Constellation Energy Corporation

Company Overview

Business Model: Constellation Energy Corporation is the largest private-sector power producer globally and the nation's largest producer of clean and reliable energy, following its acquisition of Calpine Corporation in January 2026. The company operates a diversified fleet with 55 GWs of capacity from nuclear, natural gas, geothermal, hydro, wind, and solar facilities, capable of powering the equivalent of 27 million homes and providing approximately 10% of the nation's clean energy. It is also the largest nuclear energy company in the U.S. and a leading competitive retail supplier, serving approximately 2.5 million customer accounts nationwide, including three-fourths of the Fortune 100. The business model integrates generation and customer-facing operations, selling electricity, natural gas, and other energy-related products and sustainable solutions.

Market Position: Constellation Energy Corporation holds a leading market position as the largest private-sector power producer in the world and the nation's largest producer of clean energy. It operates the largest emissions-free generation fleet in the U.S. and is recognized for having the cleanest large generation portfolio in the country according to the 2025 ERM Report. In the retail market, the company is a leader in electric power supply, serving approximately 147 TWhs of retail load in 2025, primarily to commercial and industrial customers. It maintains a strong direct commercial and industrial market share of over 32%, driven by consistently high renewal rates (77% for power, 84% for gas in 2025) and new customer acquisition rates (nearly one in three new customers over the past seven years).

Recent Strategic Developments:

• Acquisition of Calpine Corporation: On January 7, 2026, Constellation Energy Corporation acquired Calpine Corporation for approximately $22 billion, consisting of 50 million newly issued shares of common stock and $4.5 billion in cash. This acquisition added approximately 23 GWs of natural gas, geothermal, battery storage, and solar generation capacity across 72 assets, approximately 62 TWhs of annual load, and 2,500 employees. The transaction requires the divestiture of five generating assets in PJM Interconnection, LLC, one in Electric Reliability Council of Texas, and Calpine Corporation's minority interest in the Gregory Power Plant by September 4, 2026.
• Crane Clean Energy Center Restart: In 2024, Constellation Energy Corporation announced the restart of Three Mile Island Unit 1, renamed Crane Clean Energy Center, supported by a 20-year Power Purchase Agreement with Microsoft. The plant is expected to provide approximately 835 MWs of emissions-free capacity. In November 2025, the United States Department of Energy Office of Energy Dominance Financing issued a guarantee for up to a $1.0 billion unsecured loan to support the restart.
• Conowingo Hydroelectric Project License Renewal: In September 2025, Constellation Energy Corporation reached a settlement agreement with Maryland Department of the Environment, Lower Susquehanna Riverkeeper Association, and Waterkeepers Chesapeake, resolving outstanding water quality certification issues. This agreement facilitates the resubmission of the license application with the Federal Energy Regulatory Commission for a new 50-year license.
• Clinton Clean Energy Center Power Purchase Agreement with Meta Platforms, Inc.: In June 2025, a 20-year Power Purchase Agreement was signed with Meta Platforms, Inc. for the output of the Clinton Clean Energy Center, starting in June 2027. This agreement supports the relicensing and continued operations of the plant for two decades and includes 30 MWs of plant uprates expected to be completed by 2029, which are anticipated to qualify for the technology-neutral clean electricity Production Tax Credit (45Y).
• One Big Beautiful Bill Act of 2025 (OBBBA): Signed into law in July 2025, the OBBBA preserves and enhances federal tax credits from the Inflation Reduction Act of 2022 for nuclear, Carbon Capture, Utilization, and Storage, geothermal, and other investments, reinforcing the long-term economic viability of the company's nuclear generation assets.

