Ghana's mains does not just go off — it sags and spikes while it is on. That is what quietly destroys compressors, boards and motors, and a stabilizer is the cheapest insurance against it.
A generator is cheaper to buy and more expensive to live with. An inverter is the opposite. Here is how the real cost, noise, fuel and maintenance compare over five years.
Most UPS systems in Ghana fail early because they were sized by guesswork. Here is the method we use on every site survey, from listing your critical load to picking the right kVA rating.