When IPS asked about the possibility of solar panels, Pérez said that “in addition to being very difficult to find outside Havana, they usually come without batteries, and if they are brought in, they cost half a million pesos (about 4200 dollars at the official exchange rate). ”On average, the cost for a standard residential installation may range from $6,000 to $12,000, depending on the size and quality of the equipment you choose. Additionally, financing options might be available, offering installment plans to distribute costs over time. While the upfront costs may. Jan 24, Find the cost of solar panels in Havana, IL. ” — Félix Morffi Rodríguez shelled out 850 dollars a few months ago for a 2500 watt (W) gasoline-powered generator. Marileydis Pérez, a homemaker in. Assuming that installation and auxiliary equipment costs can be reduced to around $1 per watt, then a 5 kW system in upcoming years may cost as little as $10,000, with a payback period of about 10 years. How much solar panels. Explore estimated solar panel electricity production for various panel sizes in Havana. This is a great starting point, but for a more detailed analysis, visit our main site at sizesolar. The average salary in Cuba is 4,648 pesos (approximately $38.