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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D. C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Exact Name of Registrant as Specified in Its Charter Hawaiian Electric Industries , Inc. Hawaiian Electric Company , Inc. Registrant Hawaiian Electric Industries , Inc. Securities registered pursuant to Section 12 ( b ) of the Act : State of Hawaii ( State or other jurisdiction of incorporation ) 1001 Bishop Street , Suite 2900 , Honolulu , Hawaii 96813 - Hawaiian Electric Industries , Inc. ( HEI ) 1001 Bishop Street , Suite 2500 , Honolulu , Hawaii 96813 - Hawaiian Electric Company , Inc. ( Hawaiian Electric ) ( Address of principal executive offices and zip code ) Registrant's telephone number , including area code : ( 808 ) 543-5662 - HEI ( 808 ) 543-7771 - Hawaiian Electric Not applicable ( Former name or former address , if changed since last report . ) Title of each class Common Stock , Without Par Value Securities registered pursuant to Section 12 ( g ) of the Act : Registrant Hawaiian Electric Industries , Inc. Hawaiian Electric Company , Inc. Commission File Number 1-8503 1-4955 Yes Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Hawaiian Electric Industries , Inc. Yes No Hawaiian Electric Company , Inc. Trading Symbol HE No I.R.S. Employer Identification No. 99-0208097 99-0040500 Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Hawaiian Electric Industries , Inc. Yes Hawaiian Electric Company , Inc. No Yes No Name of each exchange on which registered New York Stock Exchange Title of each class None Cumulative Preferred Stock Hawaiian Electric Company , Inc. Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Hawaiian Electric Industries , Inc. Yes Yes Yes No No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Hawaiian Electric Industries , Inc. Yes Hawaiian Electric Company , Inc. No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer " , " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . No