SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Weighted Average Number of Shares [Table Text Block]



In Millions	2012	2011	2010
Weighted Average Shares Outstanding—Basic	131.1	128.8	125.7
Net effect of equity forward contracts	2.2	1.4	0.6
Weighted Average Shares Outstanding—Diluted	133.3	130.2	126.3

Schedule of weighted avg depreciation rates [Table Text Block]



	2012		2011		2010
SCE&G	2.93	%	2.92	%	2.83	%
GENCO	2.66	%	2.69	%	2.66	%
CGT	2.09	%	2.00	%	1.94	%
PSNC Energy	3.01	%	3.05	%	3.11	%
Aggregate of Above	2.90	%	2.90	%	2.85	%

Schedule of Jointly Owned Utility Plants [Table Text Block]



	Unit 1			New Units
As of December 31, 2012
Percent owned	66.7%			55.0%
Plant in service	$	1.1	billion	—
Accumulated depreciation	$	557.0	million	—
Construction work in progress	$	113.6	million	$	1.8	billion
As of December 31, 2011
Percent owned	66.7%			55.0%
Plant in service	$	1.0	billion	—
Accumulated depreciation	$	545.0	million	—
Construction work in progress	$	71.0	million	$	1.2	billion

SCE&G

Significant Accounting Policies

Schedule of Jointly Owned Utility Plants [Table Text Block]

SCE&G’s share of the direct expenses is included in the corresponding operating expenses on its income statement.



	Unit 1			New Units
As of December 31, 2012
Percent owned	66.7%			55.0%
Plant in service	$	1.1	billion	—
Accumulated depreciation	$	557.0	million	—
Construction work in progress	$	113.6	million	$	1.8	billion
As of December 31, 2011
Percent owned	66.7%			55.0%
Plant in service	$	1.0	billion	—
Accumulated depreciation	$	545.0	million	—
Construction work in progress	$	71.0	million	$	1.2	billion

- Definition

Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants.

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