| (In millions) | CommonStock | RetainedEarnings | TotalShareholder'sEquity |
|---|
| Balance at December 31, 2021 | $3,428 | $1,684 | $5,112 |
|---|
| Net income | — | 576 | 576 |
|---|
| Common stock dividends | — | (399) | (399) |
|---|
| Contributions from parent | 274 | — | 274 |
|---|
| 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 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $3,407 | $3,065 | $2,890 |
|---|
| Natural gas operating revenues | 957 | 869 | 1,037 |
|---|
| Revenues from alternative revenue programs | 52 | 84 | (47) |
|---|
| Operating revenues from affiliates | 10 | 9 | 15 |
|---|
| Total operating revenues | 4,426 | 4,027 | 3,895 |
|---|
| Operating expenses |
|---|
| Purchased power | 1,460 | 1,311 | 1,186 |
|---|
| Purchased fuel | 191 | 220 | 363 |
|---|
| Purchased power and fuel from affiliates | — | — | 18 |
|---|
| Operating and maintenance | 790 | 520 | 670 |
|---|
| Operating and maintenance from affiliates | 246 | 221 | 207 |
|---|
| Depreciation and amortization | 638 | 654 | 630 |
|---|
| Taxes other than income taxes | 345 | 319 | 302 |
|---|
| Total operating expenses | 3,670 | 3,245 | 3,376 |
|---|
| Operating income | 756 | 782 | 519 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (216) | (182) | (152) |
|---|
| Other, net | 36 | 18 | 21 |
|---|
| Total other income and (deductions) | (180) | (164) | (131) |
|---|
| Income before income taxes | 576 | 618 | 388 |
|---|
| Income taxes | 49 | 133 | 8 |
|---|
| Net income | $527 | $485 | $380 |
|---|
| Comprehensive income | $527 | $485 | $380 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $527 | $485 | $380 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 638 | 654 | 630 |
|---|
| Asset impairments | — | — | 48 |
|---|
| Deferred income taxes and amortization of investment tax credits | 5 | 66 | 9 |
|---|
| Other non-cash operating activities | 38 | (1) | 135 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (142) | 89 | (197) |
|---|
| Receivables from and payables to affiliates, net | 14 | (5) | (2) |
|---|
| Inventories | (5) | 47 | (61) |
|---|
| Accounts payable and accrued expenses | 35 | (75) | 77 |
|---|
| Collateral (paid) received, net | (1) | (22) | 19 |
|---|
| Income taxes | (54) | 37 | (17) |
|---|
| Regulatory assets and liabilities, net | (84) | (292) | (160) |
|---|
| Pension and non-pension postretirement benefit contributions | (37) | (19) | (68) |
|---|
| Other assets and liabilities | (39) | (13) | (33) |
|---|
| Net cash flows provided by operating activities | 895 | 951 | 760 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (1,420) | (1,367) | (1,262) |
|---|
| Other investing activities | 12 | 7 | 11 |
|---|
| Net cash flows used in investing activities | (1,408) | (1,360) | (1,251) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | (161) | (72) | 278 |
|---|
| Issuance of long-term debt | 800 | 700 | 500 |
|---|
| Retirement of long-term debt | — | (300) | (250) |
|---|
| Dividends paid on common stock | (368) | (316) | (300) |
|---|
| Contributions from parent | 237 | 385 | 286 |
|---|
| Other financing activities | (9) | (7) | (11) |
|---|
| Net cash flows provided by financing activities | 499 | 390 | 503 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (14) | (19) | 12 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 48 | 67 | 55 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $34 | $48 | $67 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $156 | $(44) | $35 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $33 | $47 |
|---|
| Restricted cash and cash equivalents | 1 | 1 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 654 | 527 |
|---|
| Customer allowance for credit losses | (56) | (46) |
|---|
| Customer accounts receivable, net | 598 | 481 |
|---|
| Other accounts receivable | 113 | 106 |
|---|
| Other allowance for credit losses | (6) | (7) |
|---|
| Other accounts receivable, net | 107 | 99 |
|---|
| Inventories, net |
|---|
| Fossil fuel | 29 | 35 |
|---|
| Materials and supplies | 84 | 74 |
|---|
| Prepaid utility taxes | 115 | 56 |
|---|
| Regulatory assets | 207 | 229 |
|---|
| Prepaid renewable energy credits | 157 | 147 |
