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Business Segments
 12 Months Ended
Dec. 31, 2019
Business Segments BUSINESS SEGMENTS

The disclosures in this note apply to all Registrants unless indicated otherwise.

AEP’s Reportable Segments

AEP’s primary business is the generation, transmission and distribution of electricity.  Within its Vertically Integrated Utilities segment, AEP centrally dispatches generation assets and manages its overall utility operations on an integrated basis because of the substantial impact of cost-based rates and regulatory oversight.  Intersegment sales and transfers are generally based on underlying contractual arrangements and agreements.

AEP’s reportable segments and their related business activities are outlined below:

Vertically Integrated Utilities

•
Generation, transmission and distribution of electricity for sale to retail and wholesale customers through assets owned and operated by AEGCo, APCo, I&M, KGPCo, KPCo, PSO, SWEPCo and WPCo.

Transmission and Distribution Utilities

•
Transmission and distribution of electricity for sale to retail and wholesale customers through assets owned and operated by AEP Texas and OPCo.
•
OPCo purchases energy and capacity at auction to serve SSO customers and provides transmission and distribution services for all connected load.

AEP Transmission Holdco

•
Development, construction and operation of transmission facilities through investments in AEPTCo. These investments have FERC-approved returns on equity.
•
Development, construction and operation of transmission facilities through investments in AEP’s transmission-only joint ventures. These investments have PUCT-approved or FERC-approved returns on equity.

Generation & Marketing

•
Contracted renewable energy investments and management services.
•
Competitive generation in ERCOT and PJM.
•
Marketing, risk management and retail activities in ERCOT, PJM, SPP and MISO.

The remainder of AEP’s activities are presented as Corporate and Other. While not considered a reportable segment, Corporate and Other primarily includes the purchasing of receivables from certain AEP utility subsidiaries, Parent’s guarantee revenue received from affiliates, investment income, interest income, interest expense, income tax expense and other nonallocated costs.

The tables below present AEP’s reportable segment income statement information for the years ended December 31, 2019, 2018 and 2017 and reportable segment balance sheet information as of December 31, 2019 and 2018.  
 
Vertically Integrated Utilities
 
Transmission and Distribution Utilities
 
AEP Transmission Holdco
 
Generation & Marketing
 
Corporate and Other (a)
 
Reconciling Adjustments
 
Consolidated
 
(in millions)
2019
 
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from:
 
 
 
 
 
 
 
 
 
 
 
 
 
External Customers
$
9,245.7

 
$
4,319.0

 
$
260.2

 
$
1,721.8

 
$
14.7

 
$
—

 
$
15,561.4

Other Operating Segments
121.4

 
163.5

 
813.0

 
135.8

 
81.1

 
(1,314.8
)
 
—

Total Revenues
$
9,367.1

 
$
4,482.5

 
$
1,073.2

 
$
1,857.6

 
$
95.8

 
$
(1,314.8
)
 
$
15,561.4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Asset Impairments and Other Related Charges
$
92.9

 
$
32.5

 
$
—

 
$
31.0

 
$
—

 
$
—

 
$
156.4

Depreciation and Amortization
1,447.0

 
789.5

 
183.4

 
69.5

 
0.6

 
24.5

(b)
2,514.5

Interest Expense
568.3

 
243.3

 
103.3

 
30.0

 
193.7

 
(66.1
)
(b)
1,072.5

Income Tax Expense (Benefit)
(97.7
)
 
(25.2
)
 
136.2

 
(53.8
)
 
27.6

 
—

 
(12.9
)
Equity Earnings (Loss) of Unconsolidated Subsidiaries
3.0

 
—

 
72.8

 
(3.8
)
 
0.1

 
—

 
72.1

Net Income (Loss)
$
985.6

 
$
451.0

 
$
520.1

 
$
104.1

 
$
(141.0
)
 
$
—

 
$
1,919.8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gross Property Additions
$
2,437.4

 
$
2,074.3

 
$
1,458.9

 
$
1,005.1

 
$
14.5

 
$
(20.4
)
 
