| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Operating Activities: |
|---|
| Net Income | $138,353 | $148,416 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Used In Operating Activities: |
|---|
| Depreciation | 98,445 | 92,237 |
|---|
| Deferred Income Taxes | 91,630 | 94,267 |
|---|
| Uncollectible Expense | 3,507 | 3,876 |
|---|
| Pension, SERP, and PBOP Income, Net | (3,557) | (4,461) |
|---|
| Regulatory Under Recoveries, Net | (139,979) | (110,114) |
|---|
| Amortization of Regulatory Liabilities, Net | (91,713) | (122,315) |
|---|
| Cost of Removal Expenditures | (17,675) | (13,011) |
|---|
| Other | (32,174) | (13,964) |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | (80,396) | (76,482) |
|---|
| Taxes Receivable/Accrued, Net | 66,015 | 52,261 |
|---|
| Accounts Payable | (20,613) | (110,926) |
|---|
| Other Current Assets and Liabilities, Net | (38,466) | (13,412) |
|---|
| Net Cash Flows Used In Operating Activities | (26,623) | (73,628) |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (285,888) | (255,905) |
|---|
| Other Investing Activities | — | 126 |
|---|
| Net Cash Flows Used in Investing Activities | (285,888) | (255,779) |
|---|
| Financing Activities: |
|---|
| Cash Dividends on Common Stock | (82,500) | (82,600) |
|---|
| Cash Dividends on Preferred Stock | (1,390) | (1,390) |
|---|
| Capital Contributions from Eversource Parent | 100,000 | — |
|---|
| Issuance of Long-Term Debt | 350,000 | 500,000 |
|---|
| Retirement of Long-Term Debt | — | (400,000) |
|---|
| (Decrease)/Increase in Notes Payable to Eversource Parent | (30,900) | 318,000 |
|---|
| Other Financing Activities | (3,887) | (6,521) |
|---|
| Net Cash Flows Provided by Financing Activities | 331,323 | 327,489 |
|---|
| Net Increase/(Decrease) in Cash and Restricted Cash | 18,812 | (1,918) |
|---|
| Cash and Restricted Cash - Beginning of Period | 12,243 | 20,327 |
|---|
| Cash and Restricted Cash - End of Period | $31,055 | $18,409 |
|---|
| (Thousands of Dollars) | As of March 31, 2024 | As of December 31, 2023 |
|---|
| ASSETS |
|---|
| Current Assets: |
|---|
| Cash | $20,226 | $6,740 |
|---|
| Receivables, Net (net of allowance for uncollectible accounts of $97,653 and $97,026 as of March 31, 2024 and December 31, 2023, respectively) | 545,961 | 487,707 |
|---|
| Accounts Receivable from Affiliated Companies | 74,263 | 74,634 |
|---|
| Unbilled Revenues | 47,999 | 49,897 |
|---|
| Materials, Supplies and REC Inventory | 210,993 | 173,770 |
|---|
| Regulatory Assets | 718,726 | 676,083 |
|---|
| Prepayments and Other Current Assets | 65,926 | 41,464 |
|---|
| Total Current Assets | 1,684,094 | 1,510,295 |
|---|
| Property, Plant and Equipment, Net | 13,040,321 | 12,753,787 |
|---|
| Deferred Debits and Other Assets: |
|---|
| Regulatory Assets | 1,322,249 | 1,281,836 |
|---|
| Prepaid Pension and PBOP | 629,131 | 608,617 |
|---|
| Other Long-Term Assets | 125,196 | 116,978 |
|---|
| Total Deferred Debits and Other Assets | 2,076,576 | 2,007,431 |
|---|
| Total Assets | $16,800,991 | $16,271,513 |
|---|
| LIABILITIES AND CAPITALIZATION |
|---|
| Current Liabilities: |
|---|
| Notes Payable | $419,000 | $365,847 |
|---|
| Accounts Payable | 486,110 | 599,696 |
|---|
| Accounts Payable to Affiliated Companies | 215,751 | 144,622 |
|---|
| Obligations to Third Party Suppliers | 162,414 | 139,823 |
|---|
| Renewable Portfolio Standards Compliance Obligations | 142,193 | 116,010 |
|---|
| Regulatory Liabilities | 405,190 | 368,070 |
|---|
| Other Current Liabilities | 86,460 | 84,688 |
|---|
| Total Current Liabilities | 1,917,118 | 1,818,756 |
|---|
| Deferred Credits and Other Liabilities: |
|---|
