Current prices for new photovoltaic panels in Havana range from $0. 55 per watt, depending on: Why the price drop? Three main factors: While panel prices grab headlines, remember: Pro Tip: Always verify panel certifications. Project leader Felix Morfis, also a representative of Cubasolar – a non-governmental organization promoting renewable energy in Cuba since 1994 – criticizes the high prices of solar panels and bureaucratic hurdles in obtaining loans to purchase them. “It seems the government has no real interest in. On average, Cuba receives 2847 hours of sunshine annually, about 7. 4 kWh/m 2 per day which is equivalent to 1971 kWh/m 2 / year. 2 The kWh/kWp value for Cuba, based on the solar radiation, is approximately 1971. Community Solar Projects: Participating in or creating community solar projects can spread costs across multiple participants, making solar energy accessible to more Cuban homeowners. Once installed, maintaining your solar panels ensures they continue to operate efficiently and remain durable over. The company produces high-efficiency monocrystalline and polycrystalline solar panels, inverters, lithium, AGM and gel batteries, installation systems, and MPPT and PWM charge controllers, with power ranges from 5W to more than 650W per panel. Should Cuba have a photovoltaic system? The first of these two proposals seems to be the most attractive for Cubans with the means to do so.