v3.26.3
Derivative Instruments and Hedging Activities (Tables)
 9 Months Ended
Sep. 30, 2026
Derivative Instruments and Hedging Activities [Abstract]  
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value September 30, 2026, and the dates through which the maturities for each type of derivative range:
Commodity
Accounting Treatment
UnitMaximum Notional
(in thousands)		Latest Maturity
FTRsNot DesignatedMWh6,7232027
Natural gasNot DesignatedMMBtu12,0312028
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)
The amounts reclassified out of AOCI by component during the three and nine months ended September 30, 2026 and 2025 are as follows (in Thousands):

Details about AOCI components
Affected line item in the Condensed Consolidated Statements of OperationsThree Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Net gains on cash flow hedges Interest expense$(578)$(578)$(1,734)$(1,734)
Income tax effect144 144 432 432 
Total reclassifications for the period, net of income taxes$(434)$(434)$(1,302)$(1,302)