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Jardin de Pluie Urbain

A solution to clean, store and use rainwater in urban areas for the benefit of nature and biodiversity

April 2023
Gallery Jardin de Pluie Urbain 1
Gallery Jardin de Pluie Urbain 1


Source Urbaine's goal is to provide a simple and autonomous solution that will re-introduce Nature and its benefits in our cities. By collecting and storing rainwater from roofs and roadsides, we can ensure a system that doesn't neeed watering, even during extended heat waves. All the vegetation and plants that are on our installations are regularly watered thanks to the source below it which ensures their proper development. This aspect is very important, especially during hot weather, as we noticed that the plant have the natural capacity to evapotranspirate ("sweat the water they drink") a lot more when they have access to a large quantity of water. The direct impact on the surrounding environment is to cool it down thus reducing the effect of Urban Heat Islands. Our systems are flexible and can be adapted to any configuration as public real estate can be very difficult to cope with, especially in crowded cities. The dimensioning of our solutions can fit any of your needs.

Label Date April 21, 2023
From France
Maturity stage Initial market commercialization
Looking For Network, New clients, Visibility, Partners, Credibility

The environmental benefits

  • Collecting rainwater from a 100sqm parcel can get you between 60m3 and 80m3 annually for a climate similar to France's
  • The evapotranspiration phenomenon is still underestimated but thanks to this natural capacity, we can cool down the environment by up to -7°C
  • Today, most european cities will water their plants with drinkable water when we already know that other countries don't even have access to it
  • Depending on the general environment and climate, a 10m² installation of our solution can evapotranspirate up to 40m3 of water back into the atmosphere over a year
  • 8 out of 10 people express the need to have green areas in their cities to improve the quality of their way of living

The Financial benefits

  • Transportation costs to water green areas in a city can be cut off by 100% should the installations be self-sufficient in terms of watering, even during hot summers
  • The labor work involved in the maintenance of green areas can be cut down by 50%

Activity Region

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Company Profile

Source Urbaine

Source Urbaine reuses rainwater in the urban environment for the benefit of biodiversity and the fight against UHI.

View company profile Solution website
Headquarters 92100 Boulogne-Billancourt, France
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Source Urbaine has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.