Vaja
Vaja AB is a Stockholm-based solar technology company that has developed VajaTrack, a wind-responsive vertical single-axis solar tracking system for utility and small-scale solar farms beyond ±30° latitude, sold to professional developers and to farmers/landowners as a turnkey Vaja Solar Farm offering.
- Company typePrivate
- Founded2024
- HeadquartersStockholm, Sweden
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Vaja does
Vaja AB is a Stockholm-based, privately held Swedish company founded in 2024 (with origins in a fall 2023 co-founder conversation) that develops and commercializes VajaTrack, a vertical single-axis solar tracking system engineered for solar farms built beyond ±30° latitude — covering all of Europe, most of North America, and large parts of Asia. Its core technology is a patented wind-responsive design combining four elements: passive feathering mechanics that allow panels to lift into an almost horizontal position under strong winds without motors (reducing wind load by more than 80% versus locked configurations), a minimal torque architecture that aligns the vertical axis with wind direction, a centralized cable-based drive that uses a single motor, gearbox and controller for many tracker units, and a shade-avoidance optimization stack combining hardware layout with backtracking algorithms. The technology was validated through 5,000+ hours of outdoor testing across four Swedish sites, CFD modeling on the KTH Dardel supercomputer, and wind-tunnel work at the KTH L2000 facility, and is backed by a top-20 Swedish patent portfolio (2024 filings).
Vaja operates a two-product portfolio on this platform: VajaTrack, sold to professional solar farm developers for pilot and commercial installations; and Vaja Solar Farm, a complete turnkey small-scale solar farm offering aimed at farmers and private landowners in Sweden, delivered both directly and via channel/reseller partners, with a 5-10 year payback horizon. Revenue mechanics combine hardware sales (tracker units with mounting, panels, transmission, electronics, and control software) with a recurring managed-services layer consisting of a cloud-based monitoring and tracker-control platform plus regular maintenance visits. Pricing is quote-based and not publicly disclosed. GTM combines direct sales (Request a Quote and Schedule a Meeting flows on vaja.net) with channel partners in Sweden, an enterprise pilot-reservation motion for international developers, and event marketing at Swedish agricultural fairs and solar conferences.
The company employs approximately 15 people and has raised roughly €6 million in total capital (equity plus grants) as of June 2026, including an undisclosed pre-seed from node.vc in fall 2024, a SEK 11 million Swedish Energy Agency grant in September 2025 (the second such grant), and a €3.1 million seed round led by The Footprint Firm with node.vc participation in June 2026. VajaTrack was officially launched in January 2026 alongside the opening of 10 pilot project slots in Sweden.
Vaja firmographics
Firmographics- Name
- Vaja
- Legal name
- Vaja AB
- Website
- https://vaja.net
- Company type
- Private
- Founded year
- 2024
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Vaja AB is a Stockholm-based solar technology company that has developed VajaTrack, a wind-responsive vertical single-axis solar tracking system for utility and small-scale solar farms beyond ±30° latitude, sold to professional developers and to farmers/landowners as a turnkey Vaja Solar Farm offering.
- Ownership category
- akta.pro rank
Vaja industry classification
Industry- Product category
- Solar Tracking Systems
- NAICS
- Solar Electric Power Generation (221114)
- akta.pro primary industry
- Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG)
Keywords
Where Vaja is headquartered
LocationHeadquarters
- HQ city
- Stockholm
- HQ country
- Sweden
- HQ region
- Europe
Offices2 records
Markets served
Vaja business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Technology or R&D, Personnel, Operations, Marketing or Sales
Revenue model
- Vaja Solar Farm Turnkey Installations: Complete turnkey solar farm delivery for farmers and private landowners including groundwork, finished and operational system, with typical payback of 5–10 years after which the system generates pure profit. Initially available only in Sweden, both direct and via partners.
- VajaTrack Sales to Solar Farm Developers: Sale of VajaTrack units (including mounting system, panels, transmission, electronics, and control software) to professional developers of solar farms for pilot and commercial installations.
