
French renewable energy company HoloSolis has successfully raised more than €220 million ($255 million) to fund the construction of a state-of-the-art solar panel manufacturing facility in France. The new plant, which will be among the largest in Europe, marks a significant step toward bolstering Europe’s domestic solar energy capacity and reducing reliance on imported energy.
Driving Europe’s Solar Energy Expansion
Solar energy plays a critical role in Europe’s strategy to transition to clean, renewable energy sources. The continent aims to reduce dependence on fossil fuels and imported energy, particularly from Russia, while meeting ambitious climate and sustainability targets.
HoloSolis’ investment comes at a time when the European Union’s solar expansion experienced its first annual slowdown in over a decade, according to recent data. The company’s factory is positioned to help reverse this trend by significantly increasing Europe’s solar manufacturing output.
Project Details: Sarreguemines-Hambach Solar Factory
The HoloSolis facility, located in Sarreguemines-Hambach, France, is scheduled to become fully operational by 2030. Once completed, the plant will:
- Produce enough energy to power one million homes annually.
- Achieve a production capacity of 5 gigawatts (GW) per year.
- Generate approximately 2,000 direct jobs in the region.
This ambitious project underscores HoloSolis’ commitment to creating a sovereign European solar industry and strengthening Europe’s energy independence.
Financing and Strategic Partnerships
The latest funding round for HoloSolis included major investors and strategic partners such as Cales Technologie, InnoEnergy, TSE, Groupe IDEC, Armor Group, and Heraeus. The financing will support both construction and the scale-up of solar panel production, positioning HoloSolis as a key player in the European renewable energy sector.
Karine Vernier, CEO of InnoEnergy France, commented:
“HoloSolis embodies the ambition we have had since day one: a strong and sovereign European solar industry.”
Implications for Europe’s Renewable Energy Market
The HoloSolis factory represents a major boost for Europe’s solar energy infrastructure and reflects a growing emphasis on green energy investments. By increasing domestic production of solar panels, the project aims to mitigate supply chain risks and reduce the continent’s dependence on imported solar components.
Analysts view the HoloSolis initiative as a critical step toward achieving Europe’s renewable energy targets for 2030 and enhancing energy security across the region.


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