Geographic Footprint: Constellation Energy Corporation operates across multiple geographic regions in the United States and Canada. Its primary operational regions and reportable segments as of December 31, 2025, include:

• Mid-Atlantic: 10,386 MWs (33% of net generation capacity), covering the eastern half of PJM Interconnection, LLC.
• Midwest: 11,606 MWs (37% of net generation capacity), covering the western half of PJM Interconnection, LLC and the U.S. footprint of Midcontinent Independent System Operator, Inc.
• New York: 3,093 MWs (10% of net generation capacity), within the New York Independent System Operator region.
• Electric Reliability Council of Texas: 4,742 MWs (15% of net generation capacity), covering a majority of Texas.
• Other Power Regions: 1,849 MWs (5% of net generation capacity), including New England, South, West, and Canada. The acquisition of Calpine Corporation further strengthens the company's presence in Texas, California, and the Northeast regions of the U.S.

Financial Performance

Revenue Analysis

Profitability Metrics:

• Operating Margin: 12.09% (2025)
• Net Margin: 9.10% (2025)

Investment in Growth:

• Capital Expenditures: $2.95 billion (2025) compared to $2.57 billion (2024).
• Strategic Investments: The acquisition of Calpine Corporation for approximately $22 billion (January 2026) and a $1.0 billion unsecured loan guarantee from the United States Department of Energy for the Crane Clean Energy Center restart (November 2025). Projected capital expenditures for 2026 and 2027 are approximately $5.7 billion and $4.7 billion, respectively, including $3.9 billion for growth initiatives such as nuclear uprates, co-location infrastructure, and license renewals.

Business Segment Analysis

Mid-Atlantic

Financial Performance:

• Revenue: $6,487 million (+17.5% YoY)
• Key Growth Drivers: Favorable retail load revenue of $700 million, primarily due to higher volumes and prices. Product Portfolio: Major assets include nuclear facilities (Limerick, Calvert Cliffs, Peach Bottom, Salem, and the planned Crane Clean Energy Center restart), hydroelectric projects (Conowingo, Muddy Run), and a mix of wind, solar, oil, and natural gas generating assets. Market Dynamics: Operates in the eastern half of PJM Interconnection, LLC, participating in capacity auctions. The New Jersey Clean Energy Legislation Zero Emission Credit program concluded in May 2025.

Midwest

Financial Performance:

• Revenue: $5,804 million (+20.8% YoY)
• Key Growth Drivers: Favorable net generation and wholesale load revenue of $900 million, primarily driven by higher capacity revenues and generation-to-load optimization. Product Portfolio: Key nuclear facilities include Braidwood, Byron, LaSalle, Dresden, Quad Cities, and Clinton. The segment also includes various wind farms and the Clinton Battery Storage facility. Market Dynamics: Covers the western half of PJM Interconnection, LLC and the U.S. footprint of Midcontinent Independent System Operator, Inc. The segment benefits from the Illinois Zero Emission Standard (through May 2027) and the Illinois Clean Energy Law Carbon Mitigation Credit program (through May 2027).

New York

Financial Performance:

• Revenue: $2,190 million (+6.8% YoY)
• Key Growth Drivers: Favorable net generation revenue of $255 million, primarily due to higher capacity revenues. Product Portfolio: Comprises nuclear generating stations such as Nine Mile Point Unit 1, Nine Mile Point Unit 2, FitzPatrick, and Ginna. Market Dynamics: Operates within the New York Independent System Operator region, participating in capacity auctions. The New York Clean Energy Standard Zero Emission Credit program was extended for 20 years through 2049 in January 2026.

Electric Reliability Council of Texas

Financial Performance:

• Revenue: $1,904 million (+22.8% YoY)
• Key Growth Drivers: Favorable realized economic hedges of $150 million and higher capacity revenues. Product Portfolio: Includes the South Texas Project nuclear facility, wind farms (Whitetail, Sendero), and natural gas plants (Colorado Bend II, Wolf Hollow II, Handley 3, Handley 4, 5). Market Dynamics: Operates within the Electric Reliability Council of Texas, which does not have a capacity market. The Texas Energy Fund provides support for new dispatchable generation, with Calpine Corporation's Pin Oak Creek peaking facility receiving a $278 million loan.

