‘Free Energy’ from the Sun Keeps Getting Cheaper

99.99% Price Drop!

Solar panels on a roof in Pennsylvania

From $76 per watt in 1977, the cost of silicon solar cells has fallen to $0.20 per watt in 2020 (full story)

With the recent 2-year extension of the US Investment Tax Credit (ITC) for installing residential solar systems, your reasons to add solar energy to your home just keep getting better!
Bob
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