| (In millions) | CommonStock | RetainedEarnings | TotalShareholder'sEquity |
|---|
| Balance at December 31, 2022 | $3,702 | $1,861 | $5,563 |
|---|
| Net income | — | 563 | 563 |
|---|
| Common stock dividends | — | (405) | (405) |
|---|
| Contributions from parent | 348 | — | 348 |
|---|
| Balance at December 31, 2023 | $4,050 | $2,019 | $6,069 |
|---|
| Net income | — | 551 | 551 |
|---|
| Common stock dividends | — | (400) | (400) |
|---|
| Contributions from parent | 595 | — | 595 |
|---|
| Balance at December 31, 2024 | $4,645 | $2,170 | $6,815 |
|---|
| Net income | — | 814 | 814 |
|---|
| Common stock dividends | — | (546) | (546) |
|---|
| Contributions from parent | 577 | — | 577 |
|---|
| Balance at December 31, 2025 | $5,222 | $2,438 | $7,660 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2025 | 2024 | 2023 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $4,037 | $3,407 | $3,065 |
|---|
| Natural gas operating revenues | 1,264 | 957 | 869 |
|---|
| Revenues from alternative revenue programs | (87) | 52 | 84 |
|---|
| Operating revenues from affiliates | 8 | 10 | 9 |
|---|
| Total operating revenues | 5,222 | 4,426 | 4,027 |
|---|
| Operating expenses |
|---|
| Purchased power | 1,890 | 1,460 | 1,311 |
|---|
| Purchased fuel | 331 | 191 | 220 |
|---|
| Operating and maintenance | 815 | 790 | 520 |
|---|
| Operating and maintenance from affiliates | 251 | 246 | 221 |
|---|
| Depreciation and amortization | 632 | 638 | 654 |
|---|
| Taxes other than income taxes | 370 | 345 | 319 |
|---|
| Total operating expenses | 4,289 | 3,670 | 3,245 |
|---|
| Operating income | 933 | 756 | 782 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (247) | (216) | (182) |
|---|
| Other, net | 51 | 36 | 18 |
|---|
| Total other income and (deductions) | (196) | (180) | (164) |
|---|
| Income before income taxes | 737 | 576 | 618 |
|---|
| Income taxes | 159 | 49 | 133 |
|---|
| Net income | $578 | $527 | $485 |
|---|
| Comprehensive income | $578 | $527 | $485 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2025 | 2024 | 2023 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $578 | $527 | $485 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 632 | 638 | 654 |
|---|
| Deferred income taxes and amortization of investment tax credits | 86 | 5 | 66 |
|---|
| Other non-cash operating activities | 170 | 38 | (1) |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (244) | (142) | 89 |
|---|
| Receivables from and payables to affiliates, net | (9) | 14 | (5) |
|---|
| Inventories | 3 | (5) | 47 |
|---|
| Accounts payable and accrued expenses | (18) | 35 | (75) |
|---|
| Collateral received (paid), net | 4 | (1) | (22) |
|---|
| Income taxes | 169 | (54) | 37 |
|---|
| Regulatory assets and liabilities, net | (97) | (84) | (292) |
|---|
| Pension and non-pension postretirement benefit contributions | (44) | (37) | (19) |
|---|
| Other assets and liabilities | (1) | (39) | (13) |
|---|
| Net cash flows provided by operating activities | 1,229 | 895 | 951 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (1,657) | (1,420) | (1,367) |
|---|
| Other investing activities | 9 | 12 | 7 |
|---|
| Net cash flows used in investing activities | (1,648) | (1,408) | (1,360) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | (175) | (161) | (72) |
|---|
| Issuance of long-term debt | 650 | 800 | 700 |
|---|
| Retirement of long-term debt | — | — | (300) |
|---|
| Dividends paid on common stock | (393) | (368) | (316) |
|---|
| Contributions from parent | 531 | 237 | 385 |
|---|
| Other financing activities | (8) | (9) | (7) |
|---|
| Net cash flows provided by financing activities | 605 | 499 | 390 |
|---|
| Increase (decrease) in cash, restricted cash, and cash equivalents | 186 | (14) | (19) |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 34 | 48 | 67 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $220 | $34 | $48 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $153 | $156 | $(44) |
|---|
| December 31, |
|---|
| (In millions) | 2025 | 2024 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $217 | $33 |
|---|
| Restricted cash and cash equivalents | 3 | 1 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 887 | 654 |
|---|
| Customer allowance for credit losses | (68) | (56) |
|---|
| Customer accounts receivable, net | 819 | 598 |
|---|
| Other accounts receivable | 100 | 113 |
|---|
| Other allowance for credit losses | (4) | (6) |
|---|
| Other accounts receivable, net | 96 | 107 |
|---|
| Receivables from affiliates | 1 | — |
|---|
| Inventories, net |
|---|
| Fossil fuel | 36 | 29 |
|---|
