3,000 Sets LED Solar Roadway Lights for Sustainable Municipal Road Infrastructure
Project Location: Freiburg, Germany
Project Type: Solar Roadway Lighting Upgrade
Application: Municipal Road Lighting
Product: LED Solar Roadway Lights
Quantity: 3,000 Sets
Power: 130W
Certification: CE / GS / VDE / UN38.3
Warranty: 3 Years
Energy Saving Improvement: 25%
Project Overview
Solar Roadway Lighting Upgrade for German Municipal Infrastructure
LIKELITE supplied LED Solar Roadway Lights for a solar-powered roadway lighting upgrade application in Freiburg, Germany.
The project involved:
3,000 sets of 130W solar roadway lighting systems
designed to improve roadway lighting efficiency while reducing dependence on traditional electrical infrastructure.
The project combined:
- High-efficiency LED technology
- Solar photovoltaic power generation
- Battery energy storage
- Intelligent lighting control
to provide reliable outdoor illumination for municipal road applications.
Project Background
Supporting Sustainable Road Lighting Development in Germany
European municipalities are increasingly focusing on:
- Energy-efficient infrastructure
- Renewable energy applications
- Reduced operating costs
- Sustainable urban development
The Freiburg solar roadway lighting upgrade was designed to improve lighting performance while supporting energy-saving objectives.
The project required a lighting system capable of:
- Stable nighttime operation
- Outdoor durability
- Intelligent energy management
- Reduced electricity consumption
Project Requirements
1. Independent Solar Power Operation
The project required a lighting solution capable of operating independently through solar energy.
The system needed to integrate:
- Solar power generation
- Battery storage
- Intelligent control
to maintain reliable nighttime lighting.
2. Outdoor Environmental Protection
The lighting equipment needed to withstand long-term outdoor operation.
Required performance:
- Dust protection
- Water resistance
- Temperature adaptability
- Mechanical durability
3. Intelligent Lighting Management
The project required flexible lighting control to improve energy efficiency.
Control functions included:
- Microwave motion sensor
- Light control
- Timer control
- Remote control
- Dimming support
Project Product Configuration
LED Solar Roadway Lights
The project used:
LIKELITE LED Solar Roadway Lights
Technical specification:
| Parameter | Specification |
|---|---|
| Product | LED Solar Roadway Lights |
| Quantity | 3,000 Sets |
| Power | 130W |
| LED Efficiency | 120 lm/W |
| LED Source | CREE SMD2835 LED |
| Solar Cell | Mono-Si |
| IP Rating | IP66 |
| Lifespan | 30,000 Hours |
| Color Temperature | 5000K |
| CRI | ≥80 |
| Beam Angle | 75° × 140° CUT OUT |
| Housing Material | Aluminum Alloy |
| Shade Material | Glass |
| Working Temperature | -25°C ~ +65°C |
Solar Power System Configuration
Solar Panel System
The Freiburg project adopted a flexible solar panel configuration:
18V / 36W – 36V / 130W
The solar panel system was selected according to:
- Local solar conditions
- Lighting duration requirements
- Energy consumption
- Battery capacity
Battery Storage Configuration
Energy Storage System
The project battery configuration:
12.8V / 15Ah – 25.6V / 90Ah
The battery system stores solar energy during daytime and provides power during nighttime operation.
The configuration supports:
- Stable lighting output
- Extended operating periods
- Energy management optimization
Intelligent Control System
Smart Solar Roadway Lighting Operation
The Freiburg project integrated:
Microwave Motion Sensor
Automatically adjusts lighting operation according to movement conditions.
Light Control
Automatically manages operation according to ambient brightness.
Timer Control
Provides scheduled lighting management.
Remote Control
Allows system adjustment and management.
Dimming Function
Reduces energy consumption during low-demand periods.
Engineering Services Provided
LIKELITE supported the project with professional lighting engineering services.
