Constellation logo

Constellation

Last updated: . For recent data, use our API.

Overview

(NASDAQ: CEG · $253.45 ▼ 0.7%) Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading energy supplier to businesses, homes and public sector customers nationwide, including three-fourths of Fortune 100 companies. With annual output that is nearly 90% carbon-free, our hydro, wind and solar facilities paired with the nation’s largest nuclear fleet have the generating capacity to power the equivalent of 16 million homes, providing about 10% of the nation’s clean energy. We are committed to investing in innovative technologies to drive the transition to a reliable, sustainable and secure energy future.

Constellation's fleet has 55 GW of generating capacity from nuclear, natural gas, oil, geothermal, hydro, wind and solar facilities. The company employs about 16,500 people and serves roughly 2.5 million customer accounts. Its nuclear generation sites include the Crane Clean Energy Center in Middletown, Pennsylvania, the Clinton Clean Energy Center in Clinton, Illinois, and the Nine Mile Point Clean Energy Center in Oswego, New York. The corporate headquarters is located at 1310 Point Street in Baltimore, Maryland. Constellation focuses on meeting power demand from the data economy, electrification and onshoring while building capacity for future energy needs.

https://www.constellationenergy.com/our-company/what-we-stand-for/our-purpose.htm Learn more at www.constellationenergy.com or on Twitter at @ConstellationEG. Subscribe to our blog at www.constellation.com/subscribe

Private funding before listing

7 rounds. Latest: Post-IPO Debt, 18 Nov 2025.

DateTypeAmount
18 Nov 2025Post-IPO DebtNot disclosed
More funding rounds via API
Get company data via API

Get company records through the Enrich Layer API. These pages show previews only.

Office locations

Latest videos from Constellation on YouTube

  • 3 Quick Checks Before Getting Your Home Ready for Trick-or-Treating | Constellation Energy
  • 3 Energy-Efficient Halloween Movie Night Habits | Constellation Energy
  • Google and Constellation Announce Landmark Agreement
  • Deer Lakes School District | Customer Story
View channel

Recent posts from the Constellation blog

Constellation FAQ

As of 2026-10-19, Constellation has 8,895 employees, based on the Enrich Layer count of person profiles that list Constellation as their current employer. Its listed company size band is 10,001+.
As of 2026-10-19, Constellation is headquartered in Baltimore, MD, US.
As of 2026-10-19, Constellation is classified in the Utilities industry.
Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading energy supplier to businesses, homes and public sector customers nationwide, including three-fourths of Fortune 100 companies. With annual output that is nearly 90% carbon-free, our hydro, wind and solar facilities paired with the nation’s largest nuclear fleet have the generating capacity to power the equivalent of 16 million homes, providing about 10% of the nation’s clean energy. We are committed to investing in innovative technologies to drive the transition to a reliable, sustainable and secure energy future.
As of 2026-10-19, Constellation's official website is http://www.constellationenergy.com/.
As of 2026-10-19, Constellation is a public company.