XML 80 R26.htm IDEA: XBRL DOCUMENT v3.2.0.727
DERIVATIVE INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2015
Notes To Consolidated Financial Statements [Abstract]  
Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value Text Block
                    
   As of June 30, 2015 As of December 31, 2014
   Commodity Supply    Net Amount  Commodity Supply    Net Amount
   and Price Risk    Recorded as and Price Risk     Recorded as
(Millions of Dollars)  Management Netting (1) a Derivative  Management Netting (1) a Derivative
Current Derivative Assets:                  
Level 3:                  
 Eversource $ 16.5 $ (10.4) $ 6.1 $16.2 $ (6.6) $ 9.6
 CL&P   16.5   (10.4)   6.1  16.1   (6.6)   9.5
 NSTAR Electric   -   -   -  0.1   -   0.1
                    
Long-Term Derivative Assets:                  
Level 3:                   
 Eversource $ 69.1 $ (23.9) $ 45.2 $ 93.5 $ (19.2) $ 74.3
 CL&P   68.7   (23.9)   44.8   93.5   (19.2)   74.3
 NSTAR Electric   0.4   -   0.4   -   -   -
                    
Current Derivative Liabilities:                  
Level 2:                  
 Eversource $ (1.5) $ 0.2 $ (1.3) $ (9.8) $ - $ (9.8)
Level 3:                  
 Eversource   (92.7)   -   (92.7)   (90.0)   -   (90.0)
 CL&P   (90.9)   -   (90.9)   (88.5)   -   (88.5)
 NSTAR Electric   (1.8)   -   (1.8)   (1.5)   -   (1.5)
                    
Long-Term Derivative Liabilities:                 
Level 2:                  
 Eversource $ - $ - $ - $ (0.3) $ - $ (0.3)
Level 3:                  
 Eversource   (381.0)   -   (381.0)   (409.3)   -   (409.3)
 CL&P    (380.2)   -   (380.2)   (406.2)   -   (406.2)
 NSTAR Electric   (0.8)   -   (0.8)   (3.1)   -   (3.1)
Rollforward Of Net Derivative Asset Liabilities Valued Using Unobservable Inputs [Table Text Block]
  For the Three Months Ended June 30,
  2015 2014
        NSTAR        NSTAR
(Millions of Dollars)Eversource CL&P Electric Eversource CL&P Electric
Derivatives, Net:                  
Fair Value as of Beginning of Period$ (406.8) $ (403.3) $ (3.5) $ (564.3) $ (557.0) $ (7.3)
Net Realized/Unrealized Gains/(Losses) Included in Regulatory Assets and Liabilities  (37.1)   (36.8)   (0.3)   111.8   112.2   (0.4)
Settlements  21.5   19.9   1.6   21.6   20.2   1.4
Fair Value as of End of Period$ (422.4) $ (420.2) $ (2.2) $ (430.9) $ (424.6) $ (6.3)
                   
  For the Six Months Ended June 30,
  2015 2014
        NSTAR        NSTAR
(Millions of Dollars)Eversource CL&P Electric Eversource CL&P Electric
Derivatives, Net:                  
Fair Value as of Beginning of Period$ (415.4) $ (410.9) $ (4.5) $ (635.2) $ (630.6) $ (7.3)
Net Realized/Unrealized Gains/(Losses) Included in Regulatory Assets and Liabilities  (49.2)   (48.9)   (0.3)   161.3   164.5   (0.5)
Settlements  42.2   39.6   2.6   43.0   41.5   1.5
Fair Value as of End of Period$ (422.4) $ (420.2) $ (2.2) $ (430.9) $ (424.6) $ (6.3)
Fairvalueinputsliabilitiesquantitativeinformationtabletextblock
  As of June 30, 2015 As of December 31, 2014
   Range Period Covered  Range Period Covered
Energy Prices:                 
Eversource, CL&P$45 per MWh 2020 $52 per MWh 2020
                   
Capacity Prices:                 
Eversource$10.05-12.60per kW-Month 2016 - 2026 $5.30-12.98per kW-Month 2016 - 2026
CL&P$10.81-12.60per kW-Month 2019 - 2026 $11.08-12.98per kW-Month 2018 - 2026
NSTAR Electric$10.05-10.81per kW-Month 2016 - 2019 $5.30-11.10per kW-Month 2016 - 2019
                   
Forward Reserve:                 
Eversource, CL&P$2.40per kW-Month 2015 - 2024 $5.80-9.50 per kW-Month 2015 - 2024
                   
REC Prices:                 
Eversource, NSTAR Electric$46-51  per REC 2015 - 2018 $38-56  per REC 2015 - 2018