Consolidated Statements of Changes in Equity
| (In millions) | Membership Interest | Undistributed (Losses)/Gains | Total Member's Equity |
|---|
| Balance at December 31, 2020 | $10,112 | $(68) | $10,044 |
|---|
| Net income | — | 561 | 561 |
|---|
| Distribution to member | — | (703) | (703) |
|---|
| Contributions from member | 683 | — | 683 |
|---|
| 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 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $2,793 | $2,557 | $2,216 |
|---|
| Revenues from alternative revenue programs | 22 | (31) | 53 |
|---|
| Operating revenues from affiliates | 9 | 5 | 5 |
|---|
| Total operating revenues | 2,824 | 2,531 | 2,274 |
|---|
| Operating expenses |
|---|
| Purchased power | 974 | 795 | 353 |
|---|
| Purchased power from affiliate | — | 39 | 271 |
|---|
| Operating and maintenance | 336 | 284 | 258 |
|---|
| Operating and maintenance from affiliates | 236 | 223 | 213 |
|---|
| Depreciation and amortization | 441 | 417 | 403 |
|---|
| Taxes other than income taxes | 390 | 382 | 373 |
|---|
| Total operating expenses | 2,377 | 2,140 | 1,871 |
|---|
| Gain on sales of assets | 9 | — | — |
|---|
| Operating income | 456 | 391 | 403 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (165) | (150) | (140) |
|---|
| Other, net | 66 | 55 | 48 |
|---|
| Total other income and (deductions) | (99) | (95) | (92) |
|---|
| Income before income taxes | 357 | 296 | 311 |
|---|
| Income taxes | 51 | (9) | 15 |
|---|
| Net income | $306 | $305 | $296 |
|---|
| Comprehensive income | $306 | $305 | $296 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $306 | $305 | $296 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 441 | 417 | 403 |
|---|
| Gain on sales of assets | (9) | — | — |
|---|
| Deferred income taxes and amortization of investment tax credits | (15) | (17) | (8) |
|---|
| Other non-cash operating activities | 53 | 36 | (52) |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (29) | (104) | (28) |
|---|
| Receivables from and payables to affiliates, net | (3) | (33) | 6 |
|---|
| Inventories | (24) | (16) | (8) |
|---|
| Accounts payable and accrued expenses | 6 | 24 | 16 |
|---|
| Collateral (paid) received, net | (25) | 24 | 2 |
|---|
| Income taxes | 60 | (19) | 11 |
|---|
| Regulatory assets and liabilities, net | (45) | (69) | (81) |
|---|
| Pension and non-pension postretirement benefit contributions | (12) | (11) | (11) |
|---|
| Other assets and liabilities | (5) | (66) | (84) |
|---|
| Net cash flows provided by operating activities | 699 | 471 | 462 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (957) | (874) | (843) |
|---|
| Proceeds from sale of long-lived assets | 10 | — | — |
|---|
| Other investing activities | 8 | 3 | (1) |
|---|
| Net cash flows used in investing activities | (939) | (871) | (844) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | (167) | 124 | 140 |
|---|
| Issuance of long-term debt | 350 | 625 | 275 |
|---|
| Retirement of long-term debt | — | (310) | — |
|---|
| Dividends paid on common stock | (252) | (463) | (268) |
|---|
| Contributions from parent | 308 | 465 | 244 |
|---|
| Other financing activities | (26) | (10) | (6) |
|---|
| Net cash flows provided by financing activities | 213 | 431 | 385 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (27) | 31 | 3 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 99 | 68 | 65 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $72 | $99 | $68 |
|---|
| Supplemental cash flow information |
|---|
| (Decrease) increase in capital expenditures not paid | $(55) | $65 | $30 |
|---|
| December 31, |
|---|
| (In millions) | 2023 | 2022 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $48 | $45 |
|---|
| Restricted cash and cash equivalents | 24 | 54 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 369 | 351 |
|---|
| Customer allowance for credit losses | (52) | (47) |
|---|
| Customer accounts receivable, net | 317 | 304 |
|---|
| Other accounts receivable | 166 | 180 |
|---|
| Other allowance for credit losses | (28) | (25) |
|---|
| Other accounts receivable, net | 138 | 155 |
