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Net Completed Plant | 12 Months Ended
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Sep. 30, 2018
Property, Plant and Equipment, Net, by Type [Abstract] |
Net Completed Plant | Net completed plant consisted of the following:
Net Completed Plant At September 30
| 2018 |  | 2017
| Cost |  | Accumulated Depreciation |  | Net |  | Cost |  | Accumulated Depreciation |  | Net
Coal-fired | $ | 16,482 |  |  | $ | 11,033 |  |  | $ | 5,449 |  |  | $ | 15,937 |  |  | $ | 10,791 |  |  | $ | 5,146 |
Gas and oil-fired | 5,990 |  |  | 1,459 |  |  | 4,531 |  |  | 4,995 |  |  | 1,359 |  |  | 3,636 |
Nuclear | 25,227 |  |  | 11,310 |  |  | 13,917 |  |  | 25,010 |  |  | 10,834 |  |  | 14,176 |
Transmission | 7,515 |  |  | 3,038 |  |  | 4,477 |  |  | 7,264 |  |  | 3,039 |  |  | 4,225 |
Hydroelectric | 3,087 |  |  | 1,012 |  |  | 2,075 |  |  | 3,015 |  |  | 967 |  |  | 2,048 |
Other electrical plant | 1,881 |  |  | 1,107 |  |  | 774 |  |  | 1,756 |  |  | 1,008 |  |  | 748 |
Intangible software | 3 |  |  | — |  |  | 3 |  |  | — |  |  | — |  |  | — |
Multipurpose dams | 900 |  |  | 367 |  |  | 533 |  |  | 928 |  |  | 387 |  |  | 541 |
Other stewardship | 29 |  |  | 9 |  |  | 20 |  |  | 42 |  |  | 19 |  |  | 23 |
Total | $ | 61,114 |  |  | $ | 29,335 |  |  | $ | 31,779 |  |  | $ | 58,947 |  |  | $ | 28,404 |  |  | $ | 30,543 |

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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- References No definition available. + Details
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