| Company | Model | Materials | Tilt Angle | Foundation Options | Grounding | Maximum Grade of Terrain | Certifications | Warranty |
|---|---|---|---|---|---|---|---|---|
| AP Alternatives | Advanced Modular | Galvanized Steel | 5-45 degrees | Helical Anchors, ballasted | Included with system | 30% | UL 2703 | 25 Years |
| AP Alternatives, LLC | MOD FS | Galvanized Steel | 5-45 degrees | Helical Anchors, ballasted | Included with system | 30% | UL 2703 | 25 Years |
| AP Alternatives, LLC | READY RACK | Galvanized Steel | 5-45 degrees | Helical Anchors, ballasted | Included with system | 30% | 25 Years | |
| Array Technologies, Inc. | DuraRack AT | Corrosion resistant high-strength steel & anodized aluminum | 0 - 60° adjustable tilt | 4 x 4" ID SCH40 steel pipe1 x 5" ID SCH40 steel pipe | Grounding supplied by ATI | 1-2% | None | 10 year limited |
| Array Technologies, Inc. | DuraRack SP(Single-pole fixed-tilt system) | Power coated high-strength steel & anodized aluminum, Galvanized steel optional | Manually set at 0, 15, 30, 45 or 60° during install | 1 x 8" ID SCH80 steel pipe | Customer installed WEEB or Lugs | Unlimited | None | 10 year limited |
| Baja Construction Co. Inc. | Baja Ground Mount | Galvanized Steel | 0-25 | Embedded/Driven | Integrated | 2' Depending on Column Type | UL467 Components | 1 Yr. Workmanship |
| DCE Solar | CAP-RACK | G 135 Steel | ten to thirty | Ballasted | Integrated | 0.05 | UL 467 | 20 Years |
| Everest Solar Systems | CrossRail Ground Mount System | Aluminum, Stainless Steel | 20 to 35 | Cast In Place Concrete | Integrated | 0-5% | Rails and clamps are UL 2703 Listed | 20 year |
| GameChange Solar | Max-Span™ Plus | Galvanized Steel | 5 to 35 degree | Integrated | ETL/UL 2703, CPP Wind Tunnel | 20 Years | ||
| GameChange Solar | Precast Ballasted Ground | Galvanized Steel | 5 to 35 degree | Integrated | 10% | ETL/UL 2703, CPP Wind Tunnel | 20 Years | |
| GameChange Solar | Pour-in-Place Ballasted Ground System | Galvanized steel | 5 to 35 degree | ballasted | star washer | 0.2 | ETL/UL 2703, CPP wind tunnel | 20 year |
| GameChange Solar | Max-Span Post System | Galvanized steel | 5 to 35 degree | driven pile, screw, helical pile | star washer | 0.3 | ETL/UL 2703, CPP wind tunnel | 20 year |
| HST SOLAR | HRACK Ballasted | GALVANIZED STEEL | 0-40 | Ballasted | Integrated | 0-5 deg | UL2703 | 20 YRS |
| HST SOLAR | HRACK Pile Driven | GALVANIZED STEEL | 0-40 | Pile Driven | Integrated | All | UL2703 | 20 YRS |
| IronRidge | Ground Mount System | Annodized 6000-series aluminum, stainless steel and galvanized Schedule 40 pipe or Allied Mechanical Tubing | 0 to 45 | Concrete, driven pile, helical pile, ballasted | WEEB | Flexible | PE Certified | 20 years |
| Mounting Systems | Sigma Steel | zinc magnesium coated cold rolled steel | 5-45 | driven pile, groundscrew, cast in concrete, ballast, helical pile | Integrated | ±10° East-West / ±35° North-South | UL 2703 | 10 years, longer upon request |
| Mounting Systems | Sigma II+ | aluminum | 20-30 | driven pile, groundscrew, cast in concrete, ballast, helical pile | Integrated | ±10° East-West / ±35° North-South | 10 years, longer upon request | |
| Mounting Systems | Sigma I XL | aluminum | 20,25,30,35 | driven pile, post in pier | Integrated | ±10° East-West / ±35° North-South | 10 years, longer upon request | |