|---|
| Receivables from affiliates | 2 | — |
|---|
| Inventories, net | 159 | 135 |
|---|
| Regulatory assets | 150 | 235 |
|---|
| Other | 51 | 53 |
|---|
| Total current assets | 889 | 981 |
|---|
| Property, plant, and equipment (net of accumulated depreciation and amortization of $4,284 and $4,067 as of December 31, 2023 and 2022, respectively) | 9,430 | 8,794 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 450 | 437 |
|---|
| Investments | 124 | 119 |
|---|
| Prepaid pension asset | 246 | 273 |
|---|
| Other | 55 | 53 |
|---|
| Total deferred debits and other assets | 875 | 882 |
|---|
| Total assets | $11,194 | $10,657 |
|---|
| December 31, |
|---|
| (In millions) | 2023 | 2022 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $132 | $299 |
|---|
| Long-term debt due within one year | 405 | 4 |
|---|
| Accounts payable | 321 | 382 |
|---|
| Accrued expenses | 191 | 125 |
|---|
| Payables to affiliates | 32 | 34 |
|---|
| Customer deposits | 47 | 39 |
|---|
| Regulatory liabilities | 15 | 6 |
|---|
| Merger related obligation | 25 | 26 |
|---|
| Other | 61 | 93 |
|---|
| Total current liabilities | 1,229 | 1,008 |
|---|
| Long-term debt | 3,691 | 3,747 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 1,431 | 1,382 |
|---|
| Regulatory liabilities | 382 | 455 |
|---|
| Asset retirement obligations | 37 | 39 |
|---|
| Other | 280 | 244 |
|---|
| Total deferred credits and other liabilities | 2,130 | 2,120 |
|---|
| Total liabilities | 7,050 | 6,875 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock ($0.01 par value, 200 shares authorized, 0 shares(a) outstanding as of December 31, 2023 and 2022) | 3,075 | 2,767 |
|---|
| Retained earnings | 1,069 | 1,015 |
|---|
| Total shareholder's equity | 4,144 | 3,782 |
|---|
| Total liabilities and shareholder's equity | $11,194 | $10,657 |
|---|
(a)In millions, shares round to zero. Number of shares is 100 outstanding as of December 31, 2023 and 2022.
| (In millions) | Common Stock | Retained Earnings | Total Shareholder's Equity |
|---|
| Balance at December 31, 2020 | $2,058 | $1,145 | $3,203 |
|---|
| Net income | — | 296 | 296 |
|---|
| Common stock dividends | — | (268) | (268) |
|---|
| Contributions from parent | 244 | — | 244 |
|---|
| 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 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $1,460 | $1,360 | $1,191 |
|---|
| Natural gas operating revenues | 205 | 238 | 168 |
|---|
| Revenues from alternative revenue programs | 15 | (9) | 14 |
|---|
| Operating revenues from affiliates | 8 | 6 | 7 |
|---|
| Total operating revenues | 1,688 | 1,595 | 1,380 |
|---|
| Operating expenses |
|---|
| Purchased power | 639 | 567 | 387 |
|---|
| Purchased fuel | 98 | 129 | 73 |
|---|
| Purchased power from affiliates | — | 10 | 79 |
|---|
| Operating and maintenance | 193 | 183 | 183 |
|---|
| Operating and maintenance from affiliates | 171 | 166 | 162 |
|---|
| Depreciation and amortization | 244 | 232 | 210 |
|---|
| Taxes other than income taxes | 75 | 72 | 67 |
|---|
| Total operating expenses | 1,420 | 1,359 | 1,161 |
|---|
| Operating income | 268 | 236 | 219 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (74) | (66) | (61) |
|---|
| Other, net | 18 | 13 | 12 |
|---|
| Total other income and (deductions) | (56) | (53) | (49) |
|---|
| Income before income taxes | 212 | 183 | 170 |
|---|
| Income taxes | 35 | 14 | 42 |
|---|
| Net income | $177 | $169 | $128 |
|---|
| Comprehensive income | $177 | $169 | $128 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $177 | $169 | $128 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 244 | 232 | 210 |
|---|
| Deferred income taxes and amortization of investment tax credits | 4 | 16 | 39 |
|---|
| Other non-cash operating activities | 13 | 29 | 3 |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | 6 | (59) | 15 |
|---|
| Receivables from and payables to affiliates, net | 2 | (10) | (3) |
|---|
| Inventories | (5) | (11) | (8) |
|---|
| Accounts payable and accrued expenses | (7) | 19 | 16 |
|---|
| Collateral (paid) received, net | (121) | 78 | 43 |
