Ключевые слова: alternative, brazil, clean, climate, contrast, conversion, corrugated, eco, ecofriendly, efficiency, efficient, electricity, energy, environment, environmental, future, generation, green, grid, harness, innovation, installation, light, metal, modern, panel, panels, photovoltaic, photovoltaics, power, renewable, resource, rio de janeiro, roof, rooftop, sheet, solar, solution, source, structure, sun, sunlight, sunny, sustainability, sustainable, system, technology,