Madison Gas and Electric Company Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Items not affecting cash:
Depreciation and amortization	$ 22,146	$ 21,844
Deferred income taxes	9,522	6,201
Provision for doubtful receivables	483	85
Employee benefit plan expenses	30	1,660
Equity earnings in ATC	(4,000)	(4,170)
Other items	392	(772)
Changes in working capital items:
Decrease in current assets	27,585	29,599
Increase (decrease) in current liabilities	12,230	(14,789)
Dividend income from ATC	2,728	2,891
Cash contributions to pension and other postretirement plans	(12,096)	(11,626)
Other noncurrent items, net	1,316	10,313
Cash Provided by Operating Activities	93,514	72,993
Investing Activities:
Capital expenditures	(40,791)	(33,211)
Capital contributions to investments	(998)	(538)
Other	(184)	(52)
Cash Used for Investing Activities	(41,973)	(33,801)
Financing Activities:
Repayment of long-term debt	(2,123)	(2,080)
Repayment of short-term debt	0	(7,000)
Other	(40)	(487)
Cash Used for Financing Activities	(22,617)	(29,156)
Change in cash and cash equivalents	28,924	10,036
Cash and cash equivalents at beginning of period	81,384	65,755
Cash and cash equivalents at end of period	110,308	75,791
Significant noncash investing activities:
Accrued capital expenditures	7,091	2,409
MGE [Member]
Operating Activities:
Net Income	33,287	31,829
Items not affecting cash:
Depreciation and amortization	22,122	21,821
Deferred income taxes	8,894	3,909
Provision for doubtful receivables	483	85
Employee benefit plan expenses	30	1,660
Equity earnings in ATC	(4,000)	(4,170)
Other items	770	(524)
Changes in working capital items:
Decrease in current assets	27,628	35,282
Increase (decrease) in current liabilities	12,123	(12,369)
Dividend income from ATC	2,728	2,891
Cash contributions to pension and other postretirement plans	(12,096)	(11,626)
Other noncurrent items, net	1,240	10,204
Cash Provided by Operating Activities	93,209	78,992
Investing Activities:
Capital expenditures	(40,791)	(33,211)
Capital contributions to investments	(710)	(355)
Other	(527)	(62)
Cash Used for Investing Activities	(42,028)	(33,628)
Financing Activities:
Cash dividends paid to parent by MGE	(25,000)	(10,000)
Distributions to parent from noncontrolling interest	(10,552)	(10,084)
Equity contribution received by noncontrolling interest	710	2,875
Repayment of long-term debt	(2,123)	(2,080)
Repayment of short-term debt	0	(7,000)
Other	(29)	(314)
Cash Used for Financing Activities	(36,994)	(26,603)
Change in cash and cash equivalents	14,187	18,761
Cash and cash equivalents at beginning of period	26,760	4,562
Cash and cash equivalents at end of period	40,947	23,323
Significant noncash investing activities:
Accrued capital expenditures	$ 7,091	$ 2,409