Total megawatts of U.S. nuclear capacity offline right now (units in outages plus reduced power).
7,328
MW Offline
Percentage of total fleet capacity currently online and generating power.
92.4%
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).
3
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
Nuclear NewsNEW Nuclear fuel recycling could cut US waste storage from 100,000 years to hundreds300GW US nuclear push taps recycling to cut 100,000-year waste storage Argonne National Laboratory is developing fuel recycling technologies, including pyroprocessing, to support the United States goal of adding 300 gigawatts of nuclear capacity by 2050. These methods aim to reduce the demand for newly mined uranium and shorten radioactive waste storage requirements from hundreds of thousands of years to hundreds. Collaborations with private companies are moving these processes closer to commercial use. Fuel recycling could help support a 300 GW US nuclear expansion while reducing waste and demand for mined uranium. The US aims to add 300 gigawatts (GW) of nuclear capacity by 2050 and develop a nuclear fuel recycling strategy that could slash radioactive waste storage from thousands of yea...
Nuclear NewsNEW Radiation monitoring: ORNL builds sensors to detect nuclear material in fuel facilitiesORNL develops new sensor to detect nuclear material in fuel facilities Researchers at Oak Ridge National Laboratory created a compact radiation detector designed to monitor uranium dust buildup inside facility ventilation ducts. The device straps directly onto ductwork to provide continuous real-time data using inexpensive plastic scintillating crystals. This automated system replaces manual inspections, helping facilities lower monitoring costs while improving worker safety and material security. ORNL has developed a compact radiation detector for continuous, real-time monitoring of nuclear m...
Nuclear NewsNEW We’ve crossed the nuclear tipping pointAntares Nuclear achieved zero-power fueled criticality for a privately funded advanced reactor design. This milestone coincides with broad alignment among commercial power demand, federal regulatory reforms, and private capital. Multiple advanced reactor concepts plan to reach criticality over the coming months. Surging electricity needs from data centers, industrial operations, and defense facilities are driving the renewed push for round-the-clock generation. Federal initiatives are concurrently addressing domestic uranium supply and waste management while deploying artificial intelligence t...
Nuclear NewsNEW Cameco in offtake agreement for US laser enrichment plantCameco Corporation will purchase the entire future output of the planned Paducah Laser Enrichment Facility in Kentucky under an exclusive contract with Global Laser Enrichment. Global Laser Enrichment anticipates securing a Nuclear Regulatory Commission license for the facility by early 2027. The plant intends to re-enrich historical depleted uranium tails to supply commercial nuclear fuel markets. Canadian company Cameco Corporation is to buy all of the future production of GLE's planned Paducah Laser Enrichment Facility in Kentucky under a newly announced exclusive offtake agreement. ; Silex...
Nuclear NewsNEW Clean tech startup Fluxnium found a way to tap 50,000 years’ worth of nuclear fuelStartup venture Fluxnium secured seven million dollars in seed funding to commercialize a method for extracting uranium from seawater. The process uses specially designed polymer fibers suspended from ocean buoys to capture dissolved uranium without generating toxic mining tailings. Domestic nuclear operators face rising yellowcake prices and heavy reliance on foreign supply chains. Accessing the vast reserves of uranium in the oceans could diversify fuel sources and help utilities meet projected generation growth without traditional mining constraints. Fluxnium's fibers can extract uranium di...
Nuclear NewsNEW Holtec Nuclear shelves US IPO as market turbulence bitesHoltec International suspended its planned initial public offering in the United States, citing unfavorable market conditions and shifting investor sentiment regarding nuclear energy tied to artificial intelligence data center demand. The company intended to raise up to $900 million. This postponement reflects broader market headwinds affecting nuclear sector stocks and capital-raising efforts for advanced reactor development and plant decommissioning services. Sept 17 (Reuters) - Holtec Nuclear suspended its planned U.S. initial public offering late on Wednesday, citing market conditions, she...
Nuclear NewsNEW House subcommittee discusses NLIC, nuclear spent fuel policyA congressional panel examined the Department of Energy Nuclear Lifecycle Innovation Campuses program during a recent hearing. Officials discussed finalized state memorandums of understanding and the transition toward formal contractual agreements. Participants also addressed statutory limitations restricting permanent radioactive waste disposal solely to Yucca Mountain. Lawmakers and industry representatives expressed bipartisan support for expanding the front end of the fuel cycle and pursuing alternative disposal pathways. Participants emphasized that commercial reprocessing can reduce wast...
Nuclear NewsNEW Blue Energy submits first construction application to NRCBlue Energy submitted an initial construction permit application to the Nuclear Regulatory Commission for a planned facility at the Port of Victoria site in Texas. The filing requests approval for early construction work and a sequencing method that builds natural gas infrastructure before integrating small modular reactors. The project ultimately aims to supply electricity to nearby data center operations. Blue Energy has submitted the first part of its construction permit application to the US Nuclear Regulatory Commission for its planned gas-to-nuclear project in Texas. ; The application re...
Nuclear NewsNEW EM UpdateLos Alamos Achieving Banner Year for Waste Shipments to Waste Isolation Pilot Plant; Hanford Tank-Side Pretreatment System Resumes Operations After 6-month Pause; and much more! Los Alamos cleanup crews completed eighty-two transuranic waste shipments to the Waste Isolation Pilot Plant this fiscal year, marking a ninety-one percent increase over the previous year. The surge stems from retrieving and downsizing legacy radioactive materials at the New Mexico laboratory. At the Hanford Site, the Tank-Side Cesium Removal System resumed operations following a six-month pause caused by storage capac...
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...
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...
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...
GeneralNEW Shift 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?
Nuclear 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 :)
History & TriviaThe Hiroshima Atomic Blast Forged a Metal Never Seen Before on EarthGeologists led by the University of Florence have identified a previously unknown iron-chromium alloy within microscopic fallout debris from the 1945 Hiroshima atomic bombing. The 10-micrometer grain exhibits a complex, highly ordered cubic crystal structure that formed due to the extreme temperatures and rapid cooling rates of the nuclear fireball. This discovery highlights that nuclear blast debris contains a unique library of metastable materials that are difficult to replicate in laboratory settings. For the nuclear industry, these findings demonstrate that fallout particles serve as a phy...









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