$
6,969.8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Property, Plant and Equipment
$
47,323.7

 
$
19,773.3

 
$
10,334.0

 
$
1,650.8

 
$
418.4

 
$
(354.5
)
(b)
$
79,145.7

Accumulated Depreciation and Amortization
14,580.4

 
3,911.2

 
418.9

 
99.0

 
184.5

 
(186.4
)
(b)
19,007.6

Total Property, Plant and Equipment – Net
$
32,743.3

 
$
15,862.1

 
$
9,915.1

 
$
1,551.8

 
$
233.9

 
$
(168.1
)
(b)
$
60,138.1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Assets
$
41,228.8

 
$
18,757.5

 
$
11,143.5

 
$
3,123.8

 
$
5,440.0

(c)
$
(3,801.3
)
(b) (d)
$
75,892.3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Investments in Equity Method Investees
$
41.7

 
$
2.5

 
$
787.5

 
$
459.5

 
$
65.4

 
$
—

 
$
1,356.6

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Long-term Debt Due Within One Year:
 
 
 
 
 
 
 
 
 
 
 
 
 
Affiliated
$
20.0

 
$
—

 
$
—

 
$
—

 
$
—

 
$
(20.0
)
 
$
—

Nonaffiliated
704.7

 
392.2

 
—

 
—

 
501.8

(e)
—

 
1,598.7

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Long-term Debt:
 
 
 
 
 
 
 
 
 
 
 
 
 
Affiliated
39.0

 
—

 
—

 
—

 
—

 
(39.0
)
 
—

Nonaffiliated
12,162.0

 
6,248.1

 
3,593.8

 
—

 
3,122.9

(e)
—

 
25,126.8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Long-term Debt
$
12,925.7

 
$
6,640.3

 
$
3,593.8

 
$
—

 
$
3,624.7

 
$
(59.0
)
 
$
26,725.5

 
Vertically Integrated Utilities
 
Transmission and Distribution Utilities
 
AEP Transmission Holdco
 
Generation & Marketing
 
Corporate and Other (a)
 
Reconciling Adjustments
 
Consolidated
 
(in millions)
2018
 
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from:
 
 
 
 
 
 
 
 
 
 
 
 
 
External Customers
$
9,556.7

 
$
4,552.3

 
$
248.6

 
$
1,818.1

 
$
20.0

 
$
—

 
$
16,195.7

Other Operating Segments
88.8

 
100.8

 
555.5

 
122.2

 
75.1

 
(942.4
)
 
—

Total Revenues
$
9,645.5

 
$
4,653.1

 
$
804.1

 
$
1,940.3

 
$
95.1

 
$
(942.4
)
 
$
16,195.7

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Asset Impairments and Other Related Charges
$
3.4

 
$
—

 
$
—

 
$
47.7

 
$
19.5

 
$
—

 
$
70.6

Depreciation and Amortization
1,316.2

 
734.1

 
137.8

 
41.0

 
0.4

 
57.1

(b)
2,286.6

Interest Expense
567.8

 
248.1

 
90.7

 
14.9

 
122.6

 
(59.7
)
(b)
984.4

Income Tax Expense (Benefit)
5.7

 
42.4

 
95.3

 
(49.2
)
 
21.1

 
—

 
115.3

Equity Earnings of Unconsolidated Subsidiaries
2.7

 
—

 
68.7

 
0.5

 
1.2

 
—

 
73.1

Net Income (Loss)
$
995.5

 
$
527.4

 
$
373.0

 
$
134.7

 
$
(99.3
)
 
$
—

 
$
1,931.3

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gross Property Additions
$
2,282.2

 
$
2,162.4

 
$
1,614.1

 
$
289.7

 
$
16.3

 
$
(39.2
)
 
$
6,325.5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Property, Plant and Equipment
$
45,365.1

