

Abuja is one of the best solar cities in Nigeria. Strong harmattan + 600m elevation = top output.

Browse all states