LQD: Ireland to become lead wind energy exporting country? | 118 comments (118 topical, editorial, 0 hidden)

Re: National average windfarm capacity factors (none / 1)

I got the 2010 data into Excel - but I don't think it helps to get to the capacity factor.

by afew (afew(a in a circle)eurotrib_dot_com) on Thu Jun 23rd, 2011 at 02:29:20 PM EST
[ Parent ]

Re: National average windfarm capacity factors (none / 0)

I was more trying to establish was there a secular downward trend which might validate the very low 23% Capacity factor for 2010, and whether the trend for 2011 was upwards of that.

Index of Frank's Diaries

by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Thu Jun 23rd, 2011 at 02:38:43 PM EST
[ Parent ]

Re: National average windfarm capacity factors (none / 1)

Can you make monthly sums? Here you can find end-of-month installed power capacity data from April 2010, monthly capacity factors can be approximated with less uncertainty than annual ones.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Thu Jun 23rd, 2011 at 03:17:00 PM EST
[ Parent ]

Re: National average windfarm capacity factors (4.00 / 2)

Well, it's not MW/h. And the sum is huge. The mean over the month is more like it. So, for April 2010, with an installed capacity of 1308 MW, average production was 239 MW, which (with a few ifs) would correspond to a capacity factor of 18.3%.

by afew (afew(a in a circle)eurotrib_dot_com) on Thu Jun 23rd, 2011 at 04:13:51 PM EST
[ Parent ]

Re: National average windfarm capacity factors (4.00 / 3)

This compares monthly average generation (from Eirgrid data) with capacity as per the pdf you link to.

The colour schemes has nothing to do with the Irish flag, just my fear we may be comparing apples with oranges.

by afew (afew(a in a circle)eurotrib_dot_com) on Thu Jun 23rd, 2011 at 05:37:43 PM EST
[ Parent ]

Re: National average windfarm capacity factors (none / 0)

Excellent work! I don't see any sign of declining output there - I suspect the production trend line would be slightly upward. My visual guess would be the average capacity factor is about 25% - higher than that given for 2010, but still below the average of previous years. Can you confirm?

Index of Frank's Diaries

by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Thu Jun 23rd, 2011 at 06:24:35 PM EST
[ Parent ]

Re: National average windfarm capacity factors (4.00 / 3)

IF these are the relevant generation figures to the capacity figures, the percentage varies from 14.6% (June 2010) to 35.6% (Feb 2011), with an average of 23% and a rising trend.

But I'll try to get a longer view if I have time.

by afew (afew(a in a circle)eurotrib_dot_com) on Fri Jun 24th, 2011 at 04:32:40 AM EST
[ Parent ]

Re: National average windfarm capacity factors (none / 0)

The wind generation page at Eirgrid seems currently unobtainable.

by afew (afew(a in a circle)eurotrib_dot_com) on Fri Jun 24th, 2011 at 08:56:21 AM EST
[ Parent ]

Re: National average windfarm capacity factors (none / 0)

Probably storm damage - it's pissing rain here at the mo!

Index of Frank's Diaries

by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Fri Jun 24th, 2011 at 08:59:06 AM EST
[ Parent ]

LQD: Ireland to become lead wind energy exporting country? | 118 comments (118 topical, 0 editorial, 0 hidden)

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