$MGEE
MGE ENERGY INC Stock $mgee

$mgee Overview Financials Valuation SEC Filings Company Website

2013 Q1 Form 10-Q Financial Statement

#000116172813000006 Filed on May 03, 2013

Income Statement

Concept	2013 Q1	2012 Q1
Revenue	$167.2M	$149.3M
YoY Change	12.04%	-9.32%
Cost Of Revenue	$62.90M	$54.40M
YoY Change	15.63%	-20.58%
Gross Profit	$104.3M	$94.90M
YoY Change	9.91%	-1.25%
Gross Profit Margin	62.37%	63.58%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.600M	$9.600M
YoY Change	0.0%	-4.0%
% of Gross Profit	9.2%	10.12%
Operating Expenses	$66.70M	$66.40M
YoY Change	0.45%	1.84%
Operating Profit	$37.63M	$28.44M
YoY Change	32.29%	-7.94%
Interest Expense	$4.675M	$5.104M
YoY Change	-8.41%	5.24%
% of Operating Profit	12.42%	17.94%
Other Income/Expense, Net	$3.309M	$2.570M
YoY Change	28.75%	7.71%
Pretax Income	$36.26M	$25.91M
YoY Change	39.95%	-8.88%
Income Tax	$13.68M	$9.862M
% Of Pretax Income	37.72%	38.06%
Net Earnings	$22.58M	$16.05M
YoY Change	40.73%	-9.76%
Net Earnings / Revenue	13.5%	10.75%
Basic Earnings Per Share	$0.98	$0.69
Diluted Earnings Per Share	$651.3K	$461.1K
COMMON SHARES
Basic Shares Outstanding	23.11M shares	23.11M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2013 Q1	2012 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$45.90M	$40.70M
YoY Change	12.78%	32.57%
Cash & Equivalents	$45.89M	$40.66M
Short-Term Investments
Other Short-Term Assets	$7.431M	$7.095M
YoY Change	4.74%	12.39%
Inventory	$26.50M	$34.70M
Prepaid Expenses
Receivables	$46.86M	$38.09M
Other Receivables	$5.125M	$4.500M
Total Short-Term Assets	$195.9M	$179.0M
YoY Change	9.46%	15.15%
LONG-TERM ASSETS
Property, Plant & Equipment	$981.3M	$966.1M
YoY Change	1.58%	3.65%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$65.70M	$61.20M
YoY Change	7.35%	4.44%
Other Assets	$7.222M	$7.011M
YoY Change	3.01%	-37.33%
Total Long-Term Assets	$1.384B	$1.303B
YoY Change	6.23%	12.19%
TOTAL ASSETS
Total Short-Term Assets	$195.9M	$179.0M
Total Long-Term Assets	$1.384B	$1.303B
Total Assets	$1.580B	$1.482B
YoY Change	6.62%	12.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$39.59M	$32.00M
YoY Change	23.71%	14.77%
Accrued Expenses	$11.80M	$12.40M
YoY Change	-4.84%	14.81%
Deferred Revenue
YoY Change
Short-Term Debt	$10.50M	$0.00
YoY Change
Long-Term Debt Due	$3.365M	$2.667M
YoY Change	26.17%	0.0%
Total Short-Term Liabilities	$84.75M	$62.21M
YoY Change	36.22%	20.82%
LONG-TERM LIABILITIES
Long-Term Debt	$357.5M	$360.2M
YoY Change	-0.77%	-0.72%
Other Long-Term Liabilities	$53.51M	$44.39M
YoY Change	20.54%	-34.54%
Total Long-Term Liabilities	$545.3M	$501.7M
YoY Change	8.69%	36.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$84.75M	$62.21M
Total Long-Term Liabilities	$545.3M	$501.7M
Total Liabilities	$630.0M	$563.9M
YoY Change	11.73%	34.26%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$592.9M	$558.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.580B	$1.482B
YoY Change	6.62%	12.54%

