Image of Constellation Energy

Constellation Energy

Organization

A power company that struck a deal with Microsoft to restart a historic nuclear reactor.


First Mentioned

6/16/2026, 6:03:09 AM

Last Updated

6/16/2026, 6:07:13 AM

Research Retrieved

6/16/2026, 6:07:13 AM

Summary

Constellation Energy Corporation is a prominent American energy company headquartered in Baltimore, Maryland, specializing in electric power, natural gas, and clean energy management services. Originally established in 1999 by Baltimore Gas and Electric, the company merged with Exelon in 2012 before spinning off as an independent entity in 2022. As a leading producer of emissions-free energy, Constellation operates a vast portfolio of nuclear, hydro, wind, and solar assets, serving approximately two million customers. The company has recently gained significant attention for its Power Purchase Agreement with Microsoft, aimed at reviving the Three Mile Island nuclear reactor (rebranded as the Crane Clean Energy Center) to supply clean, reliable baseload power for AI data centers.

Research Data
Extracted Attributes
  • Headquarters

    Baltimore, Maryland, United States

  • Stock Ticker

    CEG

  • Spin-off Date

    2022-01-01

  • Customer Count

    Approximately 2,000,000

  • Inception Date

    1999-01-01

  • President and CEO

    Joseph Dominguez

  • Generating Capacity

    31,676 megawatts

  • Number of Employees

    15,291

  • Chief Financial Officer

    Shane Smith

Timeline
  • Baltimore Gas and Electric creates Constellation as a holding company. (Source: Wikipedia)

    1999-01-01

  • Constellation Energy Group merges with Exelon. (Source: Wikipedia)

    2012-01-01

  • Constellation Energy splits off from Exelon to become an independent, publicly traded company once again. (Source: Wikipedia)

    2022-01-01

Constellation Energy

Constellation Energy Corporation is an American energy company headquartered in Baltimore, Maryland. The company provides electric power, natural gas, and energy management services. It has approximately two million customers across the continental United States. The company was known as Constellation Energy Group (former NYSE ticker symbol CEG), a Fortune 500 company and one of the largest electricity producers in the United States, until a merger with Exelon in 2012. When FERC approved the acquisition, Constellation Energy's energy supply business was re-branded as Constellation, an Exelon company. As part of the 2012 merger, Baltimore Gas and Electric, the regulated utility operated by Constellation Energy, became a regulated utility operating under Exelon Utilities. The current iteration of the company was founded in 2022 after splitting off from Exelon. Before merging with Exelon, Constellation Energy Group operated more than 35 power plants in 11 states (mainly Maryland, Pennsylvania, New York, West Virginia, and California). Baltimore Gas and Electric created Constellation as a holding company in 1999.

Web Search Results
  • Constellation Energy

    Increase Decrease Decrease Increase Increase Constellation Energy Corporation is an American energy company headquartered in Baltimore, Maryland. The company provides electric power, natural gas, and energy management services. It has approximately two million customers across the continental United States. [...] The company was known as Constellation Energy Group (former NYSE ticker symbol CEG), a Fortune 500 company and one of the largest electricity producers in the United States, until a merger with Exelon in 2012. When FERC approved the acquisition, Constellation Energy's energy supply business was re-branded as Constellation, an Exelon company. As part of the 2012 merger, Baltimore Gas and Electric, the regulated utility operated by Constellation Energy, became a regulated utility operating under Exelon Utilities. The current iteration of the company was founded in 2022 after splitting off from Exelon. [...] ## Operations ### Electric power Constellation provides electric power to commercial and industrial customers. Its electricity supply business manages energy sales, dispatch, and delivery from Exelon's power generation portfolio to utilities, municipal co-ops, and energy retailers nationwide. As of 2018( Constellation had around 360 megawatts of solar generation assets that are either in operation or under construction across the United States, including Maryland, California, Arizona, New Jersey, and Texas. In 2011, Constellation was contracted to construct and operate what was then the largest rooftop solar array ever constructed for the Toys-R-Us distribution center in Flanders, New Jersey.

