v3.25.2
Benefit Plans
 6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Benefit Plans BENEFIT PLANS
 
The following table presents the net periodic benefit cost of the Pension Plans combined:
 Three Months EndedSix Months Ended
 June 30,June 30,
 2025202420252024
 (In Thousands)
Components of net periodic benefit cost:
    
Service cost$1,065 $1,253 $2,130 $2,506 
Interest cost6,891 6,739 13,782 13,478 
Expected return on plan assets(7,758)(7,443)(15,516)(14,886)
Amortization of prior service cost585 475 1,170 950 
Amortization of actuarial loss1,257 1,207 2,514 2,414 
Net periodic benefit cost
$2,040 $2,231 $4,080 $4,462 
The components of net periodic benefit cost other than service cost are included in “Other (expense) / income, net” in the Condensed Consolidated Statements of Operations.

In addition, AES Indiana provides postretirement health care benefits to certain active or retired employees and the spouses of certain active or retired employees. These postretirement health care benefits and the related unfunded obligation were not material to the Financial Statements in the periods covered by this report.