Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Commitments [Line Items]

Estimated minimum long-term purchase commitments

Estimated total obligations under these commitments at December 31, 2016 were as follows:

	Operating Leases (*)		Other
	(in millions)
2017	$	242	$	8
2018	246		7
2019	249		6
2020	246		5
2021	249		5
2022 and thereafter	1,041		43
Total	$	2,273	$	74

(*) A total of $197 million of biomass PPAs included under operating leases is contingent upon the counterparties meeting specified contract dates for commercial operation. Subsequent to December 31, 2016, the specified contract dates for commercial operation were extended from 2017 to 2019 and may change further as a result of regulatory action.

Estimated minimum lease payments under operating leases

As of December 31, 2016, estimated minimum lease payments under operating leases were as follows:

	Minimum Lease Payments
	Barges & Railcars		Other		Total
	(in millions)
2017	$	31	$	121	$	152
2018	19		115		134
2019	10		103		113
2020	10		90		100
2021	8		82		90
2022 and thereafter	11		1,184		1,195
Total	$	89	$	1,695	$	1,784

Expected future contractual obligations

Expected future contractual obligations for pipeline charges, storage capacity, and gas supply that are not recognized on the balance sheets as of December 31, 2016 were as follows:

	Pipeline Charges, Storage Capacity, and Gas Supply
	(in millions)
2017	$	822
2018	602
2019	447
2020	394
2021	352
2022 and thereafter	2,591
Total	$	5,208

Alabama Power [Member]

Commitments [Line Items]

Estimated minimum long-term purchase commitments

Total estimated minimum long-term obligations at December 31, 2016 were as follows:

	Operating Lease PPAs
	(in millions)
2017	$	40
2018	41
2019	43
2020	44
2021	46
2022	47
Total commitments	$	261

Estimated minimum lease payments under operating leases

As of December 31, 2016, estimated minimum lease payments under operating leases were as follows:

	Minimum Lease Payments
	Railcars		Vehicles & Other		Total
	(in millions)
2017	$	10	$	4	$	14
2018	7		3		10
2019	7		3		10
2020	6		2		8
2021	6		2		8
2022 and thereafter	9		1		10
Total	$	45	$	15	$	60

Georgia Power [Member]

Commitments [Line Items]

Estimated long-term obligations

Estimated total long-term obligations at December 31, 2016 were as follows:

	Affiliate Capital Leases		Affiliate Operating Leases		Non-Affiliate Operating Leases(c)		Vogtle Units 1 and 2 Capacity Payments		Total
	(in millions)
2017	$	22	$	72	$	123	$	8	$	225
2018	22		63		126		7		218
2019	23		64		127		6		220
2020	23		65		123		5		216
2021	24		66		124		5		219
2022 and thereafter	204		479		882		43		1,608
Total	$	318	$	809	$	1,505	$	74	$	2,706
Less: amounts representing executory costs(a)	48
Net minimum lease payments	270
Less: amounts representing interest(b)	128
Present value of net minimum lease payments	$	142

(a) Executory costs such as taxes, maintenance, and insurance (including the estimated profit thereon) are estimated and included in total minimum lease payments.

(b) Calculated using an adjusted incremental borrowing rate to reduce the present value of the net minimum lease payments to fair value.

(c) A total of $197 million of biomass PPAs included under the non-affiliate operating leases is contingent upon the counterparties meeting specified contract dates for commercial operation. Subsequent to December 31, 2016, the specified contract dates for commercial operation were extended from 2017 to 2019 and may change further as a result of regulatory action.

Estimated minimum lease payments under operating leases

As of December 31, 2016, estimated minimum lease payments under operating leases were as follows:

	Minimum Lease Payments
	Railcars		Other		Total
	(in millions)
2017	$	12	$	7	$	19
2018	6		7		13
2019	3		6		9
2020	3		6		9
2021	2		6		8
2022 and thereafter	2		13		15
Total	$	28	$	45	$	73

Gulf Power [Member]

Commitments [Line Items]

Estimated minimum long-term purchase commitments

Estimated total minimum long-term commitments at December 31, 2016 were as follows:

	Operating Lease PPA
	(in millions)
2017	$	79
2018	79
2019	79
2020	79
2021	79
2022 and thereafter	112
Total	$	507

Estimated minimum lease payments under operating leases

Estimated total minimum lease payments under these operating leases at December 31, 2016 were as follows:

	Minimum Lease Payments
	Barges & Railcars		Other		Total
	(in millions)
2017	$	7	$	1	$	8
2018	5		1		6
2019	—		1		1
2020	—		—		—
2021	—		—		—
2022 and thereafter	—		1		1
Total	$	12	$	4	$	16

Southern Company Gas [Member]

Commitments [Line Items]

Estimated minimum lease payments under operating leases

As of December 31, 2016, the Company's estimated minimum lease payments under operating leases were as follows:

	Minimum Lease Payments
	(in millions)
2017	$	18
2018	17
2019	16
2020	15
2021	15
2022 and thereafter	38
Total	$	119

Expected future contractual obligations

Expected future contractual obligations for pipeline charges, storage capacity, and gas supply that are not recognized on the balance sheets as of December 31, 2016 were as follows:

	Pipeline Charges, Storage Capacity, and Gas Supply
	(in millions)
2017	$	822
2018	602
2019	447
2020	394
2021	352
2022 and thereafter	2,591
Total	$	5,208