Power plant · Idaho, United States

American Falls Power Plant

American Falls Power Plant is an idle hydroelectric power plant in Idaho, United States, with 92.4 MW of capacity, owned by Idaho Power.

Grid connection

It is idle (standby or backup), holding a 92 MW grid connection at 138 kV to the grid of Idaho Power.

Retiring power plants in the United States

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

Fact	Value	Source
Location	Idaho	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Status	Idle (standby or backup)	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year	1978	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	Idaho Power	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Operator	Idaho Power	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity	92.4 MW	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Technology	Conventional Hydroelectric	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Grid operator	Idaho Power	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Voltage	138 kV	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates	42.7778, -112.8764	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026

Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.

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How it compares

American Falls is the 3rd-largest of 3 power plants in Idaho and the 955th-largest of 1,009 in the United States by capacity; its 92.4 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.

Within	Rank	Total	Share
Idaho	3rd of 3	1,232 MW	7.5%
United States	955th of 1,009	917,512 MW	<0.1%
All power plants in our data	2,696th of 15,800	1,923,633 MW	<0.1%

Nearby

Within 50 km of this power plant: 1,688 water rights, measured from the coordinates in the facts above. The table shows the nearest 3.

Name	Kind	Size	Status	Distance
Snake River water right 1-10382	Water right	—	—	0.1 km
Snake River water right 1-10383	Water right	—	—	0.1 km
Snake River water right 1-10531	Water right	—	—	0.1 km

Owner, operator, grid operator and place

Other power plants in Idaho

Brownlee675 MW
Dworshak465 MW
Blacks Creek Solar400 MW · permitted
Arco Wind and Solar Project359 MW · permitted
Crimson Orchard Solar and BESS200 MW · planned
Boise Bench BESS150 MW · under construction
Pleasant Valley Solar 2 Project125 MW · under construction

All 8 power plants in Idaho, United States

Data on this page

Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
Idaho Department of Water Resources water right points of diversion. Idaho Department of Water Resources water right points of diversion, Terms not verified.
JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
Wikidata. Wikidata, CC0 1.0.