| Accumulated Deferred Income Taxes | 1,892,041 | 1,849,613 |
|---|
| Regulatory Liabilities | 1,603,079 | 1,585,311 |
|---|
| Other Long-Term Liabilities | 334,530 | 327,388 |
|---|
| Total Deferred Credits and Other Liabilities | 3,829,650 | 3,762,312 |
|---|
| Long-Term Debt | 4,497,954 | 4,496,947 |
|---|
| Preferred Stock Not Subject to Mandatory Redemption | 43,000 | 43,000 |
|---|
| Common Stockholder's Equity: |
|---|
| Common Stock | — | — |
|---|
| Capital Surplus, Paid In | 3,313,842 | 3,013,842 |
|---|
| Retained Earnings | 3,199,399 | 3,136,612 |
|---|
| Accumulated Other Comprehensive Income | 28 | 44 |
|---|
| Common Stockholder's Equity | 6,513,269 | 6,150,498 |
|---|
| Commitments and Contingencies (Note 9) |
|---|
| Total Liabilities and Capitalization | $16,800,991 | $16,271,513 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Operating Revenues | $947,615 | $956,283 |
|---|
| Operating Expenses: |
|---|
| Purchased Power and Transmission | 273,305 | 360,925 |
|---|
| Operations and Maintenance | 173,672 | 166,083 |
|---|
| Depreciation | 96,922 | 90,430 |
|---|
| Amortization of Regulatory Assets, Net | 48,392 | 22,785 |
|---|
| Energy Efficiency Programs | 82,301 | 86,217 |
|---|
| Taxes Other Than Income Taxes | 60,010 | 53,510 |
|---|
| Total Operating Expenses | 734,602 | 779,950 |
|---|
| Operating Income | 213,013 | 176,333 |
|---|
| Interest Expense | 49,423 | 44,865 |
|---|
| Other Income, Net | 47,114 | 39,873 |
|---|
| Income Before Income Tax Expense | 210,704 | 171,341 |
|---|
| Income Tax Expense | 50,727 | 37,528 |
|---|
| Net Income | $159,977 | $133,813 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Net Income | $159,977 | $133,813 |
|---|
| Other Comprehensive Loss, Net of Tax: |
|---|
| Changes in Funded Status of SERP Benefit Plan | (21) | (33) |
|---|
| Qualified Cash Flow Hedging Instruments | 5 | 5 |
|---|
| Changes in Unrealized Gains on Marketable Securities | — | 12 |
|---|
| Other Comprehensive Loss, Net of Tax | (16) | (16) |
|---|
| Comprehensive Income | $159,961 | $133,797 |
|---|
CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDER'S EQUITY
| 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, 2023 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · AccumulatedOtherComprehensiveIncome · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2023 | 200 | $— | | $2,778,942 | | $2,921,444 | $284 | $5,700,670 |
|---|
| Net Income | | 133,813 | | 133,813 | |
|---|
| Dividends on Preferred Stock | | (490) | | (490) | |
|---|
| Dividends on Common Stock | | (327,400) | | (327,400) | |
|---|
| Capital Contributions from Eversource Parent | | 31,300 | | 31,300 | |
|---|
| Other Comprehensive Loss | | (16) | (16) | |
|---|
| Balance as of March 31, 2023 | 200 | $— | | $2,810,242 | | $2,727,367 | $268 | $5,537,877 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Operating Activities: |
|---|
| Net Income | $159,977 | $133,813 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities: |
|---|
| Depreciation | 96,922 | 90,430 |
|---|
| Deferred Income Taxes | 31,812 | 44,403 |
|---|
| Uncollectible Expense | 6,109 | 4,697 |
|---|
| Pension, SERP and PBOP Income, Net | (8,954) | (9,886) |
|---|
| Regulatory Under Recoveries, Net | (85,422) | (58,000) |
|---|
| Amortization of Regulatory Assets, Net | 48,392 | 22,785 |
|---|
| Cost of Removal Expenditures | (11,715) | (12,893) |
|---|
| Other | (12,395) | (9,921) |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | (74,262) | (90,684) |
|---|
| Taxes Receivable/Accrued, Net | (18,223) | 11,977 |
|---|
| Accounts Payable | 13,088 | 20,249 |
|---|
| Other Current Assets and Liabilities, Net | 7,316 | (6,185) |
