2015 NHAAP Energy Dataset Version 1.0 (v1): By State, HUC2, & HUC4

*Please Note: Data are preliminary and subject to further review and revision.

These data are geospatial extracts of ORNL's 2015 Existing Hydropower Assets Assessment that are summarized to state, regional, and subregional geospatial aggregation units and include information on U.S. hydropower and pumped storage plants that are licensed, exempt, or active but awaiting relicensing. Our products are provided in GIS and tabular file formats and include the following files:

  • State Summary Shapefile
  • Region Summary Shapefile
  • Subregion Summary Shapefile
  • Excel File (HUC-2, HUC-4, & State Summaries)

[Citation] Samu, N.M., S.-C. Kao, and P.W. O'Connor (2016). 2015 NHAAP Energy Dataset Version 1.0 (v1). Oak Ridge National Laboratory, available at: http://nhaap.ornl.gov, accessed online: [Month, date, year.]

Which file should I use?

Data Best For... File Format Metadata Release
State Summary Shapefile Designed for use in GIS and includes information summarized by state. Attributes include total hydropower capacity, average generation, and the total number of existing plants that are currently active; data are summarized in terms of hydropower, pumped storage, and number of plants by ownership. Zipped (.zip) Shapefile (.shp) HTML 2016
Region Summary Shapefile Designed for use in GIS and includes information summarized by Watershed Boundary Dataset (WBD) region (i.e. 2-digit Hydrologic Unit Code or HUC-2). Attributes include total hydropower capacity, average generation, and the total number of existing plants that are currently active; data are summarized in terms of hydropower, pumped storage, and number of plants by ownership. Zipped (.zip) Shapefile (.shp) HTML 2016
Subregion Summary Shapefile Designed for use in GIS and includes information summarized by WBD subregion (i.e. 4-digit Hydrologic Unit Code or HUC-4). Attributes include total hydropower capacity, average generation, and the total number of existing plants that are currently active; data are summarized in terms of hydropower, pumped storage, and number of plants by ownership. Zipped (.zip) Shapefile (.shp) HTML 2016
Excel File (HUC-2, HUC-4, & State Summaries) This is a tabular file of summarized information by state, HUC-2, and HUC-4. Data may be used with or without GIS. Attributes include total hydropower capacity, average generation, and the total number of existing plants that are currently active; data are summarized in terms of hydropower, pumped storage, and number of plants by ownership. Zipped (.zip) Excel (.xlsx) file Excel 2016