| Materials and supplies | 74 | 84 |
|---|
| Prepaid utility taxes | 126 | 115 |
|---|
| Regulatory assets | 175 | 207 |
|---|
| Prepaid renewable energy credits | 189 | 157 |
|---|
| Other | 14 | 17 |
|---|
| Total current assets | 1,750 | 1,348 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $5,234 and $5,005 as of December 31, 2025 and 2024, respectively) | 14,385 | 13,134 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 804 | 788 |
|---|
| Investments | 10 | 10 |
|---|
| Prepaid pension asset | 194 | 218 |
|---|
| Other | 41 | 44 |
|---|
| Total deferred debits and other assets | 1,049 | 1,060 |
|---|
| Total assets | $17,184 | $15,542 |
|---|
| December 31, |
|---|
| (In millions) | 2025 | 2024 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $— | $175 |
|---|
| Long-term debt due within one year | 350 | — |
|---|
| Accounts payable | 640 | 515 |
|---|
| Accrued expenses | 352 | 176 |
|---|
| Payables to affiliates | 39 | 48 |
|---|
| Customer deposits | 125 | 118 |
|---|
| Regulatory liabilities | 31 | 12 |
|---|
| Renewable energy credit obligations | 194 | 160 |
|---|
| Other | 39 | 39 |
|---|
| Total current liabilities | 1,770 | 1,243 |
|---|
| Long-term debt | 5,691 | 5,395 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 2,242 | 2,099 |
|---|
| Regulatory liabilities | 595 | 636 |
|---|
| Asset retirement obligations | 36 | 36 |
|---|
| Non-pension postretirement benefit obligations | 144 | 150 |
|---|
| Other | 104 | 97 |
|---|
| Total deferred credits and other liabilities | 3,121 | 3,018 |
|---|
| Total liabilities | 10,582 | 9,656 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock (No par value, 0 shares(a) authorized, 0 shares(a) outstanding as of December 31, 2025 and 2024) | 4,014 | 3,483 |
|---|
| Retained earnings | 2,588 | 2,403 |
|---|
| Total shareholder's equity | 6,602 | 5,886 |
|---|
| Total liabilities and shareholder's equity | $17,184 | $15,542 |
|---|
(a)In millions, shares round to zero. Number of shares is 1,500 authorized and 1,000 outstanding as of December 31, 2025 and 2024.
| (In millions) | CommonStock | RetainedEarnings | TotalShareholder'sEquity |
|---|
| Balance at December 31, 2022 | $2,861 | $2,075 | $4,936 |
|---|
| Net income | — | 485 | 485 |
|---|
| Common stock dividends | — | (316) | (316) |
|---|
| Contributions from parent | 385 | — | 385 |
|---|
| Balance at December 31, 2023 | $3,246 | $2,244 | $5,490 |
|---|
| Net income | — | 527 | 527 |
|---|
| Common stock dividends | — | (368) | (368) |
|---|
| Contributions from parent | 237 | — | 237 |
|---|
| Balance at December 31, 2024 | $3,483 | $2,403 | $5,886 |
|---|
| Net income | — | 578 | 578 |
|---|
| Common stock dividends | — | (393) | (393) |
|---|
| Contributions from parent | 531 | — | 531 |
|---|
| Balance at December 31, 2025 | $4,014 | $2,588 | $6,602 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2025 | 2024 | 2023 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $6,957 | $6,257 | $5,748 |
|---|
| Natural gas operating revenues | 231 | 180 | 205 |
|---|
| Revenues from alternative revenue programs | (63) | 1 | 64 |
|---|
| Operating revenues from affiliates | 10 | 10 | 9 |
|---|
| Total operating revenues | 7,135 | 6,448 | 6,026 |
|---|
| Operating expenses |
|---|
| Purchased power | 2,836 | 2,447 | 2,250 |
|---|
| Purchased fuel | 95 | 66 | 98 |
|---|
| Operating and maintenance | 1,123 | 1,046 | 1,110 |
|---|
| Operating and maintenance from affiliates | 204 | 204 | 179 |
|---|
| Depreciation and amortization | 935 | 947 | 990 |
|---|
| Taxes other than income taxes | 568 | 528 | 487 |
|---|
| Total operating expenses | 5,761 | 5,238 | 5,114 |
|---|
| Gain (loss) on sales of assets | 3 | (1) | 9 |
|---|
| Operating income | 1,377 | 1,209 | 921 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (408) | (373) | (323) |
|---|
| Interest expense to affiliates, net | (3) | (3) | — |
|---|
| Other, net | 72 | 97 | 108 |
|---|
| Total other income and (deductions) | (339) | (279) | (215) |
|---|
| Income before income taxes | 1,038 | 930 | 706 |
|---|
| Income taxes | 239 | 189 | 116 |
|---|
| Net income | $799 | $741 | $590 |
|---|
| Comprehensive income | $799 | $741 | $590 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2025 | 2024 | 2023 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $799 | $741 | $590 |
|---|
| Adjustments to reconcile net income to net cash flows used in operating activities: |
|---|
| Depreciation, amortization, and accretion | 937 | 947 | 990 |
|---|
| (Gain) loss on sales of assets | (3) | 1 | (9) |
|---|
| Deferred income taxes and amortization of investment tax credits | 132 | 73 | 29 |
