Power plant · Mississippi, United States

Grand Gulf Power Plant

Grand Gulf Power Plant is a nuclear power plant in Mississippi, United States, with 1,440 MW of capacity, owned by System Energy Resources, Inc (90%) and Cooperative Energy (10%).

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	Mississippi	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Status	Operating	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year	1985	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	System Energy Resources, Inc (90%)	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	Cooperative Energy (10%)	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Operator	System Energy Resources, Inc	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity	1,440 MW	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Technology	Nuclear	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Grid operator	Entergy Mississippi LLC	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Voltage	500 kV	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates	32.0081, -91.0478	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

Grand Gulf is the 2nd-largest of 16 power plants in Mississippi and the 152nd-largest of 885 in the United States by capacity; its 1,440 MW is 0.17% of the 856,654 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
Mississippi	2nd of 16	14,292 MW	10%
United States	152nd of 885	856,654 MW	0.17%
All power plants in our data	216th of 12,230	1,691,896 MW	<0.1%

Nearby

Within 50 km of this power plant: 1 mine, measured from the coordinates in the facts above.

Name	Kind	Size	Status	Distance
Gravel Girlz	Mine	—	Operating	49 km

Owners, operator, grid operator and place

System Energy Resources, IncOwner · 90%
Cooperative EnergyOwner · 10%
System Energy Resources, IncOperator
Entergy Mississippi LLCGrid operator
Power plants in Mississippi, United States31
Power plants in the United States1,844
Nuclear power plants in the US60
The United States: country profile
Largest power plants

Other power plants in Mississippi

All 31 power plants in Mississippi, 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.
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.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
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.