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Commitments, Guarantees and Contingencies (Tables)
9 Months Ended
Sep. 30, 2023
Maximum Future Payments for Letters of Credit Uncommitted Facilities
CompanyAmountMaturity
 (in millions) 
AEP$249.1 October 2023 to September 2024
AEP Texas1.8 July 2024
APCo6.3 September 2024
I&M2.9 September 2024
Max Potential Loss on Master Lease Agreements
CompanyMaximum
Potential Loss
(in millions)
AEP$44.8 
AEP Texas10.9 
APCo5.6 
I&M4.2 
OPCo6.9 
PSO4.7 
SWEPCo5.3