|---|
| Income taxes | 26 | — | 13 |
|---|
| Regulatory assets and liabilities, net | 25 | (34) | (43) |
|---|
| Pension and non-pension postretirement benefit contributions | (4) | (1) | (1) |
|---|
| Other assets and liabilities | 13 | (10) | (27) |
|---|
| Net cash flows provided by operating activities | 373 | 418 | 385 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (562) | (430) | (429) |
|---|
| Other investing activities | — | 3 | 4 |
|---|
| Net cash flows used in investing activities | (562) | (427) | (425) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | (52) | (34) | 3 |
|---|
| Issuance of long-term debt | 650 | 125 | 125 |
|---|
| Retirement of long-term debt | (500) | — | — |
|---|
| Dividends paid on common stock | (133) | (143) | (147) |
|---|
| Contributions from parent | 99 | 147 | 120 |
|---|
| Other financing activities | (11) | (5) | (5) |
|---|
| Net cash flows provided by financing activities | 53 | 90 | 96 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (136) | 81 | 56 |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 152 | 71 | 15 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $16 | $152 | $71 |
|---|
| Supplemental cash flow information |
|---|
| (Decrease) increase in capital expenditures not paid | $(6) | $23 | $(18) |
|---|
| December 31, |
|---|
| (In millions) | 2023 | 2022 |
|---|
| ASSETS |
|---|
| Current assets |
|---|
| Cash and cash equivalents | $16 | $31 |
|---|
| Restricted cash and cash equivalents | — | 121 |
|---|
| Accounts receivable |
|---|
| Customer accounts receivable | 183 | 204 |
|---|
| Customer allowance for credit losses | (19) | (21) |
|---|
| Customer accounts receivable, net | 164 | 183 |
|---|
| Other accounts receivable | 52 | 52 |
|---|
| Other allowance for credit losses | (8) | (7) |
|---|
| Other accounts receivable, net | 44 | 45 |
|---|
| Receivables from affiliates | 1 | — |
|---|
| Inventories, net |
|---|
| Fossil fuel | 9 | 18 |
|---|
| Materials and supplies | 72 | 58 |
|---|
| Prepaid utility taxes | 24 | 23 |
|---|
| Regulatory assets | 54 | 80 |
|---|
| Other | 14 | 14 |
|---|
| Total current assets | 398 | 573 |
|---|
| Property, plant, and equipment, (net of accumulated depreciation and amortization of $1,925 and $1,772 as of December 31, 2023 and 2022, respectively) | 5,165 | 4,820 |
|---|
| Deferred debits and other assets |
|---|
| Regulatory assets | 218 | 202 |
|---|
| Prepaid pension asset | 135 | 153 |
|---|
| Other | 50 | 54 |
|---|
| Total deferred debits and other assets | 403 | 409 |
|---|
| Total assets | $5,966 | $5,802 |
|---|
| December 31, |
|---|
| (In millions) | 2023 | 2022 |
|---|
| LIABILITIES AND SHAREHOLDER'S EQUITY |
|---|
| Current liabilities |
|---|
| Short-term borrowings | $63 | $115 |
|---|
| Long-term debt due within one year | 84 | 584 |
|---|
| Accounts payable | 159 | 172 |
|---|
| Accrued expenses | 64 | 41 |
|---|
| Payables to affiliates | 25 | 22 |
|---|
| Customer deposits | 31 | 29 |
|---|
| Regulatory liabilities | 50 | 44 |
|---|
| Other | 21 | 136 |
|---|
| Total current liabilities | 497 | 1,143 |
|---|
| Long-term debt | 1,996 | 1,354 |
|---|
| Deferred credits and other liabilities |
|---|
| Deferred income taxes and unamortized investment tax credits | 904 | 869 |
|---|
| Regulatory liabilities | 365 | 380 |
|---|
| Asset retirement obligations | 12 | 13 |
|---|
| Non-pension postretirement benefit obligations | 6 | 9 |
|---|
| Other | 93 | 84 |
|---|
| Total deferred credits and other liabilities | 1,380 | 1,355 |
|---|
| Total liabilities | 3,873 | 3,852 |
|---|
| Commitments and contingencies |
|---|
| Shareholder's equity |
|---|
| Common stock ($2.25 par value, 0 shares(a) authorized, 0 shares(a) outstanding as of December 31, 2023 and 2022, respectively) | 1,455 | 1,356 |
|---|
| Retained earnings | 638 | 594 |
|---|
| Total shareholder's equity | 2,093 | 1,950 |
|---|
| Total liabilities and shareholder's equity | $5,966 | $5,802 |
|---|
(a)In millions, shares round to zero. Number of shares is 1,000 authorized and outstanding as of December 31, 2023 and 2022.
