Marseille ranks among France's sunniest cities with an average yield of 1400-1500 kWh/kWp/year. A 3 kWp residential installation generates 4200-4500 kWh per year, more than enough to cover an entire household's needs and generate surplus for resale. . Thinking about switching to solar but worried about costs? Let's break it down like a Parisian baker explaining croissant layers. But why such variatio What Determines the. . Marseille, France (latitude 43. 3547) is an excellent location for solar photovoltaic (PV) power generation due to its favorable seasonal average daily outputs per kW of installed solar panels: 7. . Marseille and the Provence-Alpes-Côte d'Azur region benefit from the best sunshine in mainland France. With over 2,800 hours of annual sunshine and exceptional irradiation, the Phocaean city offers ideal conditions for quickly achieving profitability with a photovoltaic installation. With the constant rise in electricity costs and the decreasing prices of solar installations, Marseille residents have an attractive opportunity to transform their homes into. . Installing solar panels on your roof represents a financially sound investment. What's more, you have the option of choosing a energy self-consumption system that you produce, a particularly. .