Ключевые слова: alternative, cell, clean, climate, conversion, convert, eco, ecologic, ecological, ecology, economy, electric, electrical, electricity, energy, generate, generation, generator, green, grid, heat, heater, home, house, innovation, nature, panel, photoelectric, photovoltaic, power, rating, renewable, residency, roof, solar, sun, sunbeam, sunlight, sustainable, system, technology,