Hawaiian Electric Companies - Correction to Response to Informal Information Request and Motion for Calendar Year Accrual of Rate Adjustment Mechanism Revenues (Transmittal Nos. 16-01, 16-02, 16-03) - Enclosures

Sep 2, 2026

Correction letter submitted to the Hawaiʻi Public Utilities Commission addressing items in the Hawaiian Electric Companies’ earlier response to an informal information request and their motion regarding recognition of Rate Adjustment Mechanism (RAM) revenues on a calendar year accrual basis. The filing revises miscalculated illustrative revenue recognition tables, updates corresponding attachments, and corrects a footnote describing the calendar year RAM revenue adjustment recovery timing. Enclosed corrected pages and revised materials reduce the illustrative impact of the request without changing other motion aspects.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages23

Reading Time58 min

AccessFree to download

Subject and Background

Corrections to the Filed Letter and Motion

Revised Illustrative Tables and Attachments

Updated Customer Collection Impact Calculations

Footnote Correction and Recovery Timing

Calendar Year Accrual Implications

FILED 2016 NOV 10 P 3.I November 10,2016PUBLIC UTILITIESCEMMISSION The Honorable Chair and Membersof the Hawai'1 Public Utulities Commission465 South King Stieet Kekuanao‘a Building,First FloorHonolulu,Hawai'196813 Dcar Commissioners Subject Taiff Transmittal Nos 16-01,16-02,and 16-03(Decoupling)(Consolidated)Hawanan Electric Companies'Response to Commission Informal InformationRequest and Motion for Calendar Year Accrual of Rate Adjustment MechanismRevenues On November 1,2016,the Hawalan Electric Companies'filed a letter to respond to theCommission's informal information request during the 2016 decoupling presentation("Letter")and a motion to preserve and make permanent the method of recognizing Rate AdjustmentMechanism(“RAM”)revenues on a calendar year basis("Motion”)Subsequent to these filings,the Companies discovered there were items in the Letter and Motion that require correction In the Companies'Motion,page 8,the numbeis for Case C(2)(RAM Revenue Recognition withSettlement and Preservation)that were shown in the table were miscalculated The revised corrected table is shown below | Ilustrative Example Revenue Recognition($in millions) | 2017 | 2018 | | --- | --- | --- | | C(2)RAM Revenue Recognit1on with Settlement and
Preservation | $83 | $10 | | D(2)RAM Revenue Recognition with Settlement(No
Preservation) | $59 | $6 | | Higher revenue recognition with preservation | $24 | $4 | 'The "Hawanan Electric Companies'or“Companes"are Hawallan Elcctric Company,Inc(Hawanan Elctrrc)Maui Electnic Company Limited(Maun Electri)and Hawal 1 Electrc Light Company Inc("Hawai't ElectrucLight') The Honorable Chair and Membersof the Hawai'1 Public Utilities CommissionNovember 10,2016Page 2 Attachment 2 to the Companies'Letter,pages I and 6-7,which provide the support for the tableabove,wete likewise revised to calculate the coriect customer collection mpact for Case C(RAM with Settlement and Preservation)The same couection was made in the Companies'Motion,Attachment A,pages I and 6-7,as Attachment 2 in the Companies'Letter andAttachment A in the Companies'Motion are identical The revised Attachment 2 andAttachment A,in their entirety,are included as attachments to this letter Also,in the Companies'Motion,footnote 13 on page 8 should have stated "In other words,the Company would recover only 5/12 of the calendar year RAMRevenue Adjustment” Enclosed is the corrected page 8 of the Motion The corrections identified above are limited to slightly reducing the illustrative impact of theCompanies'request only,and do not change any other aspects of the Companies'Motion The Companies apologize for any inconvenience it may have caused Sincerely, 水的 Joseph P V1olaVice PresidentRegulatory AffairsHawdl1an Electuc Company,Inc Vice President Hawai'1 Electric Light Company,IncMau Electric Company,Limited Enclosurescc DiVIsion of Consumer Advocacy Hawaiian Electric Confidential Information DeletedPursuant To Protective Order No.2016-PO-03. ·In 2017,the Company would accrue 10 months (January to October)ofrecovery of the 2017 RAM adjustment (at which time the RAM wouldterminate and be replaced by the interim rate relief for the remaining twomonths of the year)¹² ·In 2018.the Company would accrue 12 months(January to December)of2018 RAM # If there is no preservation of the calendar year accrual [Case D(2)RAM RevenueRecognition with Settlement(No Preservation)in Attachment A] ·In 2017,the Company would only record five months of the 2017 RAMrecovery (June to October,and then be replaced by the interim rate relief forNovember and December of that year),leaving five months (January to May)permanently unrecovered¹³ ·In 2018,the Company would onlyrecord 7 months of the 2018 RAM (June toDecember) | Illustrative Example Revenue Recognition($in milions) | 2017 | 2018 | | --- | --- | --- | | C(2)RAM Revenue Recognition with Settlement and

FAQs

What prompted the correction to the Hawaiian Electric Companies’ earlier filing?

After submitting the response letter and the motion, the Companies identified items within those filings that required correction.

What specific changes were made to the illustrative revenue recognition tables?

The motion’s page 8 table for Case C(2) (RAM revenue recognition with settlement and preservation) contained miscalculations, so a revised corrected table was provided.

How were the attachments and footnote updated?

Attachment 2 to the letter and Attachment A to the motion were revised to recalculate the customer collection impact, and footnote 13 on page 8 was corrected to state the recovery timing for the calendar year RAM revenue adjustment.

Sep 2, 2026

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