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HECO's First Annual Revenue Decoupling Mechanism Filing, March ...

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ATTACHMENT 4.1PAGE 4 OF 1130-Mar-11Hawaiian SSectrlc Company, Inc.2011 Utility Book DepreciationBased on D & O 21331 (2000 Depr Study Approved Rates)AccountDepreciableAssetsasof 1/1/11Straight-LineRemaining-LifeRate6DepreciationAccrualYear 2011311312314315316Tot - Steam80,712.542,95306,043,667.57144,492,057.3951,194,369.7115.927,094.781598,369,732.400.019270.017140.013620.017370.023370.016761.555,330.705,245.568,461,967,981,82889.246.20372,216.2110,030,363.39341342343344345346Tot • Gas Turb36,265,255.2519,323,881.4762,613,810.1724,485,984.0033,659,862.76-16,616,862.381192,965,596.030.008900.015690.008760,011310.01776(0.00640)0.01007322,760.77303,191.70548,496.98276,936.48597,799.16(106.347.54)1,942.837.55Tot - Prod791,335,328.430.0151311,973,200.943501352353354355356357358359Tot - Transm1,959,714.8232,295,705.53255.715.063.9916,722.162.43173,901,887.52105,568.142.8160.034,491.0151,042.111.462,647,454.94699,886.734.510.009000.024000.025600.025700.030900.051900.017000.024100.015800.0298817,637.43775,096.936,546,305.64429.759.575,373.568.325,478,986.611,020,586.351,230,114.8941,829.7920,913.885.533601361362364365366367368369,1369.2370Tot - DIstr317,280.8019,557,286.47159,899,945.43122,201.753.5492,940,136.51211.108.957.33265,864,808.89159,235.812.3440,879,387,03153,703,064.1029,203,415.691.254,921,848.130.020500.033500.029900.032900.065400.022000.054500.060500.072600,039500,030500.043226,504.26655,504,104,781.008.374,020,437.696,078,284.934,644,397.0614,489,632.089.633,766.652,967,843.506.071,271.03890,704.1854.239.353.85Tot - T & D1,954,808,582.6475,153,239.38390394395397398Tot - General46,434,435.332,536,901.03__,_, 232,266.2195,001,488.42• 514,348.681144,719,439.670.040900.036700.034500.059400,051800.053001,899,168.4093.104.278,013.185.643,088.4126,643,267,670.017.52Sub-Total2.890,863,350.7494,796,457.843902 (King)3902 (CPP)3902 (Hon Cl)- 7,066,063.031,265,551.286,883.1 ij0.009460.04962066,825.0062,794.130.00Sub-Tot- LH Impr8,338,497.42129,619.1339233,732,178.060.072702,452,329.34UlHIty Total2,932,934,026.220.0332097.378,406.31For plant accounis which are 100% depreciable, used the plant ending balance @ 12/31/09 at A2 for thebasis. For plant accounts which are depreciable and amortizable, used the plant ending balance @@ 12/31/09 in Powerplant to determine the amortizable basis. Also used tiiis methodology for the 369plant account using tiie plant ending balance @ 12/31/09 in Powerplant to determine the 391.2 balance.SOURCE: PROPERTY ACCOUrfTING

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