STOCK-BASED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of the SJI nonvested restricted stock awards pertaining to SJG outstanding at and the assumptions used to estimate the fair value of the awards

The following table summarizes the SJI nonvested restricted stock awards pertaining to SJG outstanding at March 31, 2013, and the assumptions used to estimate the fair value of the awards:

Grant Date	Shares Outstanding	Fair Value Per Share		Expected Volatility		Risk-Free Interest Rate
Jan. 2011 - TSR	7,372	$	50.940	27.5	%	1.01	%
Jan. 2012 - TSR	3,868	$	51.230	22.5	%	0.43	%
Jan. 2012 - EPS	3,868	$	56.930	n/a		n/a
Jan. 2013 - TSR	4,662	$	44.380	21.1	%	0.40	%
Jan. 2013 - EPS	4,662	$	51.180	n/a		n/a

Summary of the information regarding restricted stock award activity excluding accrued dividend equivalents

The following table summarizes information regarding restricted stock award activity during the three months ended March 31, 2013, excluding accrued dividend equivalents:

	Shares	Weighted Average Grant Date Fair Value
Nonvested Shares Outstanding, January 1, 2013	15,108	$	52.548
Granted	9,324	$	47.780
Nonvested Shares Outstanding, March 31, 2013	24,432	$	50.728