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LEASES (Tables)
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Schedule of Lease Rental Costs and Supplemental Lease Information The components of rental costs were as follows:
Year Ended December 31, 2024AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Operating Lease Cost
$145.9 $32.3 $1.3 $18.4 $19.6 $16.8 $13.5 $17.8 
Finance Lease Cost:
Amortization of Right-of-Use Assets
63.7 7.5 — 8.7 7.2 5.3 3.3 13.0 
Interest on Lease Liabilities
11.9 1.4 — 1.5 2.2 0.9 0.7 1.6 
Total Lease Rental Costs (a)$221.5 $41.2 $1.3 $28.6 $29.0 $23.0 $17.5 $32.4 
Year Ended December 31, 2023AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Operating Lease Cost
$149.9 $34.0 $1.3 $18.5 $19.6 $17.3 $13.5 $17.5 
Finance Lease Cost:
Amortization of Right-of-Use Assets
69.1 7.4 — 8.3 7.3 5.0 3.3 19.9 
Interest on Lease Liabilities
11.9 1.4 — 1.8 2.5 0.9 0.7 1.4 
Total Lease Rental Costs (a)$230.9 $42.8 $1.3 $28.6 $29.4 $23.2 $17.5 $38.8 
Year Ended December 31, 2022AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Operating Lease Cost
$157.5 $18.4 $1.1 $17.9 $29.5 $16.9 $11.8 $15.3 
Finance Lease Cost:
Amortization of Right-of-Use Assets
205.5 6.8 — 7.9 78.7 4.9 3.2 10.8 
Interest on Lease Liabilities
13.4 1.3 — 2.0 3.1 0.8 0.6 2.1 
Total Lease Rental Costs (a)$376.4 $26.5 $1.1 $27.8 $111.3 $22.6 $15.6 $28.2 

(a)Excludes variable and short-term lease costs, which were immaterial.
Supplemental information related to leases are shown in the tables below:
December 31, 2024AEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
Weighted-Average Remaining Lease Term (years):
Operating Leases
12.804.452.295.394.434.6423.6821.97
Finance Leases
4.815.040.004.094.834.585.446.14
Weighted-Average Discount Rate:
Operating Leases
3.89 %4.29 %4.55 %4.20 %4.11 %4.17 %3.76 %3.60 %
Finance Leases
6.43 %5.73 %— %6.69 %9.07 %5.59 %5.48 %5.73 %

December 31, 2023AEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
Weighted-Average Remaining Lease Term (years):
Operating Leases
12.583.992.766.014.535.3623.8522.50
Finance Leases
4.635.130.004.164.954.975.764.78
Weighted-Average Discount Rate:
Operating Leases
3.73 %4.23 %3.61 %3.50 %3.89 %3.93 %3.72 %3.53 %
Finance Leases
6.19 %5.27 %— %7.04 %8.62 %5.32 %5.14 %5.22 %

Year Ended December 31, 2024AEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating Cash Flows Used for Operating Leases
$143.9 $32.2 $1.3 $18.4 $19.6 $16.8 $12.5 $16.8 
Operating Cash Flows Used for Finance Leases
12.0 1.4 — 1.5 2.2 0.9 0.7 1.7 
Financing Cash Flows Used for Finance Leases
64.8 7.5 — 8.7 7.1 5.3 3.3 14.0 
Non-cash Acquisitions Under Operating Leases$82.3 $6.0 $1.0 $9.3 $15.0 $4.6 $2.5 $26.9 