Other Power Regions

Financial Performance:

• Revenue: $5,583 million (+1.4% YoY)
• Key Growth Drivers: Favorable retail load revenue of $50 million, primarily due to higher volumes and prices. Product Portfolio: A diverse portfolio including solar facilities (Antelope Valley, Sacramento Photovoltaic Energy, Denver Airport Solar), numerous wind farms, and natural gas/oil plants (Hillabee, Grand Prairie, Wyman 4, West Medway II, West Medway, Framingham). Market Dynamics: Encompasses operations in New England, the South, the West, and Canada. The New England region participates in capacity auctions.

Capital Allocation Strategy

Shareholder Returns:

• Share Repurchases: $400 million in 2025 (1.3 million shares) and $999 million in 2024. As of December 31, 2025, $593 million of repurchase authority remained.
• Dividend Payments: $486 million in 2025 and $444 million in 2024.
• Future Capital Return Commitments: The Board of Directors approved a 10% increase in the 2026 quarterly dividend to $0.4265 per share, targeting a 10% annual growth rate.

Balance Sheet Position (as of December 31, 2025):

• Cash and Equivalents: $3.64 billion
• Total Debt: $9.05 billion (comprising $1.65 billion in short-term borrowings and $7.40 billion in long-term debt).
• Net Cash Position: -$5.41 billion (Net Debt).
• Credit Rating: BBB+ by Standard & Poor’s Ratings Services and Baa1 by Moody’s Investors Service, Inc., both affirmed in January 2026 following the Calpine Corporation acquisition.
• Debt Maturity Profile: $92 million in 2026, $666 million in 2027, $828 million in 2028, $157 million in 2029, $99 million in 2030, and $5,561 million in 2031 and thereafter.

Cash Flow Generation:

• Operating Cash Flow: $4.24 billion in 2025, a significant increase from -$2.46 billion in 2024, primarily due to an amendment of the Accounts Receivable Facility and partially offset by increased collateral postings.

Operational Excellence

Production & Service Model: Constellation Energy Corporation operates the nation's largest emissions-free generation fleet, prioritizing safe and efficient operations and cost management. Its nuclear fleet achieved capacity factors of 94.7% in 2025, 94.6% in 2024, and 94.4% in 2023, consistently outperforming the industry average. Average nuclear refueling outage durations were 22 days in 2025, 19 days in 2024, and 21 days in 2023. The natural gas and oil fleet demonstrated strong performance with a Dispatch Match of 97.9% in 2025. Renewable Energy Capture for its hydroelectric, wind, and solar assets was 96.6% in 2025. The company conducts seasonal readiness reviews to ensure operational reliability and fuel availability.

Supply Chain Architecture: Key Suppliers & Partners:

• Nuclear Fuel Suppliers: The company relies on a diverse set of domestic and international suppliers for uranium concentrates, conversion, enrichment, and fabrication services, secured through long-term contracts. Approximately 35% of uranium concentrate requirements from 2026 through 2030 are supplied by three entities.
• Natural Gas Suppliers: Natural gas is procured through a mix of long-term, short-term contracts, and spot-market purchases, complemented by transportation and storage contracts.
• Strategic Partners: Key partnerships include Microsoft for the Crane Clean Energy Center restart and Meta Platforms, Inc. for the Clinton Clean Energy Center output.

Facility Network:

• Manufacturing: As of December 31, 2025, the company owned 31,676 MWs of generating resources, including 14 nuclear generating stations (25 units) with approximately 22 GWs capacity, approximately 7 GWs of natural gas and oil-fueled assets, and approximately 2.6 GWs of hydroelectric, wind, and solar assets. The Calpine Corporation acquisition added approximately 23 GWs across 72 generation and battery storage assets.
• Research & Development: Research efforts focus on advanced nuclear power (including Small Modular Reactors), Carbon Capture, Utilization, and Storage technologies, energy storage, advanced geothermal, and clean hydrogen.
• Distribution: The company's operations span all domestic wholesale power and gas markets across the lower 48 states.
• Other Facilities: Includes the Everett Marine Terminal, a liquefied natural gas import facility in Everett, Massachusetts.

