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Regulatory Assets and Liabilities | 6 Months Ended
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Mar. 31, 2020
Regulatory Assets and Liabilities [Abstract] |
Regulatory Assets and Liabilities | Regulatory Assets and Liabilities The Company’s regulated operations follow the accounting and reporting requirements of FASB ASC No. 980, Regulated Operations. The economic effects of regulation can result in a regulated company deferring costs that have been or are expected to be recovered from customers in a period different from the period in which the costs would be charged to expense by an unregulated enterprise. When this situation occurs, costs are deferred as assets in the condensed consolidated balance sheet (regulatory assets) and amortized into expense over periods when such amounts are reflected in rates. Additionally, regulators can impose liabilities upon a regulated company for amounts previously collected from customers and for current collection in rates of costs that are expected to be incurred in the future (regulatory liabilities). In the event the provisions of FASB ASC No. 980 no longer apply to any or all regulatory assets or liabilities, the Company would write off such amounts and include them in the condensed consolidated statements of income and comprehensive income in the period which FASB ASC No. 980 no longer applied. Regulatory assets included in the Company’s condensed consolidated balance sheets are as follows:
| March 31, 2020 |  | September 30, 2019
Assets: |  |  |
Current Assets: |  |  |
Regulatory assets: |  |  |
WNA | $ | 2,386,713 |  |  | $ | 569,558 |
ESAC assets | 180,809 |  |  | 265,392 |
Accrued pension and postretirement medical | 301,336 |  |  | 602,674 |
Other deferred expenses | 84,315 |  |  | 84,315 |
Total current | 2,953,173 |  |  | 1,521,939 |
Utility Property: |  |  |
In service: |  |  |
Other | 11,945 |  |  | 11,945 |
Construction work in progress: |  |  |
AFUDC | 217,147 |  |  | — |
Other Assets: |  |  |
Regulatory assets: |  |  |
Premium on early retirement of debt | 1,655,714 |  |  | 1,712,808 |
Accrued pension and postretirement medical | 9,414,695 |  |  | 9,414,695 |
ESAC assets | 371,475 |  |  | 756,803 |
Other deferred expenses | 257,085 |  |  | 294,547 |
Total non-current | 11,698,969 |  |  | 12,178,853 |
Total regulatory assets | $ | 14,881,234 |  |  | $ | 13,712,737 |
Regulatory liabilities included in the Company’s condensed consolidated balance sheets are as follows:
| March 31, 2020 |  | September 30, 2019
Liabilities and Stockholders' Equity: |  |  |
Current Liabilities: |  |  |
Regulatory liabilities: |  |  |
Over-recovery of gas costs | $ | 2,217,721 |  |  | $ | 161,837 |
Over-recovery of SAVE Plan revenues | 397,581 |  |  | 574,181 |
Rate refund | — |  |  | 3,827,588 |
Excess deferred income taxes | 205,353 |  |  | 205,353 |
Other deferred liabilities | 166,136 |  |  | 108,644 |
Total current | 2,986,791 |  |  | 4,877,603 |
Deferred Credits and Other Liabilities: |  |  |
Asset retirement obligations | 6,943,766 |  |  | 6,788,683 |
Regulatory cost of retirement obligations | 12,303,970 |  |  | 11,892,352 |
Regulatory Liabilities: |  |  |
Excess deferred income taxes | 10,767,006 |  |  | 10,934,434 |
Total non-current | 30,014,742 |  |  | 29,615,469 |
Total regulatory liabilities | $ | 33,001,533 |  |  | $ | 34,493,072 |
As of March 31, 2020 and September 30, 2019, the Company had regulatory assets in the amount of $14,652,142 and $13,700,792, respectively, on which the Company did not earn a return during the recovery period.

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- Definition Regulatory Assets and Liabilities [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit. + References No definition available. + Details
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