INVESTMENT IN TRANSMISSION AFFILIATES (Tables)

6 Months Ended

Jun. 30, 2021

Investment in transmission affiliates

Schedule of changes to our investments in transmission affiliates

The following tables provide a reconciliation of the changes in our investments in ATC and ATC Holdco:

	Three Months Ended June 30, 2021
(in millions)	ATC		ATC Holdco		Total
Balance at beginning of period	$	1,741.9	$	31.7	$	1,773.6
Add: Earnings from equity method investment	40.7		0.6		41.3
Less: Distributions	32.8		—		32.8
Less: Other	0.1		—		0.1
Balance at end of period	$	1,749.7	$	32.3	$	1,782.0
	Three Months Ended June 30, 2020
(in millions)	ATC		ATC Holdco		Total
Balance at beginning of period	$	1,686.7	$	31.0	$	1,717.7
Add: Earnings from equity method investment	52.5		0.4		52.9
Add: Capital contributions	6.0		—		6.0
Less: Distributions	32.0		—		32.0
Add: Other	0.1		—		0.1
Balance at end of period	$	1,713.3	$	31.4	$	1,744.7
	Six Months Ended June 30, 2021
(in millions)	ATC		ATC Holdco		Total
Balance at beginning of period	$	1,733.5	$	30.8	$	1,764.3
Add: Earnings from equity method investment	82.4		1.5		83.9
Less: Distributions	66.2		—		66.2
Balance at end of period	$	1,749.7	$	32.3	$	1,782.0
	Six Months Ended June 30, 2020
(in millions)	ATC		ATC Holdco		Total
Balance at beginning of period	$	1,684.7	$	36.1	$	1,720.8
Add: Earnings from equity method investment	92.1		0.6		92.7
Add: Capital contributions	9.0		—		9.0
Less: Distributions	72.6		—		72.6
Less: Return of capital	—		5.3		5.3
Add: Other	0.1		—		0.1
Balance at end of period	$	1,713.3	$	31.4	$	1,744.7

ATC

Investment in transmission affiliates

Schedule of significant related party transactions with ATC

The following table summarizes our significant related party transactions with ATC:

	Three Months Ended June 30				Six Months Ended June 30
(in millions)	2021		2020		2021		2020
Charges to ATC for services and construction	$	5.7	$	7.0	$	11.7	$	13.0
Charges from ATC for network transmission services	89.1		79.6		181.7		166.5

Schedule of receivables and payables with ATC

Our balance sheets included the following receivables and payables for services provided to or received from ATC:

(in millions)	June 30, 2021		December 31, 2020
Accounts receivable for services provided to ATC	$	1.9	$	3.7
Accounts payable for services received from ATC	30.6		29.3
Amounts due from ATC for transmission infrastructure upgrades (1)	5.7		4.6

(1)The transmission infrastructure upgrades were primarily related to WE's and WPS's construction of their new solar projects, Badger Hollow II and Badger Hollow I, respectively.

Schedule of summarized income statement data for ATC

Summarized financial data for ATC is included in the tables below:

	Three Months Ended June 30				Six Months Ended June 30
(in millions)	2021		2020		2021		2020
Income statement data
Operating revenues	$	185.9	$	203.1	$	374.6	$	389.9
Operating expenses	92.4		97.5		187.5		192.7
Other expense, net	28.1		25.4		56.6		53.9
Net income	$	65.4	$	80.2	$	130.5	$	143.3

Schedule of summarized balance sheet data for ATC

(in millions)	June 30, 2021		December 31, 2020
Balance sheet data
Current assets	$	92.5	$	92.7
Noncurrent assets	5,462.6		5,400.6
Total assets	$	5,555.1	$	5,493.3
Current liabilities	$	427.5	$	310.8
Long-term debt	2,412.7		2,512.2
Other noncurrent liabilities	397.4		378.2
Members' equity	2,317.5		2,292.1
Total liabilities and members' equity	$	5,555.1	$	5,493.3