v3.26.1
Regulatory Matters (Tables)
 6 Months Ended
Jun. 30, 2026
Regulated Operations [Abstract]  
Schedule of Generate Rate Cases and Infrastructure Surcharges
The table below summarizes the annualized incremental revenues, assuming a constant sales volume and customer count, resulting from general rate case authorizations that are effective during 2026. The amounts include reductions for the amortization of the excess accumulated deferred income taxes that are generally offset in income tax expense.
Effective DateAmount
General rate cases by state:
PennsylvaniaAugust 13, 2026$75 
West VirginiaMarch 1, 202620 
MarylandFebruary 26, 20262 
California, Attrition Increase (a)January 1, 202614 
Total general rate case authorizations$111 
(a)The effective annualized incremental revenue increase for the 2026 attrition year was finalized through the standard Advice Letter process with the California Public Utilities Commission in January 2026.
Schedule of Annualized Incremental Revenues Presented in the table below are annualized incremental revenues, assuming a constant sales volume and customer count, resulting from infrastructure surcharge authorizations that are effective during 2026:
Effective DateAmount
Infrastructure surcharges by state:
MissouriAugust 15, 2026$18 
Pennsylvania(a)27 
New JerseyMay 30, 202625 
IndianaMarch 18, 202615 
West VirginiaMarch 1, 20262 
MissouriMarch 1, 202613 
IllinoisJanuary 1, 20265 
Total infrastructure surcharge authorizations$105 
(a)In 2026, $11 million was effective January 1, $7 million was effective April 1 and $9 million was effective July 1.