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| | | </entity> |
| | <period> |
| | | <startDate> 2022-08-08 </startDate> |
| | | <endDate> 2022-08-08 </endDate> |
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| | | <identifier scheme="http://www.sec.gov/CIK"> 0000354707 </identifier> |
| | | <segment> |
| <xbrldi:explicitMember dimension="dei:LegalEntityAxis"> he:HawaiianElectricCompanyInc.Member </xbrldi:explicitMember> |
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| | | </entity> |
| | <period> |
| | | <startDate> 2022-08-08 </startDate> |
| | | <endDate> 2022-08-08 </endDate> |
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| <dei:EntityRegistrantName contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6YzdlYzEwM2Y0MGUyNDVhN2JmNzQ3MDk2ODU2YjRiOTMvdGFibGVyYW5nZTpjN2VjMTAzZjQwZTI0NWE3YmY3NDcwOTY4NTZiNGI5M18zLTAtMS0xLTExOTQ5OA_1d74c4f5-d95b-4bb7-840d-ae12c573da0d"> Hawaiian Electric Company, Inc. </dei:EntityRegistrantName> |
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| <dei:EntityTaxIdentificationNumber contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6YzdlYzEwM2Y0MGUyNDVhN2JmNzQ3MDk2ODU2YjRiOTMvdGFibGVyYW5nZTpjN2VjMTAzZjQwZTI0NWE3YmY3NDcwOTY4NTZiNGI5M18zLTItMS0xLTExOTQ5OA_c2e56166-1d7b-44b4-ac5f-384a12e35f48"> 99-0040500 </dei:EntityTaxIdentificationNumber> |
| <dei:EntityIncorporationStateCountryCode contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ0_ea5c2151-ef7e-4a84-8fd9-c271e6fd2c23"> HI </dei:EntityIncorporationStateCountryCode> |
| <dei:EntityAddressAddressLine1 contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODUx_94f7758f-13f5-4fd1-bb8c-7e3a077f376d"> 1001 Bishop Street, Suite 2900 </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODUy_3b7041e9-73a4-4cdb-a1ed-ae43b981b624"> Honolulu </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ1_15bd2253-8032-4c28-9ad0-e3d8ef2136ae"> HI </dei:EntityAddressStateOrProvince> |
| <dei:EntityAddressPostalZipCode contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODUz_658dec99-5b05-432b-8c77-597dded102d6"> 96813 </dei:EntityAddressPostalZipCode> |
| <dei:EntityAddressAddressLine1 contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODU0_6063e4c8-dd4f-4f51-a286-b7a0b4af68ce"> 1001 Bishop Street, Suite 2500 </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ3_78bab87f-37ea-4c79-944a-050b2a7b64c6"> Honolulu </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ4_315a4ef3-c684-42cc-9537-f366abe63d70"> HI </dei:EntityAddressStateOrProvince> |
| <dei:EntityAddressPostalZipCode contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ2_b0c17194-c404-4287-a33a-2a5b07620d81"> 96813 </dei:EntityAddressPostalZipCode> |
| <dei:CityAreaCode contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQ5_94f5aca2-be16-40d9-9ad7-611f4369bd4d"> 808 </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQw_c64218d9-671d-4336-bac7-df843e228dfc"> 543-5662 </dei:LocalPhoneNumber> |
| <dei:CityAreaCode contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODU3_41737d0b-e5f6-43b3-b135-7cfb6bedc1ea"> 808 </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODUw_ff06f994-0c66-4bee-befb-08a91f3f9f3f"> 543-7771 </dei:LocalPhoneNumber> |
| <dei:WrittenCommunications contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODU1_a9d153e9-54ea-4718-ad9f-0a17086061df"> false </dei:WrittenCommunications> |
| <dei:SolicitingMaterial contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQx_30b5482b-e1ed-4829-9bc7-639819c62c76"> false </dei:SolicitingMaterial> |
| <dei:PreCommencementTenderOffer contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODU2_46a1b6d1-7bf1-4128-aa57-cd5b2ba94a3c"> false </dei:PreCommencementTenderOffer> |
| <dei:PreCommencementIssuerTenderOffer contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGV4dHJlZ2lvbjo4ZDM2YTNmNDRlOTU0OWUwYTk5NGY0ODkxNzE2OWRhYV8xODQy_98afba0c-4a0b-4164-a749-da9a5f17b616"> false </dei:PreCommencementIssuerTenderOffer> |
| <dei:Security12bTitle contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6NGExY2Y0MGIxZTE4NGQzN2JiMTRlOTA0YmE1NDhlNjgvdGFibGVyYW5nZTo0YTFjZjQwYjFlMTg0ZDM3YmIxNGU5MDRiYTU0OGU2OF8xLTEtMS0xLTExOTQ5OA_f99ed393-d22c-4c82-87a9-d1afcd0bcf18"> Common Stock, Without Par Value </dei:Security12bTitle> |
| <dei:TradingSymbol contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6NGExY2Y0MGIxZTE4NGQzN2JiMTRlOTA0YmE1NDhlNjgvdGFibGVyYW5nZTo0YTFjZjQwYjFlMTg0ZDM3YmIxNGU5MDRiYTU0OGU2OF8xLTItMS0xLTExOTQ5OA_b5e52ad9-6d05-444e-82e5-e8ee854febe0"> HE </dei:TradingSymbol> |
| <dei:SecurityExchangeName contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6NGExY2Y0MGIxZTE4NGQzN2JiMTRlOTA0YmE1NDhlNjgvdGFibGVyYW5nZTo0YTFjZjQwYjFlMTg0ZDM3YmIxNGU5MDRiYTU0OGU2OF8xLTMtMS0xLTExOTQ5OA_f794dffd-f12a-4431-8c16-ddad81929f67"> NYSE </dei:SecurityExchangeName> |
| <dei:EntityEmergingGrowthCompany contextRef="i5e7fa96098b547229730143f97f731b8_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6OTU2NDJiZTI1Y2QxNGI4ZGE0NTU2NjRlMzBlOGUxYmYvdGFibGVyYW5nZTo5NTY0MmJlMjVjZDE0YjhkYTQ1NTY2NGUzMGU4ZTFiZl8wLTEtMS0xLTExOTQ5OA_a8b696ee-2bb1-44bb-bc8c-0cca6d835060"> false </dei:EntityEmergingGrowthCompany> |
| <dei:EntityEmergingGrowthCompany contextRef="i3f0e278d6dda407f8c123722bf981ed1_D20220808-20220808" id="id3VybDovL2RvY3MudjEvZG9jOmRhODczZjdhZDBmODRiZTA4NjAyNjAyMzhlZGQyZDhkL3NlYzpkYTg3M2Y3YWQwZjg0YmUwODYwMjYwMjM4ZWRkMmQ4ZF8xL2ZyYWc6OGQzNmEzZjQ0ZTk1NDllMGE5OTRmNDg5MTcxNjlkYWEvdGFibGU6OTU2NDJiZTI1Y2QxNGI4ZGE0NTU2NjRlMzBlOGUxYmYvdGFibGVyYW5nZTo5NTY0MmJlMjVjZDE0YjhkYTQ1NTY2NGUzMGU4ZTFiZl8wLTMtMS0xLTExOTQ5OA_093497ff-866e-41df-81ef-71d6e8943ded"> false </dei:EntityEmergingGrowthCompany> |
| </xbrl> |