Total megawatts of U.S. nuclear capacity offline right now (units in outages plus reduced power).
1,005
MW Offline
Percentage of total fleet capacity currently online and generating power.
99%
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).
1
Units Offline
Units operating between 1-99% power (excluding known startups or coastdowns).
3
Reduced Power
Units nearing the end of their fuel cycle, gradually lowering power before an outage.
2
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.
11
Breaker-to-Breaker
Nuclear NewsNEW Blue Energy, GE Vernova take gas-plus-nuclear collaboration to next stageBlue Energy and GE Vernova Hitachi have initiated the next phase of development for a 2.5 GW power plant in Victoria, Texas. The project plans to integrate GE Vernova gas turbines with five BWRX-300 small modular reactors to supply electricity to a data center. Engineering, licensing, and safety analysis will proceed ahead of a final investment decision scheduled for 2027. Blue Energy and GE Vernova Hitachi Nuclear Energy have signed the agreement launching the next phase of their collaboration to deploy a 2.5 GW gas-plus-nuclear power plant in Texas. ; In May, Blue Energy - a vertically integrated deployment platform for financeable, turnkey nuclear power plants compatible with leading reactor technology - announced it was joining up with GE Vernova Hitachi Nuclear Energy (GVH) to collabo...
Nuclear NewsNEW Copper endures 2,595°F in US nuclear fusion reactor material test, defies earlier modelsCopper beats 2,595°F to defy earlier models in US fusion reactor test Researchers at the SLAC National Accelerator Laboratory observed copper melting gradually under extreme heat, contradicting previous computer models that predicted an instantaneous collapse. By using high-speed electron imaging to track atomic movements, the team identified that dynamic pressure allows the material to retain structural order past its theoretical superheating limit. These findings will improve predictive modeling for materials used in fusion reactor components exposed to intense thermal spikes. SLAC researche...
Nuclear NewsNEW Cleanup work progresses with pump removal at Hanford Tank FarmsContractor Hanford Tank Waste Operations and Closure successfully removed a 10-ton mixer pump from Tank SY-101 at the Hanford Site. The team utilized the Hercules hydraulic lift system to extract the equipment, which was originally installed in 1993 to manage hydrogen buildup. This operation clears the tank for the future installation of waste retrieval equipment as part of ongoing site cleanup efforts. The Department of Energy’s Office of Environmental Management reports that workers at the Hanford Site, near Richland, Wash., have performed a technically complex operation to remove a large legacy mixer pump from Tank SY-101 in the 200 West Area. The removal allows for the future installation of tank waste retrieval equipment as part of the next… A short video on the Hanford Site’s YouTube channel shows aspects of the operation, including the pump being lifted out of the tank with a specially designed hydraulic lift system named Hercules. A massive legacy mixer pump is removed from a waste storage tank at the Hanford Site with the Hercules hydraulic lift system. (Photo: DOE) Hanford...
Nuclear NewsNEW Inertial Confinement Fusion Is Key to America’s Nuclear DeterrentThe United States faces increasing pressure to modernize its Inertial Confinement Fusion (ICF) capabilities to maintain a credible nuclear deterrent. While the U.S. currently leads in ICF research, China is rapidly expanding its own infrastructure and investing billions into laser and pulsed-power facilities to accelerate its nuclear weapons development. ICF serves as a core component of stockpile stewardship, allowing for the simulation of nuclear conditions without underground explosive testing. For the nuclear industry, this shift highlights a need to integrate national laboratory expertise...
Nuclear NewsNEW St. Lucie Nuclear Power Plant Unit 1 manually shut down after 3 control rods drop into reactor coreOperators manually tripped Unit 1 at 100 percent power on August 13, 2026, following the insertion of three control rods into the reactor core. The plant was stabilized in Mode 3, and all systems responded as expected during the shutdown. The unit has since returned to full power operation, and the event remained classified as a non-emergency by the Nuclear Regulatory Commission. Saint Lucie Nuclear Power Plant Unit 1 was manually shut down Aug. 13 after 3 control rods dropped into the core. The NRC classified it as a non-emergency. Unit 1 at the St. Lucie Nuclear Power Plant was manually shut...
Nuclear NewsNEW New measurement of diamond phase change could mean increased ICF energy gainResearchers at Lawrence Livermore National Laboratory have resolved a long-standing discrepancy regarding the melting temperature of diamond under extreme pressure. By utilizing X-ray diffraction at the University of Rochester, the team successfully measured diamond phase changes during laser-driven compression. These results align experimental data with theoretical models for the first time. This refined understanding of diamond behavior directly impacts inertial confinement fusion experiments at the National Ignition Facility. Diamond capsules currently hold deuterium-tritium fuel, but uneve...
Outage NewsNEW Saint Lucie 1 trips offline, unscheduled outage underwaySaint Lucie 1 began an unscheduled forced short outage on August 14, 2026. This event ended a streak of 635 days without an unscheduled outage at the 981-MW Combustion Engineering pressurized water reactor. This forced outage is the first for the unit in 2026, following a year in 2025 with zero forced outages. Florida Power and Light operates this unit along with three other nuclear units in the United States. Across the industry, 94 units are currently operating at a 97.8 percent capacity factor, with Saint Lucie 1 and Monticello as the only two units in unscheduled outages. The next planned refueling for Saint Lucie 1 is expected next spring. FT. PIERCE, FL. Saint Lucie 1 entered an unscheduled outage on Aug 14, 2026 . The NRC has not yet issued an event notification for this trip; a fol...
Outage NewsMonticello trips offline, unscheduled outage underwayMonticello entered an unscheduled forced short outage on August 10, 2026, ending a 130-day streak of outage-free operation. This event marks the second forced outage for the 617-MW General Electric BWR/3 unit during the 2026 calendar year. The unit, which has been in commercial operation since 1971, recorded four forced outages throughout 2025. Northern States Power Co - Minnesota operates this facility along with two other U.S. nuclear units. Across the industry today, 94 units are maintaining a 97.9 percent capacity factor, with this unit currently representing the only facility in an unsche...
Outage NewsRiver Bend 1 trips offline, unscheduled outage underwayRiver Bend 1 began an unscheduled forced short outage on August 1, 2026. This event ended a streak of 256 days of operation without an unscheduled outage at the 968-MW General Electric BWR/6 facility. The unit has recorded one forced outage so far in 2026, compared to four forced outages during the 2025 calendar year. Entergy Louisiana operates this unit and one other nuclear unit in the United States. Across the industry, the current fleet capacity factor is 98.6 percent among 94 units, with one unit currently in an unscheduled outage and zero units in refueling. The facility has been in comm...
Site NewsEvery Outage Finally Has a NameEvery Outage Finally Has a Name If you have worked an outage, you know it has a name. Nobody at the tool crib says "the spring outage at Catawba." They say C1R28 . It is on the badge, on the schedule, on the coffee cup somebody had printed.For years, right here on NukeWorker, every one of those outages was a date range and a colored bar. "Catawba 1, March 2026." Technically true. Totally soulless. That bugged me. So we went and got the names. The hunt Here is the thing nobody tells you: there is no master list. Nowhere can you download a tidy file where some kind soul has written down that Turkey Point 3's spring outage was TP3-35 and Surry 2's was EOC33 . What there is: tens of thousands of NRC inspection reports , licensee event reports, and utility letters, scanned and OCR'd and scatter...
Radiation SafetyKyle HillGreat post, Marlin! I wasn't aware this change was getting YouTube traction lol. Thanks for the link.
Radiation SafetyRadiation Protection AIthose that have a chatgpt subscription. Another great tool for RCT's, Rad Engineers or CHP's









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