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SEGMENT INFORMATION (Tables)
3 Months Ended
Mar. 31, 2024
Segment Reporting [Abstract]  
Summary of Segment Information and Segmented Total Assets Eversource's segment information is as follows:
For the Three Months Ended March 31, 2024
Eversource
(Millions of Dollars)
Electric DistributionNatural Gas DistributionElectric TransmissionWater DistributionOtherEliminationsTotal
Operating Revenues$2,261.7 $906.0 $507.8 $50.1 $443.6 $(836.6)$3,332.6 
Depreciation and Amortization(109.8)(83.0)(101.0)(0.6)(45.7)2.5 (337.6)
Other Operating Expenses(1,905.1)(554.6)(141.9)(32.0)(349.5)834.1 (2,149.0)
Operating Income$246.8 $268.4 $264.9 $17.5 $48.4 $— $846.0 
Interest Expense$(82.5)$(24.5)$(40.9)$(11.4)$(146.1)$54.7 $(250.7)
Other Income, Net56.6 10.1 14.1 1.7 622.6 (614.1)91.0 
Net Income Attributable to Common Shareholders168.1 190.6 176.7 5.4 540.4 (559.4)521.8 
Cash Flows Used for Investments in Plant471.3 244.8 358.4 31.9 43.0 — 1,149.4 
For the Three Months Ended March 31, 2023
Eversource
(Millions of Dollars)
Electric
Distribution
Natural Gas
Distribution
Electric
Transmission
Water DistributionOtherEliminationsTotal
Operating Revenues$2,588.6 $1,045.2 $458.6 $50.3 $413.8 $(760.9)$3,795.6 
Depreciation and Amortization(22.0)(77.0)(89.9)(13.3)(36.8)2.1 (236.9)
Other Operating Expenses(2,342.3)(730.4)(128.2)(27.9)(339.6)759.3 (2,809.1)
Operating Income$224.3 $237.8 $240.5 $9.1 $37.4 $0.5 $749.6 
Interest Expense$(69.3)$(21.2)$(41.5)$(9.4)$(85.1)$32.0 $(194.5)
Other Income, Net54.3 9.0 9.4 1.1 565.8 (550.6)89.0 
Net Income Attributable to Common Shareholders165.5 170.3 155.1 1.5 516.9 (518.1)491.2 
Cash Flows Used for Investments in Plant371.9 165.5 336.6 37.9 65.2 — 977.1 

The following table summarizes Eversource's segmented total assets:
Eversource
(Millions of Dollars)
Electric
Distribution
Natural Gas
Distribution
Electric
Transmission
Water DistributionOtherEliminationsTotal
As of March 31, 2024$30,437.0 $8,948.5 $15,129.8 $2,972.2 $28,358.1 $(28,523.4)$57,322.2 
As of December 31, 202329,426.4 8,775.3 14,806.5 2,944.8 26,337.7 (26,678.5)55,612.2