Operational Metrics:

• Total Owned Generating Capacity (as of December 31, 2025): 31,676 MWs
• Total Contracted Generation Capacity (as of December 31, 2025): 4,798 MWs
• Nuclear Fleet Capacity Factor (2025): 94.7%
• Natural Gas and Oil Fleet Dispatch Match (2025): 97.9%
• Renewable Energy Capture (2025): 96.6%
• Total Electric Supply from Owned Sources (2025): 204,944 GWhs
• Total Purchased Power (2025): 63,999 GWhs

Market Access & Customer Relationships

Go-to-Market Strategy: Distribution Channels:

• Direct Sales: Leverages a highly experienced direct sales team for commercial and industrial customers, maintaining a leading market share.
• Channel Partners: Expands market reach through third-party capabilities, a comprehensive support structure, and enhanced digital applications.
• Digital Platforms: Utilizes Constellation Navigator to deliver customized paths and sustainable solutions for customers' energy management and environmental goals, including utility bill management, carbon accounting, and energy efficiency audits.
• Wholesale Channel: Engages in the sale of electricity among electric utilities and marketers, and bilateral sales to municipalities, cooperatives, and other wholesale entities across all domestic power markets.

Customer Portfolio: Enterprise Customers: Constellation Energy Corporation serves approximately 2.5 million customer accounts, including three-fourths of Fortune 100 companies. The company maintains strong customer relationships, evidenced by 2025 renewal rates of 77% for commercial and industrial power customers and 84% for commercial and industrial gas customers. It also boasts high new win rates, acquiring nearly one out of every three new commercial and industrial customers over the past seven years. Strategic partnerships include long-term Power Purchase Agreements with Microsoft and Meta Platforms, Inc. Geographic Revenue Distribution (2025 Electric Power Supply - TWhs):

• Mid-Atlantic: 72,020 GWhs
• Midwest: 96,764 GWhs
• New York: 26,339 GWhs
• Electric Reliability Council of Texas: 25,532 GWhs
• Other Power Regions: 48,288 GWhs
• Total Supply/Sales: 268,943 GWhs

Competitive Intelligence

Market Structure & Dynamics

Industry Characteristics: The U.S. energy sector is undergoing significant transformation, driving increased demand for reliable, clean power. Key trends include expanded policy support for nuclear energy, federal and state incentives for new generation, rapid growth in data centers (consuming 10 to 50 times more energy per square foot than typical commercial offices), economy-wide electrification, onshoring of manufacturing, and evolving customer preferences for clean energy and long-term price stability. Wholesale electricity prices are influenced by marginal fuel costs (especially natural gas), supply-demand dynamics, weather, regulatory interventions, and energy efficiency programs. Regional wholesale markets (PJM Interconnection, LLC, Midcontinent Independent System Operator, Inc., ISO New England Inc., New York Independent System Operator, California ISO, Southwest Power Pool, Alberta Electric Systems Operator, Electric Reliability Council of Texas) operate with distinct rules and procedures.

Competitive Positioning Matrix:

Direct Competitors

• Primary Competitors: Other competitive retail energy suppliers and wholesale generators operating within the various regional transmission organizations and Independent System Operators.

Emerging Competitive Threats: The company faces threats from advancements in distributed and utility-scale generation technologies (e.g., solar, batteries, fuel cells), improvements in energy efficiency, and the increasing supply of clean baseload power from advanced nuclear, Carbon Capture, Utilization, and Storage, and advanced geothermal. The rapid development and integration of Artificial Intelligence could also lower barriers to entry, increasing competition from new market participants.

Competitive Response Strategy: Constellation Energy Corporation's strategy involves investing in innovation and new technologies, optimizing cash returns through disciplined operations and cost management, and maintaining stable margins from its customer-facing business. It pursues growth opportunities through opportunistic energy acquisitions, generation development, nuclear uprates, license extensions, renewable repowering, serving data economy customers, and long-term Power Purchase Agreements. The company also focuses on expanding its sustainability solutions and digital platforms to enhance customer offerings and market share.

