Nuclearn
Nuclearn is a Phoenix-based AI software company that provides nuclear-specific AI solutions, including proprietary LLMs and agentic workflows, for nuclear utilities. The company serves over 70 nuclear power facilities across North America and the UK via annual enterprise subscriptions.
- Company typePrivate
- Founded2021
- HeadquartersPhoenix, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Nuclearn does
Nuclearn is a Phoenix, Arizona-based AI software company founded in February 2021 by Bradley Fox and Jerrold Vincent, both former employees of the Palo Verde Nuclear Generating Station. The company builds AI solutions purpose-built for the nuclear power industry, serving operating nuclear utilities, SMR and advanced reactor developers, and other regulated utility sectors primarily across North America and the United Kingdom. Nuclearn's platform is deployed across more than 70 nuclear facilities globally and addresses backlogs in engineering, maintenance, compliance, and supply chain workflows where nuclear operators face workforce attrition and increasing operational demands.
The product portfolio includes AtomAssist (a Part 810-compliant generative AI assistant for regulatory and licensing workflows), Cap AI and Performance Improvement AI (PIAI) for corrective action program automation, Engineering AI for 10 CFR 50.59 and related regulatory evaluations, Parts AI for supply chain modernization, Capitalizer for CapEx/OpEx classification, and Project Genius for outage scheduling using predictive analytics. These products are built on Nuclearn's proprietary foundation models, notably the 32-billion-parameter GAMMA2 nuclear-specific LLM and the openly available SPARK-mini model, with deployment options spanning on-premise, private cloud, and Government Cloud environments. In March 2025, Nuclearn launched the nuclear industry's first Agentic AI solution (Nuclearn Agents) along with the Nuclearn AI Marketplace.
Nuclearn operates an enterprise field sales motion targeting nuclear utilities through annual subscription contracts with per-product pricing and tiered licensing (Active User, Named Users, Enterprise). The company has raised approximately $13 million across a $2.5M seed round (August 2023, led by AZ-VC/Copper Sky Capital and Nucleation Capital) and a $10.5M Series A (September 2025, led by Blue Bear Capital). Strategic partnerships include DataGlance for mobile work order integration and NPX (Nuclear Promise X) for new nuclear project acceleration. The company achieved ISO/IEC 27001:2022 certification in March 2026 and counts the Tennessee Valley Authority among its named customers.
Nuclearn firmographics
Firmographics- Name
- Nuclearn
- Legal name
- Nuclearn Inc.
- Website
- https://nuclearn.ai
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Nuclearn is a Phoenix-based AI software company that provides nuclear-specific AI solutions, including proprietary LLMs and agentic workflows, for nuclear utilities. The company serves over 70 nuclear power facilities across North America and the UK via annual enterprise subscriptions.
- Ownership category
- akta.pro rank
Nuclearn industry classification
Industry- Product category
- Nuclear Industry AI Software
- NAICS
- Software Publishers (51321), Computer Systems Design Services (541512)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- AI Application Enablement Platforms (Copilot/Agent Frameworks, SDKs) (HDAEANAJ)
- akta.pro secondary industries
- End-to-End Enterprise AI Platforms (MLOps & Model Lifecycle Management) (HDAEANAA), Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII) (HDAEANAG)
Keywords
Where Nuclearn is headquartered
LocationHeadquarters
- HQ city
- Phoenix
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Nuclearn business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- Annual Subscription: Annual subscription model with per-product pricing. Customers can subscribe to individual products (AtomAssist, Cap AI, Engineering AI, Parts AI, Capitalizer, Project Genius, PIAI) on an annual basis. Includes support, installation, upgrades, and access to all future features and AI model improvements.
- Licensing (Active User, Named Users, Enterprise): Three licensing tiers for AtomAssist: Active User (concurrent use), Named Users, and Enterprise (unlimited license). Prices based on sizing with seamless true-up model for expanding usage.
- On-premise or Cloud Deployment: Deployment flexibility offered across on-premises, customer private cloud, or hosted Government Cloud (GovCloud) environments with no difference in platform functionality.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Annual Subscription - Individual Products |
| Subscription | Annual | AtomAssist Licensing Options |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
Nuclearn product offering
Product offeringCore offering
Nuclearn develops and sells a suite of AI software products purpose-built for the nuclear power industry, including AtomAssist (nuclear-specific generative AI assistant), Cap AI and Performance Improvement AI (corrective action program automation), Engineering AI (10 CFR 50.59/72.48 evaluations), Parts AI (supply chain), Capitalizer (CapEx/OpEx classification), and Project Genius (outage scheduling). The platform is powered by proprietary nuclear-domain large language models (GAMMA2 with 32B parameters and SPARK-mini) and deployed on-premise, in private cloud, or in Government Cloud environments.