Cashflow Statement

Concept	2013 Q1	2012 Q1
OPERATING ACTIVITIES
Net Income	$22.58M	$16.05M
YoY Change	40.73%	-9.76%
Depreciation, Depletion And Amortization	$9.600M	$9.600M
YoY Change	0.0%	-4.0%
Cash From Operating Activities	$28.65M	$24.74M
YoY Change	15.83%	-34.97%
INVESTING ACTIVITIES
Capital Expenditures	$29.16M	$15.47M
YoY Change	88.56%	57.14%
Acquisitions
YoY Change
Other Investing Activities	$279.0K	-$106.0K
YoY Change	-363.21%	-125.3%
Cash From Investing Activities	-$29.82M	-$15.72M
YoY Change	89.72%	25.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$667.0K	$667.0K
YoY Change	0.0%	33.4%
Cash From Financing Activities	$701.0K	-$9.529M
YoY Change	-107.36%	381.02%
NET CHANGE
Cash From Operating Activities	$28.65M	$24.74M
Cash From Investing Activities	-$29.82M	-$15.72M
Cash From Financing Activities	$701.0K	-$9.529M
Net Change In Cash	-$463.0K	-$509.0K
YoY Change	-9.04%	-102.16%
FREE CASH FLOW
Cash From Operating Activities	$28.65M	$24.74M
Capital Expenditures	$29.16M	$15.47M
Free Cash Flow	-$512.0K	$9.269M
YoY Change	-105.52%	-67.12%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q1	us-gaap	Electric Domestic Regulated Revenue ElectricDomesticRegulatedRevenue	93494000	USD
CY2013Q1	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	72467000	USD
CY2013Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1276000	USD
CY2013Q1	mgee	Utilities Operating Expense Fuel For Electric Generation UtilitiesOperatingExpenseFuelForElectricGeneration	10760000	USD
CY2013Q1	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	18205000	USD
CY2013Q1	mgee	Utilities Operating Expense Cost Of Gas Sold UtilitiesOperatingExpenseCostOfGasSold	44692000	USD
CY2013Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	41649000	USD
CY2013Q1	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	129609000	USD
CY2012Q1	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	120815000	USD
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2013Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.395
CY2012Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.383
CY2013Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23114000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23114000	shares
CY2012Q1	us-gaap	Electric Domestic Regulated Revenue ElectricDomesticRegulatedRevenue	89936000	USD
CY2012Q1	us-gaap	Gas Domestic Regulated Revenue GasDomesticRegulatedRevenue	57019000	USD
CY2012Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	2304000	USD
CY2012Q1	mgee	Utilities Operating Expense Fuel For Electric Generation UtilitiesOperatingExpenseFuelForElectricGeneration	8851000	USD
CY2012Q1	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	19546000	USD
CY2012Q1	mgee	Utilities Operating Expense Cost Of Gas Sold UtilitiesOperatingExpenseCostOfGasSold	34845000	USD
CY2012Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	42949000	USD
CY2013Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	167237000	USD
CY2012Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	149259000	USD
CY2013Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	9624000	USD
CY2012Q1	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	9624000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	37628000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	28444000	USD
CY2013Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	3309000	USD
CY2012Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2570000	USD
CY2013Q1	us-gaap	Interest Expense InterestExpense	4675000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	5104000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	22584000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	36262000	USD
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13678000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	25910000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9862000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	16048000	USD
CY2013Q1	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	4679000	USD
CY2012Q1	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	5000000	USD
CY2013Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	22649000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16055000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	43000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	65000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	7000	USD
CY2013Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-11294000	USD
CY2012Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1167000	USD
CY2012Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-8846000	USD
CY2013Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	743000	USD
CY2013Q1	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	3336000	USD