Risk Assessment Framework

Strategic & Market Risks

Market Dynamics: The company is exposed to significant price volatility in wholesale and retail power markets, as well as in the procurement of nuclear fuel, natural gas, and oil. These prices are influenced by supply-demand dynamics, fuel costs, market liquidity, weather, regulatory actions, and competition. Unfavorable economic conditions or mild weather can depress demand. Changes in regional transmission organization/Independent System Operator market rules, such as price caps or policies favoring new generation, could adversely affect profitability. Cost and Availability of Fuel: Dependence on nuclear fuel, natural gas, and oil exposes the company to price fluctuations, availability restrictions, tariffs, counterparty default, and geopolitical risks, particularly from the ongoing Russia and Ukraine conflict impacting Russian nuclear fuel supply. Emerging Technologies: Advancements in distributed generation, energy storage, and Artificial Intelligence could impact market prices, reduce demand for grid-supplied energy, and potentially render portions of the company's generation facilities uneconomic. Inflation: Sustained high inflation rates could lead to increased interest rates, capital costs, and labor expenses, negatively impacting financial performance. Economic Downturns: Significant economic downturns could result in decreased energy volumes delivered and an increase in uncollectible customer balances.

Operational & Execution Risks

Supply Chain Vulnerabilities: The company relies on a diverse set of nuclear fuel suppliers, with approximately 35% of uranium concentrate requirements from 2026-2030 sourced from three suppliers, posing a risk of non-performance. Operational Risks: Risks include operational degradation, forced shutdowns, or reduced capacity at generation facilities, leading to revenue loss and increased costs. Dependence on third-party transmission and distribution infrastructure also presents risks of disruption or inadequacy. Nuclear capacity factors are critical, and extended or unplanned refueling outages can negatively impact financial results. The productivity of Calpine Corporation's geothermal resources may be lower than expected, and leases for geothermal steam fields may not be renewed on favorable terms. Capital Intensive Business: The business requires significant capital investments, and failure to effectively manage capital projects or raise necessary capital could negatively impact financial performance. The restart of Crane Clean Energy Center is subject to regulatory approvals, interconnection, permitting, and licensing, with risks of impairment or penalties if timelines are not met. Workforce: The ability to attract and retain a qualified workforce, particularly specialized technical and support employees for generation operations, is critical. Labor strikes, employee loss, or an aging workforce could lead to operating challenges and increased costs.

Financial & Regulatory Risks

Market & Financial Risks: Disruptions in capital and credit markets could limit access to financing or increase borrowing costs. A credit rating downgrade below investment grade could trigger requirements to post significant collateral (estimated $2.7 billion as of December 31, 2025). Project-specific financing arrangements carry risks of default and asset loss if covenants are not met. Non-performance by third parties under indemnification agreements or in bilateral power markets could lead to substantial costs. Regulatory & Compliance Risks: The business is highly regulated by federal and state authorities. Changes in Federal Energy Regulatory Commission policies, Nuclear Regulatory Commission regulations (including decommissioning obligations and Spent Nuclear Fuel storage), North American Electric Reliability Corporation reliability standards, or environmental laws (e.g., Clean Air Act, Clean Water Act, hazardous waste) could lead to increased capital expenditures, operating costs, or penalties. Challenges to tax positions or changes in tax law, as well as compliance with federal funding requirements for government awards, also pose financial risks. Material legal proceedings, such as those related to the February 2021 Texas cold weather event and asbestos claims, could result in significant expenditures or revenue loss. Adverse Publicity: Negative public perception could lead to increased regulatory oversight or less favorable legislative outcomes.

Geopolitical & External Risks

Geopolitical Exposure: Geopolitical events, including the Russia and Ukraine conflict, can impact nuclear fuel supply and trade relations. Natural Disasters & Extreme Weather: Facilities are exposed to natural disasters and extreme weather events, which can cause damage, disrupt operations, affect water supplies (e.g., droughts impacting Calpine Corporation's Geysers Assets), and increase costs. Terrorism & Pandemic: Acts of terrorism, war, or pandemics could unpredictably affect operations, insurance markets, fuel supplies, and supply chains. Cybersecurity & Physical Security: The company faces evolving and sophisticated cyber and physical security threats. Breaches could disrupt operations, lead to data loss, damage reputation, and incur significant costs, litigation, or regulatory penalties. The integration of Calpine Corporation's systems introduces expanded cybersecurity risks.

