XML 99 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1
COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Environmental Loss Contingencies by Site
The number of environmental sites and related reserves for which remediation or long-term monitoring, preliminary site work or site assessment is being performed are as follows:
 
As of December 31, 2017
 
As of December 31, 2016
 
Number of Sites
 
Reserve
(in millions)
 
Number of Sites
 
Reserve
(in millions)
Eversource
59

 
$
54.9

 
61

 
$
65.8

CL&P
14

 
4.7

 
14

 
4.9

NSTAR Electric
15

 
2.7

 
17

 
3.8

PSNH
10

 
5.7

 
11

 
5.3

A reconciliation of the activity in the environmental reserves is as follows:
(Millions of Dollars)
Eversource
 
CL&P
 
NSTAR Electric
 
PSNH
Balance as of January 1, 2016
$
51.1

 
$
4.6

 
$
3.0

 
$
4.5

Additions
20.6

 
0.6

 
1.8

 
1.2

Payments/Reductions
(5.9
)
 
(0.3
)
 
(1.0
)
 
(0.4
)
Balance as of December 31, 2016
65.8

 
4.9

 
3.8

 
5.3

Additions
6.2

 
0.5

 
1.8

 
1.0

Payments/Reductions
(17.1
)
 
(0.7
)
 
(2.9
)
 
(0.6
)
Balance as of December 31, 2017
$
54.9

 
$
4.7

 
$
2.7

 
$
5.7
Long-term Purchase Commitment
The total costs incurred under these agreements were as follows:
Eversource
For the Years Ended December 31,
(Millions of Dollars)
2017
 
2016
 
2015
Supply and Stranded Cost
$
103.9

 
$
152.5

 
$
147.6

Renewable Energy
235.5

 
210.9

 
144.3

Peaker CfDs
38.7

 
47.7

 
42.7

Natural Gas Procurement
377.0

 
323.9

 
428.6

Coal, Wood and Other
47.7

 
55.7

 
95.9

Transmission Support Commitments
19.8

 
15.9

 
25.3

 
For the Years Ended December 31,
 
2017
 
2016
 
2015
(Millions of Dollars)
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
Supply and Stranded Cost
$
81.0

 
$
4.0

 
$
18.9

 
$
132.7

 
$
0.7

 
$
19.1

 
$
120.3

 
$
6.5

 
$
20.8

Renewable Energy
51.0

 
123.7

 
60.8

 
42.1

 
101.1

 
67.7

 
20.0

 
87.1

 
37.2

Peaker CfDs
38.7

 
—

 
—

 
47.7

 
—

 
—

 
42.7

 
—

 
—

Coal, Wood and Other
—

 
—

 
47.7

 
—

 
—

 
55.7

 
—

 
—

 
95.9

Transmission Support
  Commitments
7.8

 
7.8

 
4.2

 
6.3

 
6.2

 
3.4

 
10.0

 
9.9

 
5.4

The estimated future annual costs of significant long-term contractual arrangements as of December 31, 2017 are as follows:
Eversource
 
 
 
 
 
 
 
 
 
 
 
 
 
(Millions of Dollars)
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Supply and Stranded Cost
$
81.7

 
$
69.3

 
$
74.6

 
$
68.8

 
$
63.7

 
$
144.3

 
$
502.4

Renewable Energy
242.9

 
242.5

 
241.7

 
232.2

 
224.5

 
1,665.7

 
2,849.5

Peaker CfDs
26.1

 
24.2

 
34.0

 
32.3

 
23.4

 
53.3

 
193.3

Natural Gas Procurement
225.5

 
219.2

 
169.3

 
148.7

 
131.4

 
989.6

 
1,883.7

Transmission Support Commitments
22.8

 
23.0

 
23.2

 
15.2

 
16.5

 
16.5

 
117.2

Total
$
599.0

 
$
578.2

 
$
542.8

 
$
497.2

 
$
459.5

 
$
2,869.4

 
$
5,546.1

CL&P
 
 
 
 
 
 
 
 
 
 
 
 
 
(Millions of Dollars)
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Supply and Stranded Cost
$
58.7

 
$
56.7

 
$
69.5

 
$
63.7

 
$
59.1

 
$
121.6

 
$
429.3

Renewable Energy
84.1

 
85.4

 
85.5

 
85.8

 
86.6

 
655.5

 
1,082.9

Peaker CfDs
26.1

 
24.2

 
34.0

 
32.3

 
23.4

 
53.3

 
193.3

Transmission Support Commitments
9.0

 
9.1

 
9.2

 
6.0

 
6.5

 
6.5

 
46.3

Total
$
177.9

 
$
175.4

 
$
198.2

 
$
187.8

 
$
175.6

 
$
836.9

 
$
1,751.8

NSTAR Electric
 
 
 
 
 
 
 
 
 
 
 
 
 
(Millions of Dollars)
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Supply and Stranded Cost
$
5.5

 
$
5.5

 
$
3.1

 
$
3.1

 
$
3.1

 
$
22.0

 
$
42.3

Renewable Energy
96.1

 
94.3

 
92.6

 
88.2

 
88.4

 
489.4

 
949.0

Transmission Support Commitments
9.0

 
9.0

 
9.1

 
6.0

 
6.5

 
6.5

 
46.1

Total
$
110.6

 
$
108.8

 
$
104.8

 
$
97.3

 
$
98.0

 
$
517.9

 
$
1,037.4

PSNH
 
 
 
 
 
 
 
 
 
 
 
 
 
(Millions of Dollars)
2018
 
2019
 
2020
 
2021
 
2022
 
Thereafter
 
Total
Supply and Stranded Cost
$
17.5

 
$
7.1

 
$
2.0

 
$
2.0

 
$
1.5

 
$
0.7

 
$
30.8

Renewable Energy
62.7

 
62.8

 
63.6

 
58.2

 
49.5

 
520.8

 
817.6

Transmission Support Commitments
4.8

 
4.9

 
4.9

 
3.2

 
3.5

 
3.5

 
24.8

Total
$
85.0

 
$
74.8

 
$
70.5

 
$
63.4

 
$
54.5

 
$
525.0

 
$
873.2
Schedule of Guarantor Obligations
The following table summarizes Eversource parent's exposure to guarantees and indemnifications of its subsidiaries to external parties, as of December 31, 2017:
Company
 
Description
 
Maximum Exposure
(in millions)
 
Expiration Dates
On behalf of subsidiaries:
 
 
 
 
 
 
Eversource Gas Transmission LLC
 
Access Northeast Project Capital Contributions
   Guaranty (1)
 
$
185.1

 
2021
Various
 
Surety Bonds (2)
 
40.4

 
2018
Eversource Service and Rocky River Realty Company
 
Lease Payments for Vehicles and Real Estate
 
7.8

 
2019 - 2024

(1) Eversource parent issued a declining balance guaranty on behalf of its subsidiary, Eversource Gas Transmission LLC, to guarantee the payment of the subsidiary's capital contributions for its investment in the Access Northeast project. The guaranty decreases as capital contributions are made. The guaranty will expire upon the earlier of the full performance of the guaranteed obligations or December 31, 2021.

(2) Surety bond expiration dates reflect termination dates, the majority of which will be renewed or extended.  Certain surety bonds contain credit ratings triggers that would require Eversource parent to post collateral in the event that the unsecured debt credit ratings of Eversource parent are downgraded.