Product overview
Nuclearn offers a comprehensive AI platform with multiple specialized modules designed specifically for nuclear environments. The portfolio includes Parts AI for supply chain modernization, Cap AI and Performance Improvement AI (PIAI) for corrective action program automation and safety analysis, Engineering AI for regulatory compliance workflows (10 CFR 50.59, 10 CFR 72.48), AtomAssist as a nuclear-specific generative AI assistant, Capitalizer for CapEx/OpEx classification, and Project Genius for outage scheduling optimization. The platform is complemented by Nuclearn Agents (the industry's first Agentic AI for complex workflow automation) and the AI Marketplace for nuclear-specific agents and datasets. Built on proprietary foundation models including Gamma2 (32B parameter nuclear LLM) and SPARK-mini (open nuclear LLM), the platform can be deployed on-premise, in private cloud, or Government Cloud environments. The company serves over 70 nuclear facilities across the U.S., Canada, and U.K.
Differentiator
Problem solved
Functional benefit
Brands
- AtomAssist: Part 810-compliant AI assistant engineered for the nuclear industry that automates research, drafting, documentation, and regulatory workflows.
- Cap AI
- Parts AI
- Performance Improvement AI (PIAI)
- Engineering AI
- Capitalizer
- Project Genius
- Nuclearn Agents
- Gamma2
- SPARK-mini
Products and services
- AtomAssist Part 810-compliant AI assistant engineered for the nuclear industry that automates research, drafting, documentation, and regulatory workflows using a privately trained nuclear-specific foundation model. It is the world's first private, nuclear-specific generative AI model, designed for nuclear utilities and their licensing, engineering, and regulatory staff who cannot use public AI providers due to security requirements.
- Cap AI AI solution that automates 80% of condition reports for nuclear utilities, performing automated screening, scoring, regulatory compliance, accurate trend coding, and dashboards for Condition Adverse to Quality (CAQ) and non-CAQ items in the Corrective Action Program.
- Performance Improvement AI (PIAI) Comprehensive performance improvement suite including Smart CR Generation, Observation AI, Condition Report Screening Automation, Safety Analyzer, OE Intelligence, Causal Analysis, and Performance Trending for Corrective Action Programs at nuclear utilities.
- Engineering AI Suite of engineering automation tools for nuclear utilities covering 10 CFR 50.59 determinations, 10 CFR 72.48 ISFSI evaluations, code relief requests, maintenance rule risk assessments, Part 21 reportability determinations, and engineering change assist.
- Parts AI AI-powered procurement solution that modernizes the U.S. nuclear supply chain through part discovery (reducing research time by over 70%), item sourcing, and real-time status reporting across procurement, QA, and logistics.
- Capitalizer AI-powered CapEx/OpEx classification tool that reads accounting procedures and work to identify capitalization opportunities, with customizable rules, automatic expense classification, and complete audit trails for nuclear finance teams.
- Project Genius Outage scheduling optimization tool that leverages P6 data, historical project data, machine learning, and Monte Carlo simulations to predict and model outage and project durations, identify crucial activities influencing schedules, and enable resource planning.
- Nuclearn Agents The nuclear industry's first agentic AI solution, designed to automate complex multi-step workflows across plant design, licensing, construction, and operations and to integrate with plant monitoring systems at nuclear utilities.
- Nuclearn AI Marketplace Hub for nuclear-specific AI agents and datasets that enables nuclear professionals to access tools for 50.59 applicability screening, regulatory correspondence, and aging management.
Quantifiable outcome
- CapAI automates 80% of condition reports with AI screening
- +6 more outcomes
Companies that use Nuclearn
Customer profileNamed customers2 records
Segments3 records
Ideal customer profiles2 records
Nuclearn technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability11 records
Feature10 records
Nuclearn partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- NPX (Nuclear Promise X)coreStrategic collaboration announced February 9, 2026 to explore accelerating the safe, practical adoption of AI in nuclear operations and new nuclear projects. Partnership combines NPX's nuclear operations and project delivery expertise with Nuclearn's AI capabilities to address industry challenges including accuracy, cybersecurity, regulatory confidence, and organizational adoption.
- DataGlancecoreStrategic partnership with DataGlance, the nuclear industry's leading provider of mobile digital work solutions, to integrate AI into work order management systems. DataGlance's mobile solutions support online and outage maintenance activities in connected and disconnected environments, and the partnership brings AI automation to nuclear facility planning and execution processes.
Scale indicators5 records
Recent moves10 records
Expansion highlights6 records
Nuclearn competitors and assessment
Company assessmentDirect peers
- SparkCognition: Industrial AI platform serving energy, utilities, and heavy industry with vertical-specific ML solutions. Closely comparable to Nuclearn in applying domain-tuned AI to operational and asset-intensive workflows rather than horizontal generative AI.
