EXHIBIT 24(d) ------------- POWER OF ATTORNEY ----------------- KNOW ALL PEOPLE BY THESE PRESENTS that the undersigned, HAWAII ELECTRIC LIGHT COMPANY, INC. ("HELCO"), a Hawaii corporation, and the officers and directors of said corporation whose names are signed hereto, hereby constitute and appoint T. MICHAEL MAY, PAUL A. OYER, MARVIN A. HAWTHORNE, LORIE ANN NAGATA, DAVID J. REBER and GREGORY R. KIM of Honolulu, Hawaii, and each of them, with full power of substitution in the premises (with full power to each of them to act alone), their true and lawful attorneys and agents, and in its and their name, place and stead, to do any and all acts and things and to execute and deliver any and all instruments and documents which said attorneys and agents or any of them may deem necessary or advisable to be done to enable HELCO to comply with the Securities Act of 1933, as amended (the "Securities Act")and with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof and/or to comply with the requirements of any other state regulatory authority, all in connection with the registration under said Act on Form S-3, of up to 2,000,000 of Trust Preferred Securities with a liquidation preference of $25 per Preferred Security, to be issued by HECO Capital Trust II for the benefit of and as guaranteed by HELCO's parent company, Hawaiian Electric Company, Inc. ("HECO"), and the related HECO Guarantees and underlying debt securities of HECO, HELCO and Maui Electric Company, Limited, including specifically but without limiting the generality of the foregoing, power and authority to sign the name of Hawaii Electric Light Company, Inc., and the names of the undersigned officers and directors thereof, in the capacities indicated below, to a registration statement to be filed with the Securities and Exchange Commission in respect of the aforementioned securities and to any and all amendments (including pre-and post- effective amendments) and supplements thereto, and each of the undersigned hereby ratifies and confirms all of the aforesaid that said attorneys and agents or any of them shall do or cause to be done by virtue hereof. IN WITNESS WHEREOF, Hawaii Electric Light Company, Inc. has caused this Power of Attorney to be executed in its name by its President and its Financial Vice President and Treasurer and attested by its Secretary, and the undersigned officers and directors of Hawaii Electric Light Company, Inc. have hereunto set their hands, as of the 9th day of September, 1998. This Power of Attorney may be executed in any number of counterparts by the corporation and by any one or more of the officers and directors named below. ATTEST: HAWAII ELECTRIC LIGHT COMPANY, INC. /s/ Molly M. Egged _____________________________ /s/ Warren H. W. Lee Molly M. Egged By ____________________________ Secretary Warren H. W. Lee President /s/ Paul A. Oyer By ____________________________ Paul A. Oyer Financial Vice President and Treasurer /s/ Warren H. W. Lee _____________________________ President, Principal Executive Warren H. W. Lee Officer and Director /s/ Paul A. Oyer _____________________________ Financial Vice President, Paul A. Oyer Treasurer and Principal Financial and Accounting Officer /s/ T. Michael May _____________________________ Chairman of the Board of Directors T. Michael May 2 /s/ Richard Henderson _____________________________ Director Richard Henderson /s/ Denzil W. Rose _____________________________ Director Denzil W. Rose /s/ Barry K. Taniguchi Director - ----------------------------- Barry K. Taniguchi /s/ Donald K. Yamada Director - ----------------------------- Donald K. Yamada ______________________________________________________________________ / / / / / / ______________________________________________________________________ 3