| Mounting Systems, Inc. | Sigma Pure | Aluminum & Stainless Steel | 20, 25, 30, 35 | 2 in. Schedule 40 galvanized pipe with either concrete piers or earth screws | Integrated | ±3° East-West | Structural PE Certified | 10 Years |
| Nuance Energy | Osprey PowerPlatform | Galvanized Cold Roll Form Steel, Recycled US Steel | 15°-30° | Earth Anchor Foundation System | WEEB | 12° with Standard Adjustable Anchor Stands | ETL/UL 2703 - 2012 IBC | 25 Year Materials / 10 Year Workmanship |
| Nuance Energy | Osprey PowerPlatform | Galvanized Cold Roll Form Steel, Recycled US Steel | 15�-30� | Earth Anchor Foundation System | WEEB | 12� with Standard Adjustable Anchor Stands | ETL/UL 2703 - 2012 IBC | 25 Year Materials / 10 Year Workmanship |
| Nuance Energy Group, Inc. | Osprey PowerPlatform | Cold roll form steel, Recycled U.S. Steel, Power Tool Adjustable Legs/Posts | 15° - 30° | Earth Anchor; Optional Cement Pads (not required) | WEEB | 12° | Patent Pending | 25YR Product;10Yr Workmanship |
| Orion Solar Racking | Jupiter I | Aluminum Rails, Steel Caps, 2" Schedule 40 pipes | 0 to 45. Higher tilts available upon request | Direct Burial, Concrete Footing | Integrated | Any Grade of Terrain Can be accomodated | UL 1702 & 2703, Structural PE Certified | 15 Years |
| Orion Solar Racking | Jupiter II | High-Strength Galvanized Steel | 5 to 30 | Driven pile, Direct Burial, Ballasted, Concrete Footing | Integrated | Varies by array configuration | UL Listed Components, Structural PE Certified | 15 Years |
| Orion Solar Racking | Jupiter III | High-Strength Galvanized Steel | 5 to 30 | Driven pile, Direct Burial, Concrete Footing | Integrated | Varies by array configuration | UL Listed Components, Structural PE Certified | 15 Years |
| PanelClaw, Inc. | Panda Bear | G90 or Aluminum | 10, 20, 30 | ballasted (CMU blocks) | UL 2703 listed for grounding and bonding, Boundary Layer wind tunnel tested | 12% grade max (7 degrees) | UL 2703 certified for grounding and bonding | 10 years extendable |
| Patriot Solar Group | Delta 2 High Ballasted Ground Mount | Galvanized Steel | 5° - 40° | Concrete Ballast Block | NS = 20° / EW = 5° | 20 Years | ||
| Patriot Solar Group | Atlas 2 - High Post Driven Ground Mount | Galvanized Steel | 5° - 40° | Pile Driven | EW = 5° | 20 Years | ||
| Polar Racking | PRU (1 Portrait - Ballasted) | Galvanized Steel | 15-35 | Ballasted (Pre Cast & Pour-In-Place) | Integrated | 3 degrees ground slope | UL2703 | 10 and 20 Years |
| Polar Racking | PRU (2 Portrait - Single Post) | Galvanized Steel | 15-35 | Driven Pile, Ground Screw | Integrated | 3 degrees ground slope | UL2703 | 10 and 20 Years |
| Polar Racking | PRU (2 Portrait - Dual Post) | Galvanized Steel | 15-35 | Driven Pile, Ground Screw | Integrated | 3 degrees ground slope | UL2703 | 10 and 20 Years |
| Polar Racking | PRU (4 Landscape - Single Post) | Galvanized Steel | 15-35 | Driven Pile, Ground Screw | Integrated | 3 degrees ground slope | UL2703 | 10 and 20 Years |
| Polar Racking | PRU (4 Landscape - Dual Post) | Galvanized Steel | 15-35 | Driven Pile, Ground Screw | Integrated | 3 degrees ground slope | UL2703 | 10 and 20 Years |
| PV Racking | PV Ground | Aluminum and galvanized steel | 0 - 50 | Driven pile, helical pier, ground screw, concrete, ballast | 15 years | |||
| RBI Solar, Inc. | GM-2 | Steel | 5 - 45 degrees | Driven Post (Cee or W-Shaped), Concrete Piers, Concrete Ballasts, Dual Posts, Pre-Drill/Drive, Spread Footing | Integrated | 15% max for continuous rows, up to 30% for tabled design | ETL Classified to UL 2703 | 20 years |
