Hawaiian Electric Company, inc.2011 Rate Base RAM($000's)ATTACHMENT 4PAGE 2 OF 3BHECO 2009 Test Year Rate Base I References for Col. A & BBeg. Balance Ending Balance12^1/2008 12^1/2009Actual12^1/2010HF + G2011 Rate Base RAM ~\ Reference for Col, H2011ChangesEstimated12/31/2011Net Plant In Srvlc.Plant In Servlea:Slaiting BalanceAdditionsRoUrementsEnding Balance2,946,750.6S 2,948,751 AtlBchment 4.1 page 191,838 91,838 Une 27 +Line 2891,8383,038,589 Sum: Lines 3..,5Accumulaled DeorBciation:Starting BalanceCost or RemovalSalvageOeprecistion AccnjalRetirementsEnding Balance(1,374,017)(99.920)(1,374.017} Attachment 4.1 page 1(99,920) Une 29(99,920) (1,473,937) Sum; Line3B..-12Net Plant In Service1,385,5781,575,485 Attachment 4.5 page S1,572,734(8,082) 1,564,652 Line6-Une13Peductlon*Starting BalanceUnamortized CIACAdjustment for CIAC amortization • previousyear's amortization portionEnding BalanceH7B,757)(183,375) Attachment 4.5 page 6(186,553)(166,553) Attachment4,1 pagel(10.222) (10.222) Une 32* Line 33(47)10,175 Une 34(186,600) Sum; Linos 16...18202122Accumulated Def Income Taxes;Starling BalanceAdditionsEnding Balance(132,510)(156,551) Attachment 4,5 page 6(212,931)(19,979)(19,979)(212,931) Attachment4.1 pagel(19,979) Attachment 4.4 page 1, line 13(232,910) Lino 20 + Line 2123Total Deductions(311,267)(330,926) Lnl9'Ln22(399.484)(20,026) (419,510) Lino 19 + Une 2224Nat Rate Bass (bslore wording cash)1,054,311 S1,235.559 Line 14 * Line 23$ 1,173,249 S(26,108) $ 1,145,141 Line 14 + Une 2325Average Rata Base (RAM components only)1,144,93!1,159,19526 Change in Rale Base:27 Basel ino Additions28 Major CIP Pnaject Additions29 Depreciation30 Net Plant31 ADIT' Baseline and Major Projects32 CIAC-Baseline33 CIAC • Major CIP34 Amortization of CIAC35 Total Change in Rate Base87,612 AttachmenI 4.1 page 24,026 AttachmenI 4.2 page 2(99,920) AttachmenI 4.1 page 1(8,062) Sum: Lines 27-2B(19,979) AttachmenI 4.4 p.1(10,222) Attachmenl4.1 page3AttachmenI 4.2 page 110,175 Attachmenl4.1 page 1^28.108] Sum; Lines 31-34Change In<strong>Revenue</strong>RoquiremenlReference for Col, G36 Effectiva Pre-Tax Retum37 Gross Return on Rate Base12.91% AttachmenI 4 page 3147.81112.91%S 149,652S 1,641Line 25 x Line 38Income Slatement Effects;38 Less: CIAC Amorlizatlon39 Add; <strong>Annual</strong>ized Prior Year DepreciatiDn40 <strong>Revenue</strong> Requirement on Plant AdditionsChange m exp(748)7,700(820)8,549t 9,570Une 46Une 43Income Slatement Effecla;12011I<strong>Annual</strong>ized Prior Year Depreciation41 Est 20114243TY20092011 Change97,468 An, 4.1, p.1Attachment 4,5 page 11line 4*^5(Supplemental89.678 Testimonies)7,790 Una 41-Lino 42444546CIAC AmortizationEst. 2011TV 20092011 Change(10,083) Atl. 4.1,p. 1Attachment 4,5 page 11(Supplemental(9,335) Testimonies)(748) Lino 44 - Uno 45
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