10-K Filing

EVERSOURCE ENERGY CIK: 72741 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0000072741-20-000008`
Period End Date	20191231
Filing Date	20200227
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	a201910kdocument_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 82 Income Statement 112 Cash Flow Statement 131 Stockholders Equity 48 Comprehensive Income 29

Balance Sheet 82 line items

Line Item	Tag	Value	Unit	Period
Cash	`Cash`	$108.07M	USD	Point-in-time
Cash	`Cash`	$15.43M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$994.05M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$989.38M	USD	Point-in-time
Unbilled Revenues	`ReceivablesFromCustomers`	$176.28M	USD	Point-in-time
Unbilled Revenues	`ReceivablesFromCustomers`	$181.01M	USD	Point-in-time
Fuel, Materials, Supplies and REC Inventory	`InventoryRawMaterialsAndSupplies`	$238.04M	USD	Point-in-time
Fuel, Materials, Supplies and REC Inventory	`InventoryRawMaterialsAndSupplies`	$235.47M	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsCurrent`	$651.11M	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsCurrent`	$514.78M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$261.00M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$342.13M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.29B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.41B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$27.59B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$25.61B	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsNoncurrent`	$4.63B	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsNoncurrent`	$4.86B	USD	Point-in-time
Goodwill	`Goodwill`	$4.43B	USD	Point-in-time
Goodwill	`Goodwill`	$4.43B	USD	Point-in-time
Investments in Unconsolidated Affiliates	`EquityMethodInvestments`	$464.29M	USD	Point-in-time
Investments in Unconsolidated Affiliates	`EquityMethodInvestments`	$871.63M	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$449.13M	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$417.51M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$512.24M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$398.41M	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$10.34B	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$11.12B	USD	Point-in-time
Total Assets	`Assets`	$38.24B	USD	Point-in-time
Total Assets	`Assets`	$41.12B	USD	Point-in-time
Notes Payable	`NotesPayable`	$910.00M	USD	Point-in-time
Notes Payable	`NotesPayable`	$889.08M	USD	Point-in-time
Long-Term Debt Current Portion	`LongTermDebtCurrent`	$837.32M	USD	Point-in-time
Long-Term Debt Current Portion	`LongTermDebtCurrent`	$327.41M	USD	Point-in-time
Rate Reduction Bonds Current Portion	`RateReductionBondsCurrent`	$52.33M	USD	Point-in-time
Rate Reduction Bonds Current Portion	`RateReductionBondsCurrent`	$43.21M	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$1.15B	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$1.12B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityCurrent`	$361.15M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityCurrent`	$370.23M	USD	Point-in-time
Other Current Liabilities	`OtherLiabilitiesCurrent`	$823.01M	USD	Point-in-time
Other Current Liabilities	`OtherLiabilitiesCurrent`	$836.83M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$3.61B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$4.11B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$3.51B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$3.76B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$3.66B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$3.61B	USD	Point-in-time
Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$338.71M	USD	Point-in-time
Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$379.56M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$488.51M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$466.24M	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$962.51M	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.37B	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$730.10M	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$810.55M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$9.65B	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$10.42B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$13.77B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$12.25B	USD	Point-in-time
Rate Reduction Bonds	`RateReductionBonds`	$540.12M	USD	Point-in-time
Rate Reduction Bonds	`RateReductionBonds`	$583.33M	USD	Point-in-time
Noncontrolling Interest - Preferred Stock of Subsidiaries	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Noncontrolling Interest - Preferred Stock of Subsidiaries	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Common Shares	`CommonStockValue`	$1.73B	USD	Point-in-time
Common Shares	`CommonStockValue`	$1.67B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$6.24B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$7.09B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$3.95B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$4.18B	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-65.06M	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-60.00M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$299.06M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$317.77M	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$11.09B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$11.49B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$12.63B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$10.71B	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 Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$41.12B	USD	Point-in-time
Total Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$38.24B	USD	Point-in-time

Income Statement 112 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$2.18B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.42B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.27B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.03B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.29B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.88B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.05B	USD	1 Quarter
Operating Revenues	`Revenues`	$8.53B	USD	Annual
Operating Revenues	`Revenues`	$8.45B	USD	Annual
Operating Revenues	`Revenues`	$1.85B	USD	1 Quarter
Operating Revenues	`Revenues`	$7.75B	USD	Annual
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$2.54B	USD	Annual
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$3.04B	USD	Annual
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$3.14B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.36B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.31B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.34B	USD	Annual
Depreciation	`Depreciation`	$885.28M	USD	Annual
Depreciation	`Depreciation`	$819.93M	USD	Annual
Depreciation	`Depreciation`	$773.80M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$195.38M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$89.99M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$252.03M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$472.38M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$480.83M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$501.37M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$729.75M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$711.03M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$676.76M	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	$239.64M	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	-	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	$239.60M	USD	1 Quarter
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	-	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.75B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$5.86B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.94B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$391.40M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$509.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$151.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$442.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.59B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.89B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$400.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$435.60M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$466.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.70B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$494.70M	USD	1 Quarter
Interest Expense	`InterestExpense`	$498.81M	USD	Annual
Interest Expense	`InterestExpense`	$421.75M	USD	Annual
Interest Expense	`InterestExpense`	$533.20M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$132.78M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$128.37M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$107.91M	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.33B	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.19B	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.57B	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$288.97M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$578.89M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$273.50M	USD	Annual
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$33.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$916.57M	USD	Annual
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$251.90M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$320.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$310.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$988.00M	USD	Annual
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$308.70M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$231.30M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$289.40M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$31.50M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$242.80M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$909.05M	USD	Annual
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$250.00M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$318.90M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.03B	USD	Annual
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$269.50M	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.91	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.77	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.76	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.85	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.97	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.73	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$3.11	USD	Annual
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$2.83	USD	Annual
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$3.25	USD	Annual
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$0.98	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.97	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.85	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$2.81	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$3.11	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.91	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$3.25	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.73	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.98	USD	1 Quarter
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	317.37M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	321.42M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	317.41M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	322.94M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	317.99M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	318.03M	shares	Annual