- Service & Maintenance Agreements: Recurring service agreement connecting customer solar farm to Vaja's cloud platform that controls the tracker and provides remote monitoring plus regular maintenance visits.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | One time/ perpetual license | Quote-based / not publicly disclosed |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Vaja product offering
Product offeringCore offering
Vaja AB designs, develops, manufactures, and sells VajaTrack, a wind-responsive vertical single-axis solar tracking system for solar farms beyond ±30° latitude, as well as Vaja Solar Farm, a turnkey small-scale solar farm offering built on VajaTrack for farmers and private landowners in Sweden. The hardware combines patented passive feathering mechanics, a minimal-torque vertical axis, a cable-based centralized drive, and shade-avoidance optimization, and is sold together with a cloud-based monitoring/control platform and service/maintenance agreements.
Product overview
Vaja AB operates a focused two-product portfolio built on a single underlying wind-responsive vertical solar tracking technology. The core technology platform — featuring patented passive feathering mechanics, minimal torque design, a centralized drive system, and shade-avoidance optimization — powers the company's flagship commercial product, VajaTrack, a vertical single-axis solar tracker for solar farms beyond 30° latitude (covering all of Europe, most of North America, and large parts of Asia). VajaTrack is delivered both as a product/technology for professional utility-scale solar farm developers (pilot installations) and as the engine of Vaja Solar Farm, a turnkey small-scale solar farm offering aimed at farmers and private landowners (initially in Sweden). Together, the offering combines hardware (tracker units), software (cloud-based tracker control and remote monitoring), and services (installation, service agreement, maintenance) under a single architecture.
Differentiator
Problem solved
Functional benefit
Brands
- VajaTrack: VajaTrack is Vaja's flagship wind-responsive vertical single-axis solar tracking system, claimed to be the world's first cost-efficient vertical solar tracker. It reduces wind loads by more than 80% via patented passive feathering mechanics and delivers 25-50% higher revenue versus fixed-mount installations.
- Vaja Solar Farm
Products and services
- VajaTrack Vertical single-axis solar tracking system for solar farms beyond ±30° latitude (all of Europe, most of North America, large parts of Asia). Uses a patented wind-responsive design combining passive feathering mechanics, minimal torque architecture, a cable-based centralized drive, and shade-avoidance optimization. Delivers 25–35% higher energy production and 30–40% higher revenue versus fixed-mount panels, validated at KTH's Dardel supercomputer and L2000 wind tunnel and across 5,000+ hours of outdoor testing in Sweden. Sold to professional solar farm developers and supplied as the engine of Vaja Solar Farm turnkey installations.
- Vaja Solar Farm Complete turnkey small-scale solar farm offering for farmers and private landowners, initially available in Sweden both direct and via channel partners. Includes groundwork, the finished VajaTrack-based installation, a service agreement with cloud-based tracker control and remote monitoring, and regular maintenance visits; produces up to 35% more electricity than fixed-mount ground installations and up to 80% more than east/west-facing rooftop panels, with typical payback of 5–10 years. The vertical-axis layout allows farm machinery access, grazing, and crop growth between panels.
Quantifiable outcome
- 30–40% higher revenue vs fixed-mount panels
- +7 more outcomes
Companies that use Vaja
Customer profileNamed customers2 records
Segments3 records
Ideal customer profiles2 records
Vaja technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature5 records
Vaja partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- Fredrik Lundell (Professor in Experimental Fluid Mechanics)coreProfessor at KTH Royal Institute of Technology serving as Vaja's Tech Advisor. Vaja also conducted advanced CFD simulations on KTH's Dardel supercomputer and wind-tunnel experiments at the KTH L2000 facility to validate the wind-responsive tracker technology.
- Sales / channel partners in SwedenminorVaja offers Vaja Solar Farm for small-scale agricultural installations in Sweden 'both direct and via partners'; partners are referenced but not named.
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
Vaja competitors and assessment
Company assessmentBroad incumbents
- Array Technologies: Largest US-based horizontal single-axis solar tracker manufacturer, supplying utility-scale projects globally. Comparable to Vaja as a solar tracker hardware vendor but focused on horizontal-axis designs that underperform at higher latitudes — directly competing for the same solar-farm developer customer wallet.
- NEXTracker: Leading global manufacturer of horizontal single-axis solar trackers, serving utility-scale solar developers worldwide. A direct competitor to Vaja for solar farm tracker supply, though focused on horizontal-axis technology and predominantly deployed near the equator and in mid-latitude markets where vertical tracking is less differentiated.
