Why Choose an IoT-Enabled Hybrid Solar + Grid Street Lighting System?
Modern cities are experiencing rapid expansion, rising energy demand, and an increasing need for reliable public infrastructure. Street lighting is one of the largest electricity consumers in any municipality, and traditional grid-powered lighting systems often struggle with high operating costs, unstable power supply, and limited management capability. At the same time, purely solar street lights face their own challenges, such as insufficient sunlight during rainy or cloudy seasons, battery degradation, and inconsistent performance in regions with harsh climates. These issues have created a strong global demand for a more resilient, intelligent, and cost-effective lighting solution—leading to the rise of IoT-enabled hybrid solar + grid street lighting systems. A hybrid street lighting system integrates three essential components: solar energy, the local electrical grid, and a high-cycle LiFePO4 battery backup. During sunny days, the solar panel provides power and charges the battery. At night or during cloudy periods, the system intelligently switches to battery or low-tariff grid electricity depending on availability. This dual-source architecture solves the “solar only” reliability problem while significantly reducing dependence on expensive peak-hour grid electricity. Cities benefit from lower electricity bills, improved lighting reliability, and reduced CO₂ emissions without compromising performance.
The addition of IoT technology further transforms the system from a basic lighting device into a smart, data-driven infrastructure asset. With IoT lamp-level controllers, each street light can report real-time information such as voltage, current, temperature, battery state of charge, and power consumption. Faults—such as LED failure, low battery, or power loss—are automatically detected and sent to a centralized monitoring platform. This enables cities to replace traditional manual inspection with predictive maintenance, reducing manpower costs and minimizing downtime.
IoT also enables precise lighting control. Municipalities can schedule automatic ON/OFF times, dim lights during low-traffic hours, or adjust brightness in response to weather, road conditions, or special events. When applied across thousands of street lights, these small adjustments can reduce energy consumption by 30% to 70%. Combined with hybrid power, cities can ensure that every roadway, rural village, industrial zone, or highway retains stable lighting even during extended rainy seasons, power outages, or natural disasters.
For developing countries or regions with unstable grids, hybrid solar + grid IoT street lights offer an especially powerful advantage: continuous lighting security. Frequent blackouts are no longer a threat, and the system can maintain illumination for several nights using battery backup alone. This significantly improves road safety, reduces crime risk, and supports 24-hour economic activity in growing urban centers.
In summary, IoT-enabled hybrid solar + grid street lighting delivers the reliability of the electrical grid, the sustainability of solar energy, and the intelligence of a modern smart-city system. It reduces operational costs, enhances infrastructure resilience, and enables cities to manage large lighting networks efficiently. As governments increasingly prioritize energy efficiency and smart-city development, hybrid IoT street lighting is quickly becoming the future standard for global public lighting.
Brand:
SOWINItem NO.:
CH SOLARST200EFFOrder(MOQ):
1Payment:
T/TProduct Origin:
ChinaShipping Port:
Shen ZhenLead Time：
1~3 weeks
Cloud Based Smart Hybrid AC + Solar Street Light:
Smart Hybrid Grid and solar power led street lighting project feedback from one frequectly Grid off country.
365-Day Lighting for Unstable Power Regions with Battery Backup | Cloudy-Day Guarantee | Zero Blackouts | Smart IoT + PLC Control+ Hybrid Solar + Grid LED Street Light System
【2】CORE VALUE PROPOSITION
A Complete “Solar + Grid + Battery + IoT” Smart Lighting Solution
Designed for:
- Cities with unstable power supply
- Long rainy or cloudy seasons
- High electricity cost regions
- Government tender & EPC projects
Benefits:
✔ 365-day uninterrupted lighting
✔ Cloudy/rainy day guarantee
✔ 40–60% electricity cost reduction
✔ Lower CAPEX than full-solar systems
✔ Full IoT & PLC smart city compatibility
【3】WHY HYBRID? — PAIN POINTS SOLVED
1) Unstable Grid / Frequent Blackouts
Auto-switch to battery ensures lights never go off.
2) Long Rainy or Cloudy Seasons
Solar + nighttime AC charging removes weather dependence.
3) High Peak Electricity Cost
Charges only during low-tariff night hours.
4) High Cost of Laying Power Cables
Partial solar supply lowers infrastructure costs.
5) Government Tenders Require Smart Monitoring
IoT lamp-level control + PLC cabinet system fully compliant.
【4】SYSTEM ARCHITECTURE
Hybrid Solar + Grid System Includes:
- Solar Panel (Mono 50–300W)
- MPPT Solar Charger
- AC Grid Input Charger
- LiFePO4 Battery Pack
- LED Module (5050 high-lumen) Up to 230 lumen per watt
- IoT Controller (4G /CAT1/ NB-IoT / LoRa / PLC)
- Centralized Cabinet Controller
- Web Dashboard Monitoring Platform
PLC Version Advantages:
- Ultra-stable high-speed communication
- Perfect for highways, tunnels, & industrial parks
- No wireless interference
- Supports 5–1000+ km continuous roads
【5】KEY FEATURES & COMPETITIVE ADVANTAGES
1. Hybrid Solar + Grid Dual Power
- Automatic switching
- Guaranteed lighting during rainy weeks
- Supports nighttime low-tariff charging
2. LiFePO4 Battery Backup
- 5000–8000 cycles
- High temperature resistant
- 2–5 days autonomy
3. High-Efficiency LED
- 130–230 lm/W
- Professional photometric test (IES available)
4. Smart IoT Lamp-Level Control
- ON/OFF scheduling
- 0–100% dimming
- Real-time performance data
- Energy statistics
- To prevent theft and vandalism, GPS positioning allows for real-time tracking of stolen street light.
