Re: Pipestone
- From: "Martin Riddle" <martinriddle@xxxxxxxxxxx>
- Date: Thu, 07 Jul 2005 23:29:52 GMT
But how much do the farmers get for leasing the land for the turbines?
Impressive stuff in any.
"Aubrey McIntosh, Ph.D." <newsposter@xxxxxxxxxxxxxxxxxxxxxx> wrote in message news:11cqh10fismtkb2@xxxxxxxxxxxxxxxxxxxxx
> I just drove through Pipestone, Mn. It was after dark, and I came
> across a red light on the horizon, like an isolated small airport. Then
> more. Then they ran from horizon to horizon. There was some type of
> huge installation that I had not known anything about.
>
> On the way back, from curiosity, I drove back through in the daytime.
> These appear to be Zond Z-750 windmills. I drove on gravel roads for 30
> miles, taking pictures. There is a swath mile wide, that has more
> windmills than I will give a number for.
>
> I have put a brief annotation and some of the photos at
> http://aubrey.vima.austin.tx.us/pipestone.html
>
> I googled for "Pipestone wind farm" and read a bit. If I comprehended
> correctly, these are Zond Z-750 (750Kw) units. There is information
> dated about 2000 that Enron bought Zond, and the installed price of the
> units went from $1.00/watt to $1.25/watt. The design life is 30 years,
> and the utilization factor at this location is about 23%.
>
> Check my numbers for some decimal mismanagement here. Thirty (30) years
> is about 946,728,000 seconds, or 262,980 hours. This gives an ideal
> energy output of 197,235,000 Kwhr, or accounting for the utilization
> factor, 45,364,050 Kwhr. At $0.06/Kw-hr this gives $2,721,843 of
> electricity.
>
> By happenstance I saw some blades on the ground outside a manufacturing
> facility on I-35 just south of the Texas border, and I saw a nacelle
> loaded on a truck just north of Ft. Worth, both on the return drive from
> the same trip. Perhaps this means the manufacturer is nearby.
>
> (Jim, that exotic color is all over Minnesota. I don't think Garrison
> Keillor has ever mentioned it. They call it "green.")
>
>
.
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