Learn solar

Written and checked by COREN-registered engineers at Crestgreen Energy. No jargon, real Nigerian prices.

Sizing

What size inverter do I need? A Nigerian home guide
Work out your inverter size in kVA from the appliances you actually run, including fridges, pumps and ACs.
Engr. Tunde Adeyemi · 7 min read
How many solar panels do I need?
Panel count from your daily energy use and your region's peak sun hours.
Engr. Amaka Obi · 5 min read

Batteries

Lithium vs tubular batteries: which lasts longer in Nigeria?
Lithium (LiFePO4) costs more upfront but lasts 3–5× longer. Here's the real cost per kWh over 10 years.
Engr. Amaka Obi · 6 min read

Costs and savings

Installation

How a Betapawa solar installation works, step by step
From site survey to handover pack: what happens on install day and how long it takes.
Musa Danjuma · 4 min read

Pay Small Small

Pay Small Small: how solar on instalments works
Down payment, tenors, what you need to apply and what happens if you miss a payment.
Engr. Tunde Adeyemi · 5 min read

Maintenance

Solar maintenance checklist for the dry and rainy seasons
A quarterly checklist that keeps output high through harmattan dust and rainy-season storms.
Musa Danjuma · 4 min read