System Energy Resource Incorporated's 1,401-megawatt (MW) Grand Gulf 01 unit at its Grand Gulf Nuclear Power Station in Mississippi is operating at 90% while secondary containment is inoperable due to surveillance testing.
Site-wide Scheduled Maintenance for April 12, 2025, between 9 A.M. - 9 P.M. CST. During this time, all services will be unavailable periodically throughout the scheduled maintenance window.