Year Ended December 31, 2023AEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating Cash Flows Used for Operating Leases
$146.8 $33.6 $1.3 $18.3 $19.5 $17.0 $12.5 $16.5 
Operating Cash Flows Used for Finance Leases
11.9 1.4 — 1.8 2.5 0.9 0.7 1.4 
Financing Cash Flows Used for Finance Leases
68.3 7.4 — 8.3 7.4 5.0 3.3 19.1 
Non-cash Acquisitions Under Operating Leases$99.8 $12.4 $1.2 $15.7 $7.9 $10.2 $15.5 $14.3 
Schedule of Property, Plant, and Equipment Under Finance Leases and Noncurrent Assets Under Operating Leases
The following tables show property, plant and equipment under finance leases and noncurrent assets under operating leases and related obligations recorded on the balance sheets.  Unless shown as a separate line on the balance sheets due to materiality, net operating lease assets are included in Deferred Charges and Other Noncurrent Assets, current finance lease obligations are included in Other Current Liabilities and long-term finance lease obligations are included in Deferred Credits and Other Noncurrent Liabilities on the balance sheets. Lease obligations are not recognized on the balance sheets for lease agreements with a lease term of less than twelve months.
December 31, 2024AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Property, Plant and Equipment Under Finance Leases:
Generation$73.8 $— $— $41.6 $16.6 $— $0.6 $2.0 
Other Property, Plant and Equipment283.7 52.4 — 19.4 38.8 30.4 23.0 29.8 
Total Property, Plant and Equipment357.5 52.4 — 61.0 55.4 30.4 23.6 31.8 
Accumulated Amortization193.9 27.7 — 42.0 33.4 16.1 11.3 13.3 
Net Property, Plant and Equipment Under Finance Leases
$163.6 $24.7 $— $19.0 $22.0 $14.3 $12.3 $18.5 
Obligations Under Finance Leases:
Noncurrent Liability$117.1 $18.2 $— $11.2 $15.9 $10.2 $9.5 $14.8 
Liability Due Within One Year46.5 6.5 — 7.8 6.1 4.1 2.8 3.7 
Total Obligations Under Finance Leases
$163.6 $24.7 $— $19.0 $22.0 $14.3 $12.3 $18.5 

December 31, 2023AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Property, Plant and Equipment Under Finance Leases:
Generation$120.1 $— $— $41.0 $28.2 $— $0.6 $25.3 
Other Property, Plant and Equipment305.9 53.9 — 22.1 42.3 33.7 25.5 32.0 
Total Property, Plant and Equipment426.0 53.9 — 63.1 70.5 33.7 26.1 57.3 
Accumulated Amortization221.5 26.3 — 37.1 39.0 15.5 12.3 28.3 
Net Property, Plant and Equipment Under Finance Leases
$204.5 $27.6 $— $26.0 $31.5 $18.2 $13.8 $29.0 
Obligations Under Finance Leases:
Noncurrent Liability$139.9 $20.6 $— $17.8 $20.8 $13.2 $10.7 $18.8 
Liability Due Within One Year65.7 7.0 — 8.2 10.7 5.0 3.1 11.3 
Total Obligations Under Finance Leases
$205.6 $27.6 $— $26.0 $31.5 $18.2 $13.8 $30.1 

December 31, 2024AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Operating Lease Assets
$580.1 $54.4 $2.3 $67.0 $51.5 $60.4 $106.2 $141.0 
Obligations Under Operating Leases:
Noncurrent Liability$504.3 $43.4 $1.2 $54.0 $40.1 $48.4 $101.9 $137.5 
Liability Due Within One Year91.9 13.1 1.3 13.7 12.3 12.3 10.4 8.2 
Total Obligations Under Operating Leases
$596.2 $56.5 $2.5 $67.7 $52.4 $60.7 $112.3 $145.7 
December 31, 2023AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Operating Lease Assets
$620.2 $77.6 $2.6 $73.7 $53.8 $69.9 $112.8 $126.3 
Obligations Under Operating Leases:
Noncurrent Liability$519.4 $50.9 $1.4 $59.8 $37.7 $56.7 $106.8 $122.5 
Liability Due Within One Year115.7 28.7 1.3 14.6 16.8 13.5 10.1 9.0 
Total Obligations Under Operating Leases
$635.1 $79.6 $2.7 $74.4 $54.5 $70.2 $116.9 $131.5 
Schedule of Finance Lease Liabilities Rolling Future Minimum Lease Payments
Future minimum lease payments consisted of the following as of December 31, 2024:
Finance LeasesAEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
2025$55.6 $7.8 $— $8.9 $7.7 $4.8 $3.4 $4.7 
202639.8 6.2 — 4.0 4.9 3.6 2.9 4.0 
202730.5 4.5 — 2.5 4.1 2.6 2.3 3.3 
202823.1 3.1 — 2.0 3.4 2.0 1.8 2.7 
202915.5 2.4 — 1.6 2.8 1.4 1.3 2.4 
After 202926.4 4.7 — 2.5 4.7 1.9 2.6 5.0 
Total Future Minimum Lease Payments
190.9 28.7 — 21.5 27.6 16.3 14.3 22.1 
Less: Imputed Interest
27.3 4.0 — 2.5 5.6 2.0 2.0 3.6 
Estimated Present Value of Future Minimum Lease Payments$163.6 $24.7 $— $19.0 $22.0 $14.3 $12.3 $18.5 

