Must-See Chart: Cost Of PV Cells Has Dropped An Amazing 99% Since 1977, Bringing Solar Power To Grid Parity

price-of-solar-power-drop-graphby Joe Romm
10/6/2013 – The price of solar photovoltaic cells has dropped 99% in the past quarter century. So in an increasing number of markets around the country, solar is at or very close to grid parity.

Consider Colorado. The Denver Business Journal reported last month the results of months-long competitive bidding process:

Xcel Energy Inc. is proposing to triple the amount of utility-scale solar power on its grid in Colorado, and add another 450 megawatts of wind power….

If approved, the plan would cut Xcel’s carbon dioxide emissions by more than one-third compared to 2005 levels.

Read the whole article: ClimateProgress

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