HoloSolis

Energy is our promise

Sarreguemines, France · Founded 2022 · $245.0M raised

Headquarters
Sarreguemines
Employees
11–50
Founded
2022
Business Model
B2B
Total Funding
$245.0M
Last Round
$245.0M Venture RoundNov 2025
Rounds
1

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

HoloSolis responds to the need for European energy sovereignty by manufacturing the most energy-efficient photovoltaic modules. It is building Europe's largest gigafactory for TOPCon n-type PV cells and modules in Sarreguemines-Hambach, France, with 5 GW annual capacity, producing over 10 million panels yearly and employing 1900 at full scale.

Summary

HoloSolis is a Climate Tech company based in Sarreguemines, France, founded in 2022. It has raised $245.0M in total across 1 round, most recently a $245.0M Venture Round in Nov 2025.

Tech & App Stack

3 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Venture RoundGrowth FinancingNov 2025
$245.0M

Similar Companies

Commonwealth Fusion Systems

MIT spinout developing compact fusion energy plants using high-temperature superconducting magnet...

Devens, United States501–1000Climate Tech, Energy
Venture RoundTotal funding$3.9BJul 2026
Base Power

Home battery and energy company that provides distributed power storage to reinforce the electric...

Austin, United States51–200Clean Energy, Clean Tech
Series DTotal funding$2.3BAug 2026
OkloIPO

Oklo develops advanced fission power plants and fuel-recycling technologies to deliver reliable, ...

Santa Clara, United States11–50Climate Tech, Energy
Growth EquityTotal funding$2.0BOct 2025
SVOLT

SVOLT Energy Technology is a global manufacturer of battery cells, modules, and energy storage sy...

Changzhou, China10001+Climate Tech, Automotive
Series BTotal funding$1.6BFeb 2021
TAE Technologies

TAE Technologies is a fusion power company developing the most sustainable and economically compe...

Foothill Ranch, United States201–500Energy, Deep Tech
Corporate RoundTotal funding$1.5BDec 2025
Helion

Nuclear fusion energy company building the world's first commercial fusion power plant; has a 50 ...

Everett, United States201–500Clean Energy, Climate Tech
Series G+Total funding$1.5BJun 2026

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

HoloSolis on Indexed.vc
<a href="https://indexed.vc/companies/holosolis"><img src="https://indexed.vc/api/badge/company/holosolis" alt="HoloSolis on Indexed.vc" width="260" height="76" /></a>