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Derivatives and Hedging (Tables)

12 Months Ended

Dec. 31, 2020

Notional Volume of Derivative Instruments


		December 31, 2020
Primary Risk Exposure	Unit of Measure	AEP		AEP Texas		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	331.3		—		46.9		19.7		3.0		11.9		4.0

Natural Gas	MMBtus	26.9		—		—		—		—		—		7.9
Heating Oil and Gasoline	Gallons	6.9		1.8		1.1		0.6		1.4		0.7		0.9
Interest Rate	USD	$	129.8	$	—	$	—	$	—	$	—	$	—	$	—

Interest Rate on Long-term Debt	USD	$	1,150.0	$	—	$	200.0	$	—	$	—	$	—	$	—


		December 31, 2019
Primary Risk Exposure	Unit of Measure	AEP		AEP Texas		APCo		I&M		OPCo		PSO		SWEPCo
		(in millions)
Commodity:
Power	MWhs	365.9		—		61.0		26.8		7.1		14.9		4.4

Natural Gas	MMBtus	40.7		—		—		—		—		—		11.6
Heating Oil and Gasoline	Gallons	6.9		1.8		1.1		0.6		1.4		0.7		0.9
Interest Rate	USD	$	140.1	$	—	$	—	$	—	$	—	$	—	$	—

Interest Rate on Long-term Debt	USD	$	625.0	$	—	$	—	$	—	$	—	$	—	$	—

Fair Value of Derivative Instruments

AEP


	December 31, 2020
	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)		Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate (a)
	(in millions)
Current Risk Management Assets	$	239.1	$	21.1	$	5.0	$	265.2	$	(170.5)	$	94.7
Long-term Risk Management Assets	275.9		18.0		—		293.9		(51.7)		242.2
Total Assets	515.0		39.1		5.0		559.1		(222.2)		336.9

Current Risk Management Liabilities	193.0		54.4		3.4		250.8		(172.0)		78.8
Long-term Risk Management Liabilities	222.2		60.1		4.1		286.4		(53.6)		232.8
Total Liabilities	415.2		114.5		7.5		537.2		(225.6)		311.6

Total MTM Derivative Contract Net Assets (Liabilities)	$	99.8	$	(75.4)	$	(2.5)	$	21.9	$	3.4	$	25.3


	December 31, 2019
	Risk Management Contracts		Hedging Contracts				Gross Amounts of Risk Management Assets/ Liabilities Recognized		Gross Amounts Offset in the Statement of Financial Position (b)		Net Amounts of Assets/Liabilities Presented in the Statement of Financial Position (c)
Balance Sheet Location	Commodity (a)		Commodity (a)		Interest Rate (a)
	(in millions)
Current Risk Management Assets	$	513.9	$	11.5	$	6.5	$	531.9	$	(359.1)	$	172.8
Long-term Risk Management Assets	290.8		11.0		12.6		314.4		(47.8)		266.6
Total Assets	804.7		22.5		19.1		846.3		(406.9)		439.4

Current Risk Management Liabilities	424.5		72.3		—		496.8		(382.5)		114.3
Long-term Risk Management Liabilities	244.5		75.7		—		320.2		(58.4)		261.8
Total Liabilities	669.0		148.0		—		817.0		(440.9)		376.1

Total MTM Derivative Contract Net Assets (Liabilities)	$	135.7	$	(125.5)	$	19.1	$	29.3	$	34.0	$	63.3

AEP Texas


	December 31, 2020
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	0.4	$	(0.4)	$	—
Long-term Risk Management Assets	—		—		—
Total Assets	0.4		(0.4)		—

Current Risk Management Liabilities	—		—		—
Long-term Risk Management Liabilities	—		—		—
Total Liabilities	—		—		—

Total MTM Derivative Net Assets (Liabilities)	$	0.4	$	(0.4)	$	—

December 31, 2019

Risk Management

Gross Amounts Offset

Net Amounts of Assets/Liabilities

Contracts -

in the Statement of

Presented in the Statement

Balance Sheet Location

Commodity (a)

Financial Position (b)

of Financial Position (c)

(in millions)

