Notes Payable to Banks, Commercial Paper, and Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Short-Term Borrowings

Information concerning short-term borrowings for the past three years is shown below:

		As of December 31,
(In thousands)		2014		2013		2012
MGE Energy(a)
Available lines of credit	$	150,000	$	150,000	$	115,000
Short-term debt outstanding	$	7,000	$	-	$	-
Weighted-average interest rate		0.20%		-%		-%
During the year:
Maximum short-term borrowings	$	9,000	$	32,000	$	16,000
Average short-term borrowings	$	182	$	6,992	$	1,154
Weighted-average interest rate		0.24%		0.18%		0.17%
MGE
Available lines of credit	$	100,000	$	100,000	$	75,000
Commercial paper outstanding	$	7,000	$	-	$	-
Weighted-average interest rate		0.20%		-%		-%
During the year:
Maximum short-term borrowings	$	9,000	$	32,000	$	16,000
Average short-term borrowings	$	182	$	6,992	$	1,154
Weighted-average interest rate		0.24%		0.18%		0.17%

(a)MGE Energy short-term borrowings include MGE Energy and MGE lines of credit and MGE commercial paper.