Solar vs generator
Monthly cost, noise, maintenance and payback for Nigerian homes.
Our engineers' verdict
If you spend more than ₦15,000 a week on fuel, solar pays for itself in under three years and costs less per month on Pay Small Small from day one.
| Feature | Solar system | Petrol generator |
|---|---|---|
| Upfront cost (3-bed home) | ₦3.0m–₦4.5m | ₦450k–₦900k |
| Monthly running cost | ~₦0 (cleaning) | ₦80k–₦200k fuel + maintenance |
| Noise | Silent | 70–90 dB |
| Fumes | None | Carbon monoxide risk |
| Lifespan | Panels 25y, lithium 10y | 3–5 years |
| Payback | 14–30 months | Never |
Choose solar system if…
- You run the generator most evenings
- You want silence and no fumes
- You can pay monthly
Choose petrol generator if…
- You need very heavy loads occasionally (welding)
- You need power for a one-off event
Packages to consider
- 5kVA5.12kWh3.3kWp~10h backup₦3,631,000
or ₦158,279/month
Installed price, inc. hardware and installation
- 3.5kVA5.12kWh2.2kWp~10h backup₦3,007,000
or ₦131,078/month
Installed price, inc. hardware and installation
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FAQ
Should I sell my generator?
Keep it as a backup for the first rainy season, then decide.