Equity Investments (Tables)

3 Months Ended

Mar. 31, 2022

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, 2021	$154.5
Cash Investments	2.7
Equity in ATC Earnings	5.4
Distributed ATC Earnings	(4.4)
Amortization of the Remeasurement of Deferred Income Taxes	0.3
Equity Investment Balance as of March 31, 2022	$158.5

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, 2021	$163.5
Equity in Nobles 2 Earnings (a)	0.1
Distributed Nobles 2 Earnings	(1.5)
Equity Investment Balance as of March 31, 2022	$162.1

(a)The Company also recorded net loss attributable to non-controlling interest of $3.2 million related to its investment in Nobles 2.