Consolidated Statements of Changes in Equity
| (In millions) | Membership Interest | Undistributed (Losses)/Gains | Total Member's Equity |
|---|
| Balance at December 31, 2021 | $10,795 | $(210) | $10,585 |
|---|
| Net income | — | 608 | 608 |
|---|
| Distribution to member | — | (750) | (750) |
|---|
| Contributions from member | 787 | — | 787 |
|---|
| Balance at December 31, 2022 | $11,582 | $(352) | $11,230 |
|---|
| Net Income | — | 590 | 590 |
|---|
| Distribution to member | — | (513) | (513) |
|---|
| Contributions from member | 475 | — | 475 |
|---|
| Balance at December 31, 2023 | $12,057 | $(275) | $11,782 |
|---|
| Net income | — | 741 | 741 |
|---|
| Distribution to member | — | (706) | (706) |
|---|
| Contributions from member | 505 | — | 505 |
|---|
| Balance at December 31, 2024 | $12,562 | $(240) | $12,322 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $3,017 | $2,793 | $2,557 |
|---|
| Revenues from alternative revenue programs | 15 | 22 | (31) |
|---|
| Operating revenues from affiliates | 7 | 9 | 5 |
|---|
| Total operating revenues | 3,039 | 2,824 | 2,531 |
|---|
| Operating expenses |
|---|
| Purchased power | 1,055 | 974 | 795 |
|---|
| Purchased power from affiliate | — | — | 39 |
|---|
| Operating and maintenance | 283 | 336 | 284 |
|---|
| Operating and maintenance from affiliates | 251 | 236 | 223 |
|---|
| Depreciation and amortization | 407 | 441 | 417 |
|---|
| Taxes other than income taxes | 424 | 390 | 382 |
|---|
| Total operating expenses | 2,420 | 2,377 | 2,140 |
|---|
| (Loss) gain on sales of assets | (1) | 9 | — |
|---|
| Operating income | 618 | 456 | 391 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (195) | (165) | (150) |
|---|
| Interest income from affiliates, net | 3 | — | — |
|---|
| Other, net | 54 | 66 | 55 |
|---|
| Total other income and (deductions) | (138) | (99) | (95) |
|---|
| Income before income taxes | 480 | 357 | 296 |
|---|
| Income taxes | 90 | 51 | (9) |
|---|
| Net income | $390 | $306 | $305 |
|---|
| Comprehensive income | $390 | $306 | $305 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $390 | $306 | $305 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 407 | 441 | 417 |
|---|
| Loss (gain) on sales of assets | 1 | (9) | — |
|---|
| Deferred income taxes and amortization of investment tax credits | 24 | (15) | (17) |
|---|
| Other non-cash operating activities | 33 | 53 | 36 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (26) | (29) | (104) |
|---|
| Receivables from and payables to affiliates, net | 6 | (3) | (33) |
|---|
| Inventories | (10) | (24) | (16) |
|---|
| Accounts payable and accrued expenses | 67 | 6 | 24 |
|---|
| Collateral (paid) received, net | — | (25) | 24 |
|---|
| Income taxes | (30) | 60 | (19) |
|---|
| Regulatory assets and liabilities, net | (85) | (45) | (69) |
|---|
| Pension and non-pension postretirement benefit contributions | (9) | (12) | (11) |
|---|
| Other assets and liabilities | (84) | (5) | (66) |
|---|
| Net cash flows provided by operating activities | 684 | 699 | 471 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (929) | (957) | (874) |
|---|
| Proceeds from sale of long-lived assets | — | 10 | — |
|---|
| Other investing activities | — | 8 | 3 |
|---|
| Net cash flows used in investing activities | (929) | (939) | (871) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | 68 | (167) | 124 |
|---|
| Issuance of long-term debt | 675 | 350 | 625 |
|---|
| Retirement of long-term debt | (400) | — | (310) |
|---|
| Dividends paid on common stock | (359) | (252) | (463) |
|---|
| Contributions from parent | 260 | 308 | 465 |
|---|
| Other financing activities | (20) | (26) | (10) |
|---|
| Net cash flows provided by financing activities | 224 | 213 | 431 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (21) | (27) | 31 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 72 | 99 | 68 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $51 | $72 | $99 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $30 | $(55) | $65 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $30 | $48 |
|---|
| Restricted cash and cash equivalents | 21 | 24 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 395 | 369 |
|---|
| Customer allowance for credit losses | (59) | (52) |
|---|
| Customer accounts receivable, net | 336 | 317 |