 
$
18,126.7

 
$
8,659.5

 
$
893.3

 
$
395.2

 
$
(354.6
)
(b)
$
73,085.2

Accumulated Depreciation and Amortization
13,822.5

 
3,833.7

 
282.8

 
47.0

 
186.6

 
(186.5
)
(b)
17,986.1

Total Property, Plant and Equipment – Net
$
31,542.6

 
$
14,293.0

 
$
8,376.7

 
$
846.3

 
$
208.6

 
$
(168.1
)
(b)
$
55,099.1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Assets
$
38,874.3

 
$
17,083.4

 
$
9,543.7

 
$
1,979.7

 
$
4,036.5

(c)
$
(2,714.8
)
(b) (d)
$
68,802.8

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Investments in Equity Method Investees
$
39.6

 
$
2.9

 
$
750.9

 
$
26.7

 
$
26.1

 
$
—

 
$
846.2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Long-term Debt Due Within One Year:
 
 
 
 
 
 
 
 
 
 
 
 
 
Nonaffiliated
$
1,066.3

 
$
549.1

 
$
85.0

 
$
0.1

 
$
(2.0
)
(e)
$
—

 
$
1,698.5

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Long-term Debt:
 
 
 
 
 
 
 
 
 
 
 
 
 
Affiliated
50.0

 
—

 
—

 
32.2

 
—

 
(82.2
)
 
—

Nonaffiliated
11,442.7

 
5,048.8

 
2,888.6

 
(0.3
)
 
2,268.4

 
—

 
21,648.2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Long-term Debt
$
12,559.0

 
$
5,597.9

 
$
2,973.6

 
$
32.0

 
$
2,266.4

(e)
$
(82.2
)
 
$
23,346.7

 
Vertically Integrated Utilities
 
Transmission and Distribution Utilities
 
AEP Transmission Holdco
 
Generation & Marketing
 
Corporate and Other(a)
 
Reconciling Adjustments
 
Consolidated
 
(in millions)
2017
 
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from:
 
 
 
 
 
 
 
 
 
 
 
 
 
External Customers
$
9,095.1

 
$
4,328.9

 
$
178.4

 
$
1,771.4

 
$
51.1

 
$
—

 
$
15,424.9

Other Operating Segments
96.9

 
90.4

 
588.3

 
103.7

 
69.7

 
(949.0
)
 
—

Total Revenues
$
9,192.0

 
$
4,419.3

 
$
766.7

 
$
1,875.1

 
$
120.8

 
$
(949.0
)
 
$
15,424.9

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Asset Impairments and Other Related Charges
$
33.6

 
$
—

 
$
—

 
$
53.5

 
$
—

 
$
—

 
$
87.1

Depreciation and Amortization
1,142.5

 
667.5

 
102.2

 
24.2

 
0.3

 
60.5

(b)
1,997.2

Interest Expense
540.0

 
244.1

 
72.8

 
18.5

 
63.9

 
(44.3
)
(b)
895.0

Income Tax Expense
425.6

 
127.2

 
189.8

 
189.7

 
37.4

 
—

 
969.7

Equity Earnings (Loss) of Unconsolidated Subsidiaries
$
(3.8
)
 
$
—

 
$
88.6

 
$
—

 
$
(2.4
)
 
$
—

 
$
82.4

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net Income (Loss)
$
803.3

 
$
636.4

 
$
355.6

 
$
166.0

 
$
(32.4
)
 
$
—

 
$
1,928.9

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gross Property Additions
$
2,343.2

 
$
1,558.4

 
$
1,542.8

 
$
328.5

 
$
15.6

 
$
(90.4
)
 
$
5,698.1

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Assets
$
37,579.7

 
$
16,060.7

 
$
8,141.8

 
$
2,009.8

 
$
3,959.1

(c)
$
(3,022.0
)
(b) (d)
$
64,729.1


(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)
Includes eliminations due to an intercompany finance lease.
(c)
Includes elimination of AEP Parent’s investments in wholly-owned subsidiary companies.
(d)
Reconciling Adjustments for Total Assets primarily include elimination of intercompany advances to affiliates and intercompany accounts receivable.
(e)
Amounts reflect the impact of fair value hedge accounting. See “Accounting for Fair Value Hedging Strategies” section of Note 10 for additional information.

