Exelon Generation

Exelon Generation. It is the competitive power generation subsidiary of the utility holding company Exelon, operating one of the United States' largest clean energy fleets. Headquartered in Kennett Square, Pennsylvania, the company manages a diverse portfolio of generating assets across multiple North American Electric Reliability Corporation regions. Its operations are critical to providing baseload and renewable power to wholesale markets and regulated utilities.

History

The entity was formed in 2000 following the merger of PECO Energy and Unicom, the parent company of Commonwealth Edison. This consolidation created Exelon and established its generation arm to operate the combined fleet. A significant expansion occurred in 2012 with the completion of a merger with Constellation Energy, which brought the Nine Mile Point Nuclear Generating Station and other assets into the portfolio. Throughout its history, the company has divested several fossil-fuel plants, including the 2014 sale of its Joliet Energy Center to NRG Energy, to focus on its core nuclear and renewable businesses. The 2022 separation of Exelon's utility businesses from its generation and competitive energy business, which became a new entity named Constellation Energy, marked a major corporate restructuring, though the legacy generation assets remain under the original corporate umbrella.

Operations

The company operates power plants across various ISO and RTO markets, including PJM Interconnection, the Midcontinent Independent System Operator, and the New York Independent System Operator. Its dispatchable generation provides essential grid stability and capacity within these competitive wholesale electricity markets. A significant portion of its operational strategy involves fuel procurement, with major uranium supply contracts historically held with companies like Cameco. The company also engages in extensive trading and marketing activities through offices in Baltimore and Chicago, managing the sale of power, capacity, and renewable energy credits. Maintenance and refueling operations for its nuclear units are coordinated on precise cycles, often involving specialized contractors like Bechtel and Westinghouse Electric Company.

Nuclear fleet

It owns and operates the largest fleet of commercial nuclear reactors in the United States, with stations located in Illinois, Pennsylvania, and New York. Key facilities include the Braidwood Nuclear Generating Station, the Limerick Nuclear Power Plant, and the Three Mile Island Nuclear Generating Station (Unit 1, prior to its 2019 closure). The LaSalle County Nuclear Generating Station and the Byron Nuclear Generating Station are critical baseload assets within the MISO and PJM Interconnection markets, respectively. These pressurized water reactors and boiling water reactors collectively provide over 18,000 megawatts of carbon-free electricity. The company has been a proponent of federal policies like the Production Tax Credit to support the economic viability of these plants and has implemented power uprates at sites such as the Quad Cities Nuclear Generating Station to increase output.

Environmental and safety record

The company's nuclear operations are regulated by the United States Nuclear Regulatory Commission, which conducts routine inspections and issues annual assessment letters for each plant. Its facilities have generally received high safety ratings, though some sites, like the Limerick Nuclear Power Plant, have been subject to heightened oversight following specific inspection findings. The fleet is a leading national contributor to the avoidance of carbon dioxide emissions, a fact often highlighted in reports by the United States Department of Energy and the Environmental Protection Agency. The company manages all spent nuclear fuel on-site in compliance with the Nuclear Waste Policy Act, utilizing dry cask storage systems at locations including the Calvert Cliffs Nuclear Power Plant. It has also settled enforcement actions, such as a 2020 case with the Pennsylvania Department of Environmental Protection related to the Peach Bottom Atomic Power Station.

Corporate structure and leadership

As a wholly-owned subsidiary of Exelon, it functions as the corporation's competitive merchant power business. Executive leadership has historically included figures like Christopher Crane, former President and CEO of Exelon, and Kenneth Cornew. Current leadership includes President and Chief Nuclear Officer Bryan Hanson and Executive Vice President Kathleen Barron, who oversees government and regulatory affairs. The company's financial performance and strategic direction are integral to Exelon's overall earnings, with its operations significantly influenced by market prices in PJM Interconnection and commodity costs. Its corporate governance and compliance are structured to meet the requirements of the Securities and Exchange Commission and various state public utility commissions.

Category:Exelon Category:Electric power companies of the United States Category:Companies based in Pennsylvania Category:Nuclear power companies of the United States