|---|
| Other accounts receivable | 142 | 166 |
|---|
| Other allowance for credit losses | (27) | (28) |
|---|
| Other accounts receivable, net | 115 | 138 |
|---|
| Receivables from affiliates | 1 | 2 |
|---|
| Inventories, net | 169 | 159 |
|---|
| Regulatory assets | 157 | 150 |
|---|
| Prepaid renewable energy credits | 165 | 136 |
|---|
| Other | 55 | 51 |
|---|
| Total current assets | 1,049 | 1,025 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $4,522 and $4,284 as of December 31, 2024 and 2023, respectively) | 10,097 | 9,430 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 446 | 450 |
|---|
| Investments | 135 | 124 |
|---|
| Prepaid pension asset | 222 | 246 |
|---|
| Other | 51 | 55 |
|---|
| Total deferred debits and other assets | 854 | 875 |
|---|
| Total assets | $12,000 | $11,330 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $200 | $132 |
|---|
| Long-term debt due within one year | 6 | 405 |
|---|
| Accounts payable | 360 | 321 |
|---|
| Accrued expenses | 201 | 191 |
|---|
| Payables to affiliates | 37 | 32 |
|---|
| Customer deposits | 55 | 47 |
|---|
| Regulatory liabilities | 17 | 15 |
|---|
| Merger related obligation | 22 | 25 |
|---|
| Renewable energy credit obligations | 169 | 136 |
|---|
| Other | 51 | 61 |
|---|
| Total current liabilities | 1,118 | 1,365 |
|---|
| Long-term debt | 4,356 | 3,691 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 1,509 | 1,431 |
|---|
| Regulatory liabilities | 310 | 382 |
|---|
| Asset retirement obligations | 49 | 37 |
|---|
| Other | 223 | 280 |
|---|
| Total deferred credits and other liabilities | 2,091 | 2,130 |
|---|
| Total liabilities | 7,565 | 7,186 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock ($0.01 par value, 200 shares authorized, 0 shares(a) outstanding as of December 31, 2024 and 2023) | 3,335 | 3,075 |
|---|
| Retained earnings | 1,100 | 1,069 |
|---|
| Total shareholder's equity | 4,435 | 4,144 |
|---|
| Total liabilities and shareholder's equity | $12,000 | $11,330 |
|---|
(a)In millions, shares round to zero. Number of shares is 100 outstanding as of December 31, 2024 and 2023.
| (In millions) | Common Stock | Retained Earnings | Total Shareholder's Equity |
|---|
| Balance at December 31, 2021 | $2,302 | $1,173 | $3,475 |
|---|
| Net income | — | 305 | 305 |
|---|
| Common stock dividends | — | (463) | (463) |
|---|
| Contributions from parent | 465 | — | 465 |
|---|
| Balance at December 31, 2022 | $2,767 | $1,015 | $3,782 |
|---|
| Net income | — | 306 | 306 |
|---|
| Common stock dividends | — | (252) | (252) |
|---|
| Contributions from parent | 308 | — | 308 |
|---|
| Balance at December 31, 2023 | $3,075 | $1,069 | $4,144 |
|---|
| Net income | — | 390 | 390 |
|---|
| Common stock dividends | — | (359) | (359) |
|---|
| Contributions from parent | 260 | — | 260 |
|---|
| Balance at December 31, 2024 | $3,335 | $1,100 | $4,435 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $1,602 | $1,460 | $1,360 |
|---|
| Natural gas operating revenues | 180 | 205 | 238 |
|---|
| Revenues from alternative revenue programs | (2) | 15 | (9) |
|---|
| Operating revenues from affiliates | 7 | 8 | 6 |
|---|
| Total operating revenues | 1,787 | 1,688 | 1,595 |
|---|
| Operating expenses |
|---|
| Purchased power | 694 | 639 | 567 |
|---|
| Purchased fuel | 66 | 98 | 129 |
|---|
| Purchased power from affiliates | — | — | 10 |
|---|
| Operating and maintenance | 196 | 193 | 183 |
|---|
| Operating and maintenance from affiliates | 181 | 171 | 166 |
|---|
| Depreciation and amortization | 245 | 244 | 232 |
|---|
| Taxes other than income taxes | 79 | 75 | 72 |
|---|
| Total operating expenses | 1,461 | 1,420 | 1,359 |
|---|
| Operating income | 326 | 268 | 236 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (94) | (74) | (66) |
|---|
| Interest income from affiliates, net | 1 | — | — |
|---|
| Other, net | 25 | 18 | 13 |
|---|
| Total other income and (deductions) | (68) | (56) | (53) |
|---|
| Income before income taxes | 258 | 212 | 183 |
|---|
| Income taxes | 49 | 35 | 14 |
|---|
| Net income | $209 | $177 | $169 |
|---|
| Comprehensive income | $209 | $177 | $169 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $209 | $177 | $169 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 245 | 244 | 232 |
|---|
