Issuances of Common Stock (Tables)

9 Months Ended

Sep. 30, 2020

ATM Program

Class of Stock [Line Items]

Schedule of common stock issuances

The following table outlines common stock issuances pursuant to our ATM program (dollars in millions):

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Shares of common stock issued under the ATM program	5,536,619		7,663,383		7,047,768		9,370,078
Gross proceeds	$	346.5	$	570.3	$	442.2	$	694.4

DRSPP

Class of Stock [Line Items]

Schedule of common stock issuances

The following table outlines common stock issuances pursuant to our DRSPP program (dollars in millions):

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Shares of common stock issued under the DRSPP program	34,604		29,801		113,421		89,219
Gross proceeds	$	2.1	$	2.1	$	6.9	$	6.3