Constellation
Constellation is the largest producer of clean, carbon-free energy in the United States, headquartered in Baltimore, Maryland. The company serves nearly two million customers, including homes, businesses, and public sector entities, and supplies energy to three-fourths of Fortune 100 companies. With a diverse generation fleet that includes nuclear, hydro, wind, and solar power, Constellation has a total capacity exceeding 32,400 megawatts, powering over 16 million homes and businesses. The company offers a wide range of energy products and services, including electric power, natural gas, and energy management solutions. It is among the top three retail natural gas suppliers in the country and provides tailored energy solutions for various customer segments. Constellation emphasizes sustainability and corporate responsibility, supporting clients in achieving their climate goals with innovative clean energy products. Recent initiatives include a contract with Microsoft to restart a nuclear reactor and plans to acquire Calpine, further enhancing its clean energy portfolio.
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Headcount trend
Constellation went from 6,031 employees in Jul 2023 to 6,780 in Jun 2025. Last 6 months: 488 people joined, 96 left.
Org structure
Headcount by department
Hiring now
See all jobsSalaries at Constellation
All salaries38 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 18 filings.
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Constellation FAQ
How many employees does Constellation have?
Constellation has about 6,780 employees, up 1.2% over the last 3 months (as of Jun 2025).
Does Constellation sponsor H1B visas?
Yes. Constellation filed 18 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Constellation's revenue per employee?
Constellation makes about $3.54M in revenue per employee, based on $23.99B annual revenue and 6,780 employees.
How much does Constellation pay?
6figr has 38 salary profiles for Constellation in the US and 2 in India, with pay broken down by role, level, gender and ethnicity on the Constellation salaries page. See Constellation salaries in the US
Data from Apollo, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 11 Oct 2026.