Solar Now Costs 6¢ Per Kilowatt-hour, Beating Government Goal by 3 Years

Megan Geuss – Ars Technica:

On Tuesday, the Department of Energy (DOE) announced that utility-grade solar panels have hit cost targets set for 2020, three years ahead of schedule. Those targets reflect around $1 per watt and 6¢ per kilowatt-hour in Kansas City, the department’s mid-range yardstick for solar panel cost per unit of energy produced (New York is considered the high-cost end, and Phoenix, Arizona, which has much more sunlight than most other major cities in the country, reflects the low-cost end).

Those prices don’t include an Investment Tax Credit (ITC), which makes solar panels even cheaper. The Energy Department said that the cost per watt was assessed in terms of total installed system costs for developers. That means the number is based on “the sales price paid to the installer; therefore, it includes profit in the cost of the hardware,” according to a department presentation (PDF).

This is great news. Solar has come a long way in the last decade, and there’s so much more efficiency to be wrung out of panels, transmission networks, and properties ripe for re-use.

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