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Revenues | 9 Months Ended
--- | ---
Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Revenues | Revenues The following tables disaggregate revenues by major source, timing of revenue recognition, and segment:
|  | Three months ended September 30, 2025 |  | Nine months ended September 30, 2025 |
(in thousands) |  | Electric utility |  | All Other |  | Total |  | Electric utility |  | All Other |  | Total |
Revenues from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |
Electric energy sales - residential |  | $ | 261,780 |  |  | $ | — |  |  | $ | 261,780 |  |  | $ | 735,308 |  |  | $ | — |  |  | $ | 735,308 |  |
Electric energy sales - commercial |  | 251,288 |  |  | — |  |  | 251,288 |  |  | 724,796 |  |  | — |  |  | 724,796 |  |
Electric energy sales - large light and power |  | 278,484 |  |  | — |  |  | 278,484 |  |  | 801,179 |  |  | — |  |  | 801,179 |  |
Electric energy sales - other |  | 4,284 |  |  | — |  |  | 4,284 |  |  | 12,989 |  |  | — |  |  | 12,989 |  |
Other sales |  | — |  |  | 3,158 |  |  | 3,158 |  |  | — |  |  | 11,030 |  |  | 11,030 |  |
Total revenues from contracts with customers |  | 795,836 |  |  | 3,158 |  |  | 798,994 |  |  | 2,274,272 |  |  | 11,030 |  |  | 2,285,302 |  |
Revenues from other sources |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory revenue |  | (17,864) |  |  | — |  |  | (17,864) |  |  | (33,522) |  |  | — |  |  | (33,522) |  |
Other |  | 9,456 |  |  | 24 |  |  | 9,480 |  |  | 27,526 |  |  | 1,766 |  |  | 29,292 |  |
Total revenues from other sources |  | (8,408) |  |  | 24 |  |  | (8,384) |  |  | (5,996) |  |  | 1,766 |  |  | (4,230) |  |
Total revenues |  | $ | 787,428 |  |  | $ | 3,182 |  |  | $ | 790,610 |  |  | $ | 2,268,276 |  |  | $ | 12,796 |  |  | $ | 2,281,072 |  |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues from contracts with customers - services/goods transferred over time |  | $ | 795,836 |  |  | $ | 3,158 |  |  | $ | 798,994 |  |  | $ | 2,274,272 |  |  | $ | 11,030 |  |  | $ | 2,285,302 |  |
|  | Three months ended September 30, 2024 |  | Nine months ended September 30, 2024
(in thousands) |  | Electric utility |  | All Other |  | Total |  | Electric utility |  | All Other |  | Total
Revenues from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |
Electric energy sales - residential |  | $ | 272,541 |  |  | $ | — |  |  | $ | 272,541 |  |  | $ | 758,602 |  |  | $ | — |  |  | $ | 758,602 |
Electric energy sales - commercial |  | 268,538 |  |  | — |  |  | 268,538 |  |  | 761,788 |  |  | — |  |  | 761,788 |
Electric energy sales - large light and power |  | 294,421 |  |  | — |  |  | 294,421 |  |  | 846,448 |  |  | — |  |  | 846,448 |
Electric energy sales - other |  | 4,532 |  |  | — |  |  | 4,532 |  |  | 14,087 |  |  | — |  |  | 14,087 |
Other sales |  | — |  |  | 2,897 |  |  | 2,897 |  |  | — |  |  | 9,167 |  |  | 9,167 |
Total revenues from contracts with customers |  | 840,032 |  |  | 2,897 |  |  | 842,929 |  |  | 2,380,925 |  |  | 9,167 |  |  | 2,390,092 |
Revenues from other sources |  |  |  |  |  |  |  |  |  |  |  |
Regulatory revenue |  | (19,924) |  |  | — |  |  | (19,924) |  |  | 780 |  |  | — |  |  | 780 |
Other |  | 9,509 |  |  | 725 |  |  | 10,234 |  |  | 28,821 |  |  | 977 |  |  | 29,798 |
Total revenues from other sources |  | (10,415) |  |  | 725 |  |  | (9,690) |  |  | 29,601 |  |  | 977 |  |  | 30,578 |
Total revenues |  | $ | 829,617 |  |  | $ | 3,622 |  |  | $ | 833,239 |  |  | $ | 2,410,526 |  |  | $ | 10,144 |  |  | $ | 2,420,670 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |
Total revenues from contracts with customers - services/goods transferred over time |  | $ | 840,032 |  |  | $ | 2,897 |  |  | $ | 842,929 |  |  | $ | 2,380,925 |  |  | $ | 9,167 |  |  | $ | 2,390,092 |
There are no material contract assets or liabilities associated with revenues from contracts with customers existing at December 31, 2024 or as of September 30, 2025. Accounts receivable and unbilled revenues related to contracts with customers represent an unconditional right to consideration since all performance obligations have been satisfied. These amounts are disclosed as accounts receivable and unbilled revenues, net on HEI’s Condensed Consolidated Balance Sheets and customer accounts receivable, net and accrued unbilled revenues, net on Hawaiian Electric’s Condensed Consolidated Balance Sheets. As of September 30, 2025, the Company had no material remaining performance obligations due to the nature of the Company’s contracts with its customers. For the Utilities, performance obligations are fulfilled as electricity is delivered to customers.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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