Innovation & Technology Leadership

Research & Development Focus: Constellation Energy Corporation is committed to investing in innovation and new technologies to drive the transition to a reliable, sustainable, and secure energy future. Core Technology Areas: The company's research and development efforts are focused on:

• Advanced Nuclear Power: Including Small Modular Reactors, with a focus on scaling deployment and reducing costs.
• Carbon Capture, Utilization, and Storage (CCUS): Investing substantially in CCUS technologies to reduce Greenhouse Gas emissions from natural gas power generation.
• Energy Storage: High levels of investment in battery storage, driven by lower costs, improved technology, and state mandates.
• Advanced Geothermal: Exploring opportunities to scale supply and de-risk technologies.
• Clean Hydrogen: Developing clean hydrogen solutions to support emissions reduction goals. Innovation Pipeline: Constellation Technology Ventures, the company's venture investing business, champions innovation and scales breakthrough technologies by investing in a broad range of established and emerging companies.

Technology Partnerships: Constellation Energy Corporation engages in strategic alliances and collaborations to advance its technological capabilities. Notable partnerships include Power Purchase Agreements with Microsoft for the Crane Clean Energy Center restart and Meta Platforms, Inc. for the Clinton Clean Energy Center output, demonstrating collaboration on clean energy goals.

Leadership & Governance

Executive Leadership Team

Leadership Continuity: The company performs and tracks management succession planning for executives enterprise-wide to ensure preparedness for leadership transitions.

Board Composition: The Board of Directors oversees the management of environmental matters, and its Nuclear Oversight Committee and Corporate Governance Committee are tasked with overseeing compliance with health, environmental, and safety laws and regulations. The Board is actively engaged in monitoring the company's cybersecurity program, with the Audit and Risk Committee overseeing policies and processes for technology and cyber risks.

Human Capital Strategy

Workforce Composition (as of December 31, 2025):

• Total Employees: 15,339 (15,291 Full-Time, 48 Part-Time).
• Skill Mix: The company focuses on attracting and developing a highly skilled workforce, particularly in Science, Technology, Engineering, and Mathematics (STEM) fields, recognizing the specialized knowledge required for generation operations.

Talent Management: Acquisition & Retention: In 2025, the company hired over 2,100 employees. Its hiring strategy involves collaborating with universities and organizations to recruit STEM-focused students and professionals. Employee retention is supported by competitive compensation, benefits, and a culture that values teamwork and empowerment. The 2025 turnover rate for regular employees was 1.3% for involuntary termination, 2.3% for retirement, and 3.3% for voluntary resignation. Diversity & Development: The company is committed to fostering an inclusive and respectful culture. It continuously enhances workforce knowledge and skills through formal assessments, feedback, coaching, mentoring, training, and leadership development programs.

Environmental & Social Impact

Environmental Commitments: Climate Strategy: Constellation Energy Corporation produces electricity predominantly from low- and emissions-free generating facilities, owning no coal-fueled assets. Its Scope 1 and 2 market-based Greenhouse Gas emissions in 2024 were 8.5 million metric tons carbon dioxide equivalent, with 8.2 million metric tons from natural gas and oil-fueled generation. The nuclear fleet produced 183 TWhs of zero-emissions electricity in 2025, avoiding over 122 million metric tons of carbon emissions. The company has the lowest carbon intensity among the ten largest U.S. generators. Social Impact Initiatives: The company actively invests in community development through philanthropic giving and employee volunteerism. In 2025, employees donated $5.6 million to non-profit organizations and provided 128,900 volunteer service hours. Product offerings like Constellation Offsite Renewables+ and Hourly Carbon-Free Energy, along with the Constellation Navigator platform, support customers' sustainability needs and energy management goals.

