| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Operating Activities: |
|---|
| Net Income | $156,236 | $138,353 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Provided by/(Used in) Operating Activities: |
|---|
| Depreciation | 106,680 | 98,445 |
|---|
| Deferred Income Taxes | (35,411) | 91,630 |
|---|
| Uncollectible Expense | 4,671 | 3,507 |
|---|
| Pension, SERP, and PBOP Income, Net | (3,614) | (3,557) |
|---|
| Regulatory Under Recoveries, Net | (103,101) | (139,979) |
|---|
| Amortization of Regulatory Assets/(Liabilities), Net | 343,213 | (91,713) |
|---|
| Cost of Removal Expenditures | (16,072) | (17,675) |
|---|
| Other | 826 | (32,174) |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | 4,910 | (80,396) |
|---|
| Taxes Receivable/Accrued, Net | 57,653 | 66,015 |
|---|
| Accounts Payable | (51,626) | (20,613) |
|---|
| Other Current Assets and Liabilities, Net | (41,659) | (38,466) |
|---|
| Net Cash Flows Provided by/(Used in) Operating Activities | 422,706 | (26,623) |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (223,555) | (285,888) |
|---|
| Net Cash Flows Used in Investing Activities | (223,555) | (285,888) |
|---|
| Financing Activities: |
|---|
| Cash Dividends on Common Stock | (247,000) | (82,500) |
|---|
| Cash Dividends on Preferred Stock | (1,390) | (1,390) |
|---|
| Capital Contributions from Eversource Parent | — | 100,000 |
|---|
| Issuance of Long-Term Debt | 400,000 | 350,000 |
|---|
| Decrease in Notes Payable to Eversource Parent | (280,000) | (30,900) |
|---|
| Other Financing Activities | (4,153) | (3,887) |
|---|
| Net Cash Flows (Used in)/Provided by Financing Activities | (132,543) | 331,323 |
|---|
| Net Increase in Cash, Cash Equivalents and Restricted Cash | 66,608 | 18,812 |
|---|
| Cash and Restricted Cash - Beginning of Period | 2,109 | 12,243 |
|---|
| Cash, Cash Equivalents and Restricted Cash - End of Period | $68,717 | $31,055 |
|---|
| (Thousands of Dollars) | As of March 31, 2025 | As of December 31, 2024 |
|---|
| ASSETS |
|---|
| Current Assets: |
|---|
| Cash | $2,907 | $911 |
|---|
| Receivables, Net (net of allowance for uncollectible accounts of $115,971 and $114,910 as of March 31, 2025 and December 31, 2024, respectively) | 589,719 | 614,563 |
|---|
| Accounts Receivable from Affiliated Companies | 148,413 | 82,921 |
|---|
| Unbilled Revenues | 53,743 | 59,079 |
|---|
| Materials, Supplies and REC Inventory | 256,888 | 220,621 |
|---|
| Regulatory Assets | 874,087 | 902,770 |
|---|
| Prepayments and Other Current Assets | 21,041 | 72,986 |
|---|
| Total Current Assets | 1,946,798 | 1,953,851 |
|---|
| Property, Plant and Equipment, Net | 14,352,198 | 14,037,828 |
|---|
| Deferred Debits and Other Assets: |
|---|
| Regulatory Assets | 1,168,754 | 1,204,337 |
|---|
| Prepaid Pension and PBOP | 744,983 | 724,661 |
|---|
| Other Long-Term Assets | 157,582 | 154,571 |
|---|
| Total Deferred Debits and Other Assets | 2,071,319 | 2,083,569 |
|---|
| Total Assets | $18,370,315 | $18,075,248 |
|---|
| LIABILITIES AND CAPITALIZATION |
|---|
| Current Liabilities: |
|---|
| Notes Payable | $108,500 | $504,782 |
|---|
| Long-Term Debt – Current Portion | 250,000 | 250,000 |
|---|
| Accounts Payable | 444,793 | 534,868 |
|---|
| Accounts Payable to Affiliated Companies | 197,249 | 153,672 |
|---|
| Obligations to Third Party Suppliers | 153,910 | 163,711 |
|---|
| Renewable Portfolio Standards Compliance Obligations | 129,172 | 106,399 |
|---|
| Regulatory Liabilities | 497,405 | 436,312 |
|---|
| Other Current Liabilities | 120,906 | 95,798 |
|---|
| Total Current Liabilities | 1,901,935 | 2,245,542 |