| Deferred income taxes and amortization of investment tax credits | 16 | 4 | 16 |
|---|
| Other non-cash operating activities | 40 | 13 | 29 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (46) | 6 | (59) |
|---|
| Receivables from and payables to affiliates, net | 2 | 2 | (10) |
|---|
| Inventories | (20) | (5) | (11) |
|---|
| Accounts payable and accrued expenses | 22 | (7) | 19 |
|---|
| Collateral received (paid), net | 2 | (121) | 78 |
|---|
| Income taxes | (24) | 26 | — |
|---|
| Regulatory assets and liabilities, net | (51) | 25 | (34) |
|---|
| Pension and non-pension postretirement benefit contributions | (3) | (4) | (1) |
|---|
| Other assets and liabilities | 16 | 13 | (10) |
|---|
| Net cash flows provided by operating activities | 408 | 373 | 418 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (556) | (562) | (430) |
|---|
| Other investing activities | — | — | 3 |
|---|
| Net cash flows used in investing activities | (556) | (562) | (427) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | 81 | (52) | (34) |
|---|
| Issuance of long-term debt | 175 | 650 | 125 |
|---|
| Retirement of long-term debt | (33) | (500) | — |
|---|
| Dividends paid on common stock | (220) | (133) | (143) |
|---|
| Contributions from parent | 160 | 99 | 147 |
|---|
| Other financing activities | (8) | (11) | (5) |
|---|
| Net cash flows provided by financing activities | 155 | 53 | 90 |
|---|
| Increase (decrease) in cash, restricted cash, and cash equivalents | 7 | (136) | 81 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 16 | 152 | 71 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $23 | $16 | $152 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $41 | $(6) | $23 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $21 | $16 |
|---|
| Restricted cash and cash equivalents | 2 | — |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 210 | 183 |
|---|
| Customer allowance for credit losses | (17) | (19) |
|---|
| Customer accounts receivable, net | 193 | 164 |
|---|
| Other accounts receivable | 63 | 52 |
|---|
| Other allowance for credit losses | (9) | (8) |
|---|
| Other accounts receivable, net | 54 | 44 |
|---|
| Receivables from affiliates | — | 1 |
|---|
| Inventories, net |
|---|
| Fossil fuel | 6 | 9 |
|---|
| Materials and supplies | 95 | 72 |
|---|
| Prepaid utility taxes | 26 | 24 |
|---|
| Regulatory assets | 60 | 54 |
|---|
| Prepaid renewable energy credits | 29 | 27 |
|---|
| Other | 16 | 14 |
|---|
| Total current assets | 502 | 425 |
|---|
| Property, plant, and equipment, (net of accumulated depreciation and amortization of $2,075 and $1,925 as of December 31, 2024 and 2023, respectively) | 5,540 | 5,165 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 215 | 218 |
|---|
| Prepaid pension asset | 120 | 135 |
|---|
| Other | 44 | 50 |
|---|
| Total deferred debits and other assets | 379 | 403 |
|---|
| Total assets | $6,421 | $5,993 |
|---|
| December 31, |
|---|
| (In millions) | 2024 | 2023 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $144 | $63 |
|---|
| Long-term debt due within one year | 130 | 84 |
|---|
| Accounts payable | 187 | 159 |
|---|
| Accrued expenses | 55 | 64 |
|---|
| Payables to affiliates | 26 | 25 |
|---|
| Customer deposits | 34 | 31 |
|---|
| Regulatory liabilities | 42 | 50 |
|---|
| Renewable energy credit obligations | 48 | 27 |
|---|
| Other | 22 | 21 |
|---|
| Total current liabilities | 688 | 524 |
|---|
| Long-term debt | 2,090 | 1,996 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 946 | 904 |
|---|
| Regulatory liabilities | 325 | 365 |
|---|
| Asset retirement obligations | 13 | 12 |
|---|
| Non-pension postretirement benefit obligations | 3 | 6 |
|---|
| Other | 114 | 93 |
|---|
| Total deferred credits and other liabilities | 1,401 | 1,380 |
|---|
| Total liabilities | 4,179 | 3,900 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock ($2.25 par value, 0 shares(a) authorized, 0 shares(a) outstanding as of December 31, 2024 and 2023, respectively) | 1,615 | 1,455 |
|---|
| Retained earnings | 627 | 638 |
|---|
| Total shareholder's equity | 2,242 | 2,093 |
|---|
| Total liabilities and shareholder's equity | $6,421 | $5,993 |
|---|
(a)In millions, shares round to zero. Number of shares is 1,000 authorized and outstanding as of December 31, 2024 and 2023.
