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Nuclear NewsNEW Inertia Enterprises finds a way to make its fusion fuel fastInertia Enterprises has reduced the production time for fusion fuel pellets from one week to approximately three hours. The startup developed this manufacturing process through a public-private partnership with the Lawrence Livermore National Laboratory. This advancement addresses a primary barrier to scaling fusion technology from laboratory experiments to commercial power generation. Commercial fusion plants require a high volume of fuel pellets to operate continuously, with Inertia projecting a need for ten pellets per second. By accelerating production and reducing the required tritium inventory, the company aims to lower operational costs and safety risks associated with handling radioactive isotopes. These manufacturing efficiencies are intended to support the development of a viable...
Nuclear NewsNEW Connecting the power of the stars to geometry: PPPL tests an innovative fusion system concept that cResearchers at the Princeton Plasma Physics Laboratory are utilizing the National Spherical Torus Experiment-Upgrade to evaluate the efficiency of spherical tokamak designs. This device features a cored apple shape that allows for higher plasma pressure and improved stability compared to traditional doughnut-shaped reactors. The project aims to determine if compact fusion reactors can lower construction costs by reducing the volume of steel and concrete required for plant infrastructure. By testing plasma confinement and magnetic field efficiency, the facility provides a platform for private a...
Nuclear NewsNEW 200,000 Barrels of Radioactive Waste Under the SeaStill no Godzilla.  8) 200,000 Barrels of Radioactive Waste Under the Sea
Nuclear NewsNEW Kairos Power, others launch NuCAMP to develop nuclear workforceKairos Power has partnered with Oak Ridge National Laboratory, regional universities, and trade schools to establish the Nuclear Center for Advanced Manufacturing and Precast. This initiative aims to develop specialized training programs and career pathways for nuclear construction, including welding, additive manufacturing, and precast concrete production. The collaboration will undergo a 12-month exploratory phase to define curriculum and manufacturing standards for future reactor deployment. As Kairos Power’s high-temperature, fluoride salt–cooled reactor facilities in Oak Ridge, Tenn., tak...
Nuclear NewsNEW Zeno RHU will aim to survive lunar nightZeno Power will provide an americium-241 radioisotope heating unit for a Firefly Aerospace lunar mission scheduled for 2028. The unit is designed to maintain thermal control for spacecraft components during the lunar night. Zeno is currently evaluating production options for the device, including its facility at the Vallecitos Nuclear Center, to support future government and commercial space exploration requirements. As established by a commercial payload agreement, a radioisotope heating unit (RHU) developed by Zeno Power will be onboard one of Firefly Aerospace’s existing Blue Ghost missions...
Nuclear NewsNEW NRC opens, defines hearing opportunity for Orano’s Project IkeThe Nuclear Regulatory Commission has opened a 60-day window for public hearing requests regarding Orano Enrichment USA’s application for the Project Ike facility in Tennessee. The commission intends to consolidate the licensing process by potentially skipping a separate uncontested hearing if a contested hearing occurs, aiming to complete reviews within 315 days. This procedural shift tests the agency's interpretation of Section 193 of the Atomic Energy Act, which mandates specific adjudicatory requirements for enrichment facilities. Commissioner Matthew J. Marzano dissented, arguing the move...
Nuclear NewsNEW Healey plans nuclear energy summitMassachusetts Governor Maura Healey will host a regional summit on September 30 at the University of Massachusetts Lowell to discuss the integration of advanced nuclear and fusion energy. The event brings together New England governors and industry experts to evaluate the potential for these technologies to support the regional power grid. This summit aligns with a broader regional commitment to maintain existing nuclear capacity while exploring future energy sources. As New England states coordinate on grid reliability and decarbonization, the discussions will address regulatory frameworks, p...
Nuclear NewsNEW LIS Technologies Commences Initial Technical Feasibility and Environmental Characterization InitiatiLIS Technologies has initiated environmental assessments and technical feasibility studies at its 206-acre site in Oak Ridge, Tennessee. This work supports the development of the proposed LEU-3 facility, which aims to utilize laser-based isotope separation technology. The company plans to establish a commercial uranium enrichment campus on the former K-25 site. The project represents a $1.38 billion investment intended to expand domestic nuclear fuel production capabilities. By pursuing laser enrichment, the company seeks to provide an alternative to traditional centrifuge and gas diffusion me...