|---|
| Deferred Credits and Other Liabilities: |
|---|
| Accumulated Deferred Income Taxes | 2,004,876 | 2,005,439 |
|---|
| Regulatory Liabilities | 1,654,352 | 1,643,079 |
|---|
| Other Long-Term Liabilities | 382,461 | 377,462 |
|---|
| Total Deferred Credits and Other Liabilities | 4,041,689 | 4,025,980 |
|---|
| Long-Term Debt | 5,637,202 | 4,844,920 |
|---|
| Preferred Stock Not Subject to Mandatory Redemption | 43,000 | 43,000 |
|---|
| Common Stockholder's Equity: |
|---|
| Common Stock | — | — |
|---|
| Capital Surplus, Paid In | 3,888,842 | 3,788,842 |
|---|
| Retained Earnings | 2,857,790 | 3,127,105 |
|---|
| Accumulated Other Comprehensive Loss | (143) | (141) |
|---|
| Common Stockholder's Equity | 6,746,489 | 6,915,806 |
|---|
| Commitments and Contingencies (Note 9) |
|---|
| Total Liabilities and Capitalization | $18,370,315 | $18,075,248 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Operating Revenues | $1,014,227 | $947,615 |
|---|
| Operating Expenses: |
|---|
| Purchased Power and Transmission | 308,946 | 273,305 |
|---|
| Operations and Maintenance | 174,137 | 173,672 |
|---|
| Depreciation | 108,014 | 96,922 |
|---|
| Amortization of Regulatory Assets, Net | 52,284 | 48,392 |
|---|
| Energy Efficiency Programs | 63,438 | 82,301 |
|---|
| Taxes Other Than Income Taxes | 75,839 | 60,010 |
|---|
| Total Operating Expenses | 782,658 | 734,602 |
|---|
| Operating Income | 231,569 | 213,013 |
|---|
| Interest Expense | 59,220 | 49,423 |
|---|
| Other Income, Net | 46,292 | 47,114 |
|---|
| Income Before Income Tax Expense | 218,641 | 210,704 |
|---|
| Income Tax Expense | 51,466 | 50,727 |
|---|
| Net Income | $167,175 | $159,977 |
|---|
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Net Income | $167,175 | $159,977 |
|---|
| Other Comprehensive Loss, Net of Tax: |
|---|
| Changes in Funded Status of SERP Benefit Plan | (7) | (21) |
|---|
| Qualified Cash Flow Hedging Instruments | 5 | 5 |
|---|
| Other Comprehensive Loss, Net of Tax | (2) | (16) |
|---|
| Comprehensive Income | $167,173 | $159,961 |
|---|
CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDER'S EQUITY
| For the Three Months Ended March 31, 2025 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · AccumulatedOtherComprehensiveLoss · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2025 | 200 | $— | | $3,788,842 | | $3,127,105 | $(141) | $6,915,806 |
|---|
| Net Income | | 167,175 | | 167,175 | |
|---|
| Dividends on Preferred Stock | | (490) | | (490) | |
|---|
| Dividends on Common Stock | | (436,000) | | (436,000) | |
|---|
| Capital Contributions from Eversource Parent | | 100,000 | | 100,000 | |
|---|
| Other Comprehensive Loss | | (2) | (2) | |
|---|
| Balance as of March 31, 2025 | 200 | $— | | $3,888,842 | | $2,857,790 | $(143) | $6,746,489 |
|---|
| For the Three Months Ended March 31, 2024 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · AccumulatedOtherComprehensiveIncome · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2024 | 200 | $— | | $3,013,842 | | $3,136,612 | $44 | $6,150,498 |
|---|
| Net Income | | 159,977 | | 159,977 | |
|---|
| Dividends on Preferred Stock | | (490) | | (490) | |
|---|
| Dividends on Common Stock | | (96,700) | | (96,700) | |
|---|
| Capital Contributions from Eversource Parent | | 300,000 | | 300,000 | |
|---|
| Other Comprehensive Loss | | (16) | (16) | |
|---|
| Balance as of March 31, 2024 | 200 | $— | | $3,313,842 | | $3,199,399 | $28 | $6,513,269 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Operating Activities: |
|---|
| Net Income | $167,175 | $159,977 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities: |