5. Central Monitoring Platform
- Citywide dashboard: Maximum 100,000 lighting points, update to 1,000,000 light points
- Multi-project management
- Historical reports
- Automatic fault detection
6. PLC / 4G / NB-IoT / LoRa /Hybrid PLC & LoRa Options
- Fits all global communication standards
7. Industrial-Grade Protection
- IP66
- 10kV/20kV surge
- -40°C to +70°C
- Anti-corrosion housing
【6】PRODUCT MODELS (General Range)
LED Power: 30W–300W
Luminous Efficacy: 130–230 lm/W
Solar Panel: 50W–300W mono
Battery Options: LiFePO4 12.8V / 24V (15–100Ah)
Working Modes: Timer, sensor, IoT scheduling
Communication: PLC / 4G / CAT1/NB-IoT / LoRa
Pole Height: 6–120 m
【7】TECHNICAL SPECIFICATIONS TABLE
LED Output: 30W–300W
Efficiency: 130–230 lm/W
Solar Panel: 50–300W
Battery Type: LiFePO4
Battery Life: >5000 cycles
Grid Input: 100–277V 50/60Hz
Controller: MPPT + AC charger
Communication: PLC / 4G / CAT1/NB-IoT / LoRa
Surge Protection: 10kV/20kV
IP Rating: IP66
Temperature: -40°C to +70°C
Installation: Pole-mounted
Pole Height: 6–12m
【8】SMART CITY IoT PLATFORM
Monitoring:
- Voltage / Current
- Temperature
- Battery SOC
- Power consumption
- GPS map location
Alarms:
- LED failure
- Power failure
- Low battery
- Over-temperature
- Controller offline
- To prevent theft and vandalism, GPS positioning allows for real-time tracking of stolen street light.
Management Levels:
Lamp → Group → Zone → Entire City
【9】APPLICATION SCENARIOS
✔ Highways & expressways
✔ City main roads
✔ Industrial areas & logistics parks
✔ Rural villages
✔ Islands & remote regions
✔ Developing countries with unstable grids
✔ Government projects & EPC tenders
【10】WHY CHOOSE SOWIN / CHENG HONG?
- 6 Lanes & 8 Lanes Under sea Tunnel and Cross Sea Bridge on the Century Projects
- 2300+ km smart lighting projects installed
- 65% China highway/tunnel lighting market share
- 20+ years experience
- Exported to 80+ countries
- OEM/ODM customization
- Strong IoT + PLC technical capability
- 7×24 professional support
【11】FAQ
Q1: Can this system work in long rainy seasons?
A: Yes. Solar + AC hybrid guarantees 100% lighting.
Q2: Do you support lamp-level IoT control?
A: Yes. Full dimming, monitoring, alarms, and statistics.
Q3: Do you provide photometric (IES) files?
A: Yes. Professional test reports are available.
Q4: Can we customize wattage, battery, solar panel?
A: Fully customizable.
Q5: Do you support government tender/EPC projects?
A: Full documentation + platform demo available.
Faulty Reporting
Showing on the Google Map with Red Color
Real Time Status： W / V / I / PF / Tempt. Control & Detecting:
DEMO Operating on the Cloud Based Sever
Mega IoT Smart LED Street Lighting Cases Study:
93km world smartest Expressway Street Lighting & Tunnel Lighting using both of the PLC~Power Line Communication and LoRA system, which integrated with the Motion Sensor and Ambient Sensor for seamless connecting, to chieve Maximum Energy Opitimation.
The Intelligent Outdoor Lighting Control & Monitoring System adopts our equipment and solutions, simplify operations and management, improve maintenance timeliness, on-demand lighting, energy saving and emission reduction, to Remote control & manage the LED street light, integrated with Motion Sensor and Ambient Sensor for seamless connecting for the outdoor luminaire to achieve automatic lighting management on the IoT Smart City Street Lighting Platform, enhance a safer & more attractive living environment for citizens.
Amazing & Incrediable Shocking on the Exhibitions:
FAQ
Q1. Who are we?
A: We are focus on IoT Lighting Cotrolling and Monitoring system, and offering the latest LED light technoogy with highest working efficiency, to save extra power from original design by cut-edge technology.
Q2. Warranty quality?
Min. 5 years warranty, to choose Industry Grade Components from Famous Brands.
Q3. Why should you buy from us not from other suppliers?
A: More Reliable Quality Performance + More Energy Saving + More Added Value for your customers.
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Address : F4,Bldg A, Hanzhong Industrial Park, No.67, North of Xinsha Ave, Xin Tang, Zeng Cheng, Guang Zhou, China
Tel : +86 20 8278 0427
Email : info@stsystemplc.com
Email : morrison426@163.com
