Lumio has raised $900K in a pre-seed round backed by 100×100, a bet on the Spanish solar installer’s in-house model. The company, which handles everything from panel and aerothermal installation to project execution with its own team of technicians, says the approach is what sets it apart in a crowded market. EUPD Research named Lumio one of Spain’s best installers in 2025, a nod to both installation quality and customer satisfaction. The fresh capital arrives as demand for turnkey renewable energy systems keeps climbing across the country, though the company hasn’t detailed how it will deploy the funds.


















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