|---|
| Depreciation | 108,014 | 96,922 |
|---|
| Deferred Income Taxes | (10,197) | 31,812 |
|---|
| Uncollectible Expense | 7,485 | 6,109 |
|---|
| Pension, SERP and PBOP Income, Net | (10,161) | (8,954) |
|---|
| Regulatory Over/(Under) Recoveries, Net | 78,429 | (85,422) |
|---|
| Amortization of Regulatory Assets, Net | 52,284 | 48,392 |
|---|
| Cost of Removal Expenditures | (16,903) | (11,715) |
|---|
| Other | (7,333) | (12,395) |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | (114,975) | (74,262) |
|---|
| Taxes Receivable/Accrued, Net | 78,295 | (18,223) |
|---|
| Accounts Payable | 3,771 | 13,088 |
|---|
| Other Current Assets and Liabilities, Net | (24,456) | 7,316 |
|---|
| Net Cash Flows Provided by Operating Activities | 311,428 | 152,645 |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (367,462) | (394,895) |
|---|
| Net Cash Flows Used in Investing Activities | (367,462) | (394,895) |
|---|
| Financing Activities: |
|---|
| Cash Dividends on Common Stock | (436,000) | (96,700) |
|---|
| Cash Dividends on Preferred Stock | (490) | (490) |
|---|
| Issuance of Long-Term Debt | 800,000 | — |
|---|
| Capital Contributions from Eversource Parent | 100,000 | 300,000 |
|---|
| (Decrease)/Increase in Notes Payable | (396,282) | 53,153 |
|---|
| Other Financing Activities | (9,114) | 5 |
|---|
| Net Cash Flows Provided by Financing Activities | 58,114 | 255,968 |
|---|
| Net Increase in Cash and Restricted Cash | 2,080 | 13,718 |
|---|
| Cash and Restricted Cash - Beginning of Period | 9,023 | 22,785 |
|---|
| Cash and Restricted Cash - End of Period | $11,103 | $36,503 |
|---|
| (Thousands of Dollars) | As of March 31, 2025 | As of December 31, 2024 |
|---|
| ASSETS |
|---|
| Current Assets: |
|---|
| Cash | $4,397 | $1,431 |
|---|
| Receivables, Net (net of allowance for uncollectible accounts of $14,299 and $14,090 as of March 31, 2025 and December 31, 2024, respectively) | 172,444 | 163,063 |
|---|
| Accounts Receivable from Affiliated Companies | 29,783 | 27,285 |
|---|
| Unbilled Revenues | 47,933 | 57,226 |
|---|
| Materials, Supplies and REC Inventory | 71,395 | 75,778 |
|---|
| Regulatory Assets | 153,635 | 173,267 |
|---|
| Special Deposits | 22,566 | 32,668 |
|---|
| Prepayments and Other Current Assets | 7,042 | 15,916 |
|---|
| Total Current Assets | 509,195 | 546,634 |
|---|
| Property, Plant and Equipment, Net | 5,188,357 | 5,089,943 |
|---|
| Deferred Debits and Other Assets: |
|---|
| Regulatory Assets | 894,369 | 892,411 |
|---|
| Prepaid Pension and PBOP | 95,077 | 91,005 |
|---|
| Other Long-Term Assets | 22,170 | 21,948 |
|---|
| Total Deferred Debits and Other Assets | 1,011,616 | 1,005,364 |
|---|
| Total Assets | $6,709,168 | $6,641,941 |
|---|
| LIABILITIES AND CAPITALIZATION |
|---|
| Current Liabilities: |
|---|
| Notes Payable to Eversource Parent | $114,500 | $131,100 |
|---|
| Rate Reduction Bonds – Current Portion | 43,210 | 43,210 |
|---|
| Accounts Payable | 184,814 | 226,074 |
|---|
| Accounts Payable to Affiliated Companies | 58,998 | 45,141 |
|---|
| Regulatory Liabilities | 103,097 | 121,058 |
|---|
| Other Current Liabilities | 84,601 | 92,018 |
|---|
| Total Current Liabilities | 589,220 | 658,601 |
|---|
| Deferred Credits and Other Liabilities: |
|---|
| Accumulated Deferred Income Taxes | 794,481 | 781,559 |
|---|
| Regulatory Liabilities | 400,903 | 394,982 |
|---|
| Other Long-Term Liabilities | 41,630 | 43,859 |
|---|
| Total Deferred Credits and Other Liabilities | 1,237,014 | 1,220,400 |
|---|
| Long-Term Debt | 1,732,386 | 1,732,066 |
|---|
| Rate Reduction Bonds | 302,467 | 324,072 |
