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 Date
    
Amount
 
General rate cases by state:
     
Pennsylvania
     August 13, 2026      $ 75  
West Virginia
     March 1, 2026        20  
Maryland
     February 26, 2026        2  
California, Attrition Increase (a)
     January 1, 2026        14  
     
 
 
 
Total general rate case authorizations
      $ 111  
     
 
 
 
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 Date
    
Amount
 
Infrastructure surcharges by state:
     
Missouri
     August 15, 2026      $ 18  
Pennsylvania
     (a      27  
New Jersey
     May 30, 2026        25  
Indiana
     March 18, 2026        15  
West Virginia
     March 1, 2026        2  
Missouri
     March 1, 2026        13  
Illinois
     January 1, 2026        5  
     
 
 
 
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.