| (In millions) | Common Stock | Retained Earnings | Total Shareholder's Equity |
|---|
| Balance at December 31, 2021 | $1,209 | $568 | $1,777 |
|---|
| Net income | — | 169 | 169 |
|---|
| Common stock dividends | — | (143) | (143) |
|---|
| Contributions from parent | 147 | — | 147 |
|---|
| Balance at December 31, 2022 | $1,356 | $594 | $1,950 |
|---|
| Net income | — | 177 | 177 |
|---|
| Common stock dividends | — | (133) | (133) |
|---|
| Contributions from parent | 99 | — | 99 |
|---|
| Balance at December 31, 2023 | $1,455 | $638 | $2,093 |
|---|
| Net income | — | 209 | 209 |
|---|
| Common stock dividends | — | (220) | (220) |
|---|
| Contributions from parent | 160 | — | 160 |
|---|
| Balance at December 31, 2024 | $1,615 | $627 | $2,242 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $1,638 | $1,493 | $1,448 |
|---|
| Revenues from alternative revenue programs | (12) | 27 | (19) |
|---|
| Operating revenues from affiliates | 2 | 2 | 2 |
|---|
| Total operating revenues | 1,628 | 1,522 | 1,431 |
|---|
| Operating expenses |
|---|
| Purchased power | 698 | 637 | 622 |
|---|
| Purchased power from affiliate | — | — | 2 |
|---|
| Operating and maintenance | 206 | 233 | 189 |
|---|
| Operating and maintenance from affiliates | 162 | 153 | 142 |
|---|
| Depreciation and amortization | 278 | 283 | 261 |
|---|
| Taxes other than income taxes | 9 | 8 | 9 |
|---|
| Total operating expenses | 1,353 | 1,314 | 1,225 |
|---|
| Operating income | 275 | 208 | 206 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (74) | (72) | (66) |
|---|
| Interest expense to affiliates, net | (5) | — | — |
|---|
| Other, net | 14 | 20 | 11 |
|---|
| Total other income and (deductions) | (65) | (52) | (55) |
|---|
| Income before income taxes | 210 | 156 | 151 |
|---|
| Income taxes | 55 | 36 | 3 |
|---|
| Net income | $155 | $120 | $148 |
|---|
| Comprehensive income | $155 | $120 | $148 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2024 | 2023 | 2022 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $155 | $120 | $148 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 278 | 283 | 261 |
|---|
| Deferred income taxes and amortization of investment tax credits | 39 | 27 | (2) |
|---|
| Other non-cash operating activities | 70 | — | 46 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (35) | (57) | (19) |
|---|
| Receivables from and payables to affiliates, net | (8) | (4) | (4) |
|---|
| Inventories | (8) | (12) | (7) |
|---|
| Accounts payable and accrued expenses | (18) | 27 | (9) |
|---|
| Collateral (paid) received, net | — | (50) | 46 |
|---|
| Income taxes | (5) | — | 11 |
|---|
| Regulatory assets and liabilities, net | (88) | (47) | (19) |
|---|
| Pension and non-pension postretirement benefit contributions | (9) | (3) | (7) |
|---|
| Other assets and liabilities | (44) | (83) | (61) |
|---|
| Net cash flows provided by operating activities | 327 | 201 | 384 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (373) | (460) | (398) |
|---|
| Other investing activities | — | — | 1 |
|---|
| Net cash flows used in investing activities | (373) | (460) | (397) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | (13) | 199 | (144) |
|---|
| Issuance of long-term debt | 250 | 75 | 175 |
|---|
| Retirement of long-term debt | (150) | — | — |
|---|
| Dividends paid on common stock | (127) | (126) | (145) |
|---|
| Contributions from parent | 85 | 65 | 175 |
|---|
| Other financing activities | (6) | (5) | (5) |
|---|
| Net cash flows provided by financing activities | 39 | 208 | 56 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (7) | (51) | 43 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 21 | 72 | 29 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $14 | $21 | $72 |
|---|
| Supplemental cash flow information |
|---|
| Increase (decrease) in capital expenditures not paid | $4 | $(47) | $48 |
|---|