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Wind Data
The available datasets are 50-meter height state-level and regional coverages and 25-kilometer national coverage. Please note that a 50-meter height national coverage is not available. We do not have data or contacts for Alabama, Florida, Louisiana or Mississippi. If you have questions, please contact the Webmaster.
State and national 30-meter and 80-meter height high-resolution wind data used in the maps located at the Wind Powering America website can be purchased from AWS TruePower
High Resolution (50-meter height above surface)
These datasets are geographic shapefiles generated from the original raster data. The original raster data varied in resolution from 200-meter to 1000-meter cell sizes. The data provide an estimate of annual average wind resource for specific states or regions. The data are separated into two distinct groups: NREL produced, and AWS Truepower produced/NREL validated. To learn more, please see Wind Data Details.
The NREL-produced map data only applies to areas of low surface roughness (i.e. grassy plains), and excludes areas with slopes greater than 20%. For areas of high surface roughness (i.e. forests), the values shown may need to be reduced by one or more power classes. The TrueWind-produced resource estimates factor in surface roughness in their calculations, and do not exclude areas with slopes greater than 20%. These data were produced in cooperation with U.S. Department of Energy's Wind Powering America program, and have been validated by NREL and other wind energy meteorological consultants. To download state wind resource maps, visit the Wind Powering America Web site.
Geographic coordinate system name: GCS_WGS_1984
| Coverage | File Size | Last Updated | Metadata |
|---|---|---|---|
| Alaska Wind High Resolution | (Zip 187.3 MB) | 04/25/2012 | Alaska.xml |
| Arizona Wind High Resolution | (Zip 14.3 MB) | 03/09/2009 | Arizona.htm |
| Arkansas Wind High Resolution | (Zip 2.3 MB) | 05/18/2012 | Arkansas.htm |
| California Wind High Resolution | (Zip 29.2 MB) | 05/18/2012 | California.htm |
| Colorado Wind High resolution | (Zip 16.2 MB) | 02/25/2009 | Colorado.htm |
| Connecticut Wind High Resolution | (Zip 1.1 MB) | 03/02/2009 | Connecticut.htm |
| Georgia Wind High Resolution | (Zip 1.4 MB) | 05/11/2012 | Georgia.htm |
| Hawaii Wind High Resolution | (Zip 2.0 MB) | 05/04/2009 | Hawaii.htm |
| Illinois Wind High Resolution | (Zip 790 KB) | 02/05/2009 | Illinois.htm |
| Indiana Wind High Resolution | (Zip 2.7 MB) | 03/02/2009 | Indiana.htm |
| Iowa Wind High Resolution | (Zip 2.2 MB) | 05/21/2012 | Iowa.htm |
| Kansas Wind High Resolution | (Zip 11.5 MB) | 11/23/2009 | Kansas.htm |
| Kentucky Wind High Resolution | (Zip 1.8 MB) | 02/25/2009 | Kentucky.htm |
| Maine Wind High Resolution | (Zip 6.4 MB) | 03/02/2009 | Maine.htm |
| Massachusetts Wind High Resolution | (Zip 2.6 MB) | 03/02/2009 | Massachusetts.htm |
| Michigan Wind High Resolution | (Zip 11.6 MB) | 03/02/2009 | Michigan.htm |
| Mid-Atlantic Regional Wind High Resolution (includes Delaware, Maryland, New Jersey, North Carolina, Pennsylvania, Virginia, West Virginia and the District of Columbia) | (Zip 17.5 MB) | 05/21/2012 | Mid Atlantic Regional.htm |
| Minnesota Wind High Resolution | (Zip 1.9 MB) | 11/17/2011 | Minnesota.htm |
| Missouri Wind High Resolution | (Zip 9.8 MB) | 03/02/2009 | Missouri.htm |
| Nebraska Wind High Resolution | (Zip 18.3 MB) | 02/23/2009 | Nebraska.htm |
| Nevada Wind High Resolution | (Zip 16.7 MB) | 05/18/2012 | Nevada.htm |
