XML 74 R33.htm IDEA: XBRL DOCUMENT v3.24.3
Commitments, Guarantees and Contingencies (Tables)
9 Months Ended
Sep. 30, 2024
Maximum Future Payments for Letters of Credit Uncommitted Facilities
CompanyAmountMaturity
 (in millions) 
AEP$236.3 October 2024 to July 2025
AEP Texas1.8 July 2025
Max Potential Loss on Master Lease Agreements
CompanyMaximum
Potential Loss
(in millions)
AEP$42.8 
AEP Texas9.9 
APCo5.5 
I&M4.0 
OPCo6.9 
PSO4.1 
SWEPCo4.9 
ARO Amount for Revised CCR Rule Compliance
RegistrantIncrease in AROIncrease in Generation Property (a)Increase in Regulatory Assets (b) Charged to Operating Expenses (c)
(in millions)
APCo$312.2 $75.6 $236.6 $— 
I&M85.7 — 72.3 13.4 
OPCo52.9 — — 52.9 
PSO33.7 33.7 — — 
SWEPCo23.8 23.8 — — 
Non-Registrants166.1 43.8 46.1 76.2 
Total$674.4 $176.9 $355.0 $142.5 

(a)ARO is related to a legacy CCR surface impoundment or CCR management unit at an operating generation facility.
(b)ARO is related to a legacy CCR surface impoundment or CCR management unit at a retired generation facility and recognition of a regulatory asset in accordance with the accounting guidance for “Regulated Operations” is supported.
(c)ARO is related to a legacy CCR surface impoundment or CCR management unit and recognition of a regulatory asset in accordance with the accounting guidance for “Regulated Operations” is not yet supported.