CY2013Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-750000	USD
CY2012Q1	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	4682000	USD
CY2012Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-660000	USD
CY2012Q1	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	-12377000	USD
CY2013Q1	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-4590000	USD
CY2013Q1	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	-17341000	USD
CY2012Q1	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-6631000	USD
CY2013Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1807000	USD
CY2012Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1740000	USD
CY2012Q1	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	746000	USD
CY2013Q1	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	1077000	USD
CY2012Q1	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	20789000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	24736000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28652000	USD
CY2013Q1	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	30764000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-29816000	USD
CY2013Q1	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	373000	USD
CY2012Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15467000	USD
CY2013Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29164000	USD
CY2012Q1	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	355000	USD
CY2013Q1	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	7375000	USD
CY2013Q1	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	2195000	USD
CY2013Q1	us-gaap	Prepaid Taxes PrepaidTaxes	13868000	USD
CY2013Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	8471000	USD
CY2013Q1	us-gaap	Other Assets Current OtherAssetsCurrent	7431000	USD
CY2013Q1	us-gaap	Assets Current AssetsCurrent	195943000	USD
CY2013Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	214496000	USD
CY2012Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-106000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-15716000	USD
CY2013Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	279000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	701000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9529000	USD
CY2012Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	USD
CY2012Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8843000	USD
CY2012Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-19000	USD
CY2013Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2013Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	9132000	USD
CY2012Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	667000	USD
CY2013Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	667000	USD
CY2013Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	10500000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-463000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-509000	USD
CY2013Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2396000	USD
CY2012Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2242000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	46357000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	45894000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	41169000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	40660000	USD
CY2013Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	12699000	USD
CY2012Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	4674000	USD
CY2013Q1	us-gaap	Margin Deposit Assets MarginDepositAssets	766000	USD
CY2013Q1	mgee	Unbilled Revenues UnbilledRevenues	26761000	USD
CY2013Q1	us-gaap	Other Inventory Supplies OtherInventorySupplies	16933000	USD
CY2013Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7222000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	981325000	USD
CY2013Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	115803000	USD
CY2013Q1	mgee	Total Property Plant And Equipment TotalPropertyPlantAndEquipment	1097128000	USD
CY2013Q1	us-gaap	Investments Investments	65651000	USD
CY2013Q1	us-gaap	Assets Assets	1580440000	USD
CY2013Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	3365000	USD
CY2013Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	39586000	USD
CY2013Q1	mgee	Accrued Interest And Taxes AccruedInterestAndTaxes	4099000	USD
CY2013Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7711000	USD
CY2013Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10605000	USD
CY2013Q1	us-gaap	Liabilities Current LiabilitiesCurrent	84746000	USD
CY2013Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	272511000	USD
CY2013Q1	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	1466000	USD
CY2013Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	22598000	USD
