Equity Investments (Tables)

6 Months Ended

Jun. 30, 2021

ATC [Member]

Investment in ATC [Line Items]

Equity Method Investments (Table Text Block)

ALLETE’s Investment in ATC
Millions
Equity Investment Balance as of December 31, 2020	$149.0
Equity in ATC Earnings	10.5
Distributed ATC Earnings	(8.5)
Amortization of the Remeasurement of Deferred Income Taxes	0.6
Equity Investment Balance as of June 30, 2021	$151.6

Nobles 2 [Member]

Investment in ATC [Line Items]

Equity Method Investments (Table Text Block)

ALLETE’s Investment in Nobles 2
Millions
Equity Investment Balance as of December 31, 2020	$152.2
Cash Investments	17.1
Equity in Nobles 2 Earnings (a)	(0.6)
Distributed Nobles 2 Earnings	(2.5)
Equity Investment Balance as of June 30, 2021	$166.2

(a)The Company also recorded net loss attributable to non-controlling interest of $3.4 million related to its investment in Nobles 2.