Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2019

Regulated Operations [Abstract]

Cost Recovery Clauses

The recovery balances for certain of Alabama Power's, Georgia Power's, and Mississippi Power's regulatory clauses at September 30, 2019 and December 31, 2018 were as follows:

Regulatory Clause	Balance Sheet Line Item	September 30, 2019		December 31, 2018
		(in millions)
Alabama Power
Rate CNP Compliance	Deferred under recovered regulatory clause revenues	$	—	$	42
	Other regulatory liabilities, deferred	55		—
Rate CNP PPA	Deferred under recovered regulatory clause revenues	45		25
Retail Energy Cost Recovery(*)	Deferred under recovered regulatory clause revenues	—		109
	Other regulatory liabilities, deferred	21		—
Natural Disaster Reserve	Other regulatory liabilities, deferred	23		20
Georgia Power
Fuel Cost Recovery	Receivables – under recovered fuel clause revenues	$	—	$	115
	Other deferred credits and liabilities	1		—
Mississippi Power
Fuel Cost Recovery	Over recovered regulatory clause liabilities	$	18	$	8

(*)

In accordance with an accounting order issued on February 5, 2019 by the Alabama PSC, Alabama Power utilized $75 million of the 2018 Rate RSE refund liability to reduce the Rate ECR under recovered balance. See Note 2 to the financial statements under "Alabama Power – Rate ECR" in Item 8 of the Form 10-K for additional information.

Requested Recovery of Proposed Increases

Georgia Power has requested recovery of the proposed increases through its existing base rate tariffs as follows:

Tariff	2020		2021		2022
	(in millions)
Traditional base:
Levelized	$	210	$	—	$	—
CCR AROs	158		139		227
Environmental Compliance Cost Recovery	163		—		—
Demand-Side Management	12		1		1
Municipal Franchise Fee	17		3		5
Total(*)	$	560	$	144	$	233

(*)

Totals may not add due to rounding.

Cost and Schedule

Georgia Power's approximate proportionate share of the remaining estimated capital cost to complete Plant Vogtle Units 3 and 4 by the expected in-service dates of November 2021 and November 2022, respectively, is as follows:

	(in billions)
Base project capital cost forecast(a)(b)	$	8.0
Construction contingency estimate	0.4
Total project capital cost forecast(a)(b)	8.4
Net investment as of September 30, 2019(b)	(5.5		)
Remaining estimate to complete(a)	$	2.9

(a) Excludes financing costs expected to be capitalized through AFUDC of approximately $300 million.

(b)

Net of $1.7 billion received from Toshiba under the Guarantee Settlement Agreement and approximately $188 million in related Customer Refunds.