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U.S. wind capacity factors – 2012 (preliminary)  

Author:  | Grid, Technology, U.S.

Source:  Form EIA-923, all wind energy facilities that submitted monthly reports for ALL of 2012.

Note that these are idealized figures, representing self-reports of only working turbines (i.e., not accounting for downtime for maintenance, repair, or accident). For example, according to the WIA’s annual data reports and averaging the installed capacities at the ends of 2011 and 2012, the overall capacity factor in the U.S. in 2012 was 30.4% rather than 31.8% as reported here. The difference likely varies by state.

Click here to download consolidated and optimized Excel spreadsheet of data for the 341 reporting facilities.

0.201 TN
0.202 AZ
0.231 VT
0.236 NY
0.239 WV
0.242 OH
0.243 ME
0.248 UT
0.249 CA
0.249 PA
0.259 OR
0.269 IN
0.271 WA
0.280 WI
0.294 IL
0.298 MD
0.311 MO
0.324 MI
0.330 HI
0.333 NM
0.337 CO
0.337 MN
0.337 TX
0.338 MT
0.341 ID
0.343 IA
0.352 WY
0.358 KS
0.389 ND
0.414 OK
0.428 NE
0.429 SD

0.318 US TOTAL

  Northeast

New England

ME 0.243
VT 0.231

Middle Atlantic

NY 0.236
PA 0.249

South

South Atlantic

MD 0.298
WV 0.239

East South Central

TN 0.201

West South Central

OK 0.414
TX 0.337

Midwest

East North Central

IL 0.294
IN 0.269
MI 0.324
OH 0.242
WI 0.280

West North Central

IA 0.343
KS 0.358
MN 0.337
MO 0.311
ND 0.389
NE 0.428
SD 0.429

West

Mountain

AZ 0.202
CO 0.337
ID 0.341
MT 0.338
NM 0.333
UT 0.248
WY 0.352

Pacific

CA 0.249
HI 0.330
OR 0.259
WA 0.271

Click here for the U.S. wind capacity factors for 2011.

This article is the work of the author(s) indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

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