Wind Maps and Resource Assessment
NC Wind Maps
NC Power Class Map @ 50 meters (PDF)
GIS Data
- GIS Data: Link to Transmission
We purchase transmission data from Platts. Looks to be pretty complete. Included voltage data, etc. - GIS Data: Link to NC One Map
Many up-to-date shape files are available for download from this repository maintained by the NC Geographic Information Coordinating Council - GIS Data: Important Bird Areas (ZIP)
Shape file of Important Bird Areas (IBA) in NC from the Audubon Society - GIS Data: Spruce-Fir Habitat (ZIP)
Shape file of Spruce-Fir Habitats from the Southern Appalachian Man and the Biosphere (SAMAB) project
NC Wind Maps
- NC Wind Maps from AWS Truewind
AWS Truewind created the NC wind maps for the NC State Energy Office. For the GIS files, contact our office for a CD. - 1980 NC Average Annual Wind Speed Map
The original map from the Wind Energy Resource Atlas of the United States
- WNC wind map showing exclusions and transmission (PDF)
Presentation showing WNC wind resources, transmission lines and exclusion zones.
US Wind Maps
- Windpowering America US windmaps
- United State Average Annual Wind Speed Map
- Northwestern U.S. Wind Mapping Project
- Wind Energy Resource Atlas of the United States
Other State Wind Maps
- AWS windmaps of the US states
- Wind Explorer Interactive Wind Map
So far, interactive wind maps are available for NY, NJ, and OH.
Wind Resource Assessments
- Computer Modeling Wind Resources (PDF)
This article explains modern computer modeling techniques, accuracy, and applications for wind resource assessment. - Wind Resource Assessment Handbook (PDF)
This NREL document describes all aspects of conducting wind measurement studies.
County Wind Maps (PDFs)
- Alleghany
- Ashe
- Avery
- Buncombe
- Burke
- Caldwell
- Cherokee Reservation
- Cherokee
- Clay
- Graham
- Haywood
- Henderson
- Jackson
- Macon
- Madison
- McDowell
- Mitchell
- Polk
- Rutherford
- Surry
- Swain
- Transylvania
- Watauga
- Wilkes
- Yancey
County Wind Maps (PDFs)
- Western NC Wind Power Classes at 50M
- Best Western NC Wind Power Classes at 50M
- Map of the WNC Counties