|---|
| Net Cash Flows Provided by Operating Activities | 152,645 | 140,785 |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (394,895) | (318,673) |
|---|
| Other Investing Activities | — | 35 |
|---|
| Net Cash Flows Used in Investing Activities | (394,895) | (318,638) |
|---|
| Financing Activities: |
|---|
| Cash Dividends on Common Stock | (96,700) | (327,400) |
|---|
| Cash Dividends on Preferred Stock | (490) | (490) |
|---|
| Capital Contributions from Eversource Parent | 300,000 | 31,300 |
|---|
| Increase in Notes Payable | 53,153 | 147,500 |
|---|
| Other Financing Activities | 5 | 5 |
|---|
| Net Cash Flows Provided by/(Used In) Financing Activities | 255,968 | (149,085) |
|---|
| Net Increase/(Decrease) in Cash and Restricted Cash | 13,718 | (326,938) |
|---|
| Cash and Restricted Cash - Beginning of Period | 22,785 | 345,293 |
|---|
| Cash and Restricted Cash - End of Period | $36,503 | $18,355 |
|---|
| (Thousands of Dollars) | As of March 31, 2024 | As of December 31, 2023 |
|---|
| ASSETS |
|---|
| Current Assets: |
|---|
| Cash | $14,067 | $240 |
|---|
| Receivables, Net (net of allowance for uncollectible accounts of $13,812 and $14,322 as of March 31, 2024 and December 31, 2023, respectively) | 146,327 | 152,276 |
|---|
| Accounts Receivable from Affiliated Companies | 21,732 | 18,214 |
|---|
| Unbilled Revenues | 45,108 | 55,012 |
|---|
| Taxes Receivable | 33,534 | 27,146 |
|---|
| Materials, Supplies and REC Inventory | 79,846 | 77,066 |
|---|
| Regulatory Assets | 188,057 | 189,450 |
|---|
| Special Deposits | 17,065 | 31,586 |
|---|
| Prepayments | 5,291 | 18,489 |
|---|
| Total Current Assets | 551,027 | 569,479 |
|---|
| Property, Plant and Equipment, Net | 4,707,625 | 4,574,652 |
|---|
| Deferred Debits and Other Assets: |
|---|
| Regulatory Assets | 811,457 | 773,783 |
|---|
| Prepaid Pension and PBOP | 64,019 | 58,979 |
|---|
| Other Long-Term Assets | 16,062 | 16,558 |
|---|
| Total Deferred Debits and Other Assets | 891,538 | 849,320 |
|---|
| Total Assets | $6,150,190 | $5,993,451 |
|---|
| LIABILITIES AND CAPITALIZATION |
|---|
| Current Liabilities: |
|---|
| Notes Payable to Eversource Parent | $— | $233,000 |
|---|
| Rate Reduction Bonds – Current Portion | 43,210 | 43,210 |
|---|
| Accounts Payable | 212,844 | 205,744 |
|---|
| Accounts Payable to Affiliated Companies | 57,836 | 41,272 |
|---|
| Regulatory Liabilities | 86,141 | 117,515 |
|---|
| Other Current Liabilities | 63,096 | 72,328 |
|---|
| Total Current Liabilities | 463,127 | 713,069 |
|---|
| Deferred Credits and Other Liabilities: |
|---|
| Accumulated Deferred Income Taxes | 724,212 | 691,532 |
|---|
| Regulatory Liabilities | 389,427 | 393,574 |
|---|
| Other Long-Term Liabilities | 42,793 | 42,484 |
|---|
| Total Deferred Credits and Other Liabilities | 1,156,432 | 1,127,590 |
|---|
| Long-Term Debt | 1,682,679 | 1,431,591 |
|---|
| Rate Reduction Bonds | 345,677 | 367,282 |
|---|
| Common Stockholder's Equity: |
|---|
| Common Stock | — | — |
|---|
| Capital Surplus, Paid In | 1,798,134 | 1,698,134 |
|---|
| Retained Earnings | 704,141 | 655,785 |
|---|
| Common Stockholder's Equity | 2,502,275 | 2,353,919 |
|---|
| Commitments and Contingencies (Note 9) |
|---|
| Total Liabilities and Capitalization | $6,150,190 | $5,993,451 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Operating Revenues | $326,116 | $420,155 |
|---|
| Operating Expenses: |
|---|
| Purchased Power and Transmission | 87,938 | 226,685 |
|---|
| Operations and Maintenance | 68,712 | 67,796 |
|---|
| Depreciation | 37,409 | 34,088 |
|---|
| Amortization of Regulatory Assets/(Liabilities), Net | 21,264 | (5,317) |