CY2013Q1	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	133380000	USD
CY2013Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	53505000	USD
CY2013Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	545270000	USD
CY2013Q1	us-gaap	Stockholders Equity StockholdersEquity	592946000	USD
CY2013Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	357478000	USD
CY2013Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	950424000	USD
CY2013Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2013Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1580440000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	579429000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	3013000	USD
CY2012Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	937920000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	43518000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1586924000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	162835000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5637000	USD
CY2012Q4	mgee	Accrued Interest And Taxes AccruedInterestAndTaxes	4296000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	75797000	USD
CY2012Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	24538000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	50584000	USD
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	10063000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	270410000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	573207000	USD
CY2012Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	1520000	USD
CY2013Q1	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	61810000	USD
CY2013Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	46864000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	41386000	USD
CY2012Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	6746000	USD
CY2013Q1	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	5125000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	14260000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	23483000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	358491000	USD
CY2012Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	218853000	USD
CY2012Q4	mgee	Unbilled Revenues UnbilledRevenues	28262000	USD
CY2012Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	16997000	USD
CY2012Q4	us-gaap	Investments Investments	64595000	USD
CY2012Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	1818000	USD
CY2012Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	10327000	USD
CY2012Q4	us-gaap	Assets Assets	1586924000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	6694000	USD
CY2012Q4	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	14980000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	222937000	USD
CY2012Q4	mgee	Total Property Plant And Equipment TotalPropertyPlantAndEquipment	1073464000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7075000	USD
CY2012Q4	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	6367000	USD
CY2012Q4	us-gaap	Prepaid Taxes PrepaidTaxes	19520000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	975053000	USD
CY2012Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	98411000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3885000	USD
CY2013Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3914000	USD
CY2013Q1	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	931000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	931000	USD
CY2013Q1	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	8880000	USD
CY2012Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	9270000	USD
CY2012Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	63320000	USD
CY2013Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	10500000	USD
CY2012Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	550952000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	558164000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	65000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	7000	USD
CY2012Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8843000	USD
CY2013Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9132000	USD
CY2013Q1	dei	Document Type DocumentType	10-Q
CY2013Q1	dei	Amendment Flag AmendmentFlag	false
CY2013Q1	dei	Document Period End Date DocumentPeriodEndDate	2013-03-31
CY2013Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013Q1	dei	Entity Registrant Name EntityRegistrantName	MGE Energy Inc
CY2013Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001161728
CY2013Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	23113638	shares
CY2013Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2013Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2012Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2013Q1	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2013Q1	mgee	Public Utilities Percent Rate Of Return PublicUtilitiesPercentRateOfReturn	0.5	pure