| (In millions) | Common Stock | Retained Earnings | Total Shareholder's Equity |
|---|
| Balance at December 31, 2020 | $1,089 | $587 | $1,676 |
|---|
| Net income | — | 128 | 128 |
|---|
| Common stock dividends | — | (147) | (147) |
|---|
| Contributions from parent | 120 | — | 120 |
|---|
| 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 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Operating revenues |
|---|
| Electric operating revenues | $1,493 | $1,448 | $1,362 |
|---|
| Revenues from alternative revenue programs | 27 | (19) | 24 |
|---|
| Operating revenues from affiliates | 2 | 2 | 2 |
|---|
| Total operating revenues | 1,522 | 1,431 | 1,388 |
|---|
| Operating expenses |
|---|
| Purchased power | 637 | 622 | 677 |
|---|
| Purchased power from affiliate | — | 2 | 17 |
|---|
| Operating and maintenance | 233 | 189 | 179 |
|---|
| Operating and maintenance from affiliates | 153 | 142 | 141 |
|---|
| Depreciation and amortization | 283 | 261 | 179 |
|---|
| Taxes other than income taxes | 8 | 9 | 8 |
|---|
| Total operating expenses | 1,314 | 1,225 | 1,201 |
|---|
| Operating income | 208 | 206 | 187 |
|---|
| Other income and (deductions) |
|---|
| Interest expense, net | (72) | (66) | (58) |
|---|
| Other, net | 20 | 11 | 4 |
|---|
| Total other income and (deductions) | (52) | (55) | (54) |
|---|
| Income before income taxes | 156 | 151 | 133 |
|---|
| Income taxes | 36 | 3 | (13) |
|---|
| Net income | $120 | $148 | $146 |
|---|
| Comprehensive income | $120 | $148 | $146 |
|---|
| For the Years Ended December 31, |
|---|
| (In millions) | 2023 | 2022 | 2021 |
|---|
| Cash flows from operating activities |
|---|
| Net income | $120 | $148 | $146 |
|---|
| Adjustments to reconcile net income to net cash flows provided by operating activities: |
|---|
| Depreciation and amortization | 283 | 261 | 179 |
|---|
| Deferred income taxes and amortization of investment tax credits | 27 | (2) | (15) |
|---|
| Other non-cash operating activities | — | 46 | — |
|---|
| Changes in assets and liabilities: |
|---|
| Accounts receivable | (57) | (19) | (37) |
|---|
| Receivables from and payables to affiliates, net | (4) | (4) | 4 |
|---|
| Inventories | (12) | (7) | 1 |
|---|
| Accounts payable and accrued expenses | 27 | (9) | 3 |
|---|
| Collateral (paid) received, net | (50) | 46 | 4 |
|---|
| Income taxes | — | 11 | — |
|---|
| Regulatory assets and liabilities, net | (47) | (19) | 24 |
|---|
| Pension and non-pension postretirement benefit contributions | (3) | (7) | (3) |
|---|
| Other assets and liabilities | (83) | (61) | (11) |
|---|
| Net cash flows provided by operating activities | 201 | 384 | 295 |
|---|
| Cash flows from investing activities |
|---|
| Capital expenditures | (460) | (398) | (445) |
|---|
| Other investing activities | — | 1 | 1 |
|---|
| Net cash flows used in investing activities | (460) | (397) | (444) |
|---|
| Cash flows from financing activities |
|---|
| Changes in short-term borrowings | 199 | (144) | (43) |
|---|
| Issuance of long-term debt | 75 | 175 | 425 |
|---|
| Retirement of long-term debt | — | — | (260) |
|---|
| Dividends paid on common stock | (126) | (145) | (288) |
|---|
| Contributions from parent | 65 | 175 | 319 |
|---|
| Other financing activities | (5) | (5) | (5) |
|---|
| Net cash flows provided by financing activities | 208 | 56 | 148 |
|---|
| (Decrease) increase in cash, restricted cash, and cash equivalents | (51) | 43 | (1) |
|---|
| Cash, restricted cash, and cash equivalents at beginning of period | 72 | 29 | 30 |
|---|
| Cash, restricted cash, and cash equivalents at end of period | $21 | $72 | $29 |
|---|
| Supplemental cash flow information |
|---|
| (Decrease) increase in capital expenditures not paid | $(47) | $48 | $(18) |
|---|