Vectren 2012 Annual Report Download - page 82

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80
3. Utility & Nonutility Plant
The original cost of Utility plant, together with depreciation rates expressed as a percentage of original cost, follows:
At December 31,
(In millions) 2012 2011
Original Cost
Depreciation
Rates as a
Percent of
Original Cost Original Cost
Depreciation
Rates as a
Percent of
Original Cost
Gas utility plant $ 2,614.3 3.5% $ 2,516.8 3.5%
Electric utility plant 2,463.6 3.3% 2,316.8 3.3%
Common utility plant 52.0 3.0% 51.6 2.9%
Construction work in progress 46.9 — 94.7 —
Total original cost $ 5,176.8 $ 4,979.9
SIGECO and Alcoa Generating Corporation (AGC), a subsidiary of ALCOA, own the 300 MW Unit 4 at the Warrick Power Plant
as tenants in common. SIGECO's share of the cost of this unit at December 31, 2012, is $185.9 million with accumulated
depreciation totaling $78.9 million. AGC and SIGECO also share equally in the cost of operation and output of the
unit. SIGECO's share of operating costs is included in Other operating expenses in the Consolidated Statements of Income.
Nonutility plant, net of accumulated depreciation and amortization follows:
At December 31,
(In millions) 2012 2011
Coal mine development costs & equipment $ 241.9 $ 222.0
Computer hardware & software 97.3 101.9
Land & buildings 120.4 112.0
Vehicles & equipment 119.8 92.5
All other 18.6 22.4
Nonutility plant - net $ 598.0 $ 550.8
Nonutility plant is presented net of accumulated depreciation and amortization totaling $468.4 million and $418.5 million as of
December 31, 2012 and 2011, respectively. For the years ended December 31, 2012, 2011, and 2010, the Company capitalized
interest totaling $1.8 million, $2.1 million, and $2.1 million, respectively, on nonutility plant construction projects.