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Solaria STS – Optimized Tracking SystemsSolaria offers optimized system solutions to provide the best performance and lowest cost across a wide variety of site location and conditions. The Solaria STS tracking system is a ground mounted system designed for large commercial and utility customers that combines solar modules, trackers and expert design services to deliver one of the lowest levelized cost of electricity (LCOE) on the market. The Solaria STS-HZ is a ground-mounted, horizontal single-axis tracker that enhances PV energy production while reducing design, installation and operating costs. It answers the call for cost-effective, clean energy generation at utility scale. The STS-HZ tracker’s smart use of materials, ease of procurement, installation, and engineered reliability makes it a highly robust and cost-effective choice to maximize the ROI of solar project. Simple, Modular DesignThe STS-HZ features innovative use of pre-fabricated assemblies and standardized off-the-shelf parts. The STS-HZ design features the lowest weight (kg/MW) among trackers of its kind. The design of the STS-HZ is modular, with only 3 part numbers for multiple pre-defined wind configurations. This eliminates the high costs and logistical difficulties of custom parts and improves quality and performance. Low Installation CostsThe STS-HZ’s optimized torque tube design reduces the required number of piers/foundations by 25-40% compared to other trackers. This significantly lowers both material and installation costs and accelerates the project schedule. The tracker design allows for a generous pier placement tolerance, while a riveted clamping system means no torque wrenches or other special tools are required. Built-in alignment guides, a low fastener count, and quick-connect assembly and wiring features (i.e., pre-fitted wiring harnesses) further simplify the construction process. This reduces time , cost, and risk during the installation process. Value EngineeringIndependently-driven rows (versus driveshaft-linked rows typically used in other single axis horizontal trackers) offer greater flexibility in system layout. Rows can be of any length and can be offset with respect to one another, enabling better utilization of irregularly shaped plots. For example, 20% more power can be incorporated onto a diamond-shaped site using the STS-HZ versus a tracker with perpendicular row linkages. The STS-HZ’s unblocked rows also eliminate the need for East/West access roads, further enhancing land use. Reliability & PerformanceThe STS-HZ is engineered from the ground up for long-term reliability and performance. Its unique balanced design, with the weight of the modules perfectly balanced on the pivot point, dramatically reduces loads on the drive system. This means less wear and tear on drive gears as well as lower motor power consumption. An optimized torque tube design eliminates helical twist along rows, improving accuracy. A wide range of motion coupled with customizable backtracking algorithms ensures maximum performance, resulting in 2-3% higher energy yield compared to other system designs. The tracker control electronics easily integrate with existing DAS/SCADA systems for ongoing performance monitoring. Distributed control and actuation allows for greater reliability and uptime. Targeted maintenance and cleaning can be performed without disabling the whole installation. Industry-Leading ExpertiseSolaria’s highly experienced team provides exceptional value throughout the design and construction phases, helping to reduce execution risk and achieve a successful project completion:
Solaria STS Trackers
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STS-HZ Horizontal Tracker for c-Si Modules The Solaria STS-HZ Horizontal tracker is a ground mounted system specifically designed for large commercial and utility scale projects. The tracking system supports standard crystalline modules, including 60 and 72 cell modules with 1000V maximum system voltage to improve system performance, and reduce balance of system costs. [Specs...] |
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STS-AZ AzimuthTracking System The Solaria STS-AZ Azimuth Tracking System is a single vertical-axis tracking system that features high energy yield, and low installation and operating costs. Each tracker is equipped with 20 Solaria modules, and up to 150 trackers are supported by one controller. [Specs...] |
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Timelapse Videos
| Horizontal Tracker Timelapse | Azimuth Tracker Timelapse |
Solaria STS-HZ Horizontal Tracker Benefits
Up to 30% Higher Energy Yield |
Proven higher energy yield than conventional fixed tilt systems. |
rapid installation |
Easy mechanical installation with no field welding required. |
Low Installation Costs |
Low profile design uses less structural steel and foundation materials, significantly reducing costs and environmental impacts. |
optimized system performance |
Tracking algorithms and array layout optimized for maximum energy yield at each site location by design support team. |
Low Operating Costs |
Maintenance-free drive unit, small number of moving parts, and weather-resistant materials significantly reduce system operating expenses. |
Robust Construction |
Steel construction developed and patented for high stresses. Covered by a 10-year warranty with a 20 year option. |
durable drive unit |
Drive unit proven to operate with high reliability in harsh industrial environments. Extremely low loads on drive system due to unique balanced system.. |
sophisticated Control system |
Maximum uptime and performance with error-free calculations of sun position, positioning management to minimize soiling, and real-time diagnostics and monitoring at individual tracker level. |
Solaria STS-AZ Azimuth Tracker Benefits
Up to 30% Higher Energy Yield |
Proven higher energy yield than conventional fixed tilt and horizontal tracking systems. |
Optimized System Performance |
Array layout optimized for site location and maximum energy yield by design support team. |
Low Installation Costs |
Single vertical post per tracker means that system can be installed on uneven terrain, significantly reducing site preparation costs. |
Complete Stability |
Structurally certified to withstand wind loads of 90 mph (145 km/h) in all directions; no wind stowing required. |
Maintenance-free, Robust Drive Unit |
Drive unit designed for heavy loads and proven in an industrial environment. Covered by 5-year warranty with a 10 year option. |
Robust Construction |
Steel construction developed and patented for high stresses. Covered by a 10-year warranty with a 20 year option. |
Rapid Installation |
Easy mechanical installation with no field welding required. |
Intelligent Control Equipment |
Autonomous controller means 100% control precision. Only one controller required for every 750kW for greater reliability. |
Design Services
| Preliminary System Design |  |
Energy Yield Optimization |
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BOS Cost
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Solaria’s experienced team, with a track record that extends worldwide and includes many of the largest tracking PV installations ever built, is involved with every Solaria STS installation to ensure a successful project. This process starts with a location-based system performance estimate. The next step is an array layout that is optimized to the site and energy production requirements. Cost guidance and functional specifications for the balance of system are then developed. Finally, onsite installation oversight ensures that the system achieves maximum energy production.
Design services included with the Solaria STS Tracking System:
- Energy yield report, using PVSyst and/or Solaria’s proprietary simulation software.
- Preliminary array layout optimized to the site and energy production requirements.
- AutoCAD DWG files of the array based on aerial imagery and preliminary site information
- Foundation design guidance based upon site soil conditions and topography
- Performance monitoring equipment guidelines
- Capex costing guidance for the balance of system
- Onsite technical support during installation
icon.For more information, contact our sales department via the form on our contact page.
