Issuances of Common Stock (Tables)

9 Months Ended

Sep. 30, 2021

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,
	2021		2020		2021		2020
Shares of common stock issued under the ATM program	14,788,822		5,536,619		21,378,420		7,047,768
Gross proceeds	$	1,032.3	$	346.5	$	1,487.1	$	442.2

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,
	2021		2020		2021		2020
Shares of common stock issued under the DRSPP program	41,613		34,604		124,430		113,421
Gross proceeds	$	2.9	$	2.1	$	8.2	$	6.9