31 Dec '11, 6am

Progression of US Cities Reaching Solar Grid Parity

This timeline includes no government subsidies in the calculations. It uses a baseine cost of solar power in 2011 at $4.00 per watt, installed. Using the average residential grid supplied electricity price for each metro area, it makes the two assumptions based on present trends to determine when the price of solar drops below grid: the cost of solar decreases by 7% per year, and the grid electricity price increases by 2% per year.

Full article: http://www.ecogeek.org/solar-power/3671-progression-of-us...

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