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Holosolis

Builds a photovoltaic cell and module gigafactory in Sarreguemines-Hambach, France, for European solar energy supply

Paris, FranceFounded 2022holosolis.frWebsite technologies

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Highlights

  • Young companyFounded 2022
  • New on EvolcAdded 2026-10-30

About Holosolis

HoloSolis is building a photovoltaic production site in Sarreguemines-Hambach, France, to make n-type TOPCon solar cells and photovoltaic modules. The company describes the plant as a 5 GW gigafactory once at full capacity.

The company's products are photovoltaic cells and modules, which it presents as sovereign, locally produced solar energy for Europe. Its news items mention partnerships and investors, including Trinasolar, ROSI, Calès Technologies, Forming AG and ECOLAB.

HoloSolis is headquartered in Paris and was founded in 2022. Construction of the buildings is planned to start in 2027, with the first modules expected in 2028. At full capacity the site is planned to employ nearly 2000 people and produce more than 10 million solar panels per year. The company is preparing a fundraising round to finance the gigafactory construction.

Product: N-type TOPCon photovoltaic cells and photovoltaic modules produced at a planned gigafactory in Sarreguemines-Hambach.

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