Total megawatts of U.S. nuclear capacity offline right now (units in outages plus reduced power).
6,947
MW Offline
Percentage of total fleet capacity currently online and generating power.
92.8%
Fleet Online
Refueling outages scheduled for this season. Each one is a hiring window.
24
Fall 2026 Outages
Units currently at 0% power (likely in an outage or shutdown).
6
Units Offline
Units operating between 1-99% power (excluding known startups or coastdowns).
1
Reduced Power
Units nearing the end of their fuel cycle, gradually lowering power before an outage.
4
Coastdown
Units increasing power following an outage or scram.
0
Starting Up
Units on a qualifying Breaker-to-Breaker run: continuous operation exceeding their cycle-adjusted threshold with no trips to 0% power.
10
Breaker-to-Breaker
History & TriviaNEW This Hidden City In Tennessee Held One Of The World’s Most Closely-Guarded SecretsOak Ridge, Tennessee transformed rapidly from a rural farming town into a massive, classified site for the Manhattan Project during World War II. Thousands of workers labored in secrecy to produce material for the atomic weapons that ultimately brought an end to the global conflict. The historic site established strict security protocols and massive industrial infrastructure that laid the groundwork for modern nuclear research facilities. Today, the location preserves its wartime heritage while continuing to contribute to advancements in science, technology, and energy research within the nuclear sector. Oak Ridge Tennessee, is a massive secret hidden city that once held the location that built the first atom bomb that ended WWII. Government conspiracies, cover-ups, and secret military ope...
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Core ContentGeneralShift Test Engineer Career PathsI am doing my Shift Test Engineer initial qualification at a public shipyard. I'm going to complete my STE qualification but I have some doubts as to whether I am going to stay at this shipyard long-term. If after completing my initial qualification, I decide to go to a different shipyard, will I take my STE qualification with me and only have to cross-qualify to my new yard' platform(s) or will I be starting from scratch initial qualifying again?If I decide to go the commercial route, what are good departments for former STEs besides operations?
roggy22
roggy22Nuclear SoftwareLooking for Rados softwareUpdate: I found out that Mirion bought Rados. I called Mirion and they informed me that they have discontinued the model and software. I haven't had any luck by reaching out to third parties.You're my only hope Obi-Wan :)achathaway
achathaway
Nuclear NewsNEW RFK Jr. takes step toward electromagnetic radiation rulesThe Department of Health and Human Services is seeking public feedback on the health effects of electromagnetic fields and radiofrequency radiation. HHS Secretary Robert F. Kennedy Jr. announced the initiative to identify research gaps and update federal policy guidance regarding wireless technology exposure. The project could create regulatory friction with the Federal Communications Commission, which maintains that current exposure limits remain safe and scientifically sound. Health and Human Services Secretary Robert F. Kennedy Jr. took the first step toward implementing regulations or health warnings for cellphones, wifi, and other technologies based on fringe concerns that electromagnetic radiation could cause health problems. Kennedy and his department are asking for public feedback...Core Content
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Nuclear NewsNEW Massachusetts blocks Holtec from discharging Pilgrim waterThe Massachusetts Department of Environmental Protection dismissed Holtec International's appeal to discharge up to 1.1 million gallons of treated wastewater from the shuttered Pilgrim nuclear site into Cape Cod Bay. State regulators upheld their previous denial under the Ocean Sanctuaries Act, creating potential delays for the ongoing decommissioning project. Holtec is currently reviewing remaining options, which may include further legal appeals or transporting the water out of state. In 2024, the Massachusetts Department of Environmental Protection (MassDEP) denied Holtec International’s ap...Core Content
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Nuclear NewsNEW SOAR event connects Knott County residents with nuclear energy jobsThe Shaping Our Appalachian Region organization hosted an employment event in Knott County to connect local trade workers with positions in the nuclear sector. Representatives noted that companies frequently recruit from the area due to the reliability and experience of former coal miners and construction personnel. These roles often require traveling to various domestic and international nuclear facilities. Eastern Kentuckians with a strong background in trades such as coal mining and construction met with career-readiness professionals Thursday afternoon to explore positions in nuclear energ...Core Content
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Outage NewsNEW FitzPatrick begins Fall 2026 refueling outageFitzPatrick began a routine refueling outage on September 14, 2026, aligning exactly with its published schedule. The unit entered this maintenance period after completing 100 percent of its typical 729-day operating cycle and maintaining an unscheduled-outage-free streak of 720 days. The scheduled duration for this refueling outage is 17 days, which is shorter than the unit's 28.3-day average across 13 prior refuels. FitzPatrick, an 853-MW General Electric BWR/4 operated by Constellation Nuclear, recorded a 99.7 percent capacity factor during its 2025 cycle. Across the U.S. fleet, 94 units are currently operating at a 92.4 percent capacity factor, with five units in refueling outages and one in an unscheduled outage. LYCOMING, NY. Refueling activities began at FitzPatrick on Sep 14, 2026...Core Content
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Outage NewsNEW Vogtle 2 begins Fall 2026 refueling outageGeorgia Power began a routine refueling outage at Vogtle 2 on September 13, 2026. The 1,152-MW Westinghouse pressurized water reactor entered the maintenance window exactly on its scheduled start date with a planned 43-day duration. Going into this event, the unit maintained an 813-day unscheduled-outage-free streak and had completed roughly 97 percent of its typical 547-day operating cycle. Georgia Power operates five other nuclear units, while the broader U.S. fleet operates at a 92.4 percent capacity factor with six total reactors currently offline. Vogtle 2 recorded a 92 percent capacity f...Core Content
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Outage NewsNEW Browns Ferry 1 begins Fall 2026 refueling outageBrowns Ferry 1 began a routine refueling outage on September 12, 2026, starting one day later than the scheduled September 11 date. The 1,256-MW General Electric BWR/4 entered the break after completing about 98 percent of its typical 726-day operating cycle. Operated by the Tennessee Valley Authority, the unit entered the refueling outage following an unscheduled-outage-free streak of 142 days and a 2025 capacity factor of 97.8 percent. The historical average for this unit is 32.7 days across nine prior refuels. Across the broader U.S. fleet, capacity factor stands at 92.4 percent for 94 unit...Core Content
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