XML 53 R8.htm IDEA: XBRL DOCUMENT v2.4.0.8
PROPERTY, PLANT AND ACCUMULATED DEPRECIATION
6 Months Ended
Jun. 30, 2014
Notes To Consolidated Financial Statements [Abstract]  
Property Plant And Equipment Disclosure [Text Block]

3.       PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION

 

The following tables summarize the investments in utility property, plant and equipment by asset category:

 

 As of June 30, 2014 As of December 31, 2013
(Millions of Dollars)NU NU
Distribution - Electric$ 12,145.0 $ 11,950.2
Distribution - Natural Gas  2,467.4   2,425.9
Transmission  6,508.0   6,412.5
Generation  1,167.9   1,152.3
Electric and Natural Gas Utility  22,288.3   21,940.9
Other (1)  506.5   508.7
Property, Plant and Equipment, Gross  22,794.8   22,449.6
Less: Accumulated Depreciation     
 Electric and Natural Gas Utility   (5,575.8)   (5,387.0)
 Other  (207.7)   (196.2)
Total Accumulated Depreciation  (5,783.5)   (5,583.2)
Property, Plant and Equipment, Net  17,011.3   16,866.4
Construction Work in Progress  967.4   709.8
Total Property, Plant and Equipment, Net$ 17,978.7 $ 17,576.2

(1)       These assets represent unregulated property and are primarily comprised of building improvements, computer software, hardware and equipment and telecommunications assets at NU's unregulated companies.

 As of June 30, 2014 As of December 31, 2013
    NSTAR          NSTAR      
(Millions of Dollars)CL&P Electric PSNH WMECO CL&P Electric PSNH WMECO
Distribution$ 5,035.2 $ 4,754.4 $ 1,629.1 $ 766.3 $ 4,930.7 $ 4,694.7 $ 1,608.2 $ 756.6
Transmission  3,108.1   1,798.9   713.5   841.1   3,071.9   1,772.3   695.7   826.4
Generation  -   -   1,134.0   33.9   -   -   1,131.2   21.1
Property, Plant and Equipment, Gross  8,143.3   6,553.3   3,476.6   1,641.3   8,002.6   6,467.0   3,435.1   1,604.1
Less: Accumulated Depreciation  (1,867.9)   (1,700.6)   (1,045.3)   (283.7)   (1,804.1)   (1,631.3)   (1,021.8)   (271.5)
Property, Plant and Equipment, Net  6,275.4   4,852.7   2,431.3   1,357.6   6,198.5   4,835.7   2,413.3   1,332.6
Construction Work in Progress  317.4   294.5   88.6   61.1   252.8   208.2   54.3   48.5
Total Property, Plant and Equipment, Net$ 6,592.8 $ 5,147.2 $ 2,519.9 $ 1,418.7 $ 6,451.3 $ 5,043.9 $ 2,467.6 $ 1,381.1