Contingencies and Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Revised Cost and Schedule

	Cancellation Cost Estimate
	(in billions)
CWIP as of September 30, 2017	$	4.6
Financing costs collected, net of tax	1.5
Cancellation costs(*)	0.4
Guarantee Obligations	(1.7		)
Estimated net cancellation cost	$	4.8

(*) The estimate for cancellation costs includes, but is not limited to, costs to terminate contracts for construction and other services, as well as costs to secure the Plant Vogtle Units 3 and 4 construction site.

Georgia Power's approximate proportionate share of the remaining estimated cost to complete Plant Vogtle Units 3 and 4 is as follows:

	(in billions)
Estimated cost to complete	$	4.2
CWIP as of September 30, 2017	4.6
Guarantee Obligations	(1.7		)
Estimated capital costs	$	7.1
Vogtle Cost Settlement Agreement Revised Forecast	(5.7		)
Estimated net additional capital costs	$	1.4

Recovery Balance of Each Regulatory Clause

The balance of each regulatory clause recovery on the balance sheet follows:

Regulatory Clause	Balance Sheet Line Item	September 30, 2017		December 31, 2016
		(in millions)
Rate CNP Compliance	Deferred over recovered regulatory clause revenues	$	9	$	—
Rate CNP Compliance(*)	Deferred under recovered regulatory clause revenues	—		9
Rate CNP PPA	Deferred under recovered regulatory clause revenues	17		142
Retail Energy Cost Recovery(*)	Other regulatory liabilities, current	—		76
Natural Disaster Reserve	Other regulatory liabilities, deferred	51		69

(*) In accordance with an accounting order issued on February 17, 2017 by the Alabama PSC, Alabama Power reclassified $36 million of its under recovered balance for Rate CNP Compliance and $11 million of its under recovered balance for Retail Energy Cost Recovery to a deferred regulatory asset account.

The balance of each regulatory clause recovery on the balance sheet follows:

Regulatory Clause	Balance Sheet Line Item	September 30, 2017		December 31, 2016
		(in millions)
Fuel Cost Recovery	Under recovered regulatory clause revenues	$	13	$	—
Fuel Cost Recovery	Other regulatory liabilities, current	—		15
Purchased Power Capacity Recovery	Under recovered regulatory clause revenues	1		—
Environmental Cost Recovery	Other regulatory liabilities, current	1		—
Environmental Cost Recovery	Under recovered regulatory clause revenues	—		13
Energy Conservation Cost Recovery	Under recovered regulatory clause revenues	1		4