The following table shows the balances and activity in the Company’s Allowance for Doubtful Accounts for 2016—2018 (millions):

ALLOWANCE FOR DOUBTFUL ACCOUNTS


	Balance at Beginning of Period		Provision			Recoveries		Accounts Written Off		Balance at End of Period
Year Ended December 31, 2018
Electric	$	0.9	$	3.2		$	0.3	$	3.9	$	0.5
Gas		0.6		2.9			0.3		3.0		0.8
Other		0.1		(0.1	)		—		—		—

	$	1.6	$	6.0		$	0.6	$	6.9	$	1.3

Year Ended December 31, 2017
Electric	$	0.8	$	1.8		$	0.3	$	2.0	$	0.9
Gas		0.2		1.9			0.3		1.8		0.6
Other		0.1		—			—		—		0.1

	$	1.1	$	3.7		$	0.6	$	3.8	$	1.6

Year Ended December 31, 2016
Electric	$	0.6	$	2.9		$	0.3	$	3.0	$	0.8
Gas		0.5		1.7			0.3		2.3		0.2
Other		0.1		—			—		—		0.1

	$	1.2	$	4.6		$	0.6	$	5.3	$	1.1