Total megawatts of U.S. nuclear capacity offline right now (units in outages plus reduced power).
15,600
MW Offline
Percentage of total fleet capacity currently online and generating power.
84.2%
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).
15
Units Offline
Units operating between 1-99% power (excluding known startups or coastdowns).
2
Reduced Power
Units nearing the end of their fuel cycle, gradually lowering power before an outage.
0
Coastdown
Units increasing power following an outage or scram. Now: Diablo Canyon 1 48%, Callaway 95%, Vogtle 2 95%.
3
Starting UpDiablo Canyon 1 +2
Units on a qualifying Breaker-to-Breaker run: continuous operation exceeding their cycle-adjusted threshold with no trips to 0% power. Longest trip-free streak: Braidwood 2, 13.4 years since its last unplanned outage.
0
Breaker-to-BreakerBraidwood 2 13.4y
In the harsh winter of 2010-11, France’s need for heating was so great that all 58 of its nuclear reactors were hooked up to the electrical grid for the first time in six years. About what percentage of France's electricity is from nuclear power?
Nuclear NewsNEW Advanced reactors and site securityNuclear regulators are updating physical security rules to accommodate small modular reactors. The new framework allows developers to reduce or eliminate onsite armed response forces by relying more heavily on engineered safety features, early detection systems, and offsite law enforcement support.
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Core ContentNuclear NewsNEW Senate advances sweeping energy legislation in first major action since midterm electionsSenate advances energy legislation amid data center backlash | AP News The Senate is moving forward with bipartisan legislation to speed up permitting for data centers and infrastructure projects. The Afternoon Wire Our personalization engine sends you what you may have missed throughout the day. TOP STORIES * Rep. Thomas Massie of Kentucky launches bid to impeach Defense Secretary Pete Hegseth Ground Game Your guide to the biggest stories in politics, policy and U.S. elections. Read the full article at apnews.com :Core Content
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Nuclear NewsNEW Project Omega Raises $80 Million to Build Nuclear Refineries for the Next Industrial RevolutionProject Omega will use $80 million in new Series A funding to advance its non-aqueous pyroprocessing technology for recycling used nuclear fuel. The company intends to construct a facility that recovers isotopes for use in radiovoltaic power systems designed for remote and autonomous applications. This initiative aims to reduce nuclear waste volumes and establish a domestic supply chain for specialized power sources.Core Content
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Nuclear NewsNEW NASA Awards Moon Base Transportation, Technology, Science ProjectsNASA selected eight companies for commercial lunar payload services and awarded contracts for the development of a nuclear-powered South Pole rover. The agency also issued task orders for cislunar transportation systems. These initiatives aim to establish a permanent outpost on the lunar surface.Core Content
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Nuclear NewsNEW Dow, X-energy Proposed SMR Project Receives Historic Construction Permit for Nuclear-Powered IndustrThe U.S. Nuclear Regulatory Commission has approved a construction permit for four X-energy Xe-100 small modular reactors at Dow's Seadrift Operations site in Texas. This decision marks the first federal permit for a high-temperature gas-cooled reactor in nearly six decades and clears the path for advanced nuclear integration at a commercial industrial facility.Core Content
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Nuclear NewsNEW How will midterm results impact nuclear energy?Recent midterm elections brought several new governors and senators to office who hold varied stances on nuclear energy and associated large scale data center projects. Federal lawmakers are also weighing pending permitting reform legislation during the current congressional lame duck session.Core Content
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Nuclear NewsNEW Thea Energy, MIT collaborate on testing stellarator magnet technologyResearchers at the Massachusetts Institute of Technology will test a full-scale encircling magnet coil for Thea Energy's Eos fusion device. The evaluation at the Plasma Science and Fusion Center will assess the high-temperature superconducting hardware under full magnetic loads and simulated power plant conditions. The data will support Thea Energy's goal of operating a demonstration facility by 2030 and a commercial plant by 2035.Core Content
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Nuclear NewsNEW HGP Intelligent Energy Moves to Bring More Power from Existing Nuclear Plants, Submits Letter of IntHGP Intelligent Energy submitted a letter of intent to the Nuclear Regulatory Commission for its reactor technology. The filing marks the first formal regulatory step toward reviewing software and coolant controls designed for pressurized water reactors.Core Content
