Constellation Energy
Constellation Energy is a leading supplier of clean energy and a provider of sustainable energy solutions in the United States. The company operates a diverse fleet of generating assets, including nuclear, wind, solar, natural gas, and hydroelectric facilities, to produce carbon-free electricity. Its integrated business model combines large-scale power generation with a retail and wholesale marketing platform that delivers electricity, natural gas, and energy-related products to a wide range of customers in competitive markets.
Financials
Based on Q1 2026 filing
Revenue
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Power Generation
primaryThe core operational unit focused on the production of electricity from a diverse portfolio of energy sources, with a heavy emphasis on carbon-free nuclear power. This segment manages the lifecycle of generating facilities, including maintenance, regulatory compliance, and fuel procurement.
Nuclear Power, Wind Energy, Solar Energy, Hydroelectric Power, Natural Gas Generation, Carbon Mitigation Credits (CMCs)
Wholesale Energy Markets, Regional Transmission Organizations, Distribution Utilities
Customer-Facing Energy Services
majorThe commercial arm that markets and sells energy products and sustainable solutions directly to end-users and intermediaries. It leverages the company's generation output to provide integrated energy management and supply services.
Retail Electricity, Natural Gas Supply, Sustainable Energy Solutions, Energy Management Services
Commercial Enterprises, Industrial Manufacturers, Governmental Agencies, Residential Customers, Municipalities, Cooperatives
Segment Financials
Other Power Regions — Revenues, Net of Purchased Power and Fuel Expense
View metricOther Power Regions — Purchased Power and Fuel Expenses
View metricNew York — Purchased Power and Fuel Expenses
View metricERCOT — Revenues, Net of Purchased Power and Fuel Expense
View metricERCOT — Purchased Power and Fuel Expenses
View metricBusiness Overview
Competitive Position
The company is the largest operator of nuclear power plants in the United States and a dominant provider of carbon-free energy in competitive markets.
Geographies
United States, Mid-Atlantic, Midwest, New York, Texas (ERCOT)
Customer Segments
Residential, Commercial, Industrial, Public Sector, Utility
Upstream Dependencies
Nuclear fuel suppliers, Natural gas producers, Power generation equipment manufacturers, Specialized engineering services
Downstream Customers
Residential homeowners, Large-scale industrial plants, Data centers, Municipal governments, Retail electricity providers
Competitors & Partners
Competitors
Vistra
VST
Major competitive power generator and retail electricity provider
NRG Energy
NRG
Competitor in retail energy markets and competitive generation
Public Service Enterprise Group
PEG
Competitor in merchant nuclear generation and wholesale markets
Nextra Energy
NEE
Competitor in renewable energy development and power generation
Exelon
EXC
Former generation subsidiary spun off in 2022
Partners
Exelon
EXC
Former parent company with ongoing transition and service agreements
Exelon
EXC
Counterparty for Carbon Mitigation Credit (CMC) procurement
Illinois Power Agency (IPA)
State agency managing the procurement of carbon-free attributes from nuclear plants
Subsidiaries
Constellation Energy Nuclear Group (CENG)
Nuclear generation entity formerly a joint venture, now fully owned after purchasing EDF's interest
Constellation Energy FAQ
Common questions about Constellation Energy
Constellation Energy is a leading supplier of clean energy and a provider of sustainable energy solutions in the United States. The company operates a diverse fleet of generating assets, including nuclear, wind, solar, natural gas, and hydroelectric facilities, to produce carbon-free electricity. Its integrated business model combines large-scale power generation with a retail and wholesale marketing platform that delivers electricity, natural gas, and energy-related products to a wide range of customers in competitive markets.
Constellation Energy (CEG) has a market capitalization of $106.22B and trades on NASDAQ.
Constellation Energy generated $30.1B in trailing twelve-month revenue with net income of $3.3B, representing a net margin of 10.8%, with free cash flow of -$2.1B. These figures are based on the Q1 2026 filing.
Constellation Energy's key competitors include Vistra Corp., NRG Energy, Public Service Enterprise Group Incorporated, and others. These companies compete in similar markets and product categories.
Constellation Energy has approximately 13,871 employees.