Services included:
Lighting Design
- Lighting and circuitry design
Site Evaluation
- Onsite metering
Lighting Simulation
- DIALux Evo Layout
- LitePro DLX Layout
- AutoCAD Layout
- AGi32 Layout
Engineering evaluation considered:
- Road layout
- Installation conditions
- Lighting distribution
- Solar system configuration
- Energy performance
Project Implementation Process
Phase 1 — Technical Requirement Review
LIKELITE analyzed:
- Road application
- Lighting objectives
- Solar conditions
- Control requirements
Phase 2 — System Configuration
The solar lighting system was configured based on:
- 130W LED power demand
- Solar generation capacity
- Battery storage requirements
- Working schedule
Phase 3 — Production and Quality Control
LIKELITE manufactured the solar roadway lighting systems according to approved technical specifications.
Quality control included:
- Electrical performance inspection
- Waterproof testing
- Product consistency verification
Phase 4 — Project Delivery
A total of:
3,000 Sets LED Solar Roadway Lights
were prepared for the Freiburg municipal roadway lighting upgrade.
Project Technical Summary
| Category | Project Data |
|---|---|
| Country | Germany |
| City | Freiburg |
| Application | Municipal Road Lighting Upgrade |
| Product | LED Solar Roadway Lights |
| Quantity | 3,000 Sets |
| Power | 130W |
| LED Efficiency | 120 lm/W |
| LED Chip | CREE SMD2835 |
| Solar Panel | 18V/36W – 36V/130W |
| Battery | 12.8V/15Ah – 25.6V/90Ah |
| Solar Cell | Mono-Si |
| IP Rating | IP66 |
| CCT | 5000K |
| CRI | ≥80 |
| Control System | Microwave Motion + Light Control + Timer |
| Remote Control | Supported |
| Dimming | Supported |
| Charging Time | 5–6 Hours |
| Certification | CE / GS / VDE / UN38.3 |
| Warranty | 3 Years |
| Energy Saving | 25% |
Project Results
25% Energy Saving Improvement
The Freiburg solar roadway lighting upgrade achieved:
25% Energy Saving Improvement
The energy-saving performance was supported by:
- High-efficiency LED output
- Solar energy generation
- Intelligent control strategy
- Dimming management
- Optimized system configuration
Project Value
The Freiburg project provides a reference for customers evaluating solar roadway lighting applications in:
- Germany
- European Union markets
- Municipal infrastructure Projects
- Sustainable urban development Projects
The project demonstrates LIKELITE's capability in:
- Solar lighting system supply
- Engineering support
- Customized configuration
- Bulk project delivery
Before & After Comparison



DIALux EVO Lighting Simulation Verification


Why This Project Matters
The Freiburg solar roadway lighting upgrade represents the transition from traditional roadway lighting toward:
- Renewable energy utilization
- Intelligent lighting management
- Lower operational cost
- Sustainable infrastructure development
LIKELITE supports global customers in developing reliable solar roadway lighting solutions based on real project requirements.
Solar Lighting Projects FAQ
1. Where was the Freiburg solar lighting project located?
The project was located in Freiburg, Germany.
2. What type of project was completed?
It was a solar roadway lighting upgrade project for municipal infrastructure.
3. How many solar roadway lights were supplied?
The project included 3,000 sets of LED Solar Roadway Lights.
4. What was the power rating?
The project used 130W solar roadway lights.
5. What LED technology was used?
The system used CREE SMD2835 LED technology.
6. What was the LED efficiency?
The luminous efficiency was 120 lm/W.
7. What solar panel configuration was used?
The system supports 18V/36W to 36V/130W solar panel configurations.
8. What battery configuration was used?
The system supports 12.8V/15Ah to 25.6V/90Ah battery configurations.
9. Did the project include intelligent control?
Yes. It included microwave motion sensor, light control and timer control.
10. Does the system support remote control?
Yes.
11. Does the system support dimming?
Yes.
12. What certifications were included?
The project specification included CE, GS, VDE and UN38.3 certifications.
13. What was the warranty period?
The project warranty was 3 years.
14. What energy-saving improvement was achieved?
The project achieved approximately 25% energy saving improvement.
15. Can LIKELITE support similar solar lighting projects?
Yes. LIKELITE supports:
- Product supply
- Engineering design
- System configuration
- OEM/ODM production
for global solar lighting projects.
Request Similar Solar Lighting Project Support
Provide:
- Project location
- Road layout
- Quantity
- Pole height
- Pole spacing
- Working hours
- Lighting requirements
LIKELITE will evaluate project conditions and recommend suitable solar roadway lighting solutions.