Nuclear NewsNEW Apollo Atomics wants to make nuclear power cheaper by shrinking an overlooked partApollo Atomics has secured $26 million in seed funding to develop a compact steam generator for nuclear reactors. The startup aims to replace large, hand-built components with mass-manufactured units that utilize needle-thin channels for heat transfer. This design shift intends to reduce reactor size by 40 times and lower electricity costs. The company plans to utilize factory assembly to shorten construction timelines to under 24 months for 300-megawatt plants. By focusing on the steam generator, Apollo seeks to improve thermal conversion efficiency and compete directly with natural gas prici...
Nuclear NewsNEW Radiant Locks TRISO Fuel Supply Through Early 2030sRadiant has signed a long-term agreement with Standard Nuclear to secure TRISO fuel fabrication for its Kaleidos microreactor fleet. This partnership supports the company's goal of deploying transportable 1-megawatt units to government and commercial customers through the early 2030s. The deal integrates with Radiant's existing manufacturing and testing operations in Tennessee and at the Idaho National Laboratory. Standard Nuclear agreement strengthens Radiant’s fully owned end-to-end supply chain and secures planned Kaleidos deployments through the early 2030s **EL SEGUNDO, CA** – August 20th, 2026 – Radiant, the company building the world’s only plug-in ready, transportable commercial nuclear microreactors, today announced a long-term Fuel Supply Agreement with Standard Nuclear to provide TRISO fuel fabrication to support the deployment of Kaleidos units to government and commercial customers through the early 2030s. Read the full article at radiantnuclear.com :
Nuclear NewsNEW Center for Used Fuel Research: Building confidence in storage and transportThe Department of Energy established the Center for Used Fuel Research at Idaho National Laboratory to coordinate long-term storage and transportation studies. The center will manage research on high-burnup fuel and canister performance, including the transfer of a heavily instrumented research cask from the North Anna power plant in 2027. This initiative provides technical data to support regulatory license renewals and aging management programs for commercial nuclear utilities. By validating performance models for high-burnup fuel, the center aims to address industry uncertainties regarding...
Nuclear NewsNEW What Does It Take to Reopen a Nuclear Power Plant?Efforts to restart the shuttered Palisades nuclear plant in Michigan have faced significant delays due to unexpected equipment corrosion, supply chain issues, and the need for extensive repairs. Holtec International, the plant operator, encountered these challenges while attempting to recommission the facility, which had been slated for permanent closure in 2022. The difficulties at Palisades highlight the technical and financial complexities of reviving aging nuclear infrastructure compared to maintaining active facilities. While the federal government is providing financial support to encour...
Nuclear NewsNEW US develops first-of-its-kind smart tools to tackle nuclear waste and cleanupSmart models to help US cut $150 billion from nuclear cleanup costs Researchers at the Advanced Manufacturing Collaborative in South Carolina are utilizing artificial intelligence and robotics to optimize nuclear waste management and environmental remediation. This initiative aims to reduce lifecycle cleanup costs by 150 billion dollars through predictive modeling and advanced material development. The project integrates expertise from the Savannah River National Laboratory with academic and industry partners to support the Department of Energy Genesis Mission. US researchers have been develop...
Nuclear NewsNEW USF College of Engineering NewsUSF engineers develop technology to help nuclear power plants improve maintenance of a critical safety systemArticle Title University of South Florida engineers developed a laser-based de-icing system to separate frozen ice condenser baskets in nuclear containment buildings. This technology allows plant personnel to perform safety inspections without manual labor or excessive ice melting. The system is designed to operate in narrow, freezing environments and has undergone testing to meet nuclear safety and radiation compliance standards. University of South Florida The technology, created by A...
Nuclear NewsNEW TerraPower’s nuclear reactor has a secret weapon for powering AI data centersTerraPower plans to announce its first data center project this year, with construction expected to begin in 2027. The company utilizes a 345-megawatt molten salt-cooled reactor design that incorporates thermal energy storage. This system allows the plant to maintain constant reactor output while adjusting electricity generation to meet fluctuating grid demands. The integration of molten sodium storage enables the reactor to handle rapid load swings common in AI data centers without cycling the nuclear core. By decoupling steam production from reactor operations, the design maintains high capa...