Current Risk Management Assets

—

Long-term Risk Management Assets

—

Total Assets

—

Current Risk Management Liabilities

—

Long-term Risk Management Liabilities

—

Total Liabilities

—

Total MTM Derivative Contract Net Assets

—

APCo


	December 31, 2020
	Risk				Gross Amounts of Risk		Gross Amounts		Net Amounts of Assets/
	Management		Hedging		Management		Offset in the		Liabilities Presented in
	Contracts -		Contracts -		Assets/Liabilities		Statement of		the Statement of
Balance Sheet Location	Commodity (a)		Interest Rate (a)		Recognized		Financial Position (b)		Financial Position (c)
	(in millions)
Current Risk Management Assets	$	38.8	$	2.4	$	41.2	$	(18.8)	$	22.4
Deferred Charges and Other Noncurrent Assets - Long-term Risk Management Assets	0.7		—		0.7		(0.6)		0.1
Total Assets	39.5		2.4		41.9		(19.4)		22.5

Current Risk Management Liabilities	19.7		3.4		23.1		(18.5)		4.6
Deferred Credits and Other Noncurrent Liabilities - Long-term Risk Management Liabilities	0.6		—		0.6		(0.5)		0.1
Total Liabilities	20.3		3.4		23.7		(19.0)		4.7

Total MTM Derivative Contract Net Assets (Liabilities)	$	19.2	$	(1.0)	$	18.2	$	(0.4)	$	17.8


	December 31, 2019
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	124.4	$	(85.0)	$	39.4
Deferred Charges and Other Noncurrent Assets - Long-term Risk Management Assets	0.9		(0.8)		0.1
Total Assets	125.3		(85.8)		39.5

Current Risk Management Liabilities	86.2		(84.3)		1.9
Deferred Credits and Other Noncurrent Liabilities - Long-term Risk Management Liabilities	0.7		(0.7)		—
Total Liabilities	86.9		(85.0)		1.9

Total MTM Derivative Contract Net Assets (Liabilities)	$	38.4	$	(0.8)	$	37.6

I&M


	December 31, 2020
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	17.2	$	(13.6)	$	3.6
Deferred Charges and Other Noncurrent Assets - Long-term Risk Management Assets	0.5		(0.4)		0.1
Total Assets	17.7		(14.0)		3.7

Other Current Liabilities - Current Risk Management Liabilities	12.1		(12.0)		0.1
Deferred Credits and Other Noncurrent Liabilities - Long-term Risk Management Liabilities	0.4		(0.3)		0.1
Total Liabilities	12.5		(12.3)		0.2

Total MTM Derivative Contract Net Assets (Liabilities)	$	5.2	$	(1.7)	$	3.5


	December 31, 2019
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	66.9	$	(57.1)	$	9.8
Deferred Charges and Other Noncurrent Assets - Long-term Risk Management Assets	0.5		(0.4)		0.1
Total Assets	67.4		(57.5)		9.9

Other Current Liabilities - Current Risk Management Liabilities	55.2		(54.7)		0.5
Deferred Credits and Other Noncurrent Liabilities - Long-term Risk Management Liabilities	0.4		(0.4)		—
Total Liabilities	55.6		(55.1)		0.5

Total MTM Derivative Contract Net Assets (Liabilities)	$	11.8	$	(2.4)	$	9.4

OPCo


	December 31, 2020
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	0.3	$	(0.3)	$	—
Long-term Risk Management Assets	—		—		—
Total Assets	0.3		(0.3)		—

Current Risk Management Liabilities	8.7		—		8.7
Long-term Risk Management Liabilities	101.6		—		101.6
Total Liabilities	110.3		—		110.3

Total MTM Derivative Contract Net Liabilities	$	(110.0)	$	(0.3)	$	(110.3)


	December 31, 2019
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	—	$	—	$	—
Long-term Risk Management Assets	—		—		—
Total Assets	—		—		—

Current Risk Management Liabilities	7.3		—		7.3
Long-term Risk Management Liabilities	96.3		—		96.3
Total Liabilities	103.6		—		103.6

Total MTM Derivative Contract Net Liabilities	$	(103.6)	$	—	$	(103.6)

PSO


	December 31, 2020
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	10.5	$	(0.2)	$	10.3
Long-term Risk Management Assets	—		—		—
Total Assets	10.5		(0.2)		10.3

Current Risk Management Liabilities	—		—		—
Long-term Risk Management Liabilities	—		—		—
Total Liabilities	—		—		—

Total MTM Derivative Net Assets (Liabilities)	$	10.5	$	(0.2)	$	10.3


	December 31, 2019
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	16.3	$	(0.5)	$	15.8
Long-term Risk Management Assets	—		—		—
Total Assets	16.3		(0.5)		15.8