|---|
| Common Stockholder's Equity: |
|---|
| Common Stock | — | — |
|---|
| Capital Surplus, Paid In | 1,973,134 | 1,898,134 |
|---|
| Retained Earnings | 874,947 | 808,668 |
|---|
| Common Stockholder's Equity | 2,848,081 | 2,706,802 |
|---|
| Commitments and Contingencies (Note 9) |
|---|
| Total Liabilities and Capitalization | $6,709,168 | $6,641,941 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Operating Revenues | $347,981 | $326,116 |
|---|
| Operating Expenses: |
|---|
| Purchased Power and Transmission | 80,007 | 87,938 |
|---|
| Operations and Maintenance | 71,009 | 68,712 |
|---|
| Depreciation | 40,502 | 37,409 |
|---|
| Amortization of Regulatory Assets, Net | 20,835 | 21,264 |
|---|
| Energy Efficiency Programs | 12,202 | 11,176 |
|---|
| Taxes Other Than Income Taxes | 25,789 | 23,316 |
|---|
| Total Operating Expenses | 250,344 | 249,815 |
|---|
| Operating Income | 97,637 | 76,301 |
|---|
| Interest Expense | 20,569 | 19,194 |
|---|
| Other Income, Net | 10,758 | 7,050 |
|---|
| Income Before Income Tax Expense | 87,826 | 64,157 |
|---|
| Income Tax Expense | 21,547 | 15,801 |
|---|
| Net Income | $66,279 | $48,356 |
|---|
CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDER'S EQUITY
| For the Three Months Ended March 31, 2025 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2025 | 301 | $— | | $1,898,134 | $808,668 | $2,706,802 |
|---|
| Net Income | | 66,279 | 66,279 | |
|---|
| Capital Contributions from Eversource Parent | | 75,000 | | 75,000 | |
|---|
| Balance as of March 31, 2025 | 301 | $— | | $1,973,134 | $874,947 | $2,848,081 |
|---|
| For the Three Months Ended March 31, 2024 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2024 | 301 | $— | | $1,698,134 | $655,785 | $2,353,919 |
|---|
| Net Income | | 48,356 | 48,356 | |
|---|
| Capital Contributions from Eversource Parent | | 100,000 | | 100,000 | |
|---|
| Balance as of March 31, 2024 | 301 | $— | | $1,798,134 | $704,141 | $2,502,275 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2025 | 2024 |
|---|
| Operating Activities: |
|---|
| Net Income | $66,279 | $48,356 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities: |
|---|
| Depreciation | 40,502 | 37,409 |
|---|
| Deferred Income Taxes | 11,127 | 31,763 |
|---|
| Uncollectible Expense | 1,315 | 1,163 |
|---|
| Pension, SERP and PBOP Income, Net | (2,211) | (2,322) |
|---|
| Regulatory Under Recoveries, Net | (35,625) | (78,464) |
|---|
| Amortization of Regulatory Assets, Net | 20,835 | 21,264 |
|---|
| Cost of Removal Expenditures | (5,894) | (12,518) |
|---|
| Other | (4,195) | 761 |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | (6,051) | 11,194 |
|---|
| Taxes Receivable/Accrued, Net | (3,018) | (6,387) |
|---|
| Accounts Payable | 7,498 | (1,559) |
|---|
| Other Current Assets and Liabilities, Net | 8,856 | 1,186 |
|---|
| Net Cash Flows Provided by Operating Activities | 99,418 | 51,846 |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (143,315) | (148,934) |
|---|
| Net Cash Flows Used in Investing Activities | (143,315) | (148,934) |
|---|
| Financing Activities: |
|---|
| Capital Contributions from Eversource Parent | 75,000 | 100,000 |
|---|
| Repayment of Rate Reduction Bonds | (21,605) | (21,605) |
|---|
| (Decrease)/Increase in Notes Payable to Eversource Parent | (16,600) | 18,000 |
|---|
| Net Cash Flows Provided by Financing Activities | 36,795 | 96,395 |
|---|
| Net Decrease in Cash and Restricted Cash | (7,102) | (693) |
|---|
| Cash and Restricted Cash - Beginning of Period | 37,243 | 35,004 |
|---|
| Cash and Restricted Cash - End of Period | $30,141 | $34,311 |
|---|