v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
6 Months Ended
Mar. 31, 2026
Accounting Policies [Abstract]  
Schedule of Restricted Cash
The following table provides a reconciliation of cash and cash equivalents and restricted cash reported in the Unaudited Condensed Consolidated Balance Sheets to the total amounts in the Unaudited Condensed Consolidated Statements of Cash Flows as follows:
(Thousands)March 31,
2026
September 30,
2025
March 31,
2025
Balance Sheet
Cash and cash equivalents$125,284 $591 $83,708 
Restricted cash in other noncurrent assets$1,158 $1,058 $983 
Statements of Cash Flow
Cash, cash equivalents and restricted cash$126,442 $1,649 $84,691 
Schedule of Natural Gas in Storage
The following table summarizes natural gas in storage, at average cost by segment as of:
March 31, 2026September 30, 2025
($ in thousands)Natural Gas in StorageBcfNatural Gas in StorageBcf
NJNG$42,487 6.8 $184,099 30.8 
ES16,788 5.2 30,686 13.2 
S&T1,259 0.4 1,051 0.3 
Total$60,534 12.4 $215,836 44.3 
Schedule of Software Costs Included in the Consolidated Financial Statements
The following tables present the software costs included in the Unaudited Condensed Consolidated Financial Statements:
(Thousands)March 31,
2026
September 30,
2025
Balance Sheets
Utility plant, at cost$134,817 $132,868 
Construction work in progress$109,174 $87,274 
Nonutility plant and equipment, at cost$344 $344 
Accumulated depreciation and amortization, utility plant$(31,418)$(24,906)
Accumulated depreciation and amortization, nonutility plant and equipment$(85)$(70)
Software costs$11,195 $11,151 

Three Months EndedSix Months Ended
March 31,March 31,
Statements of Operations2026202520262025
Operation and maintenance$323 $1,151 $516 $3,887 
Depreciation and amortization$3,130 $3,128 $6,527 $5,543 
Schedule of Accumulated Other Comprehensive Loss
The following table presents the changes in the components of accumulated other comprehensive loss, net of related tax effects during the three months ended March 31, 2026 and 2025:
(Thousands)Cash Flow HedgesPostemployment Benefit ObligationTotal
Balance as of December 31, 2025$(4,899)$(6,306)$(11,205)
Other comprehensive income (loss), net of tax
Amounts reclassified from accumulated other comprehensive income (loss), net of tax of $(80), $2, $(78), respectively
262 (4)(1)258 
Balance as of March 31, 2026$(4,637)$(6,310)$(10,947)
Balance as of December 31, 2024$(5,952)$(501)$(6,453)
Other comprehensive income (loss), net of tax
Amounts reclassified from accumulated other comprehensive income (loss), net of tax of $(80), $58 and $(22), respectively
263 (196)(1)67 
Balance as of March 31, 2025$(5,689)$(697)$(6,386)
(1)Included in the computation of net periodic pension cost, a component of O&M on the Unaudited Condensed Consolidated Statements of Operations.

The following table presents the changes in the components of accumulated other comprehensive loss, net of related tax effects during the six months ended March 31, 2026 and 2025:
(Thousands)Cash Flow HedgesPostemployment Benefit ObligationTotal
Balance as of September 30, 2025$(5,163)$(6,300)$(11,463)
Other comprehensive income (loss), net of tax
Amounts reclassified from accumulated other comprehensive income (loss), net of tax of $(159), $3 and $(156), respectively
526 (10)(1)516 
Balance as of March 31, 2026$(4,637)$(6,310)$(10,947)
Balance as of September 30, 2024$(6,215)$(306)$(6,521)
Other comprehensive income (loss), net of tax
Amounts reclassified from accumulated other comprehensive income (loss) net of tax of $(159), $116 and $(43), respectively
526 (391)(1)135 
Balance as of March 31, 2025$(5,689)$(697)$(6,386)
(1)Included in the computation of net periodic pension cost, a component of O&M on the Unaudited Condensed Consolidated Statements of Operations.