Madison Gas and Electric Company Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Items not affecting cash:
Depreciation and amortization	$ 33,358	$ 33,026
Deferred income taxes	15,041	7,370
Provision for doubtful receivables	583	(78)
Employee benefit plan expenses	165	2,500
Equity earnings in MGE Transco	(6,023)	(6,568)
Other items	693	(154)
Changes in working capital items:
Decrease in current assets	33,740	39,034
Decrease in current liabilities	(3,147)	(18,231)
Dividend income from MGE Transco	4,214	4,732
Cash contributions to pension and other postretirement plans	(13,134)	(12,460)
Other noncurrent items, net	2,644	13,373
Cash Provided by Operating Activities	129,192	122,655
Investing Activities:
Capital expenditures	(62,273)	(52,311)
Capital contributions to investments	(2,036)	(785)
Other	(310)	(85)
Cash Used for Investing Activities	(64,619)	(53,181)
Financing Activities:
Repayment of long-term debt	(3,192)	(3,128)
Repayment of short-term debt	0	(7,000)
Other	(65)	(1,018)
Cash Used for Financing Activities	(34,372)	(40,962)
Change in cash and cash equivalents	30,201	28,512
Cash and cash equivalents at beginning of period	81,384	65,755
Cash and cash equivalents at end of period	111,585	94,267
Significant noncash investing activities:
Accrued capital expenditures	10,603	3,497
MGE [Member]
Operating Activities:
Net Income	60,949	60,240
Items not affecting cash:
Depreciation and amortization	33,334	32,991
Deferred income taxes	13,997	4,510
Provision for doubtful receivables	583	(78)
Employee benefit plan expenses	165	2,500
Equity earnings in MGE Transco	(5,451)	(6,568)
Other items	1,056	234
Changes in working capital items:
Decrease in current assets	32,557	46,806
Decrease in current liabilities	(1,783)	(15,876)
Dividend income from MGE Transco	4,214	4,732
Cash contributions to pension and other postretirement plans	(13,134)	(12,460)
Other noncurrent items, net	2,472	13,076
Cash Provided by Operating Activities	128,959	130,107
Investing Activities:
Capital expenditures	(62,273)	(52,311)
Capital contributions to investments	(1,598)	(533)
Other	(536)	(90)
Cash Used for Investing Activities	(64,407)	(52,934)
Financing Activities:
Cash dividends paid to parent by MGE	(40,000)	(20,000)
Distributions to parent from noncontrolling interest	(18,113)	(12,007)
Equity contribution received by noncontrolling interest	1,598	3,053
Repayment of long-term debt	(3,192)	(3,128)
Repayment of short-term debt	0	(7,000)
Other	(47)	(682)
Cash Used for Financing Activities	(59,754)	(39,764)
Change in cash and cash equivalents	4,798	37,409
Cash and cash equivalents at beginning of period	26,760	4,562
Cash and cash equivalents at end of period	31,558	41,971
Significant noncash investing activities:
Accrued capital expenditures	$ 10,603	$ 3,497