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Resource

Sunmetrix Residential Grid Parity Solar Map (USA)

Click on your state to see if solar costs out for you

Sunmetrix provides this interactive map to show grid parity for all states in the US.

Grid parity, also called socket parity, is a measurement that compares the levelized cost of solar electricity with the cost of residential retail electricity. When grid parity is reached, it becomes more economical for you to install solar panels on your roof rather than purchasing power from your utility company.