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ATLANTIC CITY ELECTRIC CO

For the period ended Sep 30, 2026. Filed Oct 30, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Oct 30, 2026

EXC$45.62-2.0%Stored close · as of Nov 6, 2026
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended September 30, 2026

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File NumberName of Registrant; State or Other Jurisdiction of Incorporation; Address of Principal Executive Offices; and Telephone NumberIRS Employer Identification Number
001-16169EXELON CORPORATION23-2990190
(a Pennsylvania corporation)10 South Dearborn StreetP.O. Box 805379Chicago, Illinois 60680-5379(800) 483-3220
001-01839COMMONWEALTH EDISON COMPANY36-0938600
000-16844PECO ENERGY COMPANY23-0970240
(a Pennsylvania corporation)2301 Market StreetP.O. Box 8699Philadelphia, Pennsylvania 19101-8699(215) 841-4000
001-01910BALTIMORE GAS AND ELECTRIC COMPANY52-0280210
(a Maryland corporation)2 Center Plaza110 West Fayette StreetBaltimore, Maryland 21201-3708(410) 234-5000
001-31403PEPCO HOLDINGS LLC52-2297449
(a Delaware limited liability company)701 Ninth Street, N.W.Washington, District of Columbia 20068-0001(202) 872-2000
001-01072POTOMAC ELECTRIC POWER COMPANY53-0127880
(a District of Columbia and Virginia corporation)701 Ninth Street, N.W.Washington, District of Columbia 20068-0001(202) 872-2000
001-01405DELMARVA POWER & LIGHT COMPANY51-0084283
001-03559ATLANTIC CITY ELECTRIC COMPANY21-0398280

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
EXELON CORPORATION:
Common stock, without par valueEXCThe Nasdaq Stock Market LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x Noo

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x Noo

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Exelon CorporationLarge Accelerated FilerxAccelerated Filer☐Non-accelerated Filer☐Smaller Reporting Company☐Emerging Growth Company☐
Commonwealth Edison CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
PECO Energy CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
Baltimore Gas and Electric CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
Pepco Holdings LLCLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
Potomac Electric Power CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
Delmarva Power & Light CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐
Atlantic City Electric CompanyLarge Accelerated Filer☐Accelerated Filer☐Non-accelerated FilerxSmaller Reporting Company☐Emerging Growth Company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes☐ Nox

The number of shares outstanding of each registrant’s common stock as of September 30, 2026 was:

Exelon Corporation Common Stock, without par value1,034,896,686
Commonwealth Edison Company Common Stock, $12.50 par value127,021,427
PECO Energy Company Common Stock, without par value170,478,507
Baltimore Gas and Electric Company Common Stock, without par value1,000
Pepco Holdings LLCnot applicable
Potomac Electric Power Company Common Stock, $0.01 par value100
Delmarva Power & Light Company Common Stock, $2.25 par value1,000
Atlantic City Electric Company Common Stock, $3.00 par value8,546,017

TABLE OF CONTENTS

Page No.
GLOSSARY OF TERMS AND ABBREVIATIONS4
FILING FORMAT7
CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING INFORMATION7
WHERE TO FIND MORE INFORMATION8
PART I.FINANCIAL INFORMATION9
ITEM 1.FINANCIAL STATEMENTS9
Exelon Corporation
Consolidated Statements of Operations and Comprehensive Income10
Consolidated Statements of Cash Flows11
Consolidated Balance Sheets12
Consolidated Statements of Changes in Shareholders’ Equity14
Commonwealth Edison Company
Consolidated Statements of Operations and Comprehensive Income16
Consolidated Statements of Cash Flows17
Consolidated Balance Sheets18
Consolidated Statements of Changes in Shareholders' Equity20
PECO Energy Company
Consolidated Statements of Operations and Comprehensive Income21
Consolidated Statements of Cash Flows22
Consolidated Balance Sheets23
Consolidated Statements of Changes in Shareholder's Equity25
Baltimore Gas and Electric Company
Statements of Operations and Comprehensive Income26
Statements of Cash Flows27
Balance Sheets28
Statements of Changes in Shareholder's Equity30
Pepco Holdings LLC
Consolidated Statements of Operations and Comprehensive Income31
Consolidated Statements of Cash Flows32
Consolidated Balance Sheets33
Consolidated Statements of Changes in Member's Equity35
Page No.
Potomac Electric Power Company
Statements of Operations and Comprehensive Income36
Statements of Cash Flows37
Balance Sheets38
Statements of Changes in Shareholder's Equity40
Delmarva Power & Light Company
Statements of Operations and Comprehensive Income41
Statements of Cash Flows42
Balance Sheets43
Statements of Changes in Shareholder’s Equity45
Atlantic City Electric Company
Consolidated Statements of Operations and Comprehensive Income46
Consolidated Statements of Cash Flows47
Consolidated Balance Sheets48
Consolidated Statements of Changes in Shareholder’s Equity50
Combined Notes to Consolidated Financial Statements
1. Significant Accounting Policies51
2. Regulatory Matters52
3. Revenue from Contracts with Customers61
4. Segment Information63
5. Accounts Receivable73
6. Property, Plant, and Equipment75
7. Income Taxes76
8. Retirement Benefits81
9. Derivative Financial Instruments82
10. Debt and Credit Agreements85
11. Fair Value of Financial Assets and Liabilities87
12. Commitments and Contingencies95
13. Shareholders' Equity102
14. Changes in Accumulated Other Comprehensive Income103
15. Supplemental Financial Information104
16. Related Party Transactions108
Page No.
ITEM 2.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS111
Exelon Corporation111
Executive Overview111
Financial Results of Operations111
Significant 2026 Transactions and Developments114
Other Key Business Drivers and Management Strategies116
Critical Accounting Policies and Estimates117
Results of Operations By Registrant118
Commonwealth Edison Company118
PECO Energy Company121
Baltimore Gas and Electric Company125
Pepco Holdings LLC128
Potomac Electric Power Company129
Delmarva Power & Light Company132
Atlantic City Electric Company136
Liquidity and Capital Resources139
ITEM 3.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK149
ITEM 4.CONTROLS AND PROCEDURES150
PART II.OTHER INFORMATION151
ITEM 1.LEGAL PROCEEDINGS151
ITEM 1A.RISK FACTORS151
ITEM 5.OTHER INFORMATION151
ITEM 6.EXHIBITS151
SIGNATURES154
Exelon Corporation154
Commonwealth Edison Company155
PECO Energy Company156
Baltimore Gas and Electric Company157
Pepco Holdings LLC158
Potomac Electric Power Company159
Delmarva Power & Light Company160
Atlantic City Electric Company161
ContentsView on SEC.gov

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