USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Port Gibson, MS · EIA plant 6072

Grand Gulf

Grand Gulf is a nuclear power facility in Port Gibson, MS, with 1,440 MW of operating capacity.

Open on mapView MS profileOpen EIA source
Operating capacity1,440 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySystem Energy Resources, IncEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Nuclear1,440 MW
ProposedNo proposed capacity reported
Reported technologiesNuclear

Nearby in MS

Related facilities

MS · 20.4 miVicksburg Advanced Power Station819 MW →MS · 23.6 miERDC3 MW →MS · 27.5 miErgon Refining Vicksburg5 MW →MS · 39.4 miInternational Paper Vicksburg Mill51 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source