Registrant Subsidiaries’ Reportable Segments (Applies to all Registrant Subsidiaries except AEPTCo)

The Registrant Subsidiaries each have one reportable segment, an integrated electricity generation, transmission and distribution business for APCo, I&M, PSO and SWEPCo, and an integrated electricity transmission and distribution business for AEP Texas and OPCo.  Other activities are insignificant.  The Registrant Subsidiaries’ operations are managed on an integrated basis because of the substantial impact of cost-based rates and regulatory oversight on the business process, cost structures and operating results.

AEPTCo’s Reportable Segments

AEPTCo Parent is the holding company of seven FERC-regulated transmission-only electric utilities. The seven State Transcos have been identified as operating segments of AEPTCo under the accounting guidance for “Segment Reporting.” The State Transcos business consists of developing, constructing and operating transmission facilities at the request of the RTOs in which they operate and in replacing and upgrading facilities, assets and components of the existing AEP transmission system as needed to maintain reliability standards and provide service to AEP’s wholesale and retail customers. The State Transcos are regulated for rate-making purposes exclusively by the FERC and earn revenues through tariff rates charged for the use of their electric transmission systems.

AEPTCo’s Chief Operating Decision Maker makes operating decisions, allocates resources to and assesses performance based on these operating segments. The seven State Transcos operating segments all have similar economic characteristics and meet all of the criteria under the accounting guidance for “Segment Reporting” to be aggregated into one operating segment. As a result, AEPTCo has one reportable segment. The remainder of AEPTCo’s activity is presented in AEPTCo Parent. While not considered a reportable segment, AEPTCo Parent represents the activity of the holding company which primarily relates to debt financing activity and general corporate activities.

The tables below present AEPTCo’s reportable segment income statement information for the years ended December 31, 2019, 2018 and 2017 and reportable segment balance sheet information as of December 31, 2019 and 2018.
 
State Transcos
 
AEPTCo Parent
 
Reconciling Adjustments
 
AEPTCo
Consolidated
2019
(in millions)
Revenues from:
 
 
 
 
 
 
 
External Customers
$
214.6

 
$
—

 
$
—

 
$
214.6

Sales to AEP Affiliates
806.7

 
—

 
—

 
806.7

Other Revenues
0.1

 
—

 
—

 
0.1

Total Revenues
$
1,021.4

 
$
—

 
$
—

 
$
1,021.4

 
 
 
 
 
 
 
 
Depreciation and Amortization
$
176.0

 
$
—

 
$
—

 
$
176.0

Interest Income
1.3

 
123.8

 
(122.1
)
(a)
3.0

Allowance for Equity Funds Used During Construction
84.3

 
—

 
—

 
84.3

Interest Expense
97.4

 
122.1

 
(122.1
)
(a)
97.4

Income Tax Expense
117.1

 
0.3

 
—

 
117.4

 
 
 
 
 
 
 
 
Net Income
$
438.6

 
$
1.1

(b)
$
—

 
$
439.7

 
 
 
 
 
 
 
 
Gross Property Additions
$
1,419.5

 
$
—

 
$
—

 
$
1,419.5

 
 
 
 
 
 
 
 
Total Transmission Property
$
9,893.2

 
$
—

 
$
—

 
$
9,893.2

Accumulated Depreciation and Amortization
402.3

 
—

 
—

 
402.3

Total Transmission Property - Net
$
9,490.9

 
$
—

 
$
—

 
$
9,490.9

 
 
 
 
 
 
 
 
Notes Receivable - Affiliated
$
—

 
$
3,427.3

 
$
(3,427.3
)
(c)
$
—

 
 
 
 
 
 
 
 
Total Assets
$
9,865.0

 
$
3,519.1

(d)
$
(3,493.3
)
(e)
$
9,890.8

 
 
 
 
 
 
 
 
