Education before sales
Why track in two axes?
The sun does not move across a single line. Solar systems should not be forced to behave as though it does.
Fixed tilt: simple by design
Fixed arrays have important advantages: simplicity, low mechanical complexity, and mature installation practices. But they are locked into one orientation — a compromise between morning and afternoon production, summer and winter sun angles, and annual versus seasonal optimization.
Single-axis: follow the day
Single-axis systems typically improve energy production by rotating the array along one axis as the sun moves across the sky. They offer an attractive balance between increased yield and mechanical simplicity — but one axis still leaves seasonal elevation unresolved.
Dual-axis: follow the day and the season
Dual-axis tracking adjusts the panel plane in two dimensions, enabling the system to respond to east-west solar movement, changing solar elevation, and seasonal shifts in sun angle.
When dual-axis makes the most sense
- Available land is limited
- Maximizing energy per panel is important
- The site is at a higher latitude
- Winter production matters
- The terrain makes long uniform rows difficult
- Grading costs are significant
- The installation serves a high-value load
- Structural durability can justify a premium tracker
Honest comparison
| Characteristic | Fixed Tilt | Single Axis | Dual Axis / MaxxTraxx |
|---|---|---|---|
| Mechanical simplicity | Highest | Medium | Lowest |
| Energy capture potential | Baseline | Higher | Highest |
| Seasonal elevation tracking | No | Usually no | Yes |
| Terrain flexibility | Varies | Often row-dependent | Potentially high |
| Wind engineering complexity | Lower | Moderate | Higher |
| Best fit | Cost/simple sites | Utility-scale rows | Premium/high-yield/specialized sites |