CY2013Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.377	pure
CY2012Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.381	pure
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3200000	USD
CY2013Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3400000	USD
CY2012Q1	mgee	Deferred Pension And Oprb Costs Recovered DeferredPensionAndOprbCostsRecovered	300000	USD
CY2013Q1	mgee	Deferred Pension And Oprb Costs Recovered DeferredPensionAndOprbCostsRecovered	300000	USD
CY2013Q1	mgee	Derivative Fair Value Of Derivative Net Ppa DerivativeFairValueOfDerivativeNetPpa	-70700000	USD
CY2012	mgee	Authorized Percent Increase Decrease Gas AuthorizedPercentIncreaseDecreaseGas	0.003	pure
CY2012	mgee	Authorized Rate Increase Decrease Electric AuthorizedRateIncreaseDecreaseElectric	15700000	USD
CY2012	mgee	Authorized Rate Increase Decrease Gas AuthorizedRateIncreaseDecreaseGas	600000	USD
CY2012Q4	mgee	Derivative Fair Value Of Derivative Net Ppa DerivativeFairValueOfDerivativeNetPpa	-72600000	USD
CY2013Q1	mgee	Derivative Fair Value Of Derivative Net Exchange Traded And Ftrs DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs	1500000	USD
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	15256	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost	900000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost	400000	USD
CY2013Q1	mgee	Share Based Compensation Arrangement By Share Based Payment Award Cash Payment Prior Activity ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity	1000000	USD
CY2013Q1	mgee	Share Based Compensation Arrangement By Share Based Payment Award Vested ShareBasedCompensationArrangementByShareBasedPaymentAwardVested	3700000	USD
CY2013Q1	mgee	Share Based Compensation Arrangement By Share Based Payment Award Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures	0	USD
CY2012Q1	mgee	Share Based Compensation Arrangement By Share Based Payment Award Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures	0	USD
CY2013Q1	mgee	Chattel Paper Purchase Agreement Maximum Interest ChattelPaperPurchaseAgreementMaximumInterest	10000000	USD
CY2013Q1	mgee	Outstanding Interest In Chattel Paper Receivables OutstandingInterestInChattelPaperReceivables	4300000	USD
CY2013Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	200000	USD
CY2013Q1	mgee	Collateral Required To Post For Ppa Minimum CollateralRequiredToPostForPpaMinimum	20000000	USD
CY2013Q1	mgee	Smart Grid Grant Amount SmartGridGrantAmount	5500000	USD
CY2013Q1	mgee	Total Cost Of Proposed Projects TotalCostOfProposedProjects	11000000	USD
CY2013Q1	mgee	Smart Grid Expenditures SmartGridExpenditures	9600000	USD
CY2013Q1	mgee	Minimum Capacity For Regulation Csapr MinimumCapacityForRegulationCsapr	25	MW
CY2013Q1	mgee	Cair Phase One Emission Reductions For Nox CairPhaseOneEmissionReductionsForNox	0.55	pure
CY2013Q1	mgee	Cair Phase One Emission Reductions For So2 CairPhaseOneEmissionReductionsForSo2	0.4	pure
CY2013Q1	mgee	Cair Phase Two Emission Reductions For Nox CairPhaseTwoEmissionReductionsForNox	0.65	pure
CY2013Q1	mgee	Cair Phase Two Emission Reductions For So2 CairPhaseTwoEmissionReductionsForSo2	0.7	pure
CY2013Q1	mgee	Coal Fired Electric Generating Units Mw Requirement CoalFiredElectricGeneratingUnitsMwRequirement	150	MW
CY2013Q1	mgee	Minimum Amount Fleet Wide Mercury Reduction In Wisconsin Phase Two MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo	0.9	pure
CY2013Q1	mgee	Columbia Clean Air Act Litigation Civil Penalties ColumbiaCleanAirActLitigationCivilPenalties	200000	USD
CY2013Q1	mgee	Columbia Clean Air Act Litigation Environmental Mitigation Costs ColumbiaCleanAirActLitigationEnvironmentalMitigationCosts	600000	USD
CY2013Q1	us-gaap	Derivatives Methods Of Accounting Hedging Derivatives DerivativesMethodsOfAccountingHedgingDerivatives	<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:10pt;margin-left:45px;">As part of its regular operations, MGE enters into contracts, including options, swaps, futures, forwards, and other contractual commitments, to manage its exposure to commodity prices and gas revenues. To the extent that these contracts are derivatives, MGE assesses whether or not the normal purchases or normal sales exclusion applies. For contracts to which this exclusion cannot be applied, MGE Energy and MGE recognize such derivatives in the consolidated balance sheets at fair value</font><font style="font-family:Times New Roman;font-size:10pt;">.