  • About Us - Constellation Energy

    BUSINESS OVERVIEW A Leader in Clean, Reliable Energy Constellation is securing America's energy future by producing clean, reliable energy to meet today's demands while building capacity to meet the energy needs of tomorrow. wide shot of 4 cooling towers along river during the day PURPOSE Light the Way to a Brilliant Tomorrow For All Constellation is committed to living our purpose every day through shared values that guide our work and benefit our customers, our communities and the nation. Purpose Hero Banner Sunset Joseph Dominguez President and Chief Executive Officer Joseph Dominguez headshot Kathleen L. Barrón Executive Vice President and Senior Advisor to the CEO Kathleen Barron headshot David O. Dardis [...] constellation search search constellation close arrow right arrow right arrow right arrow right arrow right arrow right arrow left close arrow right arrow left close arrow right arrow left close arrow right arrow left close arrow right arrow left close arrow right arrow left close arrow right arrow left close arrow right Scroll left Scroll right # About At Constellation, we're building tomorrow's clean, reliable energy while generating power to meet the demands of today. From the data economy to electrification and onshoring, meeting the demand for reliable and clean power is the defining challenge of our generation – and one where we must win to secure America's energy future. BUSINESS OVERVIEW A Leader in Clean, Reliable Energy [...] Kathleen Barron headshot David O. Dardis Senior Executive Vice President and Chief External Affairs and Growth Officer David Dardis headshot Emily Duncan Senior Vice President, Strategy, Corporate Affairs and Advocacy Emily Duncan headshotView All Executives Locations ## Strengthening the Communities We Serve ## Strengthening the Communities We Serve Corporate Office HEADQUARTERS Corporate Headquarters 1310 Point Street Baltimore, Maryland 21231 Generation Facility Nuclear Crane Clean Energy Center 2625 River Road Middletown, Pennsylvania 17057 Generation Facility Nuclear Clinton Clean Energy Center 8401 Power Road Clinton, Illinois 61727 Generation Facility Nuclear Nine Mile Point Clean Energy Center 348 Lake Road Oswego, New York 13126 ACHIEVEMENTS

  • About Constellation | Constellation

    Constellation Customer Login New User? Register Now Constellation Constellation # About Us A leading competitive energy supplier, Constellation and its affiliates, Constellation NewEnergy®, Inc. and Constellation NewEnergy®-Gas Division, LLC, serve over 2 million homes and businesses including 80% of the Fortune 100, with electricity, natural gas and a comprehensive suite of customizable energy products and services. Constellation NewEnergy® procures and purchases electricity for customers and provides brokerage of electricity and natural gas to industrial, commercial and residential end users, consumers and customers. [...] By developing a robust, sustainable product portfolio, we help our customers reach their energy and sustainability goals. We are committed to advancing our sustainability products and services, including hourly carbon-free energy matching, Constellation Offsite Renewables (CORe) and Constellation Navigator, with innovative solutions that help address customers’ evolving needs. ##### Residential ##### Residential ##### Business ##### Business ##### Corporate Information ##### Corporate Information ##### Get In Touch ##### Get In Touch Cookie Settings | Privacy Policy | Terms and Conditions | Blog Policy | California Collection Notice | Ethics Help Line Promotion logo [...] Promotion logo © 2026 Constellation. The offerings described herein are those of either Constellation NewEnergy, Inc., Constellation NewEnergy-Gas Division, LLC, Constellation Connect, LLC or Constellation Home Products & Services, LLC (d/b/a Constellation Home in Maryland and d/b/a Constellation in Georgia, Pennsylvania and Texas), each affiliates of each other. The prices of Constellation are not regulated by any state Public Utility Commission. You do not have to buy Constellation electricity, natural gas or any other products to receive the same quality regulated service from your local utility. Brand names and product names are trademarks or service marks of their respective holders. All rights reserved.

  • CEG: Constellation Energy Corp - Stock Price, Quote and News - CNBC

    Final Trade: CEG, GLD, NDAQ, CLF ### Profile MORE Constellation Energy Corporation is a producer of emissions-free energy and an energy supplier to businesses, homes and public sector customers nationwide. The Company’s nuclear, hydro, wind, and solar generation facilities have the generating capacity to power the equivalent of 27 million homes, providing about 10% of the nation’s clean energy. Its segments include Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. Through its integrated business operations, it... Joseph Dominguez President, Chief Executive Officer, Director Shane Smith Chief Financial Officer, Executive Vice President Daniel Eggers Senior Executive Vice President - Finance and Data Economy Kathleen Barron

  • Constellation Energy Corporation (CEG) Stock Price, News, Quote ...

    Constellation Energy Corporation produces and sells energy products and services in the United States. The company operates through five segments: Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. It offers electricity, natural gas, energy-related products, and sustainable solutions. The company has approximately 31,676 megawatts of generating capacity consisting of nuclear, wind, solar, natural gas, and hydroelectric assets. It serves distribution utilities, municipalities, cooperatives, and commercial, industrial, public sector, and residential customers. The company was incorporated in 2021 and is headquartered in Baltimore, Maryland. www.constellationenergy.com 15,291 ### Full Time Employees December 31 ### Fiscal Year Ends Utilities ### Sector [...] Constellation Energy (CEG) is actively reshaping its investment narrative through a $3.09 billion equity raise and significant operational upgrades, including a $90 million enhancement at its Limerick Clean Energy Center. The company is positioning itself to meet growing demand from tech giants like Microsoft and Meta while facing regulatory and execution challenges. Updated 1h ago · Powered by Yahoo Scout [...] Chart does not reflect overnight price. ## News headlines Constellation Energy (CEG) is actively reshaping its investment narrative through a $3.09 billion equity raise and significant operational upgrades, including a $90 million enhancement at its Limerick Clean Energy Center. The company is positioning itself to meet growing demand from tech giants like Microsoft and Meta while facing regulatory and execution challenges.

Location Data

Constellation, 200, Energy Way, Kennett Square, Chester County, Pennsylvania, 19348, United States

commercial

Coordinates: 39.8549946, -75.6994004

Open Map