| Schedule of Disaggregation of Revenue |
The following tables disaggregate our revenue from contracts with customers by customer type and segment and provide a reconciliation to total operating revenues, including intersegment revenues, for the three and six months ended March 31, 2026 and 2025. | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2026 | | Three Months Ended March 31, 2025 | | Distribution | | Pipeline and Storage | | Distribution | | Pipeline and Storage | | (In thousands) | | Gas sales revenues: | | | | | | | | | Residential | $ | 1,219,792 | | | $ | — | | | $ | 1,308,691 | | | $ | — | | | Commercial | 469,001 | | | — | | | 480,108 | | | — | | | Industrial | 44,479 | | | — | | | 38,885 | | | — | | | Public authority and other | 15,458 | | | — | | | 23,921 | | | — | | | Total gas sales revenues | 1,748,730 | | | — | | | 1,851,605 | | | — | | | Transportation revenues | 44,363 | | | 318,780 | | | 43,352 | | | 266,514 | | | Miscellaneous revenues | 3,461 | | | 3,351 | | | 4,222 | | | 4,259 | | | Revenues from contracts with customers | 1,796,554 | | | 322,131 | | | 1,899,179 | | | 270,773 | | | Alternative revenue program revenues | 77,179 | | | (32,842) | | | (20,117) | | | (11,774) | | | Other revenues | 3,947 | | | — | | | 3,466 | | | — | | | Total operating revenues | $ | 1,877,680 | | | $ | 289,289 | | | $ | 1,882,528 | | | $ | 258,999 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended March 31, 2026 | | Six Months Ended March 31, 2025 | | Distribution | | Pipeline and Storage | | Distribution | | Pipeline and Storage | | (In thousands) | | Gas sales revenues: | | | | | | | | | Residential | $ | 2,000,204 | | | $ | — | | | $ | 2,001,741 | | | $ | — | | | Commercial | 784,566 | | | — | | | 746,162 | | | — | | | Industrial | 77,340 | | | — | | | 65,206 | | | — | | | Public authority and other | 25,535 | | | — | | | 36,802 | | | — | | | Total gas sales revenues | 2,887,645 | | | — | | | 2,849,911 | | | — | | | Transportation revenues | 85,841 | | | 636,183 | | | 80,079 | | | 532,543 | | | Miscellaneous revenues | 6,299 | | | 5,981 | | | 7,244 | | | 6,923 | | | Revenues from contracts with customers | 2,979,785 | | | 642,164 | | | 2,937,234 | | | 539,466 | | | Alternative revenue program revenues | 149,011 | | | (66,242) | | | 47,219 | | | (25,077) | | | Other revenues | 7,710 | | | — | | | 7,410 | | | — | | | Total operating revenues | $ | 3,136,506 | | | $ | 575,922 | | | $ | 2,991,863 | | | $ | 514,389 | |
|
| Schedule of Allowance for Credit Loss Activity |
Rollforwards of our allowance for uncollectible accounts for the three and six months ended March 31, 2026 and 2025 are presented in the table below. The allowance excludes the gas cost portion of customers’ bills for approximately 89 percent of our customers as we have the ability to collect these gas costs through our gas cost recovery mechanisms in most of our jurisdictions. | | | | | | | | Three Months Ended March 31, 2026 | | | (In thousands) | | Beginning balance, December 31, 2025 | $ | 45,100 | | | Current period provisions | 14,060 | | | Write-offs charged against allowance | (4,275) | | | Recoveries of amounts previously written off | 459 | | | | Ending balance, March 31, 2026 | $ | 55,344 | |
| | | | | | | | Three Months Ended March 31, 2025 | | | (In thousands) | | Beginning balance, December 31, 2024 | $ | 39,166 | | | Current period provisions | 14,391 | | | Write-offs charged against allowance | (4,761) | | | Recoveries of amounts previously written off | 545 | | | | Ending balance, March 31, 2025 | $ | 49,341 | |
| | | | | | | | | | Six Months Ended March 31, 2026 | | | (In thousands) | Beginning balance, September 30, 2025 | $ | 45,259 | | | Current period provisions | 21,485 | | | Write-offs charged against allowance | (12,866) | | | Recoveries of amounts previously written off | 1,466 | | | | Ending balance, March 31, 2026 | $ | 55,344 | |
| | | | | | | | | | Six Months Ended March 31, 2025 | | | (In thousands) | Beginning balance, September 30, 2024 | $ | 37,056 | | | Current period provisions | 23,015 | | | Write-offs charged against allowance | (12,209) | | | Recoveries of amounts previously written off | 1,479 | | | | Ending balance, March 31, 2025 | $ | 49,341 | |
|