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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | $ 521 | $ 520 | $ 518
Cash flows from operating activities |  |  |
Net income (loss) | 500 | 1,108 | 1,512
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |  |
Depreciation and amortization (including amortization of debt issuance costs and premiums/discounts) | 2,235 | 2,076 | 1,555
Amortization of nuclear fuel cost | 371 | 347 | 383
Non-cash retirement benefit expense | 241 | 328 | 333
Regulatory asset amount expensed | 31 | 70 | 72
Changes in current assets and liabilities |  |  |
Accounts receivable, net | 301 | (412) | (18)
Inventories and other current assets, net | (83) | (163) | 42
Accounts payable and accrued liabilities | (1) | 282 | 178
Accrued interest | (1) | (7) | (18)
Pension contributions | (306) | (308) | (306)
Settlements of asset retirement obligations | (327) | (291) | 242
Other, net | (89) | (82) | (91)
Net cash provided by operating activities | 2,872 | 2,948 | 3,256
Cash flows from investing activities |  |  |
Construction expenditures | (2,526) | (2,361) | (1,963)
Nuclear fuel expenditures | (273) | (283) | (354)
Acquisition of leasehold interests in combustion turbine assets | (155) | 0 | 0
Purchases of investments | (51) | (51) | (50)
Loans and other receivables |  |  |
Repayments | 8 | 15 | 9
Other, net | 10 | 26 | 27
Net cash used in investing activities | (2,994) | (2,663) | (2,338)
Long-term debt |  |  |
Issues of power bonds | 992 | 484 | 500
Redemptions and repurchases of power bonds | (29) | (1,028) | (1,860)
Payments on debt of variable interest entities | (39) | (43) | (41)
Short-term debt issues (redemptions), net | (740) | 392 | 723
Finance Lease, Principal Payments | 56 | 85 | 250
Financing costs, net | (4) | (3) | (2)
Other, net | (1) | 0 | 9
Net cash (used in) provided by financing activities | 123 | (283) | (921)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect | 1 | 2 | (3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total | 1 |  |
Advances on loans receivable | $ (7) | $ (9) | $ (7)

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