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Short-Term and Long-Term Debt Short-Term and Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule of Short-Term and Long-Term Debt [Table Text Block]

The following tables present ALLETE’s short-term and long-term debt as of June 30, 2016 and December 31, 2015.

June 30, 2016	Principal				Unamortized Debt Issuance Costs		Total
Millions
Short-Term Debt (a)		$66.0			$(0.6)			$65.4
Long-Term Debt	1,510.1				(11.2)		1,498.9
Total Debt		$1,576.1			$(11.8)			$1,564.3

(a) Consisted of long-term debt due within one year and notes payable.

December 31, 2015	Principal				Unamortized Debt Issuance Costs		Total
Millions
Short-Term Debt (a)		$37.9			$(0.6)			$37.3
Long-Term Debt	1,568.7				(12.0)		1,556.7
Total Debt		$1,606.6			$(12.6)			$1,594.0

(a) Consisted of long-term debt due within one year and notes payable.

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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