| Cash Flow | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Net income | 97,489 | 113,319 | NaN | NaN |
| Depreciation | 44,134 | 165,506 | NaN | NaN |
| Amortization | 6,131 | 24,239 | NaN | NaN |
| Deferred income taxes | 24,998 | 35,473 | NaN | NaN |
| Qualified defined benefit pension plan expense | 2,307 | 10,357 | NaN | NaN |
| Contributions to qualified defined benefit pension plans | 2,900 | 11,310 | NaN | NaN |
| Deferred environmental expenditures, net | -6,079 | -25,697 | NaN | NaN |
| Environmental remediation expense | 6,325 | 14,623 | NaN | NaN |
| Asset optimization revenue sharing bill credits | -23,156 | -15,549 | NaN | NaN |
| Regulatory disallowance of line extension allowances | NaN | 0 | NaN | NaN |
| Other | -4,207 | -12,670 | NaN | NaN |
| Receivables, net | -21,656 | -8,170 | NaN | NaN |
| Inventories | 7,598 | 29,195 | NaN | NaN |
| Income and other taxes | 13,408 | -5,873 | NaN | NaN |
| Accounts payable | -31,219 | 10,115 | NaN | NaN |
| Deferred gas costs | 29,651 | 34,201 | NaN | NaN |
| Asset optimization revenue sharing | -4,297 | -24,343 | NaN | NaN |
| Decoupling mechanism | 15,803 | 26,939 | NaN | NaN |
| Cloud-based software | 2,490 | 10,381 | NaN | NaN |
| Regulatory accounts | -13,208 | -6,575 | NaN | NaN |
| Rng facility prepayment | NaN | 0 | NaN | NaN |
| Other, net | 3,137 | -2,879 | NaN | NaN |
| Cash provided by operating activities | 116,127 | 3,272 | 265,852 | NaN |
| Capital expenditures | 113,656 | 134,241 | 332,652 | NaN |
| Acquisitions, net of cash acquired | 0 | 6,803 | 331,328 | NaN |
| Purchase of equity method investment | 1,000 | 0 | 1,000 | NaN |
| Cash provided by operating activities-Northwest Natural Gas Company | NaN | NaN | 276,419 | NaN |
| Other | 1,397 | 378 | 2,500 | NaN |
| Cash contributions received from parent-Northwest Natural Gas Company | NaN | NaN | 135,000 | NaN |
| Long-term debt retired-Northwest Natural Gas Company | NaN | NaN | 20,000 | NaN |
| Changes in other short-term debt, net-Northwest Natural Gas Company | NaN | NaN | -72,232 | NaN |
| Capital expenditures | NaN | NaN | 262,698 | NaN |
| Capital expenditures-Northwest Natural Gas Company | NaN | NaN | 262,698 | NaN |
| Cash dividend payments on common stock-Northwest Natural Gas Company | NaN | NaN | 57,573 | NaN |
| Other | NaN | NaN | 2,289 | NaN |
| Other-Northwest Natural Gas Company | NaN | NaN | 2,289 | NaN |
| Shares withheld for tax purposes-Northwest Natural Gas Company | NaN | NaN | 1,591 | NaN |
| Cash used in investing activities-Northwest Natural Gas Company | NaN | NaN | -264,987 | NaN |
| Cash used by investing activities | -116,053 | -141,422 | -667,480 | NaN |
| Other-Northwest Natural Gas Company | NaN | NaN | -598 | NaN |
| Proceeds from common stock issued, net | 22,264 | -151 | 47,569 | NaN |
| Proceeds from common stock issued, net | NaN | NaN | 47,569 | NaN |
| Long-term debt retired | NaN | NaN | 172,959 | NaN |
| Changes in other short-term debt, net | NaN | NaN | 20,380 | NaN |
| Cash dividend payments on common stock | NaN | NaN | 57,586 | NaN |
| Payment of financing fees | NaN | NaN | 6,075 | NaN |
| Shares withheld for tax purposes | NaN | NaN | 1,591 | NaN |
| Other | NaN | NaN | -262 | NaN |
| Cash contributions received from parent-Northwest Natural Gas Company | NaN | NaN | 135,000 | NaN |
| Long-term debt issued | 0 | 200,000 | 560,000 | NaN |
| Long-term debt retired-Northwest Natural Gas Company | NaN | NaN | 20,000 | NaN |
| Long-term debt retired | 121 | 10,168 | 172,959 | NaN |
| Changes in other short-term debt, net-Northwest Natural Gas Company | NaN | NaN | -72,232 | NaN |
| Changes in other short-term debt, net | -713 | -23,501 | 20,380 | NaN |
| Cash dividend payments on common stock-Northwest Natural Gas Company | NaN | NaN | 57,573 | NaN |
| Cash dividend payments on common stock | 19,775 | 19,723 | 57,586 | NaN |
| Shares withheld for tax purposes-Northwest Natural Gas Company | NaN | NaN | 1,591 | NaN |
| Payment of financing fees | 54 | 3,117 | 6,075 | NaN |
| Other-Northwest Natural Gas Company | NaN | NaN | -598 | NaN |
| Shares withheld for tax purposes | 1,988 | 8 | 1,591 | NaN |
| Long-term debt issued | NaN | NaN | 560,000 | NaN |
| Other | -392 | 65 | -262 | NaN |
| Cash provided by financing activities-Northwest Natural Gas Company | NaN | NaN | -16,994 | NaN |
| Cash (used in) provided by financing activities | -779 | 143,397 | 389,476 | NaN |
| (decrease) increase in cash, cash equivalents and restricted cash | -705 | 5,247 | -12,152 | NaN |
| Cash, cash equivalents and restricted cash, beginning of period | 41,077 | 35,830 | 47,982 | NaN |
| Increase (decrease) in cash, cash equivalents and restricted cash | NaN | NaN | NaN | 57,499 |
| Cash, cash equivalents and restricted cash, end of period | 40,372 | 41,077 | 35,830 | NaN |
Northwest Natural Holding Co (NWN)
Northwest Natural Holding Co (NWN)