Total megawatts of U.S. nuclear capacity offline right now (units in outages plus reduced power).
14,345
MW Offline
Percentage of total fleet capacity currently online and generating power.
85.5%
Fleet Online
Refueling outages scheduled for this season. Each one is a hiring window.
30
Spring 2027 Outages
Units currently at 0% power (likely in an outage or shutdown).
13
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.
0
Coastdown
Units increasing power following an outage or scram. Now: Farley 2 14%, Point Beach 2 49%, Robinson 2 60%.
3
Starting UpFarley 2 +2
Units on a qualifying Breaker-to-Breaker run: continuous operation exceeding their cycle-adjusted threshold with no trips to 0% power. Longest current run: Calvert Cliffs 2, 596 days online without a shutdown.
0
Breaker-to-BreakerCalvert Cliffs 2 596d
Columbia Generating Station is located near:
Outage NewsNEW Fall 2026 recap: 24 scheduled refueling outages, 17 forced, 738 planned reactor-daysThe Fall 2026 refueling season concluded with 24 scheduled outages completed, matching the total number of outages originally planned by utilities. These projects resulted in 747 combined outage days, averaging 31.1 days per outage, which aligns closely with the seasonal average of 30.8 days per outage projected in utility schedules.
Core Content
Core Content
Outage NewsNEW Spring 2027 outage schedule is now open: 30 refueling outages scheduledEarly access to the Spring 2027 U.S. nuclear refueling outage schedule is now open on NukeWorker. 30 refueling outages are scheduled for Spring 2027, totaling 1,129 reactor-days of planned offline time across the fleet (average 37.6 days each). Scheduled durations range from 17 to 116 days. For comparison, Spring 2026 had 34 refueling outages totaling 1,194 reactor-days (-4 outages year over year). Across the U.S. fleet of 94 commercial reactors, today's combined capacity factor is 85.5% (10 units currently refueling, 3 units in unscheduled outages), below the 88.0% baseline for this month ove...Core Content
Core Content
Outage NewsNEW Robinson 2 begins Fall 2026 refueling outageRobinson 2 began a scheduled refueling outage on October 3, 2026, starting six days earlier than its planned October 9 date. The 759-megawatt Westinghouse unit entered the maintenance period following a 1198-day unscheduled-outage-free streak.Core Content
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Outage NewsNEW Farley 2 begins Fall 2026 refueling outageFarley 2 began a routine refueling outage on Oct 19, 2026, 1 day later than the scheduled start date of Oct 18, 2026. The outage has a scheduled duration of 27 days. Prior to this event, the unit had run for about 16 months without an unscheduled outage and completed about 91% of its typical 548-day operating cycle.Core Content
Core Content
Outage 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
Core Content
Site NewsNEW Spring 2027 outage schedule releasedThe Spring 2027 U.S. nuclear refueling outage schedule has been released. 30 units are scheduled to refuel this season. See the Spring 2027 schedule on NukeWorker.Core Content
Core ContentSeabrookNEW SeabrookI’m interviewing at Seabrook currently, anyone have updated info on this plant? How’s the work culture? How’s management and the team?
Newnuke
NewnukeNuke CommunityPineapple 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".😆
fiveeleven
fiveeleven
Nuclear NewsNEW Nuclear startup wins local approval for up to 120 small reactors beside data centersCarbon County planners in Utah approved a permit for Valar Atomics to build a campus combining small nuclear reactors and data centers. The project requires future licensing from the Nuclear Regulatory Commission or authorization from the Department of Energy before construction can begin. The approved proposal also includes a natural gas plant to supply interim power.Core Content
Core Content
Nuclear NewsNEW After Years of Neglect, America Is Making Nuclear Materials AgainThe United States Department of Energy has resumed domestic production of a specialized binary alloy used in nuclear weapons. The National Nuclear Security Administration officially qualified the Y-12 National Security Complex in Tennessee to manufacture the material following a two-decade pause in active fabrication.Core Content
Core Content
Nuclear NewsNEW SovAI and BAM Energy Sign Memorandum of Understanding to Co-Develop Super Intelligent, Nuclear-PowerSovAI and BAM Energy signed a memorandum of understanding to co-develop behind-the-meter artificial intelligence campuses powered by BAM Energy's Pearl microreactor. The reference design pairs four factory-built Pearl modules with an 800-volt DC compute infrastructure to deliver approximately 40 megawatts of carbon-free electricity.Core Content
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The Spring 2027 U.S. nuclear refueling outage schedule has been released. 30 units are scheduled to refuel this season.
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...