The following table shows the balances and activity in the Company’s Allowance for Doubtful Accounts for 2013—2015 (millions):

ALLOWANCE FOR DOUBTFUL ACCOUNTS


	Balance at Beginning of Period		Provision		Recoveries		Accounts Written Off		Balance at End of Period
Year Ended December 31, 2015
Electric	$	1.3	$	2.5	$	0.3	$	3.5	$	0.6
Gas		0.4		2.8		0.4		3.1		0.5
Other		0.1		—		—		—		0.1

	$	1.8	$	5.3	$	0.7	$	6.6	$	1.2

Year Ended December 31, 2014
Electric	$	1.3	$	2.9	$	0.3	$	3.2	$	1.3
Gas		0.2		3.1		0.3		3.2		0.4
Other		0.1		—		—		—		0.1

	$	1.6	$	6.0	$	0.6	$	6.4	$	1.8

Year Ended December 31, 2013
Electric	$	1.1	$	2.6	$	0.2	$	2.6	$	1.3
Gas		0.7		2.0		0.2		2.7		0.2
Other		0.1		—		—		—		0.1

	$	1.9	$	4.6	$	0.4	$	5.3	$	1.6