|---|
| Other | 17 | 25 |
|---|
| Total current assets | 1,348 | 1,194 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $5,005 and $4,744 as of December 31, 2024 and 2023, respectively) | 13,134 | 12,102 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 788 | 727 |
|---|
| Investments | 10 | 9 |
|---|
| Prepaid pension asset | 218 | 248 |
|---|
| Other | 44 | 51 |
|---|
| Total deferred debits and other assets | 1,060 | 1,035 |
|---|
| Total assets | $15,542 | $14,331 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $175 | $336 |
|---|
| Accounts payable | 515 | 344 |
|---|
| Accrued expenses | 176 | 203 |
|---|
| Payables to affiliates | 48 | 35 |
|---|
| Customer deposits | 118 | 114 |
|---|
| Regulatory liabilities | 12 | 27 |
|---|
| Renewable energy credit obligations | 160 | 149 |
|---|
| Other | 39 | 32 |
|---|
| Total current liabilities | 1,243 | 1,240 |
|---|
| Long-term debt | 5,395 | 4,602 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 2,099 | 1,945 |
|---|
| Regulatory liabilities | 636 | 773 |
|---|
| Asset retirement obligations | 36 | 32 |
|---|
| Non-pension postretirement benefit obligations | 150 | 158 |
|---|
| Other | 97 | 91 |
|---|
| Total deferred credits and other liabilities | 3,018 | 2,999 |
|---|
| Total liabilities | 9,656 | 8,841 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock (No par value, 0 shares(a) authorized, 0 shares(a) outstanding as of December 31, 2024 and 2023) | 3,483 | 3,246 |
|---|
| Retained earnings | 2,403 | 2,244 |
|---|
| Total shareholder's equity | 5,886 | 5,490 |
|---|
| Total liabilities and shareholder's equity | $15,542 | $14,331 |
|---|
(a)In millions, shares round to zero. Number of shares is 1,500 authorized and 1,000 outstanding as of December 31, 2024 and 2023.
| (In millions) | CommonStock | RetainedEarnings | TotalShareholder'sEquity |
|---|
| Balance at December 31, 2021 | $2,575 | $1,995 | $4,570 |
|---|
| Net income | — | 380 | 380 |
|---|
| Common stock dividends | — | (300) | (300) |
|---|
| Contributions from parent | 286 | — | 286 |
|---|
| 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 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $6,257 | $5,748 | $5,376 |
|---|
| Natural gas operating revenues | 180 | 205 | 238 |
|---|
| Revenues from alternative revenue programs | 1 | 64 | (59) |
|---|
| Operating revenues from affiliates | 10 | 9 | 10 |
|---|
| Total operating revenues | 6,448 | 6,026 | 5,565 |
|---|
| Operating expenses |
|---|
| Purchased power | 2,447 | 2,250 | 1,984 |
|---|
| Purchased fuel | 66 | 98 | 129 |
|---|
| Purchased power from affiliates | — | — | 51 |
|---|
| Operating and maintenance | 1,046 | 1,110 | 966 |
|---|
| Operating and maintenance from affiliates | 204 | 179 | 191 |
|---|
| Depreciation and amortization | 947 | 990 | 938 |
|---|
| Taxes other than income taxes | 528 | 487 | 475 |
|---|
| Total operating expenses | 5,238 | 5,114 | 4,734 |
|---|
| (Loss) gain on sales of assets | (1) | 9 | — |
|---|
| Operating income | 1,209 | 921 | 831 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (373) | (323) | (292) |
|---|
| Interest expense to affiliates, net | (3) | — | — |
|---|
| Other, net | 97 | 108 | 78 |
|---|
| Total other income and (deductions) | (279) | (215) | (214) |
|---|
| Income before income taxes | 930 | 706 | 617 |
|---|
| Income taxes | 189 | 116 | 9 |
|---|
| Net income | $741 | $590 | $608 |
|---|
| Comprehensive income | $741 | $590 | $608 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $741 | $590 | $608 |
|---|
| Adjustments to reconcile net income to net cash flows used in operating activities: |
|---|
| Depreciation and amortization | 947 | 990 | 938 |
|---|
| Loss (gain) on sales of assets | 1 | (9) | — |
|---|
| Deferred income taxes and amortization of investment tax credits | 73 | 29 | (9) |
|---|
| Other non-cash operating activities | 188 | 110 | 163 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (110) | (79) | (184) |
|---|
| Receivables from and payables to affiliates, net | 2 | (8) | (46) |
|---|
| Inventories | (37) | (42) | (34) |
|---|
| Accounts payable and accrued expenses | 66 | 40 | 30 |
|---|
| Collateral (paid) received, net | — | (196) | 148 |
