Sweden-based Vaja has raised €3.1 million (~$3.58 million) in seed funding to support the market entry and validation of its vertical single-axis solar tracking system.

The Footprint Firm led the funding round, with participation from node.vc. The latest funding brings Vaja’s total capital raised to date through equity investment and grants to €6 million (~$6.94 million), according to the company.

Vaja said it will use the proceeds to deploy its solar tracking technology across customer installations, advance its core tracking technology, and expand its team.

The company’s vertical single-axis tracking system, VajaTrack, is designed for solar projects in higher latitude regions. According to Vaja, the technology can generate 25% to 50% higher revenue than fixed-mount installations across Europe, most of North America, and large parts of Asia. The company attributed the increase to higher energy output and the ability to capture electricity generation during morning and evening hours, when prices may be higher.

“Vaja is a pioneer for vertical solar tracking technology, a much-needed innovation that harnesses significantly more solar energy across more of the day and year for a significant part of the world,” said Henrik Eskilsson, CEO of Vaja. “Over the next decade, we believe that vertical solar tracking can emerge as the dominant form of solar installation beyond 30° latitude, just as horizontal solar tracking has become the standard near the equator.”

Vaja said the technology could help increase solar yields in northern latitudes and support domestic renewable energy generation in Europe. The company is also opening additional installation slots for 2026 and accepting reservations for agricultural installations and pilot projects with professional solar farm developers.

Global VC funding for the solar sector in Q1 2026 came to $1.1 billion in 17 deals, a 21% decrease YoY compared to $1.4 billion raised in 14 deals in Q1 2025, according to Mercom’s Q1 2026 Solar Funding and M&A report. Funding increased 74% QoQ compared to the $606 million raised in 20 deals in Q4 2025.

Previously, in 2026, Invertix, a startup developing AI-powered software for renewable energy asset management, raised €1.7 million (~$1.97 million) in pre-seed funding. The company said it will use the proceeds to develop its platform, expand its team, and strengthen its commercial presence across Europe.