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Technology Development

The SST Dish and CPV design was inspired by previous CPV experience, and more recent solar dish development under a multimillion dollar private R&D program for a larger scale “dish turbine” development. That solar dish project was halted due to US utility market changes. In the current global market a substantial opportunity exists for integration of CPV and thermal energy which leverages much of that development, with higher efficiency from CPV, low cost potential, and greater deployment versatility.

SST has completed the basic R&D and proof of concept test of Dish with CPV and heat removal. It is now making and testing demonstration units, and preparing for next-gen design and manufacturing improvements.

solar dish benefits

The technology incorporated in the SST CPV module and dish system includes:

  • High-density CPV module design. Uses state-of-the-art materials and processes as used in high-power modules for electric vehicles and power converters
  • Ability to operate with non-uniform concentrated light. This allows CPV to be used with conventional mirror collectors. Other CPV designs are unable to do so.
  • Durable glass optic, using borosilicate glass or quartz, both known for durability in harsh conditions
  • Proprietary liquid cooling “coldplate” design, using leak-proof friction stir welding.
  • Mirror panel design. Materials-weight efficient, and versatile enough to be made in low quantity without high capital investment. Pathway to low cost high volume production
  • Advanced electronics control and data management system. Linux-based for high capability and reliability.
  • Includes internet operation. Sunsensor correction of tracking errors.
  • Integrated DC-DC power conversion. Includes remote control and real-time data collection. Integrated “maximum power tracking” which dynamically adjusts for changes in ambient conditions including temperature and sunlight
  • Potential for integrated low cost DC-AC conversion
  • Optical design methods developed at SST to facilitate the custom design of CPV-mirror arrays for different dish and tower applications
  • Patent applied for in the US. Substantial opportunity for new patent applications in regions around the world
  • High product content that can be manufactured in a local market. Steel structures, motor/drive actuators and mirror panels together are the majority of the product cost.
  • Market entry cost target of under $3000/kW, with potential to cost well under $2000/kW at mature production of under 100 MW per year.

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Southwest Solar Technology

Developing new high efficiency concentrated solar energy products including advanced Concentrating Photovoltaic (CPV) modules, Solar Dish Systems, SST CPV Modules and 54 M2 Solar Dishes. Southwest Solar Technologies harnesses solar energy through cutting edge technology to increase energy value for commercial and industrial industries in Arizona.

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Solar Products and Services

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Concentrator Photovoltaics

Several HCPVT system providers, including Southwest Solar Technology, listed on Worldwide Wikipedia Concentrator Photovoltaics reference page.

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820 W Fairmont Dr., Tempe, AZ 85282
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