|---|
| Income taxes | (33) | 65 | (1) |
|---|
| Regulatory assets and liabilities, net | (223) | (61) | (136) |
|---|
| Pension and non-pension postretirement benefit contributions | (86) | (24) | (78) |
|---|
| Other assets and liabilities | (119) | (101) | (149) |
|---|
| Net cash flows provided by operating activities | 1,410 | 1,304 | 1,250 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (1,863) | (1,988) | (1,709) |
|---|
| Proceeds from sales of long-lived assets | — | 10 | — |
|---|
| Other investing activities | — | 8 | 6 |
|---|
| Net cash flows used in investing activities | (1,863) | (1,970) | (1,703) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | 136 | (20) | (54) |
|---|
| Issuance of long-term debt | 1,100 | 1,075 | 925 |
|---|
| Retirement of long-term debt | (583) | (500) | (310) |
|---|
| Change in Exelon intercompany money pool | (2) | 21 | 37 |
|---|
| Distributions to member | (706) | (513) | (750) |
|---|
| Contributions from member | 505 | 475 | 787 |
|---|
| Other financing activities | (38) | (41) | (22) |
|---|
| Net cash flows provided by financing activities | 412 | 497 | 613 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (41) | (169) | 160 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 204 | 373 | 213 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $163 | $204 | $373 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $76 | $(109) | $136 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $139 | $180 |
|---|
| Restricted cash and cash equivalents | 24 | 24 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 827 | 745 |
|---|
| Customer allowance for credit losses | (108) | (107) |
|---|
| Customer accounts receivable, net | 719 | 638 |
|---|
| Other accounts receivable | 284 | 310 |
|---|
| Other allowance for credit losses | (49) | (50) |
|---|
| Other accounts receivable, net | 235 | 260 |
|---|
| Receivable from affiliates | 8 | 3 |
|---|
| Inventories, net |
|---|
| Fossil fuel | 7 | 9 |
|---|
| Materials and supplies | 325 | 287 |
|---|
| Prepaid utility taxes | 70 | 67 |
|---|
| Regulatory assets | 323 | 337 |
|---|
| Prepaid renewable energy credits | 194 | 163 |
|---|
| Other | 36 | 33 |
|---|
| Total current assets | 2,080 | 2,001 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $3,728 and $3,175 as of December 31, 2024 and 2023, respectively) | 20,053 | 18,851 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 1,570 | 1,587 |
|---|
| Goodwill | 4,005 | 4,005 |
|---|
| Investments | 152 | 143 |
|---|
| Prepaid pension asset | 252 | 268 |
|---|
| Other | 185 | 211 |
|---|
| Total deferred debits and other assets | 6,164 | 6,214 |
|---|
| Total assets | $28,297 | $27,066 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| LIABILITIES AND EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $530 | $394 |
|---|
| Long-term debt due within one year | 290 | 644 |
|---|
| Accounts payable | 721 | 683 |
|---|
| Accrued expenses | 367 | 338 |
|---|
| Payables to affiliates | 66 | 59 |
|---|
| Borrowings from Exelon intercompany money pool | 63 | 65 |
|---|
| Customer deposits | 113 | 100 |
|---|
| Regulatory liabilities | 69 | 71 |
|---|
| Unamortized energy contract liabilities | 5 | 8 |
|---|
| PPA Termination Obligation | — | 49 |
|---|
| Renewable energy credit obligations | 217 | 163 |
|---|
| Other | 124 | 138 |
|---|
| Total current liabilities | 2,565 | 2,712 |
|---|
| Long-term debt | 8,834 | 8,004 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 3,190 | 3,031 |
|---|
| Regulatory liabilities | 794 | 904 |
|---|
| Asset retirement obligations | 67 | 55 |
|---|
| Non-pension postretirement benefit obligations | 31 | 40 |
|---|
| Unamortized energy contract liabilities | 21 | 27 |
|---|
| Other | 473 | 511 |
|---|
| Total deferred credits and other liabilities | 4,576 | 4,568 |
|---|
| Total liabilities | 15,975 | 15,284 |
|---|
| Commitments and contingencies |
|---|
| Member's equity |
|---|
| Membership interest | 12,562 | 12,057 |
|---|
| Undistributed losses | (240) | (275) |
|---|
| Total member's equity | 12,322 | 11,782 |
|---|
| Total liabilities and member's equity | $28,297 | $27,066 |
|---|