|---|
| Other non-cash operating activities | 241 | 188 | 110 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (204) | (110) | (79) |
|---|
| Receivables from and payables to affiliates, net | (1) | 2 | (8) |
|---|
| Inventories | (32) | (37) | (42) |
|---|
| Accounts payable and accrued expenses | 8 | 66 | 40 |
|---|
| Collateral received (paid), net | 17 | — | (196) |
|---|
| Income taxes | (7) | (33) | 65 |
|---|
| Regulatory assets and liabilities, net | (192) | (223) | (61) |
|---|
| Pension and non-pension postretirement benefit contributions | (50) | (86) | (24) |
|---|
| Other assets and liabilities | (47) | (119) | (101) |
|---|
| Net cash flows provided by operating activities | 1,598 | 1,410 | 1,304 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (2,056) | (1,863) | (1,988) |
|---|
| Proceeds from sales of long-lived assets | 4 | — | 10 |
|---|
| Other investing activities | — | — | 8 |
|---|
| Net cash flows used in investing activities | (2,052) | (1,863) | (1,970) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | 82 | 136 | (20) |
|---|
| Issuance of long-term debt | 650 | 1,100 | 1,075 |
|---|
| Retirement of long-term debt | (150) | (583) | (500) |
|---|
| Change in Exelon intercompany money pool | 17 | (2) | 21 |
|---|
| Distributions to member | (710) | (706) | (513) |
|---|
| Contributions from member | 568 | 505 | 475 |
|---|
| Other financing activities | (25) | (38) | (41) |
|---|
| Net cash flows provided by financing activities | 432 | 412 | 497 |
|---|
| Decrease in cash, restricted cash, and cash equivalents | (22) | (41) | (169) |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 163 | 204 | 373 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $141 | $163 | $204 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $79 | $76 | $(109) |
|---|
| December 31, |
|---|
| (In millions) | 2025 | 2024 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $103 | $139 |
|---|
| Restricted cash and cash equivalents | 38 | 24 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 975 | 827 |
|---|
| Customer allowance for credit losses | (115) | (108) |
|---|
| Customer accounts receivable, net | 860 | 719 |
|---|
| Other accounts receivable | 292 | 284 |
|---|
| Other allowance for credit losses | (49) | (49) |
|---|
| Other accounts receivable, net | 243 | 235 |
|---|
| Receivable from affiliates | 14 | 8 |
|---|
| Inventories, net |
|---|
| Fossil fuel | 9 | 7 |
|---|
| Materials and supplies | 357 | 325 |
|---|
| Prepaid utility taxes | 77 | 70 |
|---|
| Regulatory assets | 352 | 323 |
|---|
| Prepaid renewable energy credits | 201 | 194 |
|---|
| Other | 34 | 36 |
|---|
| Total current assets | 2,288 | 2,080 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $4,350 and $3,728 as of December 31, 2025 and 2024, respectively) | 21,377 | 20,053 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 1,556 | 1,570 |
|---|
| Goodwill | 4,005 | 4,005 |
|---|
| Investments | 158 | 152 |
|---|
| Prepaid pension asset | 199 | 252 |
|---|
| Other | 132 | 185 |
|---|
| Total deferred debits and other assets | 6,050 | 6,164 |
|---|
| Total assets | $29,715 | $28,297 |
|---|
| December 31, |
|---|
| (In millions) | 2025 | 2024 |
|---|
| LIABILITIES AND MEMBER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $612 | $530 |
|---|
| Long-term debt due within one year | 64 | 290 |
|---|
| Accounts payable | 816 | 721 |
|---|
| Accrued expenses | 359 | 367 |
|---|
| Payables to affiliates | 71 | 66 |
|---|
| Borrowings from Exelon intercompany money pool | 80 | 63 |
|---|
| Customer deposits | 123 | 113 |
|---|
| Regulatory liabilities | 103 | 69 |
|---|
| Unamortized energy contract liabilities | 5 | 5 |
|---|
| Renewable energy credit obligations | 223 | 217 |
|---|
| Other | 121 | 124 |
|---|
| Total current liabilities | 2,577 | 2,565 |
|---|
| Long-term debt | 9,526 | 8,834 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 3,391 | 3,190 |
|---|
| Regulatory liabilities | 722 | 794 |
|---|
| Asset retirement obligations | 62 | 67 |
|---|
| Non-pension postretirement benefit obligations | 24 | 31 |
|---|
| Unamortized energy contract liabilities | 16 | 21 |
|---|
| Other | 418 | 473 |
|---|
| Total deferred credits and other liabilities | 4,633 | 4,576 |
|---|
| Total liabilities | 16,736 | 15,975 |
|---|
| Commitments and contingencies |
|---|
| Member's equity |
|---|
| Membership interest | 13,130 | 12,562 |
|---|
| Undistributed losses | (151) | (240) |
|---|
| Total member's equity | 12,979 | 12,322 |
|---|
| Total liabilities and member's equity | $29,715 | $28,297 |
|---|