Talk:Southwest Windpower

Energy Low‑importance

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United States: Arizona Low‑importance

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Numerically inaccurate claim

This claim from the article does not add up:

"Andrew Kruse estimates that one SkyStream will produce about 100 MWh of energy over its 20-year design life. At a typical total installed cost of $15,000, that gives an average energy cost of 9 cents per kilowatthour."

Checking the math:

${\frac {\$15,000}{100,000{\mbox{kWh}}}}=\$0.15/{\mbox{kWh}}$

Thus even before we consider the time value of money, the nominal cost of electricity generated is 15 cents per kWh, higher than the 9 cents claimed. If the claim by Kruse includes the effect of Renewable energy credits, the article should clarify that. Unfortunately the reference for this claim contains no URL. In fact the reference quotes Kruse as assuming an installed cost of $9000. I may look at cleaning this up later. --Teratornis (talk) 23:56, 3 May 2010 (UTC)[reply]

They are going out of business

http://azdailysun.com/news/local/last-days-for-local-turbines/article_31662958-c28d-5af4-99ee-8f0e6f19f595.html 108.132.13.149 (talk) 02:12, 27 March 2013 (UTC)David[reply]