Short-Term and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Short-Term and Long-Term Debt [Abstract]

Long-term Debt [Table Text Block]

During 2014, we issued $375.0 million of ALLETE first mortgage bonds (Bonds) in the private placement market as shown below:

Issue Date	Maturity Date	Principal Amount	Interest Rate
March 4, 2014	March 15, 2024	$60 Million	3.69%
March 4, 2014	March 15, 2044	$40 Million	4.95%
June 26, 2014	July 15, 2022	$75 Million	3.40%
June 26, 2014	July 15, 2044	$40 Million	5.05%
September 16, 2014	September 15, 2021	$60 Million	3.02%
September 16, 2014	September 15, 2029	$50 Million	3.74%
September 16, 2014	September 15, 2044	$50 Million	4.39%

Long-Term Debt
As of December 31	2014		2013
Millions
First Mortgage Bonds
6.94% Series Due 2014	—		$18.0
7.70% Series Due 2016	$20.0		20.0
1.83% Series Due 2018	50.0		50.0
8.17% Series Due 2019	42.0		42.0
5.28% Series Due 2020	35.0		35.0
4.85% Series Due 2021	15.0		15.0
3.02% Series Due 2021	60.0		—
3.40% Series Due 2022	75.0		—
4.95% Pollution Control Series F Due 2022	—		111.0
6.02% Series Due 2023	75.0		75.0
3.69% Series Due 2024	60.0		—
4.90% Series Due 2025	30.0		30.0
5.10% Series Due 2025	30.0		30.0
3.20% Series Due 2026	75.0		75.0
5.99% Series Due 2027	60.0		60.0
3.30% Series Due 2028	40.0		40.0
3.74% Series Due 2029	50.0		—
5.69% Series Due 2036	50.0		50.0
6.00% Series Due 2040	35.0		35.0
5.82% Series Due 2040	45.0		45.0
4.08% Series Due 2042	85.0		85.0
4.21% Series Due 2043	60.0		60.0
4.95% Series Due 2044	40.0		—
5.05% Series Due 2044	40.0		—
4.39% Series Due 2044	50.0		—
Unsecured Term Loan Variable Rate Due 2015	75.0		75.0
Senior Unsecured Notes 5.99% Due 2017	50.0		50.0
Variable Demand Revenue Refunding Bonds Series 1997 A Due 2015 – 2020	24.6		24.6
Industrial Development Variable Rate Demand Refunding Revenue Bonds Series 2006, Due 2025	27.8		27.8
SWL&P First Mortgage Bonds 4.15% Series Due 2028	15.0		15.0
Other Long-Term Debt, 0.08% – 7.50% Due 2015 – 2037	59.1		41.8
Total Long-Term Debt	1,373.5		1,110.2
Less: Due Within One Year	100.7		27.2
Net Long-Term Debt		$1,272.8		$1,083.0