|---|
| Energy Efficiency Programs | 11,176 | 10,226 |
|---|
| Taxes Other Than Income Taxes | 23,316 | 22,105 |
|---|
| Total Operating Expenses | 249,815 | 355,583 |
|---|
| Operating Income | 76,301 | 64,572 |
|---|
| Interest Expense | 19,194 | 17,542 |
|---|
| Other Income, Net | 7,050 | 5,717 |
|---|
| Income Before Income Tax Expense | 64,157 | 52,747 |
|---|
| Income Tax Expense | 15,801 | 12,451 |
|---|
| Net Income | $48,356 | $40,296 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Net Income | $48,356 | $40,296 |
|---|
| Other Comprehensive Income, Net of Tax: |
|---|
| Changes in Unrealized Gains on Marketable Securities | — | 73 |
|---|
| Other Comprehensive Income, Net of Tax | — | 73 |
|---|
| Comprehensive Income | $48,356 | $40,369 |
|---|
CONDENSED CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDER'S EQUITY
| For the Three Months Ended March 31, 2024 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · AccumulatedOtherComprehensiveLoss · 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, 2023 |
|---|
| Common Stock · CapitalSurplus,Paid In · RetainedEarnings · AccumulatedOtherComprehensive Loss · TotalCommonStockholder'sEquity |
|---|
| (Thousands of Dollars, Except Stock Information) · Stock · Amount |
|---|
| Balance as of January 1, 2023 | 301 | $— | | $1,298,134 | | $572,126 | $(73) | $1,870,187 |
|---|
| Net Income | | 40,296 | | 40,296 | |
|---|
| Dividends on Common Stock | | (28,000) | | (28,000) | |
|---|
| Other Comprehensive Income | | 73 | 73 | |
|---|
| Balance as of March 31, 2023 | 301 | $— | | $1,298,134 | | $584,422 | $— | $1,882,556 |
|---|
| For the Three Months Ended March 31, |
|---|
| (Thousands of Dollars) | 2024 | 2023 |
|---|
| Operating Activities: |
|---|
| Net Income | $48,356 | $40,296 |
|---|
| Adjustments to Reconcile Net Income to Net Cash Flows Provided by/(Used In) Operating Activities: |
|---|
| Depreciation | 37,409 | 34,088 |
|---|
| Deferred Income Taxes | 31,763 | 62,924 |
|---|
| Uncollectible Expense | 1,163 | 5,060 |
|---|
| Pension, SERP and PBOP Income, Net | (2,322) | (2,552) |
|---|
| Regulatory Under Recoveries, Net | (78,464) | (175,865) |
|---|
| Amortization of Regulatory Assets/(Liabilities), Net | 21,264 | (5,317) |
|---|
| Cost of Removal Expenditures | (12,518) | (4,508) |
|---|
| Other | 761 | 1,711 |
|---|
| Changes in Current Assets and Liabilities: |
|---|
| Receivables and Unbilled Revenues, Net | 11,194 | (21,230) |
|---|
| Taxes Receivable/Accrued, Net | (6,387) | (20,195) |
|---|
| Accounts Payable | (1,559) | 10,265 |
|---|
| Other Current Assets and Liabilities, Net | 1,186 | 2,462 |
|---|
| Net Cash Flows Provided by/(Used In) Operating Activities | 51,846 | (72,861) |
|---|
| Investing Activities: |
|---|
| Investments in Property, Plant and Equipment | (148,934) | (133,890) |
|---|
| Other Investing Activities | — | 216 |
|---|
| Net Cash Flows Used in Investing Activities | (148,934) | (133,674) |
|---|
| Financing Activities: |
|---|
| Cash Dividends on Common Stock | — | (28,000) |
|---|
| Capital Contributions from Eversource Parent | 100,000 | — |
|---|
| Issuance of Long-Term Debt | — | 300,000 |
|---|
| Repayment of Rate Reduction Bonds | (21,605) | (21,605) |
|---|
| Increase/(Decrease) in Notes Payable to Eversource Parent | 18,000 | (52,200) |
|---|
| Other Financing Activities | — | (5,460) |
|---|
| Net Cash Flows Provided by Financing Activities | 96,395 | 192,735 |
|---|
| Net Decrease in Cash and Restricted Cash | (693) | (13,800) |
|---|
| Cash and Restricted Cash - Beginning of Period | 35,004 | 36,812 |
|---|
| Cash and Restricted Cash - End of Period | $34,311 | $23,012 |
|---|