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Utility Regulatory Assets and Liabilities and Regulatory Matters | 6 Months Ended
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Mar. 31, 2022
Regulated Operations [Abstract] |
Utility Regulatory Assets and Liabilities and Regulatory Matters | Note 7 — Utility Regulatory Assets and Liabilities and Regulatory Matters For a description of the Company’s regulatory assets and liabilities other than those described below, see Note 9 in the Company’s 2021 Annual Report. Other than removal costs, Utilities currently does not recover a rate of return on its regulatory assets listed below. The following regulatory assets and liabilities associated with Utilities are included on the Condensed Consolidated Balance Sheets:
|  | March 31, 2022 |  | September 30, 2021 |  | March 31, 2021
Regulatory assets (a): |  |  |  |  |  |
Income taxes recoverable |  | $ | 148 |  |  | $ | 143 |  |  | $ | 128 |
Underfunded pension and postretirement plans |  | 104 |  |  | 108 |  |  | 169 |
Environmental costs |  | 55 |  |  | 58 |  |  | 59 |
Deferred fuel and power costs |  | 6 |  |  | 11 |  |  | — |
Removal costs, net |  | 22 |  |  | 24 |  |  | 24 |
Other |  | 49 |  |  | 53 |  |  | 18 |
Total regulatory assets |  | $ | 384 |  |  | $ | 397 |  |  | $ | 398 |
Regulatory liabilities (a): |  |  |  |  |  |
Postretirement benefit overcollections |  | $ | 12 |  |  | $ | 13 |  |  | $ | 12 |
Deferred fuel and power refunds |  | 17 |  |  | 36 |  |  | 17 |
State tax benefits — distribution system repairs |  | 34 |  |  | 32 |  |  | 29 |
Excess federal deferred income taxes |  | 283 |  |  | 287 |  |  | 270 |
Other |  | 14 |  |  | 20 |  |  | 7 |
Total regulatory liabilities |  | $ | 360 |  |  | $ | 388 |  |  | $ | 335 |
(a)Current regulatory assets are included in “Prepaid expenses and other current assets” and regulatory liabilities are included in “Other current liabilities” and “Other noncurrent liabilities” on the Condensed Consolidated Balance Sheets. Deferred fuel and power - costs and refunds. Utilities’ tariffs contain clauses that permit recovery of all prudently incurred purchased gas and power costs through the application of PGC rates and DS tariffs. These clauses provide for periodic adjustments to PGC and DS rates for differences between the total amount of purchased gas and electric generation supply costs collected from customers and recoverable costs incurred. Net undercollected costs are classified as a regulatory asset and net overcollections are classified as a regulatory liability. PA Gas Utility uses derivative instruments to reduce volatility in the cost of gas it purchases for retail core-market customers. Realized and unrealized gains or losses on natural gas derivative instruments are included in deferred fuel and power costs or refunds. Net unrealized gains on such contracts at March 31, 2022, September 30, 2021 and March 31, 2021 were $21, $35 and $1, respectively. Other Regulatory Matters Base Rate Filings. On January 28, 2022, PA Gas Utility filed a request with the PAPUC to increase its base operating revenues for residential, commercial and industrial customers by $83 annually. The increased revenues would fund ongoing system improvements and operations necessary to maintain safe and reliable natural gas service and continue to fund programs designed to promote and reward customers’ efforts to increase efficient use of natural gas. PA Gas Utility requested that the new gas rates become effective March 29, 2022. The PAPUC entered an Order on February 24, 2022, suspending the effective date for the rate increase to allow for investigation and public hearings. Unless a settlement is reached sooner, the review process is expected to last up to nine months from the date of filing. The Company cannot predict the timing or the ultimate outcome of the rate case review process. On February 8, 2021, Electric Utility filed a rate request with the PAPUC to increase its annual base distribution revenues by $9. On October 28, 2021, the PAPUC issued a final order approving a settlement that permitted Electric Utility, effective November 9, 2021, to increase its base distribution revenues by $6. On January 28, 2020, PA Gas Utility filed a request with the PAPUC to increase its annual base distribution operating revenues by $75 annually. On October 8, 2020, the PAPUC issued a final Order approving a settlement that permitted PA Gas Utility to increase its annual base distribution rates by $20, through a phased approach, with $10 beginning January 1, 2021 and an additional $10 beginning July 1, 2021. Additionally, PA Gas Utility was authorized to implement a DSIC once PA Gas Utility total property, plant and equipment less accumulated depreciation reached $2,875. This threshold was achieved in December 2020, and PA Gas Utility implemented a DSIC effective April 1, 2021. The PAPUC’s final Order also included enhanced COVID-19 customer assistance measures, including the establishment of an Emergency Relief Program for a defined set of payment troubled customers (“ERP”). Additionally, the PAPUC’s final order permitted PA Gas Utility to establish a regulatory asset for certain incremental expenses attributable to the ongoing COVID-19 pandemic, most notably expenses related to the ERP and uncollectible accounts expense, through the effective date of rates in the next PA Gas Utility base rate case, to be recovered and amortized over a 10-year period. In accordance with the terms of the Joint Petition, PA Gas Utility was not permitted to file a rate case prior to January 1, 2022.

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