Solar Lighting Projects/Germany Freiburg Solar Roadway Lighting Upgrade Project

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:

ParameterSpecification
ProductLED Solar Roadway Lights
Quantity3,000 Sets
Power130W
LED Efficiency120 lm/W
LED SourceCREE SMD2835 LED
Solar CellMono-Si
IP RatingIP66
Lifespan30,000 Hours
Color Temperature5000K
CRI≥80
Beam Angle75° × 140° CUT OUT
Housing MaterialAluminum Alloy
Shade MaterialGlass
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

CategoryProject Data
CountryGermany
CityFreiburg
ApplicationMunicipal Road Lighting Upgrade
ProductLED Solar Roadway Lights
Quantity3,000 Sets
Power130W
LED Efficiency120 lm/W
LED ChipCREE SMD2835
Solar Panel18V/36W – 36V/130W
Battery12.8V/15Ah – 25.6V/90Ah
Solar CellMono-Si
IP RatingIP66
CCT5000K
CRI≥80
Control SystemMicrowave Motion + Light Control + Timer
Remote ControlSupported
DimmingSupported
Charging Time5–6 Hours
CertificationCE / GS / VDE / UN38.3
Warranty3 Years
Energy Saving25%

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.

Solar Lighting Projects for Global Infrastructure Applications