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Nuclear NewsNEW Feds ask for proposals for industrial use of Hanford land. Data centers possibleThe Department of Energy requested industry proposals to use up to 3,700 acres of unneeded land at the Hanford nuclear site in Washington. The agency seeks concepts for data centers, advanced manufacturing, and new energy generation projects. Selected applicants will handle construction, operation, and decommissioning.Core Content
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Outage NewsNEW Callaway begins Fall 2026 refueling outageCallaway began a scheduled refueling outage on September 26, 2026, starting on its planned date for the fall season. The 1,190-MW Westinghouse four-loop pressurized water reactor entered the maintenance window with a scheduled duration of 45 days.Core Content
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Outage NewsNEW Point Beach 1 begins Fall 2026 refueling outagePoint Beach 1 began a routine refueling outage on October 10, 2026, starting exactly on its planned date. The 598-MW Westinghouse two-loop pressurized water reactor entered the fall maintenance window after completing about 100 percent of its typical 548-day operating cycle.Core Content
Core ContentOutage NewsNEW Point Beach 1 completes Fall refuel in 26 days, caps 548-day B2B runPoint Beach 1 completed a routine refueling outage running 7 days longer than the planned 19 days. The outage lasted 26 days at 0% power from Oct 10, 2026 to Nov 4, 2026. The unit was back at full power (100%) as of the NRC report of Nov 10, 2026.Core Content
Core ContentOutage NewsNEW Callaway wraps Fall refuel in 40 days, 5 days ahead of scheduleCallaway finished its routine refueling outage 5 days ahead of the 45-day schedule. The outage lasted 40 days, which is 11.1 days below the 51.1-day average of the unit's 18 prior refuels. As of the Nov 10, 2026 NRC report, the unit is back at 95% power.Core Content
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Outage NewsNEW Cooper trips offline, unscheduled outage underwayCooper entered an unscheduled outage, reaching 0% power according to the NRC daily report of Nov 10, 2026. This event brings the unit's forced-outage count to 2 so far in 2026, compared to 0 in all of 2025. NukeWorker projects the duration of this outage to be about 5 days.Core Content
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Outage NewsNEW Summer trips offline, unscheduled outage underwaySummer began an unscheduled outage, dropping to 0% power in the NRC daily report of Nov 8, 2026. This event brings the forced-outage count for the unit to 2 so far in 2026, compared to 3 in all of 2025. Additionally, 4 other U.S. units began unscheduled outages within 5 days of this one.Core Content
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Outage NewsNEW Diablo Canyon 1 begins Fall 2026 refueling outagePacific Gas & Electric began a routine refueling outage at Diablo Canyon 1 on October 11, 2026. The 1,122-megawatt unit started the project one day earlier than its scheduled October 12 start date, targeting a 35-day duration.Core Content
Core ContentOutage NewsNEW Point Beach 2 trips offline, unscheduled outage underwayPoint Beach 2 entered an unscheduled outage, ending a streak of more than 12 years without an unscheduled outage. The event marks the first forced outage for the unit in 2026, compared to 0 in all of 2025. Projections estimate the duration will be about 4 days.Core Content
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Outage NewsNEW Peach Bottom 2 begins Fall 2026 refueling outagePeach Bottom 2 began a routine refueling outage on October 12, 2026, matching its published schedule. The 1,265-MW boiling water reactor entered the maintenance period following an unscheduled-outage-free streak of 823 days.Core Content
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Nuke CommunityNEW Pineapple on PizzaI grew up in South Jersey.(1963-1980)Hundreds of pizza places or more in the general area between Phila. and the shore.First time seeing a thin crust was at Pizza Hut.Most places were owned/staffed by Italians.A friend who came to US from Italy ended up taking over the family pizza business.I never even thought of ordering a pineapple strewn pizza from his place - he was a good wrestler and his family was "connected".😆
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fiveelevenMoney MattersNEW Health Insurance for Outage FolksHow does health insurance work for the traveling outage folks? Is this a "you're on your own" type of deal?
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vanmo96
We are very excited to announce that the NukeWorker Quiz now includes the DOE RCT Core Part 2: Site Academics, all 19 modules: That completes the DOE RCT Core. Part 1, Part 2 and a Comprehensive Examination over both Part 1 & 2 are all in the ...
The Radiation Instrument Index is live: 129 radiation protection instruments on one page, from the RO-2 and the NP-2 Snoopy to the current PCMs, CAMs and EPDs. Find the meter your site runs, see what the DOE RCT exam calls it, and open the manual....
Missed a question on one of our practice tests? Now the answer sheet tells you exactly where to go study it.When you finish a NukeWorker practice test, the answer sheet shows each question, the answer you picked, and the correct answer. Now most q...
