Commitments, Guarantees and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Contractual Commitments

Contractual Commitments - AEP	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Fuel Purchase Contracts (a)	$	1,067.6	$	1,019.5	$	544.9	$	221.6	$	2,853.6
Energy and Capacity Purchase Contracts	230.1		456.1		378.0		1,467.3		2,531.5
Total	$	1,297.7	$	1,475.6	$	922.9	$	1,688.9	$	5,385.1

Contractual Commitments - APCo	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Fuel Purchase Contracts (a)	$	369.1	$	364.4	$	165.2	$	0.9	$	899.6
Energy and Capacity Purchase Contracts	36.0		72.3		72.9		354.9		536.1
Total	$	405.1	$	436.7	$	238.1	$	355.8	$	1,435.7

Contractual Commitments - I&M	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Fuel Purchase Contracts (a)	$	236.9	$	269.4	$	204.6	$	166.6	$	877.5
Energy and Capacity Purchase Contracts	125.4		255.9		259.9		352.4		993.6
Total	$	362.3	$	525.3	$	464.5	$	519.0	$	1,871.1

Contractual Commitments - OPCo	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Energy and Capacity Purchase Contracts	$	29.9	$	59.3	$	58.4	$	363.7	$	511.3

Contractual Commitments - PSO	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Fuel Purchase Contracts (a)	$	45.9	$	71.7	$	30.5	$	—	$	148.1
Energy and Capacity Purchase Contracts	91.5		181.5		127.8		236.8		637.6
Total	$	137.4	$	253.2	$	158.3	$	236.8	$	785.7

Contractual Commitments - SWEPCo	Less Than 1 Year		2-3 Years		4-5 Years		After 5 Years		Total
	(in millions)
Fuel Purchase Contracts (a)	$	111.7	$	85.8	$	55.4	$	—	$	252.9
Energy and Capacity Purchase Contracts	33.0		67.3		53.4		151.0		304.7
Total	$	144.7	$	153.1	$	108.8	$	151.0	$	557.6

(a) Represents contractual commitments to purchase coal, natural gas, uranium and other consumables as fuel for electric generation along with related transportation of the fuel.

Maximum Future Payments for Letters of Credit Uncommitted Facilities

Company	Amount		Maturity
	(in millions)
AEP	$	103.5	January 2018 to December 2018
AEP Texas	2.8		January 2018
OPCo	0.6		September 2018