v3.25.2
SEGMENT INFORMATION (Tables)
 6 Months Ended
Jun. 30, 2025
Segment Reporting [Abstract]  
Summary of Segment Information and Segmented Total Assets
Eversource's segment information is as follows:
For the Three Months Ended June 30, 2025
Eversource
(Millions of Dollars)
Electric
Distribution		Natural Gas
Distribution		Electric
Transmission		Water DistributionOtherEliminationsTotal
Operating Revenues$2,166.4 $460.8 $568.7 $61.1 $405.8 $(824.7)$2,838.1 
Depreciation and Amortization(265.8)(57.7)(109.6)(11.8)(53.4)3.6 (494.7)
Operations and Maintenance (1)
   Operations, Excluding Storm Costs(96.5)(40.8)(37.0)
   Corporate Shared Services(105.7)(28.0)(16.9)
   Storm Costs(21.9)— — 
   Employee Benefits(47.3)(17.2)(11.9)
   Uncollectible Expense(41.1)(13.4)— 
   Other(39.6)(5.1)(18.3)
Total Operations and Maintenance(352.1)(104.5)(84.1)(23.3)(313.3)409.7 (467.6)
Purchased Power, Purchased Natural Gas and Transmission, Other Taxes and Energy Efficiency (2)
(1,307.9)(235.4)(73.2)(6.7)(1.0)411.4 (1,212.8)
Operating Income240.6 63.2 301.8 19.3 38.1 — 663.0 
Interest Expense(95.4)(28.1)(28.3)(7.7)(176.9)43.2 (293.2)
Interest Income24.8 5.8 0.2 — 43.2 (43.2)30.8 
Other Income, Net39.3 8.9 9.6 1.4 433.9 (428.5)64.6 
Income Tax (Expense)/Benefit(46.6)(14.5)(74.6)1.4 23.7 — (110.6)
Net Income162.7 35.3 208.7 14.4 362.0 (428.5)354.6 
Net Income Attributable to Noncontrolling Interests(1.2)— (0.7)— — — (1.9)
Net Income Attributable to Common Shareholders$161.5 $35.3 $208.0 $14.4 $362.0 $(428.5)$352.7 
For the Six Months Ended June 30, 2025
Eversource
(Millions of Dollars)
Electric DistributionNatural Gas DistributionElectric TransmissionWater DistributionOtherEliminationsTotal
Operating Revenues$4,944.1 $1,602.1 $1,116.5 $111.3 $844.9 $(1,662.5)$6,956.4 
Depreciation and Amortization(830.6)(162.1)(216.3)(23.0)(104.1)6.3 (1,329.8)
Operations and Maintenance (1)
   Operations, Excluding Storm Costs(198.1)(87.1)(68.5)
   Corporate Shared Services(222.0)(58.3)(38.7)
   Storm Costs(41.8)— — 
   Employee Benefits(95.8)(35.7)(23.6)
   Uncollectible Expense(84.8)(43.4)— 
   Other(67.3)(2.9)(29.2)
Total Operations and Maintenance(709.8)(227.4)(160.0)(46.1)(662.4)850.7 (955.0)
Purchased Power, Purchased Natural Gas and Transmission, Other Taxes and Energy Efficiency (2)
(2,888.4)(840.7)(142.8)(13.4)(2.4)805.5 (3,082.2)
Operating Income515.3 371.9 597.4 28.8 76.0 — 1,589.4 
Interest Expense(186.5)(56.5)(66.8)(15.5)(355.3)86.6 (594.0)
Interest Income52.1 12.4 0.3 — 86.6 (86.6)64.8 
Other Income, Net74.6 14.5 21.6 2.2 1,059.6 (1,049.6)122.9 
Income Tax (Expense)/Benefit(103.2)(88.6)(143.5)2.4 57.1 — (275.8)
Net Income352.3 253.7 409.0 17.9 924.0 (1,049.6)907.3 
Net Income Attributable to Noncontrolling Interests(2.3)— (1.5)— — — (3.8)
Net Income Attributable to Common Shareholders$350.0 $253.7 $407.5 $17.9 $924.0 $(1,049.6)$903.5 
Cash Flows Used for Investments in Plant$983.2 $372.5 $505.7 $68.1 $119.9 $— $2,049.4 
For the Three Months Ended June 30, 2024
Eversource
(Millions of Dollars)
Electric
Distribution		Natural Gas
Distribution		Electric
Transmission		Water DistributionOtherEliminationsTotal
Operating Revenues$1,966.3 $393.5 $534.1 $57.5 $395.2 $(813.1)$2,533.5 
Depreciation and Amortization(34.9)(50.1)(98.8)(10.8)(48.5)2.7 (240.4)
Operations and Maintenance (1)
   Operations, Excluding Storm Costs(109.9)(39.4)(34.4)
   Corporate Shared Services(104.9)(26.1)(16.8)
   Storm Costs(17.2)— — 
   Employee Benefits(40.7)(15.9)(10.3)
   Uncollectible Expense(39.6)(6.4)— 
   Other(38.1)(8.2)(18.1)
Total Operations and Maintenance(350.4)(96.0)(79.6)(24.6)(312.3)398.5 (464.4)
Purchased Power, Purchased Natural Gas and Transmission, Other Taxes and Energy Efficiency (2)
(1,363.2)(199.2)(67.5)(6.3)(1.9)411.9 (1,226.2)
Operating Income217.8 48.2 288.2 15.8 32.5 — 602.5 
Interest Expense(90.9)(22.3)(46.0)(9.7)(161.0)58.6 (271.3)
Interest Income31.9 5.1 0.1 — 58.6 (58.6)37.1 
Other Income, Net35.1 5.8 12.1 0.6 414.9 (390.3)78.2 
Income Tax (Expense)/Benefit(43.0)(9.7)(64.7)1.3 6.8 — (109.3)
Net Income150.9 27.1 189.7 8.0 351.8 (390.3)337.2 
Net Income Attributable to Noncontrolling Interests(1.2)— (0.7)— — — (1.9)
Net Income Attributable to Common Shareholders$149.7 $27.1 $189.0 $8.0 $351.8 $(390.3)$335.3 
For the Six Months Ended June 30, 2024
Eversource
(Millions of Dollars)
Electric
Distribution		Natural Gas
Distribution		Electric
Transmission		Water DistributionOtherEliminationsTotal
Operating Revenues$4,228.0 $1,299.5 $1,041.9 $107.7 $838.8 $(1,649.8)$5,866.1 
Depreciation and Amortization(144.6)(133.2)(199.8)(11.5)(94.1)5.2 (578.0)
Operations and Maintenance (1)
   Operations, Excluding Storm Costs(221.6)(82.1)(67.4)
   Corporate Shared Services(217.4)(53.1)(36.3)
   Storm Costs(43.6)— — 
   Employee Benefits(85.5)(33.2)(22.5)
   Uncollectible Expense(74.9)(22.5)— 
   Other(55.5)(11.2)(33.8)
Total Operations and Maintenance(698.5)(202.1)(160.0)(50.1)(660.9)844.2 (927.4)
Purchased Power, Purchased Natural Gas and Transmission, Other Taxes and Energy Efficiency (2)
(2,920.2)(647.7)(129.0)(12.9)(2.8)800.4 (2,912.2)
Operating Income464.7 316.5 553.1 33.2 81.0 — 1,448.5 
Interest Expense(173.4)(46.8)(86.9)(21.1)(307.2)113.3 (522.1)
Interest Income56.3 10.6 0.1 — 113.3 (113.2)67.1 
Other Income, Net67.2 10.4 26.2 2.3 982.9 (949.8)139.2 
Income Tax Expense(94.6)(73.1)(125.3)(1.0)22.3 — (271.7)
Net Income320.2 217.6 367.2 13.4 892.3 (949.7)861.0 
Net Income Attributable to Noncontrolling Interests(2.3)— (1.5)— — — (3.8)
Net Income Attributable to Common Shareholders$317.9 $217.6 $365.7 $13.4 $892.3 $(949.7)$857.2 
Cash Flows Used for Investments in Plant$883.6 $467.9 $668.1 $75.7 $125.6 $— $2,220.9 

