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Library >> Renewable Energy Resource Maps >> North America >> Hydropower >> USA

Hydroenergy Potential in the USA

Low head/low power water energy sites in the conterminous United States

The map shows 20 hydrologic regions. The Alaska Region (see extra map for Alaska as well as for Hawaii) contains the largest total potential with its slightly less than 90,000 MW of potential, which is approximately 30% of the total power potential of the United States.
The Pacific Northwest Region has the second highest amount of total potential with slightly more than 76,000 MW of potential. Together these two regions contain over half (55%) of the U.S. power potential.

From the perspective of the largest percentage of total power potential that has been developed, the Great Lakes Region (66%) and the Tennessee Region (37%) are particularly noteworthy with the next highest regions being the Lower Colorado (23%), Pacific Northwest (22%), South Atlantic-Gulf (21%), and California (17%).

The remaining 14 regions range in developed percentages from 15% to Alaska’s less than 1%. A little over half of the regions (12 out of 20) have developed power percentages less than the national average of 12%.

The percentage for the United States as a whole is just slightly less than 60%. The total annual mean power density for the United States is slightly more than 80 kW/sq mi, which corresponds to an average energy density of approximately 2,000 kWh/sq mi/day.

for more detailed information:

Renewable Potential Maps (EIA)

Renewable Potential Maps present an integrated picture of renewable energy resources in each U.S. Census Division. Solar, geothermal, and wind energy potentials and indicators of hydroelectric and biomass energy potentials (fuelwood harvested, rivers, and precipitation) are presented.

The Renewable Potential Map series includes maps of each of the nine U.S. Census Divisions and individual State maps of Alaska, California, and Hawaii.

Regions/ States

Alaska | California | New England | East North Central Division | East South Central Division | Hawaii | Middle Atlantic | Mountain Division | Pacific Division | South Atlantic | West North Central Division | West South Central Division

Alaska | Alabama | Arizona | Arkansas | California | Connecticut | Colorado | Delaware | Florida | Georgia | Hawaii | Idaho | Illinois | Indiana | Kansas | Kentucky | Louisiana | Maine | Maryland | Massachusetts | Michigan | Minnesota | Mississippi | Missouri | Montana | Nebraska | Nevada | New Hampshire | New Jersey | New Mexico | New York | North Carolina | North Dakota | Ohio | Oklahoma | Oregon | Pennsylvania | Rhode Island | South Carolina | South Dakota | Tennessee | Texas | Washington | Wisconsin | Wyoming | Utah | Vermont | Virginia | West Virginia

Related GENI Resources
Definition Hydropower
Current Articles on Renewable Energy Resources and Transmission
National Energy Grid Maps
EERE Hydropower
NREL Hydropower
American Renewable Energy (US)
Information for any State

Updated: 2016/06/30

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