Madison Gas and Electric Company Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Items not affecting cash:
Depreciation and amortization	$ 19,815	$ 19,154
Deferred income taxes	15,110	20,484
Provision for doubtful receivables	984	1,084
Employee benefit plan expenses	(555)	6,558
Equity earnings in ATC	(4,883)	(4,705)
Other items	(1,077)	547
Changes in working capital items:
Decrease in current assets	17,349	17,350
Decrease in current liabilities	(5,840)	(5,517)
Dividend income from ATC	3,835	3,638
Cash contributions to pension and other postretirement plans	(1,633)	(31,507)
Other noncurrent items, net	(229)	2,567
Cash Provided by Operating Activities	84,680	66,128
Investing Activities:
Capital expenditures	(42,272)	(63,137)
Capital contributions to investments	(1,225)	(950)
Other	(1,123)	(458)
Cash Used for Investing Activities	(44,620)	(64,545)
Financing Activities:
Repayment of long-term debt	(2,042)	(1,333)
Increase in short-term debt	0	14,000
Other	(80)	(10)
Cash Used for Financing Activities	(20,962)	(5,607)
Change in cash and cash equivalents	19,098	(4,024)
Cash and cash equivalents at beginning of period	68,813	46,357
Cash and Cash Equivalents at End of Period	87,911	42,333
Significant noncash investing activities:
Accrued capital expenditures	9,442	13,249
MGE [Member]
Operating Activities:
Net Income	41,786	36,525
Items not affecting cash:
Depreciation and amortization	19,792	19,154
Deferred income taxes	14,566	19,804
Provision for doubtful receivables	984	1,084
Employee benefit plan expenses	(555)	6,558
Equity earnings in ATC	(4,883)	(4,705)
Other items	(812)	817
Changes in working capital items:
Decrease in current assets	17,169	17,013
Decrease in current liabilities	(3,536)	(5,295)
Dividend income from ATC	3,835	3,638
Cash contributions to pension and other postretirement plans	(1,633)	(31,507)
Other noncurrent items, net	(321)	2,516
Cash Provided by Operating Activities	86,392	65,602
Investing Activities:
Capital expenditures	(42,272)	(63,137)
Capital contributions to investments	(1,065)	(710)
Other	(1,014)	(422)
Cash Used for Investing Activities	(44,351)	(64,269)
Financing Activities:
Cash dividends paid to parent by MGE	(16,750)	0
Distributions to parent from noncontrolling interest	(12,838)	(15,750)
Equity contribution received by noncontrolling interest	1,065	710
Repayment of long-term debt	(2,042)	(1,333)
Increase in short-term debt	0	14,000
Cash Used for Financing Activities	(30,565)	(2,373)
Change in cash and cash equivalents	11,476	(1,040)
Cash and cash equivalents at beginning of period	14,808	6,350
Cash and Cash Equivalents at End of Period	26,284	5,310
Significant noncash investing activities:
Accrued capital expenditures	$ 9,442	$ 13,249