Business Cyclicality & Seasonality

Demand Patterns: The company's operations are influenced by weather, which affects demand for electricity and natural gas. Very warm summer months and very cold winter months typically lead to increased demand. Conversely, mild weather reduces demand, causing operating results to fluctuate seasonally. Planning & Forecasting: To mitigate weather impacts, Constellation Energy Corporation conducts seasonal readiness reviews at its power plants to ensure fuel supplies and equipment performance. It also considers national climate assessments for longer-term planning and manages scheduled nuclear refueling outages to minimize duration and maintain high nuclear generating capacity factors.

Regulatory Environment & Compliance

Regulatory Framework: Constellation Energy Corporation operates within a complex regulatory landscape. Industry-Specific Regulations:

• Federal Energy Regulatory Commission (FERC): Regulates wholesale electricity sales and transmission, including market-based rates and mergers.
• Nuclear Regulatory Commission (NRC): Oversees nuclear facility operations, licensing, maintenance, security, and decommissioning funding.
• North American Electric Reliability Corporation (NERC): Enforces mandatory reliability standards for the bulk power system.
• Environmental Protection Agency (EPA): Administers regulations under the Clean Air Act (Greenhouse Gas emissions) and Clean Water Act (water quality, cooling water intake structures).
• State Regulations: Various states impose Greenhouse Gas reduction targets and renewable/clean energy portfolio standards, impacting the power sector. Trade & Export Controls: The company's nuclear fuel procurement activities comply with U.S. and international trade laws, but are subject to geopolitical risks, including sanctions and legislation related to the Russia and Ukraine conflict impacting Russian nuclear fuel imports. Legal Proceedings: The company is involved in various legal proceedings. Material litigation includes lawsuits related to the February 2021 Texas extreme cold weather event, where the company is vigorously contesting claims of negligence and antitrust violations. It also maintains reserves for asbestos-related personal injury claims and environmental remediation liabilities, such as those associated with the Cotter Corporation's West Lake Landfill and Latty Avenue sites.

Tax Strategy & Considerations

Tax Profile: The effective income tax rate was 33.8% in 2025, compared to 17.1% in 2024. This change was primarily due to a decrease in non-taxable nuclear Production Tax Credits and higher income from qualified Nuclear Decommissioning Trust funds, which are taxed at a higher rate. Tax Reform Impact: The One Big Beautiful Bill Act of 2025, signed in July 2025, affirmed and enhanced federal tax credits from the Inflation Reduction Act of 2022, including the 45U Production Tax Credit for existing nuclear plants and the 45Y credit for new nuclear projects. Tax Matters Agreement: A Tax Matters Agreement with Exelon Corporation governs the allocation of tax liabilities and benefits from prior periods, including payments for tax attributes utilized by Exelon Corporation. In February 2026, the company received a demand letter from Exelon Corporation for $235 million related to prior periods, following guidance on the corporate alternative minimum tax.

Insurance & Risk Transfer

Risk Management Framework: Constellation Energy Corporation manages liability, property damage, and other operational risks through a combination of insurance and industry risk-sharing provisions.

• Insurance Coverage: The company maintains property damage and liability insurance for its generating stations. Nuclear liability is covered up to $500 million per operating site, with claims exceeding this amount covered by mandatory participation in a financial protection pool up to an additional $15.8 billion per incident (capped at $520 million per incident within one calendar year for the company's share). Nuclear property damage, decontamination, and premature decommissioning are insured for $1.5 billion per site through Nuclear Electric Insurance Limited. Cyber event insurance is maintained, though its adequacy and future availability are subject to uncertainty. The company is self-insured for losses within policy deductibles or exceeding coverage limits.
• Risk Transfer Mechanisms: Participation in Nuclear Electric Insurance Limited, an industry mutual insurance company, provides property and accidental outage insurance for nuclear operations. The company also utilizes hedging strategies for commodity price risk and contractual risk allocation.