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Revenue and Accounts Receivable
 9 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Revenue and Accounts Receivable Revenue and Accounts Receivable
Revenue
Our revenue recognition policy is fully described in Note 2 to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2025. 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 nine months ended June 30, 2026 and 2025.
Three Months Ended June 30, 2026Three Months Ended June 30, 2025
DistributionPipeline and StorageDistributionPipeline and Storage
(In thousands)
Gas sales revenues:
Residential$462,720 $— $473,478 $— 
Commercial214,797 — 213,377 — 
Industrial26,464 — 27,369 — 
Public authority and other5,757 — 8,920 — 
Total gas sales revenues709,738 — 723,144 — 
Transportation revenues39,498 395,186 35,908 284,103 
Miscellaneous revenues3,011 11,077 3,326 4,656 
Revenues from contracts with customers752,247 406,263 762,378 288,759 
Alternative revenue program revenues18,588 (73,210)1,438 (16,371)
Other revenues3,823 — 3,316 — 
Total operating revenues$774,658 $333,053 $767,132 $272,388 
Nine Months Ended June 30, 2026Nine Months Ended June 30, 2025
DistributionPipeline and StorageDistributionPipeline and Storage
(In thousands)
Gas sales revenues:
Residential$2,462,924 $— $2,475,219 $— 
Commercial999,363 — 959,539 — 
Industrial103,804 — 92,575 — 
Public authority and other31,292 — 45,722 — 
Total gas sales revenues3,597,383 — 3,573,055 — 
Transportation revenues125,339 1,031,369 115,987 816,646 
Miscellaneous revenues9,310 17,058 10,570 11,579 
Revenues from contracts with customers3,732,032 1,048,427 3,699,612 828,225 
Alternative revenue program revenues167,599 (139,452)48,657 (41,448)
Other revenues11,533 — 10,726 — 
Total operating revenues$3,911,164 $908,975 $3,758,995 $786,777 
We have alternative revenue programs in each of our segments. In our distribution segment, we have weather-normalization adjustment mechanisms that serve to mitigate the effects of weather on our revenue. In our pipeline and storage segment, APT has a regulatory mechanism that requires that we share with its tariffed customers 75% of the difference between the total non-tariffed revenues earned during a test period and a revenue benchmark established by the RRC. Other revenues includes AEK revenues (see Note 9 to the condensed consolidated financial statements) and other miscellaneous revenues.
Accounts receivable and allowance for uncollectible accounts
Accounts receivable arise from natural gas sales to residential, commercial, industrial, public authority, and other customers. Our accounts receivable balance includes unbilled amounts which represent a customer’s consumption of gas from the date of the last cycle billing through the last day of the month. Our policy related to the accounting for our accounts receivable and allowance for uncollectible accounts is fully described in Note 2 to the consolidated financial statements in our Annual Report on Form 10-K for the fiscal year ended September 30, 2025. During the nine months ended June 30, 2026, there were no material changes to this policy. Rollforwards of our allowance for uncollectible accounts for the three and nine months ended June 30, 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 June 30, 2026
(In thousands)
Beginning balance, March 31, 2026$55,344 
Current period provisions513 
Write-offs charged against allowance(4,813)
Recoveries of amounts previously written off303 
Ending balance, June 30, 2026
$51,347 
Three Months Ended June 30, 2025
(In thousands)
Beginning balance, March 31, 2025$49,341 
Current period provisions1,771 
Write-offs charged against allowance(5,054)
Recoveries of amounts previously written off302 
Ending balance, June 30, 2025
$46,360 
Nine Months Ended June 30, 2026
(In thousands)
Beginning balance, September 30, 2025
$45,259 
Current period provisions21,998 
Write-offs charged against allowance(17,679)
Recoveries of amounts previously written off1,769 
Ending balance, June 30, 2026
$51,347 
Nine Months Ended June 30, 2025
(In thousands)
Beginning balance, September 30, 2024
$37,056 
Current period provisions24,786 
Write-offs charged against allowance(17,263)
Recoveries of amounts previously written off1,781 
Ending balance, June 30, 2025
$46,360