Nuclear NewsNEW NRC Commences Readiness Assessment of Terra Innovatum’s SOLO™ Construction Permit Application (CPA)The U.S. Nuclear Regulatory Commission has initiated a six-week readiness assessment of draft materials for the SOLO micro-modular reactor. This first phase involves a multidisciplinary team reviewing the company’s environmental report and nine chapters of the preliminary safety analysis report to identify potential information gaps before a formal construction permit application. This pre-submission process allows developers to address regulatory concerns early, potentially streamlining the formal docketing phase. For the industry, this reflects a shift toward iterative engagement between ven...
Nuclear NewsNEW Corpus Christi port, DOT to explore floating nuclear power plantsThe Port of Corpus Christi and the U.S. Department of Transportation signed a memorandum of cooperation to evaluate the feasibility of deploying floating nuclear power plants and servicing nuclear-propelled commercial vessels. This partnership with Core Power Inc. focuses on site characterization, regulatory requirements, and grid integration. The initiative aims to assess how small modular reactors can support maritime infrastructure and energy logistics at major U.S. ports. The Port of Corpus Christi is working with the U.S. Department of Transportation on nuclear exploration, including a st...
Nuclear NewsNEW Transformer delivery brings Three Mile Island restart one step closer to realityConstellation Energy received a 500,000-pound transformer at the Three Mile Island site to facilitate the restart of Unit 1. This component is the first of three units intended to connect the 835-megawatt reactor to the electrical grid. The project aims to supply carbon-free power to Microsoft data centers and restore operations at the facility, which has been offline since 2019. The long-awaited arrival of a 500,000-pound transformer signaled Constellation Energy’s intent to restart nuclear energy generation at the former Three Mile Island plant. On a hot, muggy day, the long-awaited arrival...
Nuclear NewsNEW Space nuclear programs face near- and long-term challengesGovernment and industry officials recently identified supply chain and workforce challenges facing space nuclear programs. While projects like NASA’s Space Reactor 1 move toward a 2028 launch, leaders cited limited access to high-assay low-enriched uranium, specialized component manufacturing, and a shortage of personnel with dual expertise in nuclear and space sectors. These constraints create potential competition for resources between space missions and terrestrial small modular reactor development. Industry experts warn that current support remains tied to specific administrations rather t...
Nuclear NewsNEW Tennessee Republican balks at nuclear campus, waste storageState Representative Ed Butler has formally opposed Governor Bill Lee’s support for a proposed Department of Energy nuclear campus in East Tennessee. Butler cited environmental risks and constituent concerns regarding the storage of nuclear waste as primary reasons for his opposition. The federal project aims to establish a facility for uranium enrichment, reactor construction, and fuel recycling with a projected investment of 50 billion dollars. Republican Rep. Ed Butler s challenging Gov. Bill Lee's support for bringing a massive nuclear facility to East Tennessee. An East Tennessee Republic...
Clean HumorNEW 8 armsIf you hold a baby octopus to your ear, you can hear the aquaruium employee telling you to put it back.it wuz a copee n paste.
Fallen:NEW Michael D HargisMichael D. Hargis, a RCT, Radcon Supervisor, and Emergency Management at the Idaho Cleanup Project at the Idaho National Laboratory passed August 13, 2026. He was a great coworker and will be missed. His obituary is at
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 Tur...
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
History & TriviaPentagon Tests Portable Nuclear Reactor. The Last One Left Arlington's Only Radioactive Grave.The Department of Defense is developing a new transportable nuclear reactor under Project Pele at the Idaho National Laboratory. This initiative follows the 1961 SL-1 reactor accident, which resulted in three fatalities and the burial of a contaminated soldier in a lead-lined grave at Arlington National Cemetery. The SL-1 incident established safety standards that have prevented fatal reactor accidents in the United States for 65 years. Project Pele utilizes high-temperature gas-cooled technology and TRISO fuel, which are designed to be meltdown-resistant. These developments aim to provide por...