</font><font style="font-family:Times New Roman;font-size:10pt;"> The majority of MGE's derivative activities are conducted in accordance with its electric and gas risk management program, which is approved by the PSCW and limits the volume MGE can hedge with specific risk management strategies. The maximum length of time over which cash flows related to energy commodities can be hedged </font><font style="font-family:Times New Roman;font-size:10pt;">is </font><font style="font-family:Times New Roman;font-size:10pt;">four years.</font><font style="font-family:Times New Roman;font-size:10pt;"> If the derivative qualifies for regulatory deferral, the derivatives are marked to fair value and are offset with a corresponding regulatory asset or liability. The deferred gain or loss is recognized in earnings in the delivery month applicable to the instrument. Gains and losses related to hedges qualifying for regulatory treatment are recoverable in gas rates through the PGA or in electric rates as a component of the fuel rules mechanism.</font></p>
CY2013Q1	mgee	Gross Notional Amount Of Commodity Derivatives Megawatt Hours GrossNotionalAmountOfCommodityDerivativesMegawattHours	331315	MWh
CY2012Q4	mgee	Gross Notional Amount Of Commodity Derivatives Megawatt Hours GrossNotionalAmountOfCommodityDerivativesMegawattHours	444650	MWh
CY2012Q4	mgee	Gross Notional Amount Of Commodity Dekatherms GrossNotionalAmountOfCommodityDekatherms	1980000	Dth
CY2013Q1	mgee	Gross Notional Amount Of Commodity Dekatherms GrossNotionalAmountOfCommodityDekatherms	1360000	Dth
CY2013Q1	mgee	Gross Notional Amount Of Ftrs Megawatts GrossNotionalAmountOfFtrsMegawatts	1085	MW
CY2012Q4	mgee	Gross Notional Amount Of Ftrs Megawatts GrossNotionalAmountOfFtrsMegawatts	2670	MW
CY2012Q4	mgee	Derivative Fair Value Of Derivative Net Exchange Traded And Ftrs DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs	300000	USD
CY2013	mgee	Electric Fuel Deferred Costs Upper Threshold ElectricFuelDeferredCostsUpperThreshold	1.02	pure
CY2013	mgee	Electric Fuel Deferred Costs Lower Threshold ElectricFuelDeferredCostsLowerThreshold	0.98	pure
CY2013Q1	mgee	Collateral Required To Post For Ppa Maximum CollateralRequiredToPostForPpaMaximum	40000000	USD
CY2013Q1	mgee	Counterparties In Net Liability Position CounterpartiesInNetLiabilityPosition	0	USD
CY2012Q4	mgee	Counterparties In Net Liability Position CounterpartiesInNetLiabilityPosition	0	USD
CY2013Q1	mgee	Derivative Collateral Right To Reclaim Cash Ppa DerivativeCollateralRightToReclaimCashPpa	0	USD
CY2014	mgee	Proposed Percent Increase Decrease Electric ProposedPercentIncreaseDecreaseElectric	0	pure
CY2014	mgee	Proposed Percent Increase Decrease Gas ProposedPercentIncreaseDecreaseGas	0	pure
CY2013	mgee	Authorized Percent Increase Decrease Electric AuthorizedPercentIncreaseDecreaseElectric	0.038	pure
CY2013	mgee	Authorized Percent Increase Decrease Gas AuthorizedPercentIncreaseDecreaseGas	0.01	pure
CY2013	mgee	Authorized Rate Increase Decrease Electric AuthorizedRateIncreaseDecreaseElectric	14900000	USD
CY2013	mgee	Authorized Rate Increase Decrease Gas AuthorizedRateIncreaseDecreaseGas	1600000	USD
CY2012	mgee	Authorized Percent Increase Decrease Electric AuthorizedPercentIncreaseDecreaseElectric	0.043	pure
CY2013Q1	mgee	Increased Electric Fuel Costs Deferred IncreasedElectricFuelCostsDeferred	0	USD
CY2012Q4	us-gaap	Derivative Financial Instruments Liabilities Fair Value Disclosure DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure	72329000	USD
CY2012Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2013	mgee	Authorized Return On Common Stock AuthorizedReturnOnCommonStock	0.103	pure
CY2013	mgee	Fuel Rules Bandwidth FuelRulesBandwidth	0.02	pure
CY2013Q1	mgee	Purchased Gas Adjustment Over Collected PurchasedGasAdjustmentOverCollected	5300000	USD
CY2012Q4	mgee	Purchased Gas Adjustment Over Collected PurchasedGasAdjustmentOverCollected	-100000	USD
CY2014	mgee	Proposed Return Electric Fuel Credit ProposedReturnElectricFuelCredit	6200000	USD
CY2014Q4	mgee	Proposed Carrying Cost On Pre Construction Cost ProposedCarryingCostOnPreConstructionCost	1	pure
CY2013Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	428000	USD
CY2013Q1	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	428000	USD
CY2013Q1	us-gaap	Derivative Financial Instruments Liabilities Fair Value Disclosure DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure	69197000	USD
CY2013Q1	mgee	Deferred Compensation Fair Value Disclosure DeferredCompensationFairValueDisclosure	2085000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	320000	USD
CY2012Q4	mgee	Deferred Compensation Fair Value Disclosure DeferredCompensationFairValueDisclosure	2010000	USD
CY2012Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	320000	USD
CY2013Q1	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	500000	USD
CY2013Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	71282000	USD