| New England Regional Wind High Resolution (includes Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont) | (Zip 3.2 MB) | 09/30/2010 | New England Regional.htm |
| New Hampshire Wind High Resolution | (Zip 2.2 MB) | 03/02/2009 | New Hampshire.htm |
| New Mexico Wind High Resolution | (Zip 24.6 MB) | 05/18/2012 | New Mexico.htm |
| New York Wind High Resolution | (Zip 3.3 MB) | 05/22/2012 | New York.htm |
| North and South Dakota Wind High Resolution | (Zip 2.3 MB) | 03/17/2009 | North and South Dakota.htm |
| Ohio Wind High Resolution | (Zip 3.2 MB) | 03/02/2009 | Ohio.htm |
| Oklahoma Wind High Resolution | (Zip 11.0 MB) | 06/04/2009 | Oklahoma.htm |
| Pacific Northwest Regional Wind High Resolution (includes Idaho, Montana, Oregon, Washington and Wyoming) | (Zip 53.7 MB) | 01/24/2011 | Pacific Northwest Regional.htm |
| Puerto Rico and Virgin Islands Wind High Resolution | (Zip 117 KB) | 04/01/2009 | Puerto Rico and Virgin Islands.htm |
| Rhode Island Wind High Resolution | (Zip 623 KB) | 02/20/2009 | Rhode Island.htm |
| South Carolina Wind High Resolution | (Zip 1.5 MB) | 05/18/2012 | South Carolina.htm | Tennessee Wind High Resolution | (Zip 321 KB) | 03/02/2009 | Tennessee.htm |
| Texas Wind High Resolution | (Zip 321 KB) | 10/14/2010 | Texas.htm | Utah Wind High Resolution | (Zip 16.4 MB) | 05/18/2012 | Utah.htm |
| Vermont Wind High Resolution | (Zip 2.2 MB) | 05/18/2012 | Vermont.htm |
| Wisconsin Wind High Resolution | (Zip 2.8 MB) | 11/17/2011 | Wisconsin.htm |
High Resolution Offshore (90-meter height above surface)
Annual average offshore wind speed at a 90-meter height.
Geographic coordinate system name: GCS_WGS_1984
| Coverage | File Size | Last Updated | Metadata |
|---|---|---|---|
| Atlantic Coast 90m Windspeed Offshore Wind High Resolution | (Zip 19.7. MB) | 12/21/2010 | Atlantic Coast.htm |
| Great Lakes 90m Windspeed Offshore Wind High Resolution | (Zip 11.8 MB) | 08/23/2010 | Great Lakes.htm |
| Gulf of Mexico 90m Windspeed Offshore Wind High Resolution | (Zip 4.8 MB) | 08/23/2010 | Gulf of Mexico.htm |
| Hawaii 90m Windspeed Offshore Wind High Resolution | (Zip 4.2 MB) | 08/23/2010 | Hawaii.htm |
| Pacific Coast 90m Windspeed Offshore Wind High Resolution | (Zip 9.4 MB) | 08/23/2010 | Pacific Coast.htm |
Low Resolution (25-kilometer grid cell resolution)
Description: Annual average wind resource potential for the United States (low resolution). Represents wind power class at 50-m height above surface.
Projection: Geographic coordinate system name: GCS_WGS_1984
| Coverage | File Size | Last Updated | Metadata |
|---|---|---|---|
| Alaska Wind Low Resolution | (Zip 311 KB) | 04/11/2011 | Alaska.htm |
| Hawaii Wind Low Resolution | (Zip 28 KB) | 04/11/2011 | Hawaii.htm |
| Lower 48 Wind Low Resolution | (Zip 459 KB) | 04/11/2011 | Lower 48.htm |
Note - These datasets are designed to be used in GIS software applications.
Western Wind Dataset
The Western Wind Dataset provides energy professionals with a consistent set of wind profiles across the western United States. This dataset provides 10-minute time-series wind data for 2004, 2005 and 2006. More than 30,000 data points are available across the western United States.
Eastern Wind Dataset
The Eastern Wind Dataset provides energy professionals with a consistent set of wind profiles for the eastern United States. This dataset provides 10-minute time-series wind data for 2004, 2005, and 2006. More than 1,326 simulated wind farms data points are available across the eastern United States.
For more information on wind resources, access the resource maps page on the Wind Resource Assessment site.
If you have difficulty accessing this data because of a disability, please contact the Webmaster.
