Solar Streetlights in Newly Developed Areas on the Outskirts of Latin-American-Cities: Application Scenarios of Hybrid Power Supply
Changsha Kototerk Tech Co, Ltd Rainer Chen
Urbanization in Latin-American-Cities is accelerating, with many outskirts of cities undergoing rapid new development. These new developments have an increasing demand for infrastructure, with street lighting being a key component. In these areas, the application of a hybrid power supply model combining solar streetlights and grid power offers an innovative solution that balances energy conservation, environmental friendliness, power reliability, and cost-effectiveness. This model fully utilizes the advantages of solar energy while compensating for its shortcomings in extreme weather or prolonged periods of overcast or rainy conditions, ensuring continuous lighting.
1. Lighting Needs and Challenges in Newly Developed Areas on the Outskirts of Latin-American-Cities
Rapidly Growing Lighting Demand: With population influx and infrastructure construction, the demand for street lighting in newly developed areas is rapidly increasing.
High Grid Connection Costs: The grid infrastructure in newly developed areas may be inadequate, resulting in high costs for laying cables and connecting to the grid.
Power Supply Stability Issues: The power grid in some parts of Latin America may experience stability issues, with power outages occurring frequently, affecting the continuity of lighting.
Energy conservation and environmental protection pressures: Urban development needs to balance sustainability and reduce carbon emissions and energy consumption.
2. Advantages of hybrid power supply mode
The hybrid power supply mode of solar streetlights combines the advantages of solar energy and mains power, effectively compensating for their respective shortcomings:
High reliability: Under normal circumstances, it is powered by solar energy. When solar power generation is insufficient (such as continuous rainy days) or the battery power is too low, it automatically switches to mains power to ensure uninterrupted lighting [1].
Energy conservation and environmental protection: It maximizes the use of clean solar energy, reduces dependence on traditional electricity, and reduces carbon emissions and operating costs.
Reduced initial investment: Compared with pure mains lighting, it can reduce some cable laying and transformer capacity requirements. Compared with pure solar lighting, it can appropriately reduce battery capacity, thereby reducing initial investment.
Flexibility and adaptability: It is suitable for areas with general grid conditions but high requirements for lighting continuity. 3. Application Scenarios and Technical Solutions of Hybrid Power Supply Mode
3.1 Core Technology Principles
Hybrid power supply solar street light systems typically consist of solar panels, energy storage batteries, LED lights, solar controllers, and mains power interfaces. The intelligent controller is the core component, responsible for monitoring the power generation of the solar panels, battery power, and mains power supply, and automatically managing energy and switching power supply modes according to preset strategies. For example, when the battery power is below a set threshold, the controller will automatically draw power from the mains to charge the battery or directly power the lights [2].
3.2 Typical Application Scenarios
Urban Main Road Extensions: Main roads connecting the city center and newly developed areas have high traffic volume and require high continuity of lighting. Hybrid power supply mode can ensure uninterrupted nighttime lighting and improve traffic safety.
Commercial Streets and Public Squares: Commercial centers and public activity areas in newly developed areas have high nighttime pedestrian traffic. Lighting is not only a functional requirement but also crucial for enhancing the commercial atmosphere and public security. Hybrid power supply mode can provide stable and reliable lighting. Residential roads: To provide residents with a safe and comfortable nighttime environment, the hybrid power supply mode can avoid lighting interruptions due to power outages and improve the quality of life.
Industrial park perimeter roads: Industrial parks have high requirements for power supply reliability. The hybrid power supply mode can serve as a backup lighting solution for perimeter roads, in line with the security needs within the park.
3.3 Technology Selection and Optimization
High-efficiency solar panels: High-conversion-efficiency monocrystalline silicon solar panels are selected to maximize solar energy utilization.
Lithium iron phosphate batteries: Long-life, high-safety, and wide-temperature-range lithium iron phosphate (LiFePO4) batteries are selected as energy storage units [3].
Intelligent controller: It has MPPT function, a complete protection mechanism, and intelligent switching logic. It can support remote monitoring and management, and realize fault diagnosis and operation data analysis [4].
LED lamps: High-efficiency and long-life LED lamps are selected, and they have intelligent dimming function to adjust the brightness according to needs, further saving energy. Corrosion and Waterproofing: Considering the high humidity in some parts of Latin America, the street lighting system should have a high protection rating (IP66 and above) and use corrosion-resistant materials and surface treatments to ensure long-term stable operation.
4. Conclusion: Adopting a hybrid power supply model combining solar streetlights and grid power in newly developed areas on the outskirts of Latin American cities is a wise choice that adapts to local development needs and environmental characteristics. This model not only fully utilizes the abundant solar energy resources in Latin America, achieving energy conservation and environmental protection, but also ensures high reliability and continuity of the lighting system through grid power supplementation, effectively solving the problems of grid instability and high connection costs. Through optimized technology selection and intelligent management, hybrid solar streetlights will provide efficient, sustainable, and future-scalable lighting solutions for newly developed areas in Latin America, contributing to the healthy development of urbanization.
References
[1] Anern. (n.d.). Solar Street Light Engineering Solutions. Retrieved from http://www.anerngroup.com/solution/
[2] ScienceDirect. (2016, January 1). 2050 LCOE (Levelized Cost of Energy) projection for a hybrid PV.... Retrieved from https://www.sciencedirect.com/science/article/abs/pii/S0360544215015418
[3] RCTraffic. (2025, December 3). Solar Street Light in Qatar | High-Temperature Middle East... Retrieved from https://www.rctraffic.com/exhibition-news/news/solar-street-light-in-qatar.html
[4] Kototerk. (n.d.). Solar-powered smart street light pole. Retrieved from https://www.kototerk.com/
Post time:Mar - 03 - 2026
