Ground mount solar racking system

Zilla® Helical Pier ground mount systems include helical pier anchors with adapters, pre-fabricated trusses, cross rails, and module attachments with integrated grounding. No additional racking material required.
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Complete Packages Ready for Modules
Zilla® helical piers provide a fast and secure foundation for your ground mount solar mounting system.

Our pre-fabricated truss system requires minimal field assembly while cross rails with module attachments and integrated grounding allow for rapid installation of modules. Together, Zilla® helical piers, prefabricated trusses, and cross rail system with integrated grounding provide a simple 3-step ground mount installation that is faster, safer and stronger — at less cost.

View the interactive Zilla® Ground Mount Guide Book.


  • Available in S, M, L, XL and XXL (we have a size for everyone)
  • Standard design includes two rows of modules in portrait orientation at 30 degrees
  • Compatible with 60 or 72 cell modules in frame sizes from 26-54 mm  (please specify when ordering)
  • Complete packages include helical pier anchors with adaptors, prefabricated trusses, cross rails, and module attachments with integrated grounding


  • Can easily be configured for concrete, post in concrete, or ballast foundation types
  • Inverter mounting hardware available upon request
  • Wire management hardware available upon request
  • Custom designs available upon request

Helical Pier Anchor:

Part No.: ZH20

Size: 0812 - 8" diameter.

Dimensions: 2” Dia shaft, 8” Dia blade;

Available in standard nominal lengths of 48”, 60”, or 72”

Material: GS - Galvanized Steel

Weight: 4 ft Length: 10.7 lbs; 5 ft Length: 12.4 lbs; 6 ft Length: 14.1 lbs

Finish: MF - Mill

Helical Pier Adapter:

Part No.: ZH20-ADP

Material: GS - Galvanized Steel

Size: 10"L x 2.75"W x 6"H

Weight: 2 lbs each

Finish: MF - Mill

Requires Helical Pier Drive Shank to install.

Helical Pier Installation

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*One or more patents apply to this product including without limitation: US Pat. 8,448,405; 8,479,455; 8,661,765; 8,689,517; 8,707,654; 8,707,655; 8,752,338; 8,833,032; 8,833,033; 8,869,490; 9,068,339; 9,106,023; 9,473,064; D415,847; D617,174; D636,656; D639,143; and/or D639,144.


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