Current Risk Management Liabilities	0.5		(0.5)		—
Long-term Risk Management Liabilities	—		—		—
Total Liabilities	0.5		(0.5)		—

Total MTM Derivative Contract Net Assets	$	15.8	$	—	$	15.8

SWEPCo


	December 31, 2020
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	3.4	$	(0.2)	$	3.2
Long-term Risk Management Assets	—		—		—
Total Assets	3.4		(0.2)		3.2

Current Risk Management Liabilities	0.7		—		0.7
Long-term Risk Management Liabilities	1.0		—		1.0
Total Liabilities	1.7		—		1.7

Total MTM Derivative Net Assets (Liabilities)	$	1.7	$	(0.2)	$	1.5


	December 31, 2019
	Risk Management		Gross Amounts Offset		Net Amounts of Assets/Liabilities
	Contracts -		in the Statement of		Presented in the Statement
Balance Sheet Location	Commodity (a)		Financial Position (b)		of Financial Position (c)
	(in millions)
Current Risk Management Assets	$	6.5	$	(0.1)	$	6.4
Long-term Risk Management Assets	—		—		—
Total Assets	6.5		(0.1)		6.4

Current Risk Management Liabilities	2.0		(0.1)		1.9
Long-term Risk Management Liabilities	3.1		—		3.1
Total Liabilities	5.1		(0.1)		5.0

Total MTM Derivative Contract Net Assets	$	1.4	$	—	$	1.4

(a)Derivative instruments within these categories are reported gross. These instruments are subject to master netting agreements and are presented on the balance sheets on a net basis in accordance with the accounting guidance for “Derivatives and Hedging.”

(b)Amounts include counterparty netting of risk management and hedging contracts and associated cash collateral in accordance with the accounting guidance for “Derivatives and Hedging.”

(c)All derivative contracts subject to a master netting arrangement or similar agreement are offset in the statement of financial position.

Amount of Gain (Loss) Recognized on Risk Management Contracts


	Year Ended December 31, 2020
Location of Gain (Loss)	AEP		AEP Texas		APCo		I&M		OPCo		PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	0.8	$	—	$	—	$	—	$	—	$	—	$	—

Generation & Marketing Revenues	9.5		—		—		—		—		—		—
Electric Generation, Transmission and Distribution Revenues	—		—		0.4		0.1		—		—		0.1


Purchased Electricity for Resale	1.4		—		1.2		0.1		—		—		—
Other Operation	(2.0)		(0.6)		(0.2)		(0.2)		(0.3)		(0.2)		(0.3)
Maintenance	(2.9)		(0.8)		(0.4)		(0.3)		(0.5)		(0.3)		(0.4)
Regulatory Assets (a)	(4.8)		—		—		(0.1)		(6.6)		—		1.4
Regulatory Liabilities (a)	114.9		0.4		20.3		12.4		12.4		39.1		20.2
Total Gain (Loss) on Risk Management Contracts	$	116.9	$	(1.0)	$	21.3	$	12.0	$	5.0	$	38.6	$	21.0


	Year Ended December 31, 2019
Location of Gain (Loss)	AEP		AEP Texas		APCo		I&M		OPCo		PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	0.7	$	—	$	—	$	—	$	—	$	—	$	—

Generation & Marketing Revenues	25.1		—		—		—		—		—		—
Electric Generation, Transmission and Distribution Revenues	—		—		0.1		0.5		—		—		0.1


Purchased Electricity for Resale	1.9		—		1.6		0.1		—		—		—
Other Operation	(0.8)		(0.2)		(0.1)		(0.1)		(0.2)		(0.1)		(0.1)
Maintenance	(0.8)		(0.2)		(0.2)		(0.1)		(0.2)		(0.1)		(0.1)
Regulatory Assets (a)	(3.7)		0.7		0.3		0.3		(3.7)		1.2		(1.5)
Regulatory Liabilities (a)	102.6		—		2.4		24.5		10.1		34.6		26.6
Total Gain on Risk Management Contracts	$	125.0	$	0.3	$	4.1	$	25.2	$	6.0	$	35.6	$	25.0


	Year Ended December 31, 2018
Location of Gain (Loss)	AEP		AEP Texas		APCo		I&M		OPCo		PSO		SWEPCo
	(in millions)
Vertically Integrated Utilities Revenues	$	(10.4)	$	—	$	—	$	—	$	—	$	—	$	—