| Schletter Group | PvMax | Aluminum | 15-35 | Concrete Ballast ground mount system | Grounding with Schletter's Rapid5K clamps. | East-West slope of 3 degrees | Conforms to UL 2703; Certified to ULC/ORD Std C1703 | 20 year limited warranty |
| Schletter Group | FS Uno | Galvanized Steel | 15-35 | Pile Driven | Grounding with Schletter's Rapid5K clamps. | For East-West slopes greater than 5° contact your Schletter representative. | Conforms to UL SUB 27031; Certified to ULC/ ORD Std C1703 (Ed. 1) | 20 year limited warranty |
| Schletter Group | G-Max | Galvanized Steel | 10-35 degrees | Pile Driven | Grounding with Schletter's Rapid5K clamps. | For East-West slopes greater than 5.7 degrees contact your Schletter rep. Racks can be designed for slopes up to 40 degrees. | UL 2703 certification pending | 20 year limited warranty |
| SFlex, Inc | S:FLEX Ballasted Ground Mount System - South | Aluminum with stainless steel hardware. | 10° module tilt and a 12" ground clearance. | The system is completely ballasted with optional anchors were required. | Integrated grounding options are available. | Maximum terrain slope up to 15°. | Meets or exceeds IBC 2009/2012/2015, CBC 2016, ASCE 7-05/7-10, Aluminum Design Manual 2015. Compliant in all North American jurisdictions. UL 2703 | 25 year limited product warranty. |
| SFlex, Inc | S:FLEX Ballasted Ground Mount System - East West | Aluminum with stainless steel hardware. | 10° module tilt and a 12" ground clearance | The system is completely ballasted with optional anchors were required. | Integrated grounding options are available | Maximum terrain slope up to 15° | Meets or exceeds IBC 2009/2012/2015, CBC 2016, ASCE 7-05/7-10, Aluminum Design Manual 2015. Compliant in all North American jurisdictions. UL 2703 | 25 year limited product warranty. |
| SFlex, Inc | S:FLEX Two - Post Aluminum Ground Mount System | Galvanized steel, aluminum with stainless steel hardware. | Up to ±45° adjustable in North-South direction | Galvanized steel driven Post, Post embedded in concrete, Post with base plate, H-Post embedded in concrete, above ground ballast and ground screw/helical pier | Integrated grounding options are available | Maximum terrain slope tilt: ±6° East-West/ ±45° North- South | Meets or exceeds IBC 2009/2012/2015, CBC 2016, ASCE 7-05/7-10, Aluminum Design Manual 2015. Compliant in all North American jurisdictions. UL 2703 | 10 year limited product warranty. Extended warranty upon request |
| SFlex, Inc | S:FLEX One - Post Steel Ground Mount System | Galvanized steel, aluminum with stainless steel hardware. | Up to ±45° adjustable in North-South direction | Galvanized steel driven Post, Post embedded in concrete, Post with base plate, H-Post embedded in concrete, above ground ballast and ground screw/helical pier | Integrated grounding options are available | Maximum terrain slope tilt: ±6° East-West/ ±45° North- South | Meets or exceeds IBC 2009/2012/2015, CBC 2016, ASCE 7-05/7-10, Aluminum Design Manual 2015. Compliant in all North American jurisdictions. UL 2703 | 10 year limited product warranty. Extended warranty upon request |
| SnapNrack Solar Mounting Solutions | 200 UL | Anodized aluminum and stainless steel hardware, mounted on top of galvanized pipe substructure | 0 to 45 degrees | Concrete Pier, Concrete Grade Beam, Flange Mount | Integrated | Up to 15% approved with standard footing depths | UL 2703 Listed for Grounding/Bonding and Mechanical Loading (Q1 2016); 50-state Structural Engineering | 10 yr |
