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PSNH GENERATION ASSET SALE (Tables)
12 Months Ended
Dec. 31, 2016
Regulated Operations [Abstract]  
Schedule of Generation Assets and Liabilities
As of December 31, 2016, PSNH's generation assets were as follows:
(Millions of Dollars)
 
Gross Plant
$
1,192.1

Accumulated Depreciation
(556.0
)
Net Plant
636.1

Fuel
99.9

Materials and Supplies
42.7

Emission Allowances
19.9

Total Generation Assets
$
798.6

As of December 31, 2016, current and long-term liabilities associated with PSNH's generation assets included Accounts Payable of $40.5 million, Other Current Liabilities of $16.1 million, AROs of $20 million, and Accrued Pension, SERP and PBOP of $24.3 million.