10-Q Filing

ALLIANT ENERGY CORP CIK: 352541 Q1 2014

Filing Information

Form Type	10-Q
Accession Number	`0000352541-14-000011`
Period End Date	20140331
Filing Date	20140502
Fiscal Year	2014
Fiscal Period	Q1
XBRL Instance	lnt-20140331.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 124 Income Statement 70 Cash Flow Statement 72

Balance Sheet 124 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	240.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	240.00M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	110.94M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	110.94M	shares	Point-in-time
Shares in deferred compensation trust (in shares)	`CommonStockHeldInTrustShares`	227,469.00	shares	Point-in-time
Electric plant	`PublicUtilitiesPropertyPlantAndEquipmentElectric`	$9.42B	USD	Point-in-time
Electric plant	`PublicUtilitiesPropertyPlantAndEquipmentElectric`	$9.51B	USD	Point-in-time
Shares in deferred compensation trust (in shares)	`CommonStockHeldInTrustShares`	224,076.00	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentGas`	$909.90M	USD	Point-in-time
Shares in deferred compensation trust, weighted average cost per share (in dollars per share)	`CommonStockHeldInTrustWeightedAverageValuePerShare`	$35.89	USD	Point-in-time
Shares in deferred compensation trust, weighted average cost per share (in dollars per share)	`CommonStockHeldInTrustWeightedAverageValuePerShare`	$35.25	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentGas`	$918.80M	USD	Point-in-time
Other plant	`PublicUtilitiesPropertyPlantAndEquipmentGeneral`	$547.90M	USD	Point-in-time
Other plant	`PublicUtilitiesPropertyPlantAndEquipmentGeneral`	$550.80M	USD	Point-in-time
Accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$3.73B	USD	Point-in-time
Accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$3.79B	USD	Point-in-time
Net plant	`NetUtilityPlant`	$7.19B	USD	Point-in-time
Net plant	`NetUtilityPlant`	$7.15B	USD	Point-in-time
Columbia Energy Center Units 1 and 2 emission controls (WPL)	`ConstructionWorkInProgressBusinessLine4`	$265.00M	USD	Point-in-time
Columbia Energy Center Units 1 and 2 emission controls (WPL)	`ConstructionWorkInProgressBusinessLine4`	$274.60M	USD	Point-in-time
Ottumwa Generating Station Unit 1 emission controls (IPL)	`ConstructionWorkInProgressBusinessLine6`	$144.00M	USD	Point-in-time
Ottumwa Generating Station Unit 1 emission controls (IPL)	`ConstructionWorkInProgressBusinessLine6`	$135.10M	USD	Point-in-time
George Neal Generating Station Unit 3 emission controls (IPL)	`ConstructionWorkInProgressBusinessLine5`	$54.60M	USD	Point-in-time
George Neal Generating Station Unit 3 emission controls (IPL)	`ConstructionWorkInProgressBusinessLine5`	$59.60M	USD	Point-in-time
Other	`ConstructionWorkInProgressOther`	$223.20M	USD	Point-in-time
Other	`ConstructionWorkInProgressOther`	$252.20M	USD	Point-in-time
Other, less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$22.30M	USD	Point-in-time
Other, less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$22.30M	USD	Point-in-time
Total utility	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.85B	USD	Point-in-time
Total utility	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.94B	USD	Point-in-time
Non-regulated Generation, less accumulated depreciation	`PropertyPlantAndEquipmentNonregulatedBusinessLine1`	$249.40M	USD	Point-in-time
Non-regulated Generation, less accumulated depreciation	`PropertyPlantAndEquipmentNonregulatedBusinessLine1`	$247.20M	USD	Point-in-time
Alliant Energy Corporate Services, Inc. and other, less accumulated depreciation	`PropertyPlantAndEquipmentNonregulatedBusinessLine2`	$235.40M	USD	Point-in-time
Alliant Energy Corporate Services, Inc. and other, less accumulated depreciation	`PropertyPlantAndEquipmentNonregulatedBusinessLine2`	$229.60M	USD	Point-in-time
Total non-regulated and other	`PropertyPlantAndEquipmentOther`	$479.00M	USD	Point-in-time
Total non-regulated and other	`PropertyPlantAndEquipmentOther`	$482.60M	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentNet`	$8.33B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentNet`	$8.43B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$53.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$9.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$21.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$14.50M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$106.60M	USD	Point-in-time
Customer	`AccountsReceivableNetCurrent`	$81.80M	USD	Point-in-time
Unbilled utility revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$78.30M	USD	Point-in-time
Unbilled utility revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$92.30M	USD	Point-in-time
Other	`OtherReceivables`	$299.20M	USD	Point-in-time
Other	`OtherReceivables`	$311.70M	USD	Point-in-time
Production fuel, at weighted average cost	`EnergyRelatedInventoryOtherFossilFuel`	$68.80M	USD	Point-in-time
Production fuel, at weighted average cost	`EnergyRelatedInventoryOtherFossilFuel`	$103.60M	USD	Point-in-time
Materials and supplies, at weighted average cost	`InventoryRawMaterialsAndSupplies`	$72.10M	USD	Point-in-time
