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MINIMAN10001 t1_iy2srgk wrote on November 28, 2022 at 8:43 AM

Reply to comment by DaveInDigital in News Release: NREL Creates Highest Efficiency 1-Sun Solar Cell - 39.5% efficiency by TimeSpentWasting

Yes they are crazy expensive, but as it turns out redoing the roof is also super expensive, so when you're doing it anyways, that's when it evens out.