Prism Solar and PPG Industries Partner to Test Performance of Anti-Reflective Glass in Standard and Holographic Solar Modules
Prism Solar Technologies and PPG Industries have partnered on a project to test the performance of different types of glass in both standard and holographic photovoltaic (PV) modules at various incident and direct angles. The test will compare PPG’s Solarphire® AR high-transmissive glass to patterned glass to determine the increase in energy yield.
“Prism Solar is particularly interested in this project because Prism’s holographic modules are designed to accept high levels of incident light, resulting in 25% more kWh per peak watt on average” said Glenn Rosenberg, Prism Solar’s Chief Technology Officer. “It will be very interesting to see the additional boost in performance that results from coupling holograms with PPG’s anti-reflective glass product.”
Prism Solar will be characterizing the performance of PPG’s anti-reflective glass and patterned glass to determine the increased energy yield in relation to angular performance. By measuring energy yield from a series of modules characterized to be equivalent in terms of peak watt rating, it will be possible to determine the added value of anti-reflective properties for mono-facial modules as well as bi-facial Holographic Planar Concentrator modules. Test arrays with tilt angles from 0° to 90° will be explored to provide data on a full range of possible array tilt angles.
Increasing the energy yield of PV modules offers numerous advantages on the system level by reducing the number of peak watts needed to produce a given number of kWhs. The more kWhs generated per peak watt means a lower levelized-cost-of-energy (LCOE, or $/Wh) through reduced capital expenditure and a reduction in operation and maintenance costs for the system. Prism Solar is focused on producing PV modules with the highest energy yield per peak watt coupled with low cost.
This collaboration with PPG is one more step in enhancing the performance of PV modules by bringing PPGs strong science and engineering skills with glass and coatings to bear on the bright future of solar energy.
ABOUT PPG — Pittsburgh-based PPG is a global supplier of paints, coatings, optical products, specialty materials, chemicals, glass and fiber glass. The company has more than 140 manufacturing facilities and equity affiliates and operates in more than 60 countries. Sales in 2009 were $12.2 billion. PPG shares are traded on the New York Stock Exchange (symbol: PPG). For more information, visit ppg.com.
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Companies | February 10, 2010