Madison Gas and Electric Company Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Items not affecting cash:
Depreciation and amortization	$ 26,234	$ 22,146
Deferred income taxes	1,037	9,522
Provision for doubtful receivables	367	483
Employee benefit plan cost	727	30
Equity earnings in MGE Transco	(5,094)	(4,000)
Other items	780	392
Changes in working capital items:
Decrease in current assets	21,287	27,585
(Decrease) increase in current liabilities	(11,516)	12,230
Dividends from MGE Transco	4,072	2,728
Cash contributions to pension and other postretirement plans	(8,284)	(12,096)
Other noncurrent items, net	3,257	1,316
Cash Provided by Operating Activities	67,710	93,514
Investing Activities:
Capital expenditures	(42,169)	(40,791)
Capital contributions to investments	(5,557)	(998)
Other	778	(184)
Cash Used for Investing Activities	(46,948)	(41,973)
Financing Activities:
Repayment of long-term debt	(32,167)	(2,123)
Issuance of long-term debt	40,000	0
Other	(317)	(40)
Cash Used for Financing Activities	(13,805)	(22,617)
Change in cash and cash equivalents	6,957	28,924
Cash and cash equivalents at beginning of period	95,959	81,384
Cash and cash equivalents at end of period	102,916	110,308
Significant noncash investing activities:
Accrued capital expenditures	8,450	7,091
MGE [Member]
Operating Activities:
Net Income	32,333	33,287
Items not affecting cash:
Depreciation and amortization	26,234	22,122
Deferred income taxes	(149)	8,894
Provision for doubtful receivables	367	483
Employee benefit plan cost	727	30
Equity earnings in MGE Transco	0	(4,000)
Other items	971	770
Changes in working capital items:
Decrease in current assets	20,394	27,628
(Decrease) increase in current liabilities	(11,021)	12,123
Dividends from MGE Transco	0	2,728
Cash contributions to pension and other postretirement plans	(8,284)	(12,096)
Other noncurrent items, net	3,141	1,240
Cash Provided by Operating Activities	64,713	93,209
Investing Activities:
Capital expenditures	(42,169)	(40,791)
Capital contributions to investments	0	(710)
Other	(9)	(527)
Cash Used for Investing Activities	(42,178)	(42,028)
Financing Activities:
Cash dividends paid to parent by MGE	(25,000)	(25,000)
Distributions to parent from noncontrolling interest	(10,000)	(10,552)
Equity contribution received by noncontrolling interest	0	710
Repayment of long-term debt	(32,167)	(2,123)
Issuance of long-term debt	40,000	0
Other	(305)	(29)
Cash Used for Financing Activities	(27,472)	(36,994)
Change in cash and cash equivalents	(4,937)	14,187
Cash and cash equivalents at beginning of period	10,768	26,760
Cash and cash equivalents at end of period	5,831	40,947
Significant noncash investing activities:
Accrued capital expenditures	$ 8,450	$ 7,091