Why Tesla Solar Power Is So Cheap — Elon Musk Tells Us

Last weekend, I wrote an article about the fact that the cost of solar power has dropped significantly in recent years. I started off by looking at the average price of solar PV panels alone, which were 12 time more expensive in 2010 and 459 times more expensive in 1977 than they are today. (I know — going back to 1977 was unnecessary. But it was fun.) After looking at solar PV panel prices . . .

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