v3.25.2
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN MEMBER’S EQUITY - AEP Transmission Holdco - USD ($)
$ in Millions
Total
Paid-in Capital
Retained Earnings
Noncontrolling Interests
AEPTCo
AEPTCo
Paid-in Capital
AEPTCo
Retained Earnings
AEPTCo
Noncontrolling Interests
Beginning balance at Dec. 31, 2023         $ 6,333.3 $ 3,043.4 $ 3,289.9 $ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Capital Contribution from AEP Member         25.0 25.0    
Dividends Paid to AEP Member         (40.0)   (40.0)  
Net Income $ 1,005.7   $ 1,003.1 $ 2.6 181.2   181.2  
Ending balance at Mar. 31, 2024         6,499.5 3,068.4 3,431.1 0.0
Beginning balance at Dec. 31, 2023         6,333.3 3,043.4 3,289.9 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net Income 1,348.2       356.9      
Ending balance at Jun. 30, 2024         6,653.8 3,078.0 3,575.8 0.0
Beginning balance at Mar. 31, 2024         6,499.5 3,068.4 3,431.1 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Capital Contribution from AEP Member         9.6 9.6    
Dividends Paid to AEP Member         (31.0)   (31.0)  
Net Income 342.5   340.3 2.2 175.7   175.7  
Ending balance at Jun. 30, 2024         6,653.8 3,078.0 3,575.8 0.0
Beginning balance at Dec. 31, 2024         6,950.9 3,100.6 3,850.3 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Capital Contribution from AEP Member         32.5 32.5    
Dividends Paid to AEP Member         (42.5)   (42.5)  
Net Income 802.2   800.2 2.0 211.5   211.5  
Ending balance at Mar. 31, 2025         7,152.4 3,133.1 4,019.3 0.0
Beginning balance at Dec. 31, 2024         6,950.9 3,100.6 3,850.3 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net Income 2,090.5       828.0      
Ending balance at Jun. 30, 2025         7,724.3 4,931.9 1,739.3 1,053.1
Beginning balance at Mar. 31, 2025         7,152.4 3,133.1 4,019.3 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Capital Contribution from AEP Member         8.3 8.3    
Dividends Paid to AEP Member         (2,835.8)   (2,835.8)  
Net Income 1,288.3   $ 1,225.8 62.5 616.5   555.8 60.7
Midwest Transmission Holdings Noncontrolling Interest Transaction $ 2,782.9 $ 1,790.5   $ 992.4 2,782.9 1,790.5   992.4
Ending balance at Jun. 30, 2025         $ 7,724.3 $ 4,931.9 $ 1,739.3 $ 1,053.1