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Business Segments (Tables)
6 Months Ended
Jun. 30, 2024
Segment Reporting Information [Line Items]  
Reportable Segment Information
Three Months Ended June 30, 2024
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling AdjustmentsConsolidated
 (in millions)
Revenues from:      
External Customers
$2,572.0 $1,428.8 $108.7 $442.5 $27.2 $— $4,579.2 
Other Operating Segments
47.0 7.1 381.2 25.0 30.5 (490.8)(b)— 
Total Revenues$2,619.0 $1,435.9 $489.9 $467.5 $57.7 $(490.8)$4,579.2 
Net Income (Loss)
$66.7 $146.8 $201.9 $(4.8)$(68.1)$— $342.5 
Three Months Ended June 30, 2023
 Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling AdjustmentsConsolidated
 (in millions)
Revenues from:      
External Customers
$2,629.0 $1,330.8 $88.3 $318.2 $6.2 $— $4,372.5 
Other Operating Segments
45.5 9.4 370.3 13.2 25.8 (464.2)(b)— 
Total Revenues$2,674.5 $1,340.2 $458.6 $331.4 $32.0 $(464.2)$4,372.5 
Net Income (Loss)
$278.4 $176.7 $197.3 $(38.6)$(97.7)$— $516.1 
Six Months Ended June 30, 2024
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling AdjustmentsConsolidated
 (in millions)
Revenues from:      
External Customers
$5,473.2 $2,912.0 $219.2 $958.4 $42.1 $— $9,604.9 
Other Operating Segments
93.7 14.1 768.0 72.6 68.4 (1,016.8)(b)— 
Total Revenues$5,566.9 $2,926.1 $987.2 $1,031.0 $110.5 $(1,016.8)$9,604.9 
Net Income (Loss)
$629.0 $297.1 $411.7 $132.8 $(122.4)$— $1,348.2 
Six Months Ended June 30, 2023
 Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling AdjustmentsConsolidated
 (in millions)
Revenues from:      
External Customers
$5,445.3 $2,786.1 $178.4 $645.1 $8.5 $— $9,063.4 
Other Operating Segments
87.0 18.3 735.7 13.3 53.6 (907.9)(b)— 
Total Revenues$5,532.3 $2,804.4 $914.1 $658.4 $62.1 $(907.9)$9,063.4 
Net Income (Loss)
$540.6 $302.4 $379.7 $(195.0)$(111.2)$— $916.5 
June 30, 2024
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling
Adjustments
Consolidated
 (in millions)
Total Assets (c)$53,576.1 $25,969.4 $17,358.2 $2,263.7 $4,578.1 (d)$(4,122.9)(e)$99,622.6 
December 31, 2023
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration
&
Marketing
Corporate and Other (a)Reconciling
Adjustments
Consolidated
 (in millions)
Total Assets$51,802.1 $24,838.4 $16,575.6 $2,598.5 $5,194.0 (d)$(4,324.6)(e) $96,684.0 

(a)Corporate and Other primarily includes the purchasing of receivables from certain AEP utility subsidiaries. This segment also includes Parent’s guarantee revenue received from affiliates, investment income, interest income, interest expense and other nonallocated costs.
(b)Represents inter-segment revenues.
(c)Amount includes Assets Held for Sale on the balance sheet. See “Planned Disposition of AEP OnSite Partners” section of Note 6 for additional information.
(d)Includes elimination of Parent’s investments in wholly-owned subsidiary companies.
(e)Reconciling Adjustments for Total Assets primarily include elimination of intercompany advances to affiliates and intercompany accounts receivable.
Three Months Ended June 30, 2024
State TranscosAEPTCo ParentReconciling AdjustmentsAEPTCo
Consolidated
(in millions)
Revenues from:
External Customers
$97.0 $— $— $97.0 
Sales to AEP Affiliates
377.8 — — 377.8 
Other Revenues
0.4 — — 0.4 
Total Revenues$475.2 $— $— $475.2 
Net Income$175.2 $0.5 (a)$— $175.7 
Three Months Ended June 30, 2023
State Transcos AEPTCo ParentReconciling AdjustmentsAEPTCo
Consolidated
(in millions)
Revenues from:
External Customers
$87.4 $— $— $87.4 
Sales to AEP Affiliates
357.5 — — 357.5 
Total Revenues$444.9 $— $— $444.9 
Net Income$174.2 $1.5 (a)$— $175.7 
Six Months Ended June 30, 2024
State TranscosAEPTCo ParentReconciling AdjustmentsAEPTCo Consolidated
(in millions)
Revenues from:
External Customers$194.0 $— $— $194.0 
Sales to AEP Affiliates761.2 — — 761.2 
Other Revenues2.8 — — 2.8 
Total Revenues$958.0 $— $— $958.0 
Net Income$356.9 $— (a)$— $356.9 
Six Months Ended June 30, 2023
State TranscosAEPTCo ParentReconciling AdjustmentsAEPTCo Consolidated
(in millions)
Revenues from:
External Customers$176.4 $— $— $176.4 
Sales to AEP Affiliates710.1 — — 710.1 
Total Revenues$886.5 $— $— $886.5 
Net Income$335.8 $2.6 (a)$— $338.4 
June 30, 2024
State TranscosAEPTCo ParentReconciling AdjustmentsAEPTCo
Consolidated
(in millions)
Total Assets$15,835.5 $5,942.2 (b)$(5,991.5)(c)$15,786.2 
December 31, 2023
State TranscosAEPTCo ParentReconciling AdjustmentsAEPTCo
Consolidated
(in millions)
Total Assets$15,120.6 $5,486.6 (b)$(5,534.7)(c)$15,072.5 

(a)Includes the elimination of AEPTCo Parent’s equity earnings in the State Transcos.
(b)Primarily relates to Notes Receivable from the State Transcos.
(c)Primarily relates to the elimination of Notes Receivable from the State Transcos.