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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
Jun. 30, 2019
Sep. 30, 2018
Current assets    
Cash and cash equivalents $ 300,000,000 $ 299,000,000
Accounts receivable, net 1,551,000,000 1,657,000,000
Inventories, net 1,051,000,000 961,000,000
Regulatory assets 183,000,000 414,000,000
Other current assets 87,000,000 86,000,000
Total current assets 3,172,000,000 3,417,000,000
Property, plant, and equipment    
Completed plant 62,716,000,000 61,114,000,000
Less accumulated depreciation (30,928,000,000) (29,335,000,000)
Net completed plant 31,788,000,000 31,779,000,000
Construction in progress 1,783,000,000 1,999,000,000
Nuclear fuel 1,408,000,000 1,487,000,000
Capital leases 146,000,000 149,000,000
Total property, plant, and equipment, net 35,125,000,000 35,414,000,000
Investment funds 2,899,000,000 2,862,000,000
Regulatory and other long-term assets    
Regulatory assets 6,755,000,000 6,612,000,000
Other long-term assets 324,000,000 362,000,000
Total regulatory and other long-term assets 7,079,000,000 6,974,000,000
Total assets 48,275,000,000 48,667,000,000
Current liabilities    
Accounts payable and accrued liabilities 1,739,000,000 1,982,000,000
Accrued interest 287,000,000 305,000,000
Current portion of leaseback obligations 40,000,000 38,000,000
Current portion of energy prepayment obligations 0 10,000,000
Regulatory liabilities 161,000,000 187,000,000
Short-term debt, net 1,444,186,406 1,216,000,000
Current maturities of power bonds 1,029,513,817 1,032,000,000
Current maturities of long-term debt of variable interest entities 38,623,895 38,000,000
Current maturities of notes payable 23,358,527 46,000,000
Total current liabilities 4,763,000,000 4,854,000,000
Other liabilities    
Post-retirement and post-employment benefit obligations 4,260,000,000 4,476,000,000
Asset retirement obligations 5,468,000,000 4,665,000,000
Other long-term liabilities 2,226,000,000 2,715,000,000
Leaseback obligations 223,000,000 263,000,000
Regulatory liabilities 64,000,000 104,000,000
Total other liabilities 12,241,000,000 12,223,000,000
Long-term debt, net    
Long-term power bonds, net 19,115,000,000 20,157,000,000
Long-term debt of variable interest entities, net 1,108,000,000 1,127,000,000
Long-term notes payable 0 23,000,000
Total long-term debt, net 20,223,000,000 21,307,000,000
Total liabilities 37,227,000,000 38,384,000,000
Proprietary capital    
Power program appropriation investment 258,000,000 258,000,000
Power program retained earnings 10,234,000,000 9,404,000,000
Total power program proprietary capital 10,492,000,000 9,662,000,000
Nonpower programs appropriation investment, net 558,000,000 564,000,000
Accumulated other comprehensive income (loss) (2,000,000) 57,000,000
Total proprietary capital 11,048,000,000 10,283,000,000
Total liabilities and proprietary capital $ 48,275,000,000 $ 48,667,000,000