Operating LeasesAEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
2025$123.0 $16.7 $1.3 $17.3 $15.9 $16.3 $11.6 $17.6 
2026107.8 14.5 0.7 15.3 15.0 15.1 10.8 15.5 
202794.0 11.9 0.3 13.6 11.0 13.5 9.8 14.1 
202878.5 8.9 0.3 11.4 9.0 11.3 8.4 12.1 
202952.3 4.9 — 8.2 4.4 6.6 6.5 9.0 
After 2029340.0 6.5 — 10.2 2.4 4.9 123.7 178.1 
Total Future Minimum Lease Payments
795.6 63.4 2.6 76.0 57.7 67.7 170.8 246.4 
Less: Imputed Interest199.4 6.9 0.1 8.3 5.3 7.0 58.5 100.7 
Estimated Present Value of Future Minimum Lease Payments$596.2 $56.5 $2.5 $67.7 $52.4 $60.7 $112.3 $145.7 
Schedule of Operating Lease Liabilities Rolling Future Minimum Lease Payments
Future minimum lease payments consisted of the following as of December 31, 2024:
Finance LeasesAEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
2025$55.6 $7.8 $— $8.9 $7.7 $4.8 $3.4 $4.7 
202639.8 6.2 — 4.0 4.9 3.6 2.9 4.0 
202730.5 4.5 — 2.5 4.1 2.6 2.3 3.3 
202823.1 3.1 — 2.0 3.4 2.0 1.8 2.7 
202915.5 2.4 — 1.6 2.8 1.4 1.3 2.4 
After 202926.4 4.7 — 2.5 4.7 1.9 2.6 5.0 
Total Future Minimum Lease Payments
190.9 28.7 — 21.5 27.6 16.3 14.3 22.1 
Less: Imputed Interest
27.3 4.0 — 2.5 5.6 2.0 2.0 3.6 
Estimated Present Value of Future Minimum Lease Payments$163.6 $24.7 $— $19.0 $22.0 $14.3 $12.3 $18.5 

Operating LeasesAEPAEP Texas AEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
2025$123.0 $16.7 $1.3 $17.3 $15.9 $16.3 $11.6 $17.6 
2026107.8 14.5 0.7 15.3 15.0 15.1 10.8 15.5 
202794.0 11.9 0.3 13.6 11.0 13.5 9.8 14.1 
202878.5 8.9 0.3 11.4 9.0 11.3 8.4 12.1 
202952.3 4.9 — 8.2 4.4 6.6 6.5 9.0 
After 2029340.0 6.5 — 10.2 2.4 4.9 123.7 178.1 
Total Future Minimum Lease Payments
795.6 63.4 2.6 76.0 57.7 67.7 170.8 246.4 
Less: Imputed Interest199.4 6.9 0.1 8.3 5.3 7.0 58.5 100.7 
Estimated Present Value of Future Minimum Lease Payments$596.2 $56.5 $2.5 $67.7 $52.4 $60.7 $112.3 $145.7 
Schedule of Maximum Potential Loss As of December 31, 2024, the maximum potential loss by the Registrants for these lease agreements assuming the fair value of the equipment is zero at the end of the lease term was as follows:
CompanyMaximum
Potential Loss
(in millions)
AEP$41.3 
AEP Texas9.4 
APCo5.4 
I&M3.9 
OPCo6.8 
PSO3.9 
SWEPCo4.7