Cash Flow Statement 131 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$33.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$916.57M	USD	Annual
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$251.90M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$320.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$310.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Depreciation	`Depreciation`	$885.28M	USD	Annual
Depreciation	`Depreciation`	$819.93M	USD	Annual
Depreciation	`Depreciation`	$773.80M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$491.63M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$209.81M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$174.81M	USD	Annual
Uncollectible Expense	`ProvisionForDoubtfulAccounts`	$44.45M	USD	Annual
Uncollectible Expense	`ProvisionForDoubtfulAccounts`	$63.45M	USD	Annual
Uncollectible Expense	`ProvisionForDoubtfulAccounts`	$61.34M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$22.45M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$5.50M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$22.00M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$121.78M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$194.95M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$242.80M	USD	Annual
Regulatory (Under)/Over Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$47.94M	USD	Annual
Regulatory (Under)/Over Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$124.87M	USD	Annual
Regulatory (Under)/Over Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-34.92M	USD	Annual
Amortization	`AmortizationOfDeferredCharges`	$252.03M	USD	Annual
Amortization	`AmortizationOfDeferredCharges`	$195.38M	USD	Annual
Amortization	`AmortizationOfDeferredCharges`	$89.99M	USD	Annual
Payments Related to CYAPC's DOE Pre-1983 Spent Nuclear Fuel Obligation	`PaymentsRefundsRelatedtoSpentNuclearFuel`	-	USD	Annual
Payments Related to CYAPC's DOE Pre-1983 Spent Nuclear Fuel Obligation	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$29.00M	USD	Point-in-time
Payments Related to CYAPC's DOE Pre-1983 Spent Nuclear Fuel Obligation	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$-29.00M	USD	Annual
Payments Related to CYAPC's DOE Pre-1983 Spent Nuclear Fuel Obligation	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$-145.00M	USD	Annual
Proceeds from DOE Spent Nuclear Fuel Litigation	`ProceedsFromLegalSettlements`	-	USD	Annual
Proceeds from DOE Spent Nuclear Fuel Litigation	`ProceedsFromLegalSettlements`	$68.84M	USD	Annual
Proceeds from DOE Spent Nuclear Fuel Litigation	`ProceedsFromLegalSettlements`	-	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	$239.64M	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	-	USD	Annual
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	$239.60M	USD	1 Quarter
Impairment of Northern Pass Transmission	`TangibleAssetImpairmentCharges`	-	USD	Annual
Other	`OtherNoncashIncomeExpense`	$111.22M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$204.42M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$196.09M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$117.16M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$141.43M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$98.72M	USD	Annual
Fuel, Materials, Supplies and REC Inventory	`IncreaseDecreaseInInventories`	$831.00K	USD	Annual
Fuel, Materials, Supplies and REC Inventory	`IncreaseDecreaseInInventories`	$8.07M	USD	Annual
Fuel, Materials, Supplies and REC Inventory	`IncreaseDecreaseInInventories`	$9.22M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$67.77M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$16.13M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$-52.28M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$14.87M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$24.48M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$56.07M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$11.60M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-91.55M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-78.23M	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.01B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.83B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.00B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.35B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.91B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.57B	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$566.59M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$832.90M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$900.75M	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Pre-1983 Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	$145.00M	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Pre-1983 Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	-	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Pre-1983 Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	-	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$908.39M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$810.51M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$537.26M	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	-	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	$877.65M	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	-	USD	Annual
Investments in Unconsolidated Affiliates, Net	`PaymentsToAcquireEquityMethodInvestments`	$205.15M	USD	Annual
Investments in Unconsolidated Affiliates, Net	`PaymentsToAcquireEquityMethodInvestments`	$416.34M	USD	Annual
Investments in Unconsolidated Affiliates, Net	`PaymentsToAcquireEquityMethodInvestments`	$32.63M	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$193.92M	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-5.48M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-6.75M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-24.20M	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.44B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.23B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.27B	USD	Annual
Issuance of Common Shares, Net of Issuance Costs	`ProceedsFromIssuanceOfCommonStock`	$425.40M	USD	Point-in-time
Issuance of Common Shares, Net of Issuance Costs	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of Common Shares, Net of Issuance Costs	`ProceedsFromIssuanceOfCommonStock`	$426.90M	USD	Point-in-time
Issuance of Common Shares, Net of Issuance Costs	`ProceedsFromIssuanceOfCommonStock`	$852.25M	USD	Annual
Issuance of Common Shares, Net of Issuance Costs	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$640.11M	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$663.24M	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$602.08M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Increase/(Decrease) in Notes Payable	`ProceedsFromRepaymentsOfShortTermDebt`	$325.37M	USD	Annual
Increase/(Decrease) in Notes Payable	`ProceedsFromRepaymentsOfShortTermDebt`	$-379.31M	USD	Annual
Increase/(Decrease) in Notes Payable	`ProceedsFromRepaymentsOfShortTermDebt`	$72.81M	USD	Annual
(Repayments)/Issuance of Rate Reduction Bonds	`ProceedsPaymentsOfIssuanceOfRateReductionBonds`	-	USD	Annual
(Repayments)/Issuance of Rate Reduction Bonds	`ProceedsPaymentsOfIssuanceOfRateReductionBonds`	$-52.33M	USD	Annual
(Repayments)/Issuance of Rate Reduction Bonds	`ProceedsPaymentsOfIssuanceOfRateReductionBonds`	$635.66M	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.20B	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.50B	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.52B	USD	Annual
Retirement of Long-Term Debt	`RepaymentsOfLongTermDebt`	$745.00M	USD	Annual
Retirement of Long-Term Debt	`RepaymentsOfLongTermDebt`	$801.08M	USD	Annual
Retirement of Long-Term Debt	`RepaymentsOfLongTermDebt`	$1.05B	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-28.46M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.01M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.75M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$729.94M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.21B	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.17B	USD	Annual
Net (Decrease)/Increase in Cash and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-92.26M	USD	Annual
Net (Decrease)/Increase in Cash and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$123.43M	USD	Annual
Net (Decrease)/Increase in Cash and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-20.86M	USD	Annual
Cash and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$209.32M	USD	Point-in-time
Cash and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.06M	USD	Point-in-time
Cash and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.89M	USD	Point-in-time
Cash and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.75M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$209.32M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$117.06M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.89M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.75M	USD	Point-in-time