CY2012Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	74339000	USD
CY2013Q1	mgee	Fair Value Inputs Delivery Points Basis Adjustment On Peak FairValueInputsDeliveryPointsBasisAdjustmentOnPeak	0.971	pure
CY2013Q1	mgee	Fair Value Inputs Delivery Points Basis Adjustment Off Peak FairValueInputsDeliveryPointsBasisAdjustmentOffPeak	0.960	pure
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-72346000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-40661000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	50000	USD
CY2012Q1	mgee	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Regulatory Assets Liabilities FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities	-30527000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	-31000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	-1502000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-1471000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2012Q1	mgee	Fairvaluemeasurementwithunobservableinputsreconciliation Recurring Basis Asset Gain Loss Included In Current Assets FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets	-50000	USD
CY2012Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Investment Income FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome	0	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	4411000	USD
CY2013Q1	mgee	Deferred Compensation Interest Calculation Increase Compounded Monthly DeferredCompensationInterestCalculationIncreaseCompoundedMonthly	0.01	pure
CY2013Q1	mgee	Deferred Compensation Interest Calculation Minimum Annual Rate DeferredCompensationInterestCalculationMinimumAnnualRate	0.07	pure
CY2013Q1	mgee	Fairvaluemeasurementwithunobservableinputsreconciliation Recurring Basis Asset Gain Loss Included In Current Assets FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets	0	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings	-1148000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	3000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	5562000	USD
CY2013Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Investment Income FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome	0	USD
CY2013Q1	mgee	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Regulatory Assets Liabilities FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities	2748000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome	0	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-69598000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-71188000	USD
CY2013Q1	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	-1148000	USD
CY2012Q1	us-gaap	Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings	-1502000	USD
CY2013Q1	mgee	Deferred Compensation Interest Calculation Treasury Bills Maturity DeferredCompensationInterestCalculationTreasuryBillsMaturity	26	pure
CY2013Q1	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	0	USD
CY2013Q1	us-gaap	Segment Reporting Information Revenue SegmentReportingInformationRevenue	167237000	USD
CY2013Q1	mgee	Utilities Operating Expense Excluding Depreciation And Amortization UtilitiesOperatingExpenseExcludingDepreciationAndAmortization	119985000	USD
CY2012Q1	us-gaap	Revenues From Transactions With Other Operating Segments Of Same Entity RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity	0	USD
CY2012Q1	us-gaap	Segment Reporting Information Revenue SegmentReportingInformationRevenue	149259000	USD
CY2012Q1	mgee	Utilities Operating Expense Excluding Depreciation And Amortization UtilitiesOperatingExpenseExcludingDepreciationAndAmortization	111191000	USD
CY2012	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	98435000	USD
CY2013Q1	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	29164000	USD

Files In Submission

Name	View Source	Status
0001161728-13-000006-index-headers.html	Edgar Link	pending
0001161728-13-000006-index.html	Edgar Link	pending
0001161728-13-000006.txt	Edgar Link	pending
0001161728-13-000006-xbrl.zip	Edgar Link	pending
ex12.htm	Edgar Link	pending
ex31_1.htm	Edgar Link	pending
ex31_2.htm	Edgar Link	pending
ex31_3.htm	Edgar Link	pending
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ex32_4.htm	Edgar Link	pending
f10q_20130331.htm	Edgar Link	pending
f10q_20130331.pdf	Edgar Link	pending
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Financial_Report.xls	Edgar Link	pending
mgee-20130331.xml	Edgar Link	completed
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$MGEE
MGE ENERGY INC Stock $mgee

2013 Q1 Form 10-Q Financial Statement

#000116172813000006 Filed on May 03, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MGEE MGE ENERGY INC Stock $mgee

2013 Q1 Form 10-Q Financial Statement

#000116172813000006 Filed on May 03, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MGEE
MGE ENERGY INC Stock $mgee