XML 36 R6.htm IDEA: XBRL DOCUMENT v2.4.1.9
STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Operating activities    
Net income $ 20,247us-gaap_NetIncomeLoss $ 18,735us-gaap_NetIncomeLoss
Adjustments to reconcile net income to cash provided by operating activities:    
Depreciation and amortization 36,310us-gaap_DepreciationAmortizationAndAccretionNet 31,059us-gaap_DepreciationAmortizationAndAccretionNet
Demand side management program amortization 418us-gaap_AmortizationOfRegulatoryAsset 418us-gaap_AmortizationOfRegulatoryAsset
Deferred income taxes 3,617us-gaap_DeferredIncomeTaxExpenseBenefit 22,166us-gaap_DeferredIncomeTaxExpenseBenefit
Amortization of investment tax credits (85)us-gaap_InvestmentTaxCredit (85)us-gaap_InvestmentTaxCredit
Allowance for equity funds used during construction (1,705)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity (3,640)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Net derivative losses 66sps_GainLossOnHedgingAndDerivativeTransactions 66sps_GainLossOnHedgingAndDerivativeTransactions
Changes in operating assets and liabilities:    
Accounts receivable (12,719)us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables 12,526us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables
Accrued unbilled revenues 26,906us-gaap_IncreaseDecreaseInUnbilledReceivables (2,413)us-gaap_IncreaseDecreaseInUnbilledReceivables
Inventories 11,482us-gaap_IncreaseDecreaseInInventories 5,131us-gaap_IncreaseDecreaseInInventories
Prepayments and other (12,485)us-gaap_IncreaseDecreaseInOtherCurrentAssets (15,455)us-gaap_IncreaseDecreaseInOtherCurrentAssets
Accounts payable (21,160)us-gaap_IncreaseDecreaseInAccountsPayable 9,454us-gaap_IncreaseDecreaseInAccountsPayable
Net regulatory assets and liabilities 29,566us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities (16,994)us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities
Other current liabilities 12,521us-gaap_IncreaseDecreaseInOtherCurrentLiabilities 3,908us-gaap_IncreaseDecreaseInOtherCurrentLiabilities
Pension and other employee benefit obligations (10,954)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities (3,513)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Change in other noncurrent assets 301us-gaap_IncreaseDecreaseInOtherNoncurrentAssets 2,951us-gaap_IncreaseDecreaseInOtherNoncurrentAssets
Change in other noncurrent liabilities 378us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities 1,758us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities
Net cash provided by operating activities 82,704us-gaap_NetCashProvidedByUsedInOperatingActivities 66,072us-gaap_NetCashProvidedByUsedInOperatingActivities
Investing activities    
Utility capital/construction expenditures (126,622)us-gaap_PaymentsToAcquireProductiveAssets (137,637)us-gaap_PaymentsToAcquireProductiveAssets
Allowance for equity funds used during construction 1,705us-gaap_AllowanceForFundsUsedDuringConstructionInvestingActivities 3,640us-gaap_AllowanceForFundsUsedDuringConstructionInvestingActivities
Investments in utility money pool arrangement (9,000)sps_InvestmentsInUtilityMoneyPoolArrangement (10,000)sps_InvestmentsInUtilityMoneyPoolArrangement
Repayments from utility money pool arrangement 9,000sps_RepaymentsFromUtilityMoneyPoolArrangement 10,000sps_RepaymentsFromUtilityMoneyPoolArrangement
Net cash used in investing activities (124,917)us-gaap_NetCashProvidedByUsedInInvestingActivities (133,997)us-gaap_NetCashProvidedByUsedInInvestingActivities
Financing activities    
Proceeds from (repayment of) short-term borrowings, net 86,000us-gaap_ProceedsFromRepaymentsOfShortTermDebt (15,000)us-gaap_ProceedsFromRepaymentsOfShortTermDebt
Borrowings under utility money pool arrangement 41,000sps_BorrowingsUnderUtilityMoneyPoolArrangement 231,000sps_BorrowingsUnderUtilityMoneyPoolArrangement
Repayments under utility money pool arrangement (57,000)sps_RepaymentsUnderUtilityMoneyPoolArrangement (169,000)sps_RepaymentsUnderUtilityMoneyPoolArrangement
Capital contributions from parent 0us-gaap_ProceedsFromContributionsFromParent 40,000us-gaap_ProceedsFromContributionsFromParent
Dividends paid to parent (27,828)us-gaap_PaymentsOfDividendsCommonStock (18,082)us-gaap_PaymentsOfDividendsCommonStock
Net cash provided by financing activities 42,172us-gaap_NetCashProvidedByUsedInFinancingActivities 68,918us-gaap_NetCashProvidedByUsedInFinancingActivities
Net change in cash and cash equivalents (41)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 993us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period 596us-gaap_CashAndCashEquivalentsAtCarryingValue 1,011us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period 555us-gaap_CashAndCashEquivalentsAtCarryingValue 2,004us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information:    
Cash paid for interest (net of amounts capitalized) (8,870)us-gaap_InterestPaidNet (7,570)us-gaap_InterestPaidNet
Cash paid for income taxes, net (19,004)us-gaap_IncomeTaxesPaidNet (2,522)us-gaap_IncomeTaxesPaidNet
Supplemental disclosure of non-cash investing transactions:    
Property, plant and equipment additions in accounts payable $ 28,426us-gaap_CapitalExpendituresIncurredButNotYetPaid $ 30,938us-gaap_CapitalExpendituresIncurredButNotYetPaid