- GameChange Solar: US-headquartered solar tracker and fixed-tilt racking supplier with significant global market share. Comparable to Vaja as a competing tracker vendor for utility-scale developers, though it specializes in horizontal-axis trackers rather than vertical-axis.
- TrinaTracker: Tracked-solar subsidiary of Trina Solar, a vertically integrated module-and-tracker supplier for utility-scale projects. Competes with Vaja as a tracker vendor targeting large-scale solar developers, especially in Asia and Europe.
- Convert (Valmont Industries): Valmont's solar tracker division (Convert) supplies single-axis trackers to large utility-scale solar farms globally. Comparable to Vaja as a tracker vendor competing for solar farm developer customers, particularly in North America and EMEA.
Direct peers
- Soltec: Spanish manufacturer of single-axis solar trackers (SF7 utility-scale product line) with global presence. Closely comparable to Vaja as a solar tracker vendor targeting solar farm developers; both compete on cost-per-watt, energy yield, and reliability across utility and commercial-scale installations.
- PV Hardware (PVH): Spain-headquartered solar tracker manufacturer offering both single-axis and fixed-tilt solutions for utility-scale projects. Comparable to Vaja as a competing tracker vendor with overlapping global go-to-market across Europe, North America, and Latin America.
- STI Norland: Spanish manufacturer of single-axis solar trackers (fixed and seasonal tilt) for utility-scale projects, with strong European footprint. A direct competitor in the same product category — solar trackers for solar farms — and a relevant benchmark for European tracker expansion strategies.
Regional players
- Soldags: Swedish residential solar installation company founded by Vaja CTO Anders Olsson. Adjacent rather than directly competitive — both target the Swedish solar market, but Soldags is residential/rooftop-focused while Vaja focuses on ground-mounted tracker systems for farms and developers.
Emerging players
- Sunlit Sea / Vela (Solar Panel Tracker companies, vertical-axis niche): Various emerging vertical-axis and bifacial tracker developers targeting agricultural and high-latitude solar farm applications. Relevant emerging comparables for Vaja in the niche vertical-axis solar tracker category.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Vaja social profiles
Digital presenceVaja compliance and trust
Trust signalCompliance1 record
Vaja financial estimates
Financial estimateRevenue estimate
Valuation estimate
Vaja leadership team
Management profileNumber of profiles
Profiles4 records
Vaja subsidiaries and ownership
Company hierarchySubsidiaries1 record
Vaja funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Vaja M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Vaja
What does Vaja do?
Vaja AB designs, develops, manufactures, and sells VajaTrack, a wind-responsive vertical single-axis solar tracking system for solar farms beyond ±30° latitude, as well as Vaja Solar Farm, a turnkey small-scale solar farm offering built on VajaTrack for farmers and private landowners in Sweden. The hardware combines patented passive feathering mechanics, a minimal-torque vertical axis, a cable-based centralized drive, and shade-avoidance optimization, and is sold together with a cloud-based monitoring/control platform and service/maintenance agreements.
Is Vaja a public or private company?
Vaja is a private company. It is classified as venture growth investor backed and is currently operating.
When was Vaja founded?
Vaja was founded in 2024. It employs 11 to 50 people.
Where is Vaja based?
Vaja is headquartered in Stockholm, Sweden, in the Europe region.
How does Vaja make money?
Three revenue lines are on record. Vaja Solar Farm Turnkey Installations are the primary driver. The others are vajaTrack Sales to Solar Farm Developers and service & Maintenance Agreements.
Who are Vaja's main competitors?
Broad incumbents on record are Array Technologies, NEXTracker, GameChange Solar, TrinaTracker and Convert (Valmont Industries). Direct peers are Soltec, PV Hardware (PVH) and STI Norland. Soldags is listed as a regional player. Sunlit Sea / Vela (Solar Panel Tracker companies, vertical-axis niche) is listed as an emerging player.
Does Vaja have an API?
No public API is recorded for Vaja.
What industry is Vaja in?
Vaja's product category is Solar Tracking Systems. Its primary akta.pro industry code is EUAEAAAG, Solar PV Power Plant EPC (Utility-Scale). Its NAICS code is 221114.