| Solar FlexRack | FlexRack Series G3L-X | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | wide flange, round post, C-channel, helical, or any other custom post | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 20 years |
| Solar FlexRack | FlexRack Series G3P-X | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | wide flange, round post, C-channel, helical, or any other custom post | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 21 years |
| Solar FlexRack | FlexRack Series G3P | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | wide flange, round post, C-channel, helical, or any other custom post | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 22 years |
| Solar FlexRack | FlexRack Series G3L | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | wide flange, round post, C-channel, helical, or any other custom post | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 23 years |
| Solar FlexRack | FlexRack Series B-CIP | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | Cast-In-Place Concrete | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 24 years |
| Solar FlexRack | FlexRack Series B-PC | G90 Pre-galvanized steel standard. High galvinazations available for corrosive environments | Any | Pre-Cast Concrete | Fully bonded and conductive system. UL 2703 Approved | 20% slope E/W | UL 2703, ISO 9001 | 25 years |
| Solar SpeedRack Inc. | Solar GroundMount | Aluminum Mill Finish, Galvanized Steel and Stainless Steel | 0°-40°+ | Double Pile W6x7 I-Beam | Integrated | Various | PE Certifiedand UL467 | 10 Years Limited |
| Sollega | FastRack 510 | Ultramid (Glass reinforced Nylon) | 5°,10° | Ballasted | Integrated Grounding Mid-Clamp | 5° | UL 1703 | 25 years |
| SunModo | Hybrid Ground Mount System | Aluminum/Steel | 15 to 45 | post, auger or ballast | Self-Gounding | N/A | UL | 10-Year Limited |
| TerraSmart | TerraSmart TF2 | ASTM A 1011 Cold Rolled Steel, Hot Dip Galvanized to ASTM A 653 (G90 min) ASTM A 500 Hollow Structural Steel, Hot Dip Galvanized to ASTM A 123 (3.0 mils min) 316 Stainless Steel for all Module Mounting Hardware Carbon Steel Alloy, Mechanically Galvanized to ASTM F2833 for all Structural Hardware | 5 to 40 degrees | Ground screw | Integrated electrical bonding, Wire management incorporated in structure, NEC Compliant | East or West Facing: Up to 30%, North or South Facing Up to 36% | UL 2703, Edition 1; CPP Wind Tunnel Tested, NEC Compliant | 20-year limited warranty |
| Unirac | Ground Fixed Tilt (GFT) | Aluminum & Steel | 10-30 Deg. | C-Shape Pile - Driven or cast-in-place | Intregrated Bonding | 10%: East-West | UL2703 Bonding & Grounding certification | 20-Year Manufacturing Warranty |
| Zilla | Ground Mount (Residential and Small Commercial) | Galvanized Steel/Aluminum/Stainless Hardware | 30 Deg Standard, 0-90 Deg Available | Zilla Helical Piers, Concrete Piers, Concrete Slab and Ballasted | Integrated with Zilla Top Clip and Splice Bar | Depends on Design | ETL listed to UL 467 to provide module-to-module and module-to-rail grounding | 10 Year |
| Zilla | Ground Mount XL (Utility-Scale) | ASTM Certified Steel | 5-35 Deg Standard | Vibro-Pile and Concrete Pier | UL 2703 Approved | Depends on Design | UL 2703 | 20 Years |