HARMOLIGHT®

Lighting the right way, in the right place, at the right time

In light of current energy, environmental, and societal challenges, public lighting today must balance safety, user comfort, and the preservation of nocturnal ecosystems. However, when not properly controlled, artificial light can disrupt the natural cycles of wildlife, plants, and even humans.

For many years, GROUPE RAGNI has been developing a vision of mindful lighting based on three essential principles:

• Purposeful: lighting only the spaces that require it;
• Efficient: adapting light intensity and operating times to actual usage;
• Respectful: limiting light pollution to preserve biodiversity and promote the observation of the night sky.

To turn these principles into concrete solutions, GROUPE RAGNI has developed HARMOLIGHT®, a suite of complementary technologies that allow lighting to be tailored to each region, each use, and each environment.

From off-grid solar lighting to smart control systems, including color temperature management and optimization of luminaire orientation, HARMOLIGHT® solutions enable local governments to reduce their environmental impact while ensuring high-performance, sustainable lighting tailored to users’ needs.

Autonomous Solar Lighting – NOVÉA ENERGIES

• No need for trenching or grid connection work.
• Reduced pollution, noise, and disruptions associated with construction sites.
• Limited indirect impacts on traffic and air quality.
• Zero electricity consumption during operation.
• Reduction in CO₂ emissions of up to 2 metric tons per year, depending on the configuration.

Motion detection and dimming

• Up to 60% energy savings compared to conventional LED lighting.
• Reduced disruption to flora and fauna thanks to lighting that is activated only when necessary.
• Color temperature adjusted according to the time of day to preserve ecosystems.
• Maintenance of a service level that ensures comfort and a sense of safety.
• Improved social acceptance of nighttime lighting.

Smart Remote Control – SEVe

• Precise adjustment of lighting based on usage, seasons, events, or the sensitivity of specific areas.
• Up to 80% energy savings compared to standard LED lighting.
• Fewer maintenance trips thanks to real-time monitoring of installations.
• Faster response to incidents thanks to equipment geolocation.
• System scalability thanks to its interoperability with other services in the connected region.

LED Retrofit

• Up to 50% reduction in energy consumption through dimming.
• Extended equipment lifespan and reduced waste.
• Investment cost up to half that of a complete replacement.
• Compliance with current requirements for lighting performance, protection of the night sky, and biodiversity.

Optimized Color Temperature

• Reduced light attractiveness to insects.
• Preservation of residents’ sleep and comfort.
• Compliance with recommendations from the OFB and Cerema.
• Improved color rendering while reducing energy consumption by up to 40% at equivalent luminous flux.
• Better visual integration and acceptance by users.

Scheduled Nighttime Switch-Off of Urban Lighting Features

• Maximum energy savings during switch-off periods.
• Significant reduction in light pollution.
• Preservation of stargazing opportunities.
• Reduced impact on nocturnal biodiversity.

Luminaire Design and Orientation (Anti-Glare)

• Reduction of unnecessary light emissions toward the sky.
• Limitation of intrusive light for nearby residents.
• Targeted enhancement of heritage sites and urban spaces.
• Contribution to preserving the quality of the night sky.