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Color-optimized solar modules allowing the combination of energy and crops production

October 2022
Gallery Voltiron 1
Gallery Voltiron 1


Food systems have a significant carbon footprint and a lot can be done to decarbonate our favorite fruits and vegetables. Voltiris' solution, consisting of color-optimized solar modules compatible with crop production, enables the energetic transition of greenhouses and allows greenhouse owners to gain in sustainability, energetic independence and viability. The solution, based on a spectral filtering technology, is compatible with high-light crops. Hence, growers can fully leverage the large surface of their greenhouses to cover them at max 35% with Voltiris modules. For a standard 5ha greenhouse, this results in up to ~17,500 solar modules installed, hence transforming the greenhouse into a photovoltaic power plant. The solution brings innovations on both the solar module and an innovative 2-axis solar-tracking system that allow to produce as much electricity as standard panels resulting in a very competitive LCOE.

Label Date October 21, 2022
From Switzerland
Maturity stage Prototype testing in the real world
Looking For Network, Visibility, Funding, Credibility

Implementation Stories

Voltiron by Voltiris
Implemented by Agroscope, Innosuisse in Conthey (Switzerland) in 2022

Since 2021, the Voltiron solution has been tested on the agroscope's parcels in Conthey. It allows the company to test its solar module solution on vegetable crops that need high light intensity, such as tomatoes, peppers and flowers. This project, financed by Innosuisse, is located on the grounds of Agroscope in Conthey. The results obtained after the first year of testing show that crops placed under Voltiron panels did not experience any reduction in growth and enjoyed additional agronomic benefits.


The crops required about 15% less water than before. Other factors are being evaluated to understand if there is also a reduction in the incidence of pests, fungi and diseases.


The environmental benefits

  • 20 times more sustainable energy in a greenhouse than with Combined Heat and Power (CHP)
  • Up to 80% energy independence for a standard greenhouse (vs 2% without our solution)
  • Up to 80% reduction of CO2 emissions coming from energy
  • 4.3GWh of green energy produced in a standard 5ha greenhouse

The Financial benefits

  • Up to 70% reduction in energy costs
  • Solution paid off in ~4 years when compared to Combined Heat and Power (CHP) system, for an expected lifetime of 25 years

Activity Region

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  • Headquarters
  • Activity

Company Profile


Voltiris enables the energy transition of greenhouses by developing color-optimized solar modules compatible with crops

View company profile Solution website
Headquarters 1003 Lausanne, Switzerland
Contact the Solution Provider Add to Favorites

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 Voltiris 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.