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SolarCity dethrones SunPower with new most efficient rooftop panels

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Huh... the first article states that SolarCity is able to produce the panels this month, and Panasonic is able to do so only mid-to-end 2016. Meanwhile the second article stated that Panasonics prototype "can be immediately scaled into volume production."
Kinda makes a huge difference whether there is a year between the two releases or not. Either way, good to see that competition in this segment is alive and well.