History & TriviaBizarre new material discovered in Hiroshima bombing debrisResearchers discovered a unique metallic alloy within microscopic debris collected from Hiroshima Bay. The material, composed of iron, chromium, nickel, and other elements, formed a complex cubic lattice structure due to the extreme heat and rapid cooling of the 1945 atomic explosion. This finding provides insight into how high-energy events create substances that do not form under standard thermodynamic conditions. When an atomic bomb detonates, it produces a unique chemical environment that’s nearly impossible to mimic in a lab—and amid its destruction, the explosion can create something com...
Fallen:Rod HamptonGreat guy and excellent RP. Worked for Duke Energy with the fleet RP Instrument Calibration during the last 10+ years of his career until his passing. He was doing well and went downhill quick, we all hated to see him go.  You could always count on Rod for a job well done. We will all miss him.  Rest in peace brother! 
GeneralNew Health Physics Calculator Website? Always seemed that Rad Pro Calculator was more than adequate for most of us. It does not answer test questions directly. It does require a basic understanding of RP concepts. those interesting in the Rad Pro Calculator, By Ray McGinnis, for comparison.
Fallen:Tom"Shine"KellyThank you for sharing. I worked with him and his brother back in the late 80's early 90's with ARC.
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History & Trivia80 years ago, the military tested nukes on a fleetThe United States military conducted Operation Crossroads at Bikini Atoll in July 1946 to evaluate the effects of atomic weapons on naval fleets. The mission involved two detonations, Able and Baker, which sank 15 vessels and contaminated the surrounding environment, marking the first post-war nuclear tests conducted by the military. These tests demonstrated that radiation exposure posed a threat to naval operations beyond the immediate blast damage. The findings forced the military to reconsider conventional force structures and highlighted the long-term environmental and health consequences...
Radiation SafetyI need software, and have software to provide for free!Hello!I happen to be in need of both the WinRM25 and WinE600 Softwares. Do you by chance still have a copy lying around?
Rennhack's BlogYoutubeWe are up to 10 subscribers! Look our Mr Beast! hahaha
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...
Outage NewsMillstone 2 trips offline, unscheduled outage underwayMillstone 2 entered a forced short outage on August 4, 2026. This event ended a 51 day unscheduled outage free streak for the 863 MW Combustion Engineering pressurized water reactor. This forced outage marks the second such event for Millstone 2 during 2026, following a year in 2025 with zero forced outages. Dominion Energy Nuclear Conn operates this unit and one other U.S. nuclear unit. Across the industry, 94 units are currently maintaining a 97.7 percent capacity factor. There are two units in unscheduled outages nationwide, with River Bend 1 being the only other unit currently offline. WAT...
Outage NewsTurkey Point 4 refueling outage pushed backThe refueling schedule for Turkey Point 4 has been revised with the outage now pushed back to a later start date. The planned duration for this maintenance period has also been extended beyond the previous estimate. Readers should consult the NukeWorker outage schedule for the updated dates and duration details regarding this unit. Turkey Point 4 's next refueling outage has been pushed back in the utility's published schedule. The revised start date and duration are on the NukeWorker outage schedule. The scheduled duration was revised at the same time, and the outage is now planned to run lon...
Outage NewsFermi 2 trips offline, unscheduled outage underwayFermi 2 began a forced short unscheduled outage on 2026-07-04, ending a 44-day unscheduled-outage-free streak. This event marks the second forced outage for the unit in 2026, following zero forced outages during 2025. The 1,141-MW General Electric BWR/4 is currently the only unit in the fleet in an unscheduled outage. MONROE, MI. Fermi 2 dropped offline on Jul 4, 2026 , beginning an unscheduled outage. The NRC has not yet issued an event notification for this trip; a follow-up reply will be posted here if one is filed. This is the second unscheduled outage of 2026 for the unit. Across the U.S....
Outage NewsWatts Bar 2 refuel pulled forward 7 days: now Nov 6The refueling schedule for Watts Bar 2 has been revised to start on 2026-11-06, which is 7 days earlier than the previous start date of 2026-11-13. The scheduled duration for the outage has also been adjusted from 28 days to 29 days. Watts Bar 2 's next refueling outage has been pulled forward by 7 days in the utility's published schedule. The new scheduled start is Nov 6, 2026 , moving from a previous schedule of Nov 13, 2026. Scheduled duration also revised: now 29 days , 1 day longer than the previously scheduled 28. For workers planning to support this outage, the revised window changes th...