Total Long-Term Debt
$
3,465.0

 
$
3,427.3

 
$
(3,465.0
)
(c)
$
3,427.3

 
State Transcos
 
AEPTCo Parent
 
Reconciling Adjustments
 
AEPTCo
Consolidated
2018
(in millions)
Revenues from:
 
 
 
 
 
 
 
External Customers
$
177.0

 
$
—

 
$
—

 
$
177.0

Sales to AEP Affiliates
598.9

 
—

 
—

 
598.9

Other Revenues
0.2

 
—

 
—

 
0.2

Total Revenues
$
776.1

 
$
—

 
$
—

 
$
776.1

 
 
 
 
 
 
 
 
Depreciation and Amortization
$
133.9

 
$
—

 
$
—

 
$
133.9

Interest Income
1.3

 
104.6

 
(103.4
)
(a)
2.5

Allowance for Equity Funds Used During Construction
70.6

 
—

 
—

 
70.6

Interest Expense
83.2

 
103.4

 
(103.4
)
(a)
83.2

Income Tax Expense
83.9

 
0.2

 
—

 
84.1

 
 
 
 
 
 
 
 
Net Income
$
314.9

 
$
1.0

(b)
$
—

 
$
315.9

 
 
 
 
 
 
 
 
Gross Property Additions
$
1,570.8

 
$
—

 
$
—

 
$
1,570.8

 
 
 
 
 
 
 
 
Total Transmission Property
$
8,268.1

 
$
—

 
$
—

 
$
8,268.1

Accumulated Depreciation and Amortization
271.9

 
—

 
—

 
271.9

Total Transmission Property - Net
$
7,996.2

 
$
—

 
$
—

 
$
7,996.2

 
 
 
 
 
 
 
 
Notes Receivable - Affiliated
$
—

 
$
2,823.0

 
$
(2,823.0
)
(c)
$
—

 
 
 
 
 
 
 
 
Total Assets
$
8,406.8

 
$
2,857.1

(d)
$
(2,869.8
)
(e)
$
8,394.1

 
 
 
 
 
 
 
 
Total Long-Term Debt
$
2,850.0

 
$
2,823.0

 
$
(2,850.0
)
(c)
$
2,823.0

`

 
State Transcos
 
AEPTCo Parent
 
Reconciling Adjustments
 
AEPTCo
Consolidated
2017
(in millions)
Revenues from:
 
 
 
 
 
 
 
External Customers
$
138.0

 
$
—

 
$
—

 
$
138.0

Sales to AEP Affiliates
568.1

 
—

 
—

 
568.1

Other
0.8

 
—

 
—

 
0.8

Total Revenues
$
706.9

 
$
—

 
$
—

 
$
706.9

 
 
 
 
 
 
 
 
Depreciation and Amortization
$
95.7

 
$
—

 
$
—

 
$
95.7

Interest Income
0.7

 
82.9

 
(82.4
)
(a)
1.2

Allowance for Equity Funds Used During Construction
49.0

 
—

 
—

 
49.0

Interest Expense
70.2

 
82.4

 
(82.4
)
(a)
70.2

Income Tax Expense (Benefit)
142.0

 
0.2

 
—

 
142.2

 
 
 
 
 
 
 
 
Net Income (Loss)
$
270.4

 
$
0.3

(b)
$
—

 
$
270.7

 
 
 
 
 
 
 
 
Gross Property Additions
$
1,522.5

 
$
—

 
$
—

 
$
1,522.5

 
 
 
 
 
 
 
 
Total Assets
$
7,086.9

 
$
2,590.1

(d)
$
(2,594.9
)
(e)
$
7,082.1


(a)
Elimination of intercompany interest income/interest expense on affiliated debt arrangement.
(b)
Includes elimination of AEPTCo Parent’s equity earnings in the State Transcos.
(c)
Elimination of intercompany debt.
(d)
Includes elimination of AEPTCo Parent’s investments in the State Transcos.
(e)
Primarily relates to elimination of Notes Receivable from the State Transcos.