Broad incumbents
- C3.ai: Enterprise AI platform with deployed applications across energy, manufacturing, and utilities. Comparable as a model-and-application enterprise AI vendor targeting regulated industries, though much broader and not nuclear-specialized.
- Palantir Technologies: Enterprise data and AI platform (Foundry/AIP) used across energy, defense, and regulated industries. Comparable as a broad incumbent whose AIP platform overlaps with Nuclearn's agentic and document-intelligence capabilities for utility buyers.
- Aspen Technology (AspenTech): Industrial AI and asset performance software widely used by power generators, including nuclear operators. Comparable as an incumbent whose APC and digital twin products overlap with Nuclearn's engineering and operations use cases.
- AVEVA: Industrial software platform (formerly Schneider Electric industrial software) serving power and process industries with engineering, operations, and asset management software. Comparable as an incumbent EAM/data layer that Nuclearn integrates with via REST APIs.
Emerging players
- Beyond Limits: Industrial AI company applying hybrid AI/reasoning systems to energy, utilities, and heavy industry. Comparable in targeting complex, regulated operational workflows where generic AI underperforms.
- Uptime AI: AI-driven operations and reliability platform for heavy industry and power generation. Comparable as an emerging AI-for-operations peer focused on reducing unplanned downtime in industrial plants.
Regional players
- Uplight: Energy-focused SaaS for utilities covering customer energy management, DER orchestration, and grid analytics. Comparable as a vertical AI/SaaS vendor selling into regulated US utilities, though focused on the grid edge rather than generation.
Others
- Lightbridge: Advanced nuclear fuel technology company operating within the same nuclear industry ecosystem. Adjacent — not a software peer — but useful as a comparable nuclear-focused growth-stage private company and ecosystem signal.
- X-energy: Advanced reactor (Xe-100 SMR) developer and a potential Nuclearn customer rather than competitor. Relevant as a comparator in the nuclear renaissance narrative and as a downstream buyer of Nuclearn's design/licensing AI capabilities.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Nuclearn social profiles
Digital presenceNuclearn compliance and trust
Trust signalCompliance1 record
Nuclearn financial estimates
Financial estimateRevenue estimate
Valuation estimate
Nuclearn leadership team
Management profileNumber of profiles
Profiles5 records
Nuclearn funding detail
Funding detailFunding overview
Funding rounds2 records
Investors4 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Nuclearn M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Nuclearn
What does Nuclearn do?
Nuclearn develops and sells a suite of AI software products purpose-built for the nuclear power industry, including AtomAssist (nuclear-specific generative AI assistant), Cap AI and Performance Improvement AI (corrective action program automation), Engineering AI (10 CFR 50.59/72.48 evaluations), Parts AI (supply chain), Capitalizer (CapEx/OpEx classification), and Project Genius (outage scheduling). The platform is powered by proprietary nuclear-domain large language models (GAMMA2 with 32B parameters and SPARK-mini) and deployed on-premise, in private cloud, or in Government Cloud environments.
Is Nuclearn a public or private company?
Nuclearn is a private company. It is classified as venture growth investor backed and is currently operating.
When was Nuclearn founded?
Nuclearn was founded in 2021. It employs 11 to 50 people.
Where is Nuclearn based?
Nuclearn is headquartered in Phoenix, United States, in the North America region.
How does Nuclearn make money?
Three revenue lines are on record. Annual Subscription is the primary driver. The others are licensing (Active User, Named Users, Enterprise) and on-premise or Cloud Deployment.
Who are Nuclearn's main competitors?
SparkCognition is listed as a direct peer. Broad incumbents are C3.ai, Palantir Technologies, Aspen Technology (AspenTech) and AVEVA. Emerging players are Beyond Limits and Uptime AI. Uplight is listed as a regional player. Others are Lightbridge and X-energy.
Does Nuclearn have an API?
Yes. Nuclearn platform exposes common REST APIs for all operations, enabling integration with various Enterprise Asset Management (EAM) systems. The platform supports integrations with Maximo, SAP, and Oracle EAM systems. Data export capabilities allow connection to Power BI as a web data source. Developer documentation is at nuclearn.ai.
What industry is Nuclearn in?
Nuclearn's product category is Nuclear Industry AI Software. Its primary akta.pro industry code is HDAEANAJ, AI Application Enablement Platforms (Copilot/Agent Frameworks, SDKs), with a secondary code of HDAEANAA, End-to-End Enterprise AI Platforms (MLOps & Model Lifecycle Management). Its NAICS code is 51321 and its SIC code is 7372.