Solar streetlights, as a green and energy-saving lighting solution, have been widely used in various regions around the world, demonstrating unique advantages in each area. They effectively address local lighting needs while making positive contributions to environmental protection.

In Kenya, Africa, the application of solar streetlights in rural areas has achieved remarkable results. In most rural areas of Kenya, insufficient power grid coverage hinders the adoption of traditional lighting methods, severely restricting residents' nighttime lives and travel. The introduction of solar streetlights has completely changed this situation. For example, in some villages in Kisumu County, solar streetlights have been installed on main roads, near schools, and in community centers. These streetlights utilize Kenya's abundant solar resources, collecting and storing energy during the day through high-efficiency solar panels to provide stable lighting for the villages at night. Compared to traditional fuel-fired lighting equipment, solar streetlights not only avoid fuel consumption and pollution emissions but also significantly reduce residents' lighting costs. According to local residents, since the installation of solar streetlights, children can travel more safely at night, community security has significantly improved, and villagers are able to engage in more social and economic activities at night, promoting rural development and prosperity.

In India, a country in Asia, solar streetlights play a vital role in urban and rural infrastructure development. As a populous nation, India faces enormous energy demands while simultaneously confronting the dual challenges of environmental pollution and energy shortages. Solar streetlights have been widely adopted in renovation projects in older communities in New Delhi. These streetlights are equipped with intelligent sensing systems that automatically adjust brightness based on ambient light and pedestrian traffic, achieving a perfect balance between energy conservation and lighting effectiveness. The installation of solar streetlights is even more prevalent in rural areas. For example, in rural Uttar Pradesh, solar streetlights have solved the problem of unstable power grid supply, providing reliable nighttime lighting for villagers. Furthermore, the installation process for solar streetlights is relatively simple, requiring no complex wiring, significantly shortening the construction period and reducing costs, making them ideally suited to the vast and dispersed rural landscape of India. By using solar streetlights, India has not only reduced its reliance on traditional electricity and lowered carbon emissions but also improved urban and rural infrastructure, enhancing the quality of life for residents.

In the Netherlands, a European country, solar streetlights are closely integrated with smart city development, showcasing a high degree of intelligence and innovation. The Netherlands has long been committed to the development and utilization of sustainable energy. Solar streetlights, as part of this green energy application, are ubiquitous in Dutch city streets, parks, and bike paths. For example, in Amsterdam, solar streetlights are equipped with advanced Internet of Things (IoT) technology, enabling remote monitoring and intelligent management. Managers can monitor the real-time operating status of each streetlight via mobile phone or computer, including power consumption, light intensity, and fault information, and make remote control and adjustments based on actual conditions. Furthermore, these solar streetlights integrate environmental monitoring functions, collecting data on air quality, noise levels, and other metrics, providing strong support for urban environmental management. The application of solar streetlights not only provides a reliable energy guarantee for urban lighting in the Netherlands but also provides rich data resources for smart city construction, promoting the intelligent development of cities.