4 Sharp 175's bought in 2009 for $898.00/ea $5.13/w
2 Sharp 175's bought in 2011 for $498.00/ea $2.85/w
24 Sharp 240's bought in 2012 for $337.00/ea $1.40/w
The reason I went with Sharp was they were Made in the USA, Memphis, TN to be precise. My complete array best day performance was a tie at 48 kWh on 2/17/17 and 4/15/19. The 175's use Enphase Inverters, the 240's use a Sunny Boy 5000. By my subjective math, our array is 75.964% paid back and I can't tell that they've lost any power output.
Price is always a factor. Your solar panels are going to be with you for a very long time, don't let the price of your solar panels control the entire decision.
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