Materials and supplies, at weighted average cost	`InventoryRawMaterialsAndSupplies`	$69.60M	USD	Point-in-time
Gas stored underground, at weighted average cost	`EnergyRelatedInventoryGasStoredUnderground`	$38.60M	USD	Point-in-time
Gas stored underground, at weighted average cost	`EnergyRelatedInventoryGasStoredUnderground`	$10.10M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$64.40M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$53.90M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$262.40M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$209.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$936.20M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.01B	USD	Point-in-time
Investment in American Transmission Company LLC	`InvestmentsBusinessLine1`	$276.90M	USD	Point-in-time
Investment in American Transmission Company LLC	`InvestmentsBusinessLine1`	$272.10M	USD	Point-in-time
Other	`OtherLongTermInvestmentsAndMarketableSecurities`	$57.50M	USD	Point-in-time
Other	`OtherLongTermInvestmentsAndMarketableSecurities`	$56.00M	USD	Point-in-time
Total investments	`LongTermInvestments`	$329.60M	USD	Point-in-time
Total investments	`LongTermInvestments`	$332.90M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.35B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.36B	USD	Point-in-time
Deferred charges and other	`OtherAssetsNoncurrent`	$68.60M	USD	Point-in-time
Deferred charges and other	`OtherAssetsNoncurrent`	$85.80M	USD	Point-in-time
Total other assets	`DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent`	$1.42B	USD	Point-in-time
Total other assets	`DeferredChargesRegulatoryAssetsAndOtherAssetsNoncurrent`	$1.45B	USD	Point-in-time
Total assets	`Assets`	$11.12B	USD	Point-in-time
Total assets	`Assets`	$11.11B	USD	Point-in-time
Common stock	`CommonStockValue`	$1.10M	USD	Point-in-time
Common stock	`CommonStockValue`	$1.10M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.51B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.51B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.78B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.83B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-200.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-200.00K	USD	Point-in-time
Shares in deferred compensation trust - 224,076 and 227,469 shares at a weighted average cost of $35.89 and $35.25 per share	`CommonStockHeldInTrust`	$8.00M	USD	Point-in-time
Shares in deferred compensation trust - 224,076 and 227,469 shares at a weighted average cost of $35.89 and $35.25 per share	`CommonStockHeldInTrust`	$8.00M	USD	Point-in-time
Total common equity	`StockholdersEquity`	$3.33B	USD	Point-in-time
Total common equity	`StockholdersEquity`	$3.28B	USD	Point-in-time
Cumulative preferred stock (Interstate Power and Light Company)	`PreferredStockValue`	$200.00M	USD	Point-in-time
Cumulative preferred stock (Interstate Power and Light Company)	`PreferredStockValue`	$200.00M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.80M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.70M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.48B	USD	Point-in-time
Long-term debt, net (excluding current portion)	`LongTermDebtNoncurrent`	$2.98B	USD	Point-in-time
Long-term debt, net (excluding current portion)	`LongTermDebtNoncurrent`	$2.98B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$6.46B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$6.51B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$358.50M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$358.80M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$279.40M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$221.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$388.10M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$365.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$224.50M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$196.60M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$233.80M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$191.50M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.43B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.38B	USD	Point-in-time
Deferred income tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$2.11B	USD	Point-in-time
Deferred income tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$2.14B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$624.90M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$611.90M	USD	Point-in-time
Pension and other benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$206.60M	USD	Point-in-time
Pension and other benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$203.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$273.90M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$262.20M	USD	Point-in-time
Total long-term liabilities and deferred credits	`TotalDeferredCreditsAndOtherLiabilities`	$3.22B	USD	Point-in-time
Total long-term liabilities and deferred credits	`TotalDeferredCreditsAndOtherLiabilities`	$3.22B	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.11B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.12B	USD	Point-in-time