Stockholders Equity 48 line items

Line Item	Tag	Value	Unit	Period
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$2.02	USD	Annual
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$2.14	USD	Annual
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.90	USD	Annual
Per share par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$5.00	USD	Point-in-time
Per share par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$5.00	USD	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	316.89M	shares	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	329.88M	shares	Point-in-time
Beginning balance	`StockholdersEquity`	$11.09B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$11.49B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$12.63B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$10.71B	USD	Point-in-time
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$33.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$916.57M	USD	Annual
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$251.90M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$320.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$310.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$640.11M	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$602.08M	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$685.98M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Capital Contributions from Eversource Parent	`NoncontrollingInterestIncreaseinContributionsFromParent`	$365.00M	USD	Annual
Issuance of Common Shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	5.98M	shares	Point-in-time
Issuance of Common Shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	11.98M	shares	Annual
Issuance of Common Shares	`StockIssuedDuringPeriodValueNewIssues`	$868.55M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$3.43M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-10.83M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-543.00K	USD	Annual
Other Changes in Shareholders' Equity	`Otherchangesinshareholdersequity`	$1.82M	USD	Annual
Other Changes in Shareholders' Equity	`Otherchangesinshareholdersequity`	$550.00K	USD	Annual
Issuance of Treasury Shares	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$69.47M	USD	Annual
Capital Stock Expense	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$16.30M	USD	Annual
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.12M	USD	Annual
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-5.06M	USD	Annual
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Ending Balance (in shares)	`CommonStockSharesOutstanding`	316.89M	shares	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	329.88M	shares	Point-in-time
Ending balance	`StockholdersEquity`	$11.09B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$11.49B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$12.63B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$10.71B	USD	Point-in-time

Comprehensive Income 29 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$33.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$916.57M	USD	Annual
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$251.90M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$320.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$310.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.39M	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.97M	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.76M	USD	Annual
Changes in Unrealized Gains/(Losses) on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$1.17M	USD	Annual
Changes in Unrealized Gains/(Losses) on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-350.00K	USD	Annual
Changes in Unrealized Gains/(Losses) on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-547.00K	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-5.19M	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.62M	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.75M	USD	Annual
Other Comprehensive (Loss)/Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.12M	USD	Annual
Other Comprehensive (Loss)/Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-5.06M	USD	Annual
Other Comprehensive (Loss)/Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income Attributable to Common Shareholders	`ComprehensiveIncomeNetOfTax`	$903.99M	USD	Annual
Comprehensive Income Attributable to Common Shareholders	`ComprehensiveIncomeNetOfTax`	$986.88M	USD	Annual
Comprehensive Income Attributable to Common Shareholders	`ComprehensiveIncomeNetOfTax`	$1.04B	USD	Annual

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