Outage NewsWaterford 3 refuel pushed back 17 days: now Oct 17The refueling schedule for Waterford 3 has been revised, moving the start date from September 30, 2026, to October 17, 2026. This adjustment represents a 17-day delay for the beginning of the outage. The planned duration for the event has also been modified, decreasing from 40 days to 25 days. Waterford 3 's next refueling outage has been pushed back by 17 days in the utility's published schedule. The new scheduled start is Oct 17, 2026 , moving from a previous schedule of Sep 30, 2026. Scheduled duration also revised: now 25 days , 15 days shorter than the previously scheduled 40. For workers...
Outage NewsSouth Texas 2 trips offline, unscheduled outage underwaySouth Texas 2 began an unscheduled forced short outage on June 18, 2026. This event ended the unit's unscheduled-outage-free streak at 205 days. This is the first forced outage for the 1,280-MW Westinghouse 4-loop PWR in 2026, matching the total count recorded for the entire year of 2025. STP Nuclear Operating manages this unit and one other U.S. nuclear unit. Across the industry, the fleet currently maintains a 98.2 percent capacity factor with 94 units online, one unit in refueling, and one unit in an unscheduled outage. The unit has been in commercial operation since 1989. PALACIOS, TX — So...
Outage NewsMillstone 2 trips offline, unscheduled outage underwayMillstone 2 began an unscheduled forced short outage on 2026-06-05. This event ended the unit's unscheduled-outage-free streak at 1591 days. This forced outage is the first for the 853-MW Combustion Engineering pressurized water reactor in 2026, following a year with zero forced outages in 2025. Dominion Energy Nuclear Conn operates this unit and one other U.S. nuclear unit. Across the 94 units in the current fleet, the capacity factor is 97.3 percent, with one unit currently in refueling and one unit in an unscheduled outage. WATERFORD, CT — Millstone 2 entered an unscheduled outage on Jun 5,...
Outage NewsFermi 2 trips offline, unscheduled outage underwayFermi 2 ended an 849-day unscheduled-outage-free streak on May 19, 2026. This forced short outage is the first for the unit in 2026, following zero forced outages during 2025. The 1,141-MW General Electric BWR/4 is currently one of one unit in an unscheduled outage across the fleet. MONROE, MI — Fermi 2 entered an unscheduled outage on May 19, 2026 . The NRC has not yet issued an event notification for this trip; this post will be updated if one is filed.This is the first unscheduled outage of 2026 for the unit. Prior to this trip, the unit had run for more than 2 years without an unscheduled...
Outage NewsThree Mile Island 1 is on track to return to serviceMIDDLETOWN, PA. Three Mile Island 1 , the 786 MWe reactor offline since September 20, 2019, is on its way back to the grid. The U.S. Energy Information Administration now lists the Constellation Energy plant among the generators set to return to service, the first confirmation in federal energy records that the restart effort is moving forward. Permanently retired reactors rarely come back, which makes this one of the most closely watched milestones in the U.S. nuclear fleet.A restart means jobs. See open nuclear jobs in Pennsylvania on NukeWorker.Facility page  |  Outage history and status
Outage NewsPalisades is on track to return to serviceCOVERT, MI. Palisades , the 767 MWe reactor offline since May 20, 2022, is on its way back to the grid. The U.S. Energy Information Administration now lists the Holtec International plant among the generators set to return to service, the first confirmation in federal energy records that the restart effort is moving forward. Permanently retired reactors rarely come back, which makes this one of the most closely watched milestones in the U.S. nuclear fleet.A restart means jobs. See open nuclear jobs in Michigan on NukeWorker.Facility page  |  Outage history and status
Outage NewsFall 2025 recap: 22 scheduled refueling outages, 38 forced, 647 planned reactor-daysCompleted refueling outages for the fall 2025 season averaged 36.4 days, exceeding the initial utility schedule average of 29.4 days. All 22 scheduled refueling outages reached completion by the end of the recap window, while 38 forced outages occurred during the same period. The 22 completed refueling outages this season rank 21 out of 26 years when compared to historical fall data since 1999. Schedule adherence data shows 12 of the 22 outages started as expected, with 4 starting early and 6 starting late. Looking ahead, 34 refueling outages are already scheduled for the spring 2026 window, t...