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# The U.S. Wind Turbine Database

The United States Wind Turbine Database (USWTDB) provides the locations of land-based and offshore wind turbines in the United States, corresponding wind project information, and turbine technical specifications. The creation of this database was jointly funded by the U.S. Department of Energy (DOE) Wind Energy Technologies Office (WETO) via the Lawrence Berkeley National Laboratory (LBNL) Electricity Markets and Policy Group, the U.S. Geological Survey (USGS) Energy Resources Program, and the American Clean Power Association (ACP). The database is being continuously updated through collaboration among LBNL, USGS, and ACP. Wind turbine records are collected and compiled from various public and private sources, digitized or position-verified from aerial imagery, and quality checked. Technical specifications for turbines are obtained directly from project developers and turbine manufacturers, or they are based on data obtained from public sources.

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### About the Database

In 2016, USGS, LBNL, and the American Wind Energy Association (AWEA, the predecessor of ACP) began collaborating on development of the USWTDB. Their goal was to create a joint product that would be more comprehensive and accurate than their individual wind turbine data sets. Federal agencies began using these combined data in April 2017, and in April 2018 the data were released to the public via this portal.

These data are used by government agencies, scientists, private companies, and citizens for a variety of analyses. Examples include operational impact assessments of turbines on air defense radar, weather and general aviation, analyses related to the role of wind energy in the U.S. electric grid, interactions between wind energy facilities and wildlife, and investments in wind energy infrastructure.

The data were created by combining publicly available data sets from the Federal Aviation Administration (FAA), USGS WindFarm data from a prior effort, online sources, and data privately held by ACP and LBNL. The locations of all turbines were visually verified to within 10 meters using high-resolution imagery. Technical specifications of the turbines are based on the make and model and other information collected.

With the release of this public version, we hope researchers and other interested parties around the world will use the data to further their efforts. If you have feedback or want to let us know how you are using the data, send us a note.

### New in the Latest Version

The USWTDB Viewer, created by the USGS Energy Resources Program, lets you visualize, inspect, interact, and download the most current USWTDB through a dynamic web application. The USWTDB Viewer replaces an earlier web application called WindFarm and includes many enhancements made based on comments and suggestions from WindFarm users. Data-driven styling and expanded filtering capabilities make accessing the USWTDB information easier and quicker than ever. Get started with our quick start video. Your feedback continues to be important to us so don't hesitate to let us know what you'd like to see in future releases.

### Latest Database Release

###### Version: USWTDB_V7_1_20240814  -                          Changelog | Detailed memo & codebook | Informative Webinar

The latest release includes data on 74,833 turbines covering 45 states (plus Guam and PR). The most recent turbines added to the USWTDB became operational as recently as the first quarter of 2024, with a few from the second quarter of 2024. The oldest turbines in the data set were installed prior to 1990. USWTDB releases generally lag installations by one quarter to allow for merging of the various datasets, visual verification, and quality control. See more details on the release.

Join the USWTDB mailing list to receive news about future updates and changes.

##### Suggested Citation

The suggested citation for use in academic papers and otherwise where applicable is as follows:Hoen, B.D., Diffendorfer, J.E., Rand, J.T., Kramer, L.A., Garrity, C.P., and Hunt, H.E., 2018, United States Wind Turbine Database v7.1 (August 14, 2024): U.S. Geological Survey, American Clean Power Association, and Lawrence Berkeley National Laboratory data release, https://doi.org/10.5066/F7TX3DN0.

##### License and Attribution

Map services and data downloaded from the U.S. Wind Turbine Database are free and in the public domain. There are no restrictions; however, we request that the following acknowledgment statement be included in products and data derived from our map services when citing, copying, or reprinting: "Map services and data are available from U.S. Wind Turbine Database, provided by the U.S. Geological Survey, American Clean Power Association, and Lawrence Berkeley National Laboratory via https://eerscmap.usgs.gov/uswtdb".

##### Disclaimer

Although this digital spatial database has been subjected to rigorous review and is substantially complete, it is released on the condition that neither the USGS, LBNL, ACP nor the United States Government nor any agency thereof, nor any employees thereof, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information contained within the database.

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Christopher Garrity