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The tracking technology dubbed VajaTrack has been designed by Vaja AB, a Stockholm-based company.
A new vertical solar tracking system designed to make solar energy more efficient and cost-effective for regions located beyond 30° latitude. 
These include most of Europe, North America, and parts of Asia.
The tracking technology dubbed VajaTrack has been designed by Vaja AB, a Stockholm-based company. 
Physically, vertical trackers are better for higher latitudes than horizontal trackers, but economically, the tech failed. The reinforcement needed to combat wind loads simply made the price tag too high for most developers.
Conventional horizontal solar trackers, the industry standard, tilt panels to follow the sun across the sky. 
Effective near the equator. But as you move north or south, the sun spends more time lower on the horizon. Here, horizontal systems struggle. 
Vertical trackers, on the other hand, are ideal for this challenge, but their susceptibility to high wind loads requires massive, expensive foundations. Until now.
The system is designed to solve the “latitude problem” for solar energy. 
Standard horizontal trackers lose efficiency far from the equator, but VajaTrack maximizes energy capture beyond 30° latitude — covering Europe, North America, and much of Asia.
It leverages a wind-responsive design that reduces structural wind loads by over 80%.
“Vertical solar tracking is a proven way to harness significantly more solar energy across more of the day and year, but until now the cost to build and reinforce vertical trackers has been unreasonably high,” said Henrik Eskilsson, Vaja’s CEO, in the press release.  
With continuously rotating panels facing the low-angled sun, the system boosts power generation during key periods, such as early morning, late afternoon, and winter months. 
These are often the times when electricity demand — and therefore value per kilowatt-hour — is at its peak. This strategic boost could increase production and also revenue for solar farm operators.
VajaTrack’s core innovation lies in its structural and mechanical efficiency.
It is based on Passive Feathering Mechanics that cut wind resistance by over 80%. 
The tracker uses a minimal torque design to eliminate aerodynamic instabilities. It has a centralized drive system that allows one motor to power multiple units. The system slashes both capital expenditure and long-term maintenance costs. 
Furthermore, its shade-avoidance optimization ensures that the high-yield potential of vertical panels is fully realized without the common pitfall of self-shading, making it a robust, low-maintenance solution for high-latitude solar.
“The key innovations in VajaTrack are centered around bold new concepts that make our next generation of vertical trackers more cost-effective to build, more durable once installed, and far more affordable to maintain, finally making the clear advantages of vertical solar tracking viable for a huge part of our planet,” Eskilsson added. 
Vaja is now inviting professional solar developers to participate in pilot projects globally. Also, the company is rolling out smaller turnkey offerings for landowners in Sweden, with 10 project slots slated for 2026. 
This approach aims to rapidly integrate VajaTrack into both large-scale commercial operations and localized, distributed energy grids.
Mrigakshi is a science journalist who enjoys writing about space exploration, biology, and technological innovations. Her work has been featured in well-known publications including Nature India, Supercluster, The Weather Channel and Astronomy magazine. If you have pitches in mind, please do not hesitate to email her.
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