Generation & Marketing Revenues	38.9		—		—		—		—		—		—
Electric Generation, Transmission and Distribution Revenues	—		—		(1.9)		(8.2)		—		—		0.1

Purchased Electricity for Resale	8.6		—		7.6		0.8		—		—		—
Other Operation	1.7		0.4		0.2		0.2		0.3		0.2		0.2
Maintenance	1.9		0.4		0.4		0.2		0.4		0.2		0.2
Regulatory Assets (a)	27.9		(0.7)		(0.7)		7.1		24.9		(1.1)		(1.2)
Regulatory Liabilities (a)	222.7		(0.5)		135.5		11.6		—		37.3		11.9
Total Gain (Loss) on Risk Management Contracts	$	291.3	$	(0.4)	$	141.1	$	11.7	$	25.6	$	36.6	$	11.2

(a)Represents realized and unrealized gains and losses subject to regulatory accounting treatment recorded as either current or noncurrent on the balance sheets.

Impact of Fair Value Hedges on Balance Sheet


	Carrying Amount of the Hedged Assets/(Liabilities)				Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
	December 31, 2020		December 31, 2019		December 31, 2020		December 31, 2019
	(in millions)
Long-term Debt (a) (b)	$	(995.9)	$	(510.8)	$	(51.7)	$	(14.5)

(a)Amounts included on the balance sheets within Long-term Debt Due within One Year and Long-term Debt, respectively.

(b)Amounts include $(53) million and $0 as of December 31, 2020 and 2019, respectively, for the fair value hedge adjustment of hedged debt obligations for which hedge accounting has been discontinued.

Gain (Loss) on Hedging Instruments


	Years Ended December 31,
	2020		2019		2018
	(in millions)
Gain (Loss) on Interest Rate Contracts:
Fair Value Hedging Instruments (a)	$	41.1	$	31.9	$	(11.3)
Fair Value Portion of Long-term Debt (a)	(41.1)		(31.9)		11.3

(a)Gain (Loss) is included in Interest Expense on the statements of income.

Impact of Cash Flow Hedges on the Balance Sheet

Impact of Cash Flow Hedges on AEP’s Balance Sheets


	December 31, 2020				December 31, 2019
	Commodity		Interest Rate		Commodity		Interest Rate
	(in millions)
AOCI Gain (Loss) Net of Tax	$	(60.6)	$	(47.5)	$	(103.5)	$	(11.5)
Portion Expected to be Reclassed to Net Income During the Next Twelve Months	(27.1)		(5.7)		(51.7)		(2.1)

Impact of Cash Flow Hedges on the Registrant Subsidiaries’ Balance Sheets


	December 31, 2020				December 31, 2019
	Interest Rate
			Expected to be				Expected to be
			Reclassified to				Reclassified to
			Net Income During				Net Income During
	AOCI Gain (Loss)		the Next		AOCI Gain (Loss)		the Next
Company	Net of Tax		Twelve Months		Net of Tax		Twelve Months
	(in millions)
AEP Texas	$	(2.3)	$	(1.1)	$	(3.4)	$	(1.1)
APCo	(0.8)		0.4		0.9		0.9
I&M	(8.3)		(1.6)		(9.9)		(1.6)

PSO	0.1		0.1		1.1		1.0
SWEPCo	(0.3)		(1.5)		(1.8)		(1.5)

Liabilities Subject to Cross Default Provisions


	December 31, 2020
	Liabilities for				Additional
	Contracts with Cross				Settlement
	Default Provisions				Liability if Cross
	Prior to Contractual		Amount of Cash		Default Provision
Company	Netting Arrangements		Collateral Posted		is Triggered
	(in millions)
AEP	$	188.4	$	—	$	169.2
APCo	4.3		—		3.5
I&M	0.5		—		0.1
SWEPCo	1.8		—		1.8


	December 31, 2019
	Liabilities for				Additional
	Contracts with Cross				Settlement
	Default Provisions				Liability if Cross
	Prior to Contractual		Amount of Cash		Default Provision
Company	Netting Arrangements		Collateral Posted		is Triggered
	(in millions)
AEP	$	267.3	$	3.7	$	246.7
APCo	2.3		—		0.4
I&M	1.3		—		0.2
SWEPCo	5.1		—		5.1