Disclaimer. After nearly 40 years managing money for some of the largest life offices and investment managers in the world, I think I have something to offer. These days I'm retired, and I can't by law give you advice. While I do make mistakes, I try hard to do my analysis thoroughly, and to make sure my data are correct (old habits die hard!) Also, don't ask me why I called it "Volewica". It's too late, now.

BTW, clicking on most charts will produce the original-sized, i.e., bigger version.

Sunday, June 8, 2014

Wind Turbine Prices

A more or less continuous slide over the last 30 years.  My calcs give me a 5% per annum compound decline in cost, not the 14% shown on the chart, although that is not against time  but against (I assume) installed capacity (hence the note below the chart of 'learning rate').

This is not as fast as the fall in PV cell costs (+-18% per annum) but still means that costs have fallen 75% in 28 years.

Via ThinkProgress

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