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.
24
Fall 2026 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, 595 days online without a shutdown.
0
Breaker-to-BreakerCalvert Cliffs 2 595d
Bananas are slightly radioactive because they contain which naturally occurring isotope?
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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Nuclear NewsNEW Nuclear Diamond Batteries Subsidiary AtomiQ Signs Strategic MOU with Curio to Advance Domestic RadioAtomiQ, a subsidiary of Nuclear Diamond Batteries, signed a memorandum of understanding with Curio to explore the domestic supply of strontium-90 and americium-241. The agreement outlines a framework to evaluate technical feasibility and material recovery using Curio's NuCycle process for used nuclear fuel.Core Content
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Nuclear NewsNEW Oregon nuclear company sued by investors over executives’ stock salesShareholders filed a class-action lawsuit in the U.S. District Court of Oregon against NuScale Power Corp. and four of its executives. The complaint alleges that leadership artificially inflated stock prices through misleading statements about project progress and financial health before selling shares. The legal action follows dropped stock values triggered by reports of stalled commercial projects and negative cash flow projections.Core Content
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Nuclear NewsNEW A Utah startup has officially submitted its plans for nuclear-powered data centers. As it seeks its Valar Atomics submitted a conditional use permit application to Carbon County officials in Utah for its proposed Raceway Energy Campus. The project includes plans for up to 120 small modular reactors, a natural gas backup plant, data centers, and radioactive waste storage facilities.Core Content
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Nuclear NewsNEW Oklo, Centrus Secure Fuel Supply for Aurora Powerhouse Deployment in OhioOklo Inc. signed multi-year contracts with Centrus Energy for high-assay low-enriched uranium. The agreements include customer prepayments to fund domestic uranium enrichment capacity. This fuel will supply the first phase of Oklo's planned power campus in Ohio, backed by funding from Meta.Core Content
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Nuclear NewsNEW Fermi’s Top Nuclear Builder Departs as Reactor Timeline SlipsFermi Inc. lost its Chief Nuclear Construction Officer, Mesut Uzman, amid further delays to the reactor deployment timeline for its Project Matador data center campus in Texas. The startup now aims to commission four Westinghouse reactors annually from 2034 through 2037. The leadership change coincides with the cancellation of the company's first binding customer agreement and growing regulatory headwinds for large power-consuming data centers.Core Content
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Nuclear NewsNEW New York chooses 10 companies that could potentially build new nuclear powerThe New York Power Authority has selected ten qualified developers to compete for the state's first new nuclear plant project in a generation. The chosen companies will submit proposals for either large reactors or small modular reactors to help meet state clean energy goals. Officials plan to announce a specific project developer in the coming months.Core Content
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Nuclear NewsNEW Meet NIVA: The nuclear industry’s own AI toolThe Electric Power Research Institute, the Institute of Nuclear Power Operations, and the Nuclear Energy Institute have deployed a generative artificial intelligence tool called the Nuclear Industry Virtual Assistant. The system helps utilities across North America search historical data, operating experience databases, and regulatory guides.Core Content
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Nuclear NewsNEW Nuclear fusion reactor exhaust heat gets world’s first levitated dipole divertor techNuclear fusion reactor exhaust gets world’s first dipole divertor tech The United States Department of Energy selected OpenStar Technologies and Columbia University to develop the first exhaust system for a levitated dipole fusion reactor. Researchers will combine advanced software simulations with operational data from OpenStar prototypes to manage plasma heat and particle removal. The resulting divertor design will be deployed on OpenStar's upcoming Tahi machine.Core Content
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Outage NewsNEW Point Beach 1 trips offline, unscheduled outage underwayThis is the unit's first unscheduled outage of 2026. It ends a stretch of more than 5 years without an unscheduled outage.Core Content
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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
Core Content
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 Diablo Canyon 1 wraps Fall refuel in 29 days, 6 days ahead of scheduleDiablo Canyon 1 finished its routine refueling outage 6 days ahead of the planned 35-day schedule. The outage lasted 29 days, which is 11.1 days below the average of 17 prior refuels. The unit returned to 99% power by Nov 12, 2026.Core Content
Core Content
Outage NewsNEW Cooper trips offline, unscheduled outage underwayCooper entered an unscheduled outage and was reported at 0% power in the NRC daily report of Nov 2, 2026. This marks the 1 forced outage for the unit so far in 2026, compared to 0 in all of 2025, closely following a 34-day refueling outage that ended Oct 31, 2026. The NukeWorker forced-outage duration projection is about 4 days.Core Content
Core Content
Outage NewsNEW Arkansas Nuclear 2 trips offline, unscheduled outage underwayArkansas Nuclear 2 began an unscheduled outage, with the unit reported at 0% power in the NRC daily report of Nov 4, 2026. This event ends a streak of more than 5 years without an unscheduled outage for the unit. This is the 1 forced outage for Arkansas Nuclear 2 in 2026, compared to 0 in all of 2025.Core Content
Core Content
SeabrookNEW 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 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".😆
fiveeleven
fiveelevenMoney MattersHealth Insurance for Outage FolksHow does health insurance work for the traveling outage folks? Is this a "you're on your own" type of deal?
vanmo96
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...