Common Stock And Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2012

Details on Preferred Stock

Details on preferred stock at September 30, 2012, September 30, 2011 and December 31, 2011 are shown below:

	September 30,				December 31,
	2012		2011		2011
Preferred Stock
Unitil Energy Preferred Stock, Non-Redeemable, Non-Cumulative:
6.00% Series, $100 Par Value,	$	0.2	$	0.2	$	0.2
Fitchburg Preferred Stock, Redeemable, Cumulative:
5.125% Series, $100 Par Value		0.8		0.8		0.8
8.00% Series, $100 Par Value		1.0		1.0		1.0
Total Preferred Stock	$	2.0	$	2.0	$	2.0

Shares Outstanding	September 30,				December 31,
	2012		2011		2011
Preferred Stock
Unitil Energy Preferred Stock, Non-Redeemable, Non-Cumulative:
6.00% Series, $100 Par Value,		2,250		2,250		2,250
Fitchburg Preferred Stock, Redeemable, Cumulative:
5.125% Series, $100 Par Value		7,823		7,861		7,861
8.00% Series, $100 Par Value		9,654		9,696		9,696