Our long-range outage projections just got sharperNukeWorker's gives you two things: validated dates for the coming season, and our own long-range projections for the seasons beyond, 18 to 24 months out, before the utilities publish their dat...
Every Outage Finally Has a NameIf you have worked an outage, you know it has a name. Nobody at the tool crib says "the spring outage at Catawba." They say . It is on the badge, on the schedule, on the coffee cup somebody had printed.For ...
New on the facility map: see who's hiring at a glanceThe facility map got a pretty good overhaul. A few things on there now that I think you'll actually use:Jobs are on the map now. Top-right of the map there's an Open Jobs button. Hit...
Did You Know NukeWorker Has Online Practice Exams? (Now With Certificates)Here is something a lot of folks in the field do not realize: NukeWorker has a full library of online practice exams for radiation protection and radiological control worker...
The NukeWorker Reactor Status MapIf you have ever wanted to know which plants are running, which are down for an outage, and which one just tripped offline, all on a single screen, that is exactly what the NukeWorker Reactor Status Map on our home...
We have recently updated the with over 1,500 new aerial and facility images.Some of the latest additions include high-quality views of:Research & Academic Facilities: Rhode Island Atomic Energy Commission, MIT Nuclear Research Reactor (MITR),...
The Fall 2026 U.S. nuclear refueling outage schedule has been released. 25 units are scheduled to refuel this season.
POET: plant-specific PRA inputs, built from the operating recordA new tool on NukeWorker turns the U.S. fleet's day-by-day operating history into initiating-event frequencies and data-analysis parameters, with the Bayesian work shown. If you k...
We've launched a new board, Outage News: a running record of refueling and forced outages across the entire U.S. nuclear fleet.The community has always been good at sharing what's happening on the ground. Outage News sits alongside that as...
New Feature: RadNet Radiation Map Now OnlineWe're excited to announce a major addition to the Facility Information suite: the .It brings EPA's environmental radiation data together with our nuclear facility database, giving a national view...
We have updated the "Current Reactor Status" section on our facility information pages to provide a much more detailed and intuitive look at plant performance and operational history.You can see the new layout and logic in action on thes...
🔎 Deep Dive: Everything You Can Track on the Facility Info PagesHey everyone, I've been digging through the updated Facility Information sections here on Nukeworker. Whether you're a road warrior planning your next outage or an engineer tr...
The Nuclear Grid Capacity & Generation Analysis dashboard provides a centralized interface for monitoring and analyzing the performance of the U.S. nuclear fleet. This tool utilizes both real-time metrics and long-term historical trends.
Below ...
We made a new tool fro you:The Operating Reactor Scram Dashboard is a comprehensive analytical tool designed for monitoring and analyzing U.S. commercial nuclear power plant trip events. It centralizes raw data from the Nuclear Regulatory Commissi...
I am very excited to announce a major upgrade to the NukeWorker Outage Schedules!We now independently project expected outage extensions beyond officially published schedules using our new 'Amber Bar' forecasting. We aren't just follow...
NukeWorker's preliminary schedule for Spring 2027 projects 29 nuclear outages, signaling a high-demand season for specialized contractors and traveling craft. Activity is concentrated in the Northeast and Southeast regions from March to early ...
The Fall 2026 nuclear maintenance season features 25 scheduled outages, with peak workload activity projected for late September through October. Contractors are advised to monitor schedules closely, as dates are subject to change based on grid de...
The Spring 2026 nuclear outage season is underway with 34 scheduled maintenance and refueling outages. View the full schedule at .
We've given the entire quiz section a major facelift to make your study sessions smoother and easier on the eyes.
The NukeWorker Photo Gallery has long been the primary destination for our community to share the history, technical marvels, and daily life of the nuclear industry. Today, we're excited to announce a major update to the gallery's design, ...
We've just rolled out a major update to the NukeWorker homepage. While the new "Situation Room" layout looks great, the real power lies in the deep industry intelligence these tools now provide at a single glance.Master the Outage Season...
I split the 'Nuclear Discussions' from the 'Nuclear News' posts on the front page.Enhanced the titles (narrower font) so they display 10 more characters of the titles on the page.On hover, it shows the full title.And a new easy to ...
I've updated the homepage Job Feed with a few key features designed to make it fairer for employers and easier for job seekers to spot the latest opportunities.1. No More "Front Page Flooding" I've implemented a 3-job cap per employer. T...