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Nuclear Power in the US Industry Data and Analysis
Nuclear power companies produce electricity by heating water in a reactor via nuclear fission and using the produced steam to spin large turbines. The United States has more nuclear electricity generation capacity than any other country, generating more than 782.0 billion kilowatt-hours of electricity alone, according to the Energy Information Administration's (EIA) most recent Electric Power Monthly report. For the first 11 months of 2025, net generation increased by 1.0% compared to the same period in 2024. Even so, public concerns about nuclear power safety have swelled. Nuclear power producers have also faced rising competition from renewable and traditional energy sources. In response, nuclear capacity additions have slowed and older facilities have steadily closed. Nonetheless, in 2023, the country saw its first nuclear reactor, Vogtle 3, enter the power grid in 2016, with Vogtle 4 commencing operation in 2024.
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What's included in this industry analysis
IBISWorld's research coverage on the Nuclear Power industry in the United States includes market sizing, forecasting, data and analysis from 2016-2031. The most recent publication was released February 2026.
About this industry
What's this industry report about?
The Nuclear Power industry in the United States operates under the NAICS industry code 22111b. This industry consists of companies that operate nuclear-powered, electricity generation plants. The power plants use nuclear fuel to generate steam, which in turn is used to power turbines that generate electric power. The electricity reaches end users via transmission or distribution systems. This industry excludes government-owned nuclear facilities. Related terms covered in the Nuclear Power industry in the United States include kilowatt hour, electricity utility, base load power and uprate.
What's included in this industry?
Products and services covered in Nuclear Power industry in the United States include Nuclear generation from utilities, Nuclear generation from independent power producers and Other.
What companies are included in this industry?
Companies covered in the Nuclear Power industry in the United States include Exelon Corporation, Dominion Energy, Inc. and Entergy Corporation.
Performance
What's included in the Performance chapter?
The Performance chapter covers detailed analysis, datasets, detailed current performance, sources of volatility and an outlook with forecasts for the Nuclear Power industry in the United States.
Questions answered in this chapter include what's driving current industry performance, what influences industry volatility, how do successful businesses overcome volatility, what's driving the industry outlook. This analysis is supported with data and statistics on industry revenues, costs, profits, businesses and employees.
Products & Markets
What's included in the Products and Markets chapter?
The Products and Markets chapter covers detailed products and service segmentation and analysis of major markets for the for the Nuclear Power industry in the United States.
Questions answered in this chapter include how are the industry's products and services performing, what are innovations in industry products and services, what products or services do successful businesses offer and what's influencing demand from the industry's markets. This includes data and statistics on industry revenues by product and service segmentation and major markets.
Geographic Breakdown
What's included in the Geographic Breakdown chapter?
The Geographic Breakdown chapter covers detailed analysis and datasets on regional performance of the Nuclear Power industry in the United States.
Questions answered in this chapter include where are industry businesses located and how do businesses use location to their advantage. This includes data and statistics on industry revenues by location.
Competitive Forces
What's included in the Competitive Forces chapter?
The Competitive Forces chapter covers the concentration, barriers to entry and supplier and buyer profiles in the Nuclear Power industry in the United States. This includes data and statistics on industry market share concentration, barriers to entry, substitute products and buyer & supplier power.
Questions answered in this chapter include what impacts the industry's market share concentration, how do successful businesses handle concentration, what challenges do potential industry entrants face, how can potential entrants overcome barriers to entry, what are substitutes for industry services, how do successful businesses compete with substitutes and what power do buyers and suppliers have over the industry and how do successful businesses manage buyer & supplier power.
Companies
What's included in the Companies chapter?
The Companies chapter covers Key Takeaways, Market Share and Companies in the Nuclear Power industry in the United States. This includes data and analysis on companies operating in the industry that hold a market share greater than 5%.
Questions answered in this chapter include what companies have a meaningful market share and how each company is performing.
External Environment
What's included in the External Environment chapter?
The External Environment chapter covers Key Takeaways, External Drivers, Regulation & Policy and Assistance in the Nuclear Power industry in the United States. This includes data and statistics on factors impacting industry revenue such as economic indicators, regulation, policy and assistance programs.
Questions answered in this chapter include what demographic and macroeconomic factors impact the industry, what regulations impact the industry, what assistance is available to this industry.
Financial Benchmarks
What's included in the Financial Benchmarks chapter?
The Financial Benchmarks chapter covers Key Takeaways, Cost Structure, Financial Ratios, Valuation Multiples and Key Ratios in the Nuclear Power industry in the United States. This includes financial data and statistics on industry performance including key cost inputs, profitability, key financial ratios and enterprise value multiples.
Questions answered in this chapter include what trends impact industry costs and how financial ratios have changed overtime.
Industry Data
What's included in the Industry Data chapter?
The Industry Data chapter includes 10 years of historical data with 5 years of forecast data covering statistics like revenue, industry value add, establishments, enterprises, employment and wages in the Nuclear Power industry in the United States.
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Frequently Asked Questions
What is the market size of the Nuclear Power industry in the United States in 2026?
The market size of the Nuclear Power industry in the United States is $40.3bn in 2026.
How many businesses are there in the Nuclear Power industry in the United States in 2026?
There are 37 businesses in the Nuclear Power industry in the United States, which has declined at a CAGR of 1.0 % between 2021 and 2026.
How may import tariffs affect the Nuclear Power industry in the United States?
The Nuclear Power industry in the United States is unlikely to be materially impacted by import tariffs with imports accounting for a low share of industry revenue.
How may export tariffs affect the Nuclear Power industry in the United States?
The Nuclear Power industry in the United States is unlikely to be materially impacted by export tariffs with exports accounting for a low share of industry revenue.
Has the Nuclear Power industry in the United States grown or declined over the past 5 years?
The market size of the Nuclear Power industry in the United States has been growing at a CAGR of 0.9 % between 2021 and 2026.
What is the forecast growth of the Nuclear Power industry in the United States over the next 5 years?
Over the next five years, the Nuclear Power industry in the United States is expected to grow.
What are the biggest companies in the Nuclear Power industry in the United States?
The biggest companies operating in the Nuclear Power industry in the United States are Exelon Corporation, Dominion Energy, Inc. and Entergy Corporation
What does the Nuclear Power industry in the United States include?
Generating nuclear electric power and are part of the Nuclear Power industry in the United States.
Which companies have the highest market share in the Nuclear Power industry in the United States?
The company holding the most market share in the Nuclear Power industry in the United States is Exelon Corporation.
How competitive is the Nuclear Power industry in the United States?
The level of competition is moderate and increasing in the Nuclear Power industry in the United States.
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