08 Jun '11, 3pm

Efficiency Matters: SunPower Sets Efficiency Record With a 20% Module via @greentechmedia

As Shyam Mehta suggested in his recent piece of solar analysis : After manufacturing cost, efficiency is perhaps the most closely examined and easy available competitive metric. Module conversion efficiency is inversely proportional to area-related balance-of-system costs, such as land, substructure, racks, labor, and cables. SunPower (NASDAQ: SPWRA, SPWRB) just announced their newest solar panels with total area efficiencies of more than 20 percent. The 96-cell solar panels use SunPower's 22.4 percent efficient cells and boast a positive power tolerance rating. The prototype for the SunPower panel was developed using funds provided four years ago by the U.S. DOE under its Solar America Initiative. SunPower has been the heavyweight champion of the world when it comes to commercialized cell and module efficiencies for the last half-decade, and by some measure. The company's...

Full article: http://www.greentechmedia.com/articles/read/Efficiency-Ma...

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