Income Statement 70 line items

Line Item	Tag	Value	Unit	Period
Electric	`ElectricDomesticRegulatedRevenue`	$675.80M	USD	1 Quarter
Electric	`ElectricDomesticRegulatedRevenue`	$633.20M	USD	1 Quarter
Gas	`GasDomesticRegulatedRevenue`	$240.70M	USD	1 Quarter
Gas	`GasDomesticRegulatedRevenue`	$197.30M	USD	1 Quarter
Other	`OtherSalesRevenueNet`	$17.20M	USD	1 Quarter
Other	`OtherSalesRevenueNet`	$22.80M	USD	1 Quarter
Non-regulated	`UnregulatedOperatingRevenue`	$11.90M	USD	1 Quarter
Non-regulated	`UnregulatedOperatingRevenue`	$13.50M	USD	1 Quarter
Total operating revenues	`Revenues`	$859.60M	USD	1 Quarter
Total operating revenues	`Revenues`	$952.80M	USD	1 Quarter
Electric production fuel and energy purchases	`CostElectricProductionFuelAndEnergyPurchases`	$213.90M	USD	1 Quarter
Electric production fuel and energy purchases	`CostElectricProductionFuelAndEnergyPurchases`	$179.10M	USD	1 Quarter
Purchased electric capacity	`CostPurchasedElectricCapacity`	$57.00M	USD	1 Quarter
Purchased electric capacity	`CostPurchasedElectricCapacity`	$24.80M	USD	1 Quarter
Electric transmission service	`CostOfTransmission`	$114.10M	USD	1 Quarter
Electric transmission service	`CostOfTransmission`	$103.70M	USD	1 Quarter
Cost of gas sold	`CostOfGasSold`	$128.00M	USD	1 Quarter
Cost of gas sold	`CostOfGasSold`	$161.90M	USD	1 Quarter
Other operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$161.00M	USD	1 Quarter
Other operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$150.20M	USD	1 Quarter
Non-regulated operation and maintenance	`OtherCostAndExpenseOperating`	$1.30M	USD	1 Quarter
Non-regulated operation and maintenance	`OtherCostAndExpenseOperating`	$2.20M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$95.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$92.60M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$26.10M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$26.10M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$738.90M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$798.60M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$120.70M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$154.20M	USD	1 Quarter
Interest expense	`InterestExpense`	$45.20M	USD	1 Quarter
Interest expense	`InterestExpense`	$42.60M	USD	1 Quarter
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$11.40M	USD	1 Quarter
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$10.70M	USD	1 Quarter
Allowance for funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$9.10M	USD	1 Quarter
Allowance for funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.60M	USD	1 Quarter
Interest income and other	`OtherNonoperatingIncomeExpense`	$800.00K	USD	1 Quarter
Interest income and other	`OtherNonoperatingIncomeExpense`	$1.70M	USD	1 Quarter
Total interest expense and other	`NonoperatingIncomeExpense`	$-23.00M	USD	1 Quarter
Total interest expense and other	`NonoperatingIncomeExpense`	$-25.50M	USD	1 Quarter
Income from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$95.20M	USD	1 Quarter
Income from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$131.20M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$12.10M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$20.60M	USD	1 Quarter
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$83.10M	USD	1 Quarter
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$110.60M	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-3.00M	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$110.60M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$80.10M	USD	1 Quarter
Preferred dividend requirements of subsidiaries	`DividendsPreferredStock`	$2.60M	USD	1 Quarter
Preferred dividend requirements of subsidiaries	`DividendsPreferredStock`	$10.20M	USD	1 Quarter
Net income (loss) attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$108.00M	USD	1 Quarter
Net income (loss) attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$69.90M	USD	1 Quarter
Weighted average number of common shares outstanding (basic and diluted) (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	110.80M	shares	1 Quarter
Weighted average number of common shares outstanding (basic and diluted) (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	110.80M	shares	1 Quarter
Income from continuing operations, net of tax (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$0.66	USD	1 Quarter
Income from continuing operations, net of tax (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicAndDilutedShare`	$0.97	USD	1 Quarter
Income (loss) from discontinued operations, net of tax (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	$-0.03	USD	1 Quarter
Income (loss) from discontinued operations, net of tax (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare`	-	USD	1 Quarter
Net income (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$0.63	USD	1 Quarter
Net income (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$0.97	USD	1 Quarter
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperations`	$72.90M	USD	1 Quarter
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperations`	$108.00M	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (loss) from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-3.00M	USD	1 Quarter
Net income (loss) attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$108.00M	USD	1 Quarter
Net income (loss) attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$69.90M	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.47	USD	1 Quarter
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.51	USD	1 Quarter