(1)    The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker. Costs of the operations organization include labor and overtime, outside services, vehicles, vegetation management, employee expenses, fees and payments, regulatory assessments, and materials, partially offset by reimbursements. Corporate shared services include corporate centralized functions. Costs within these corporate functions primarily include labor, services by vendors, fees and payments, insurance, and regulatory assessments. Other includes information technology system depreciation at Eversource Service charged to the operating businesses, as well as storm funding, capitalization and various other corporate costs. The segment-level operating expense for information technology system depreciation is eliminated and reflected in depreciation in Eversource’s consolidation.

For the water distribution segment, the chief operating decision maker is provided with total operations and maintenance expense information to manage its operations. Operations and maintenance expenses primarily include employee costs, benefits, and outside services.
(2)    Other segment line items for the electric distribution, electric transmission and natural gas distribution segments primarily include purchased power, purchased natural gas and transmission, taxes other than income taxes including property, payroll-related and Connecticut gross earnings taxes, and energy efficiency program expenses. Other segment line items for the water distribution business primarily include taxes other than income taxes.

The following table summarizes Eversource's segmented total assets:
Eversource
(Millions of Dollars)
Electric
Distribution		Natural Gas
Distribution		Electric
Transmission		Water DistributionOtherEliminationsTotal
As of June 30, 2025$32,973.2 $10,092.5 $16,679.4 $2,568.4 $28,405.2 $(29,762.6)$60,956.1 
As of December 31, 202432,031.9 9,786.7 16,070.9 2,515.8 29,041.1 (29,851.9)59,594.5