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, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Exact Name of Registrant Commission I.R.S. Employer as Specified in Its Charter File Number Identification No. Hawaiian Electric Industries, Inc. 1-8503 99-0208097 Hawaiian Electric Company, Inc. 1-4955 9 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 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 Commission File Number I.R.S. Employer Identification No. HAWAIIAN ELECTRIC INDUSTRIES, INC. 1-8503 99-0208097 and Principal Subsidiary HAWAII ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 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 Commission File Number I.R.S. Employer Identification No. HAWAIIAN ELECTRIC INDUSTRIES, INC. 1-8503 99-0208097 and Principal Subsidiary HAWAIIAN EL ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR o 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 Commission File Number I.R.S. Employer Identification No. | | | --- | --- | | HAWAIIAN ELECTRIC INDUSTRIES, INC. 1-8503 99-0208097 | | | and Pri ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | Commission | Registrant; State of Incorporation; | I.R.S. Employer | | --- | --- | --- | | File Number | Address; and Telephone Number | Identification No. | | 1-8503 | HAWAIIAN ELECTRIC INDUSTRIES, ...