Cash Flow Statement 72 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$110.60M	USD	1 Quarter
Net income	`NetIncomeLoss`	$80.10M	USD	1 Quarter
Depreciation and amortization	`AdjustmentDepreciationAndAmortizationIncludingDiscontinuedOperations`	$95.50M	USD	1 Quarter
Depreciation and amortization	`AdjustmentDepreciationAndAmortizationIncludingDiscontinuedOperations`	$92.60M	USD	1 Quarter
Other amortizations	`OtherAmortizationOfDeferredCharges`	$9.70M	USD	1 Quarter
Other amortizations	`OtherAmortizationOfDeferredCharges`	$15.10M	USD	1 Quarter
Deferred taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$35.90M	USD	1 Quarter
Deferred taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$22.50M	USD	1 Quarter
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$11.40M	USD	1 Quarter
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$10.70M	USD	1 Quarter
Distributions from equity method investments	`EquityMethodInvestmentDividendsOrDistributions`	$8.90M	USD	1 Quarter
Distributions from equity method investments	`EquityMethodInvestmentDividendsOrDistributions`	$9.40M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$3.60M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$7.20M	USD	1 Quarter
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$55.60M	USD	1 Quarter
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$12.90M	USD	1 Quarter
Sales of accounts receivable	`IncreaseDecreaseInOtherReceivables`	$-46.00M	USD	1 Quarter
Sales of accounts receivable	`IncreaseDecreaseInOtherReceivables`	$30.00M	USD	1 Quarter
Production fuel	`IncreaseDecreaseInFossilFuelInventories`	$-34.80M	USD	1 Quarter
Production fuel	`IncreaseDecreaseInFossilFuelInventories`	$-3.30M	USD	1 Quarter
Gas stored underground	`IncreaseDecreaseInGasStoredUnderground`	$-28.70M	USD	1 Quarter
Gas stored underground	`IncreaseDecreaseInGasStoredUnderground`	$-28.50M	USD	1 Quarter
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-19.90M	USD	1 Quarter
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$20.70M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$25.40M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.50M	USD	1 Quarter
Derivative liabilities	`IncreaseDecreaseInDerivativeLiabilities`	$-23.30M	USD	1 Quarter
Derivative liabilities	`IncreaseDecreaseInDerivativeLiabilities`	$-11.80M	USD	1 Quarter
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$900.00K	USD	1 Quarter
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-11.90M	USD	1 Quarter
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$198.60M	USD	1 Quarter
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$293.60M	USD	1 Quarter
Utility construction and acquisition expenditures	`PaymentsToAcquireProductiveAssetsBusinessLine1`	$159.00M	USD	1 Quarter
Utility construction and acquisition expenditures	`PaymentsToAcquireProductiveAssetsBusinessLine1`	$153.20M	USD	1 Quarter
Alliant Energy Corporate Services, Inc. and non-regulated businesses construction and acquisition expenditures	`PaymentsToAcquireProductiveAssetsBusinessLine2`	$14.00M	USD	1 Quarter
Alliant Energy Corporate Services, Inc. and non-regulated businesses construction and acquisition expenditures	`PaymentsToAcquireProductiveAssetsBusinessLine2`	$14.10M	USD	1 Quarter
Proceeds from Franklin County wind project cash grant	`ProceedsFromCashGrant`	-	USD	1 Quarter
Proceeds from Franklin County wind project cash grant	`ProceedsFromCashGrant`	$62.40M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.80M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$14.80M	USD	1 Quarter
Net cash flows used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-176.80M	USD	1 Quarter
Net cash flows used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-119.70M	USD	1 Quarter
Common stock dividends	`PaymentsOfDividendsCommonStock`	$56.50M	USD	1 Quarter
Common stock dividends	`PaymentsOfDividendsCommonStock`	$52.20M	USD	1 Quarter
Preferred dividends paid by subsidiaries	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$3.80M	USD	1 Quarter
Preferred dividends paid by subsidiaries	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$2.60M	USD	1 Quarter
Payments to redeem cumulative preferred stock	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	1 Quarter
Payments to redeem cumulative preferred stock	`PaymentsForRepurchaseOfRedeemablePreferredStock`	$211.00M	USD	1 Quarter
Proceeds from issuance of cumulative preferred stock	`ProceedsFromIssuanceOfRedeemablePreferredStock`	$200.00M	USD	1 Quarter
Proceeds from issuance of cumulative preferred stock	`ProceedsFromIssuanceOfRedeemablePreferredStock`	-	USD	1 Quarter
Net change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebt`	$10.90M	USD	1 Quarter
Net change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebt`	$-58.10M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$9.40M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$5.10M	USD	1 Quarter
Net cash flows from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-46.70M	USD	1 Quarter
Net cash flows from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-112.10M	USD	1 Quarter
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$32.20M	USD	1 Quarter
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$4.70M	USD	1 Quarter
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$53.40M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$9.80M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$21.20M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$14.50M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$53.40M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$9.80M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$21.20M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$14.50M	USD	Point-in-time
Interest, net of capitalized interest	`InterestPaidNet`	$43.50M	USD	1 Quarter
Interest, net of capitalized interest	`InterestPaidNet`	$41.40M	USD	1 Quarter
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$-3.90M	USD	1 Quarter
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$2.30M	USD	1 Quarter
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$99.50M	USD	1 Quarter
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$85.90M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.