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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Provision for Uncollectible Accounts The provision balances were as follows:
 
Total Provision for Uncollectible Accounts
 
Provision for Uncollectible Hardship Accounts
 
As of December 31,
 
As of December 31,
(Millions of Dollars)
2019
 
2018
 
2019
 
2018
Eversource
$
224.8

 
$
212.7

 
$
143.3

 
$
131.5

CL&P
97.3

 
88.0

 
80.1

 
71.9

NSTAR Electric
75.4

 
74.5

 
43.9

 
42.5

PSNH
10.5

 
11.1

 
—

 
—



Uncollectible expense associated with customers' accounts receivable included in Operations and Maintenance expense on the statements of income was as follows:
 
For the Years Ended December 31,
(Millions of Dollars)
2019
 
2018
 
2017
Eversource
$
63.4

 
$
61.3

 
$
44.5

CL&P
15.9

 
15.8

 
5.3

NSTAR Electric
25.1

 
22.3

 
21.3

PSNH
6.7

 
6.4

 
6.7
Schedule of Utility Inventory The carrying amounts of fuel, materials and supplies, and RECs, which are included in Current Assets on the balance sheets, were as follows:
 
As of December 31,
 
2019
 
2018
(Millions of Dollars)
Eversource
 
CL&P
 
NSTAR Electric
 
PSNH
 
Eversource
 
CL&P
 
NSTAR Electric
 
PSNH
Fuel
$
26.7

 
$
—

 
$
—

 
$
—

 
$
33.1

 
$
—

 
$
—

 
$
—

Materials and Supplies
132.9

 
50.7

 
54.7

 
18.5

 
126.1

 
44.5

 
48.6

 
24.3

RECs
75.9

 
—

 
69.4

 
6.5

 
78.8

 
—

 
65.6

 
13.2

Total
$
235.5

 
$
50.7

 
$
124.1

 
$
25.0

 
$
238.0

 
$
44.5

 
$
114.2

 
$
37.5
Costs related to fuel and natural gas
Costs related to fuel and natural gas included in Purchased Power, Fuel and Transmission on the statements of income were as follows:
 
For the Years Ended December 31,
(Millions of Dollars)
2019
 
2018
 
2017
Eversource - Natural Gas and Fuel
$
462.1

 
$
442.6

 
$
432.5

PSNH - Fuel
—

 
7.9

 
43.4
Weighted-average AFUDC rates
AFUDC costs and the weighted-average AFUDC rates were as follows:
Eversource
For the Years Ended December 31,
(Millions of Dollars, except percentages)
2019
 
2018
 
2017
Borrowed Funds
$
25.6

 
$
19.7

 
$
12.5

Equity Funds
45.0

 
44.0

 
34.4

Total AFUDC
$
70.6

 
$
63.7

 
$
46.9

Average AFUDC Rate
5.4
%
 
4.9
%
 
5.1
%
 
For the Years Ended December 31,
 
2019
 
2018
 
2017
(Millions of Dollars,
except percentages)
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
Borrowed Funds
$
7.1

 
$
10.4

 
$
2.8

 
$
6.3

 
$
7.8

 
$
1.3

 
$
5.1

 
$
4.8

 
$
0.7

Equity Funds
13.2

 
19.8

 
3.4

 
12.2

 
15.6

 
—

 
12.1

 
10.2

 
—

Total AFUDC
$
20.3

 
$
30.2

 
$
6.2

 
$
18.5

 
$
23.4

 
$
1.3

 
$
17.2

 
$
15.0

 
$
0.7

Average AFUDC Rate
6.3
%
 
5.7
%
 
4.6
%
 
5.8
%
 
5.0
%
 
0.7
%
 
6.2
%
 
5.0
%
 
0.7
%
Components of Other Income, Net
The components of Other Income, Net on the statements of income were as follows:
Eversource
For the Years Ended December 31,
(Millions of Dollars)
2019
 
2018
 
2017
Pension, SERP and PBOP Non-Service Income Components
$
31.3

 
$
60.8

 
$
29.9

AFUDC Equity
45.0

 
44.0

 
34.4

Equity in Earnings of Unconsolidated Affiliates (1)
42.2

 
3.8

 
27.4

Investment Income/(Loss)
0.8

 
(4.0
)
 
7.5

Interest Income (2)
12.8

 
18.1

 
8.3

Gains on Sales of Property
0.3

 
5.1

 
—

Other
0.4

 
0.6

 
0.4

Total Other Income, Net
$
132.8

 
$
128.4

 
$
107.9

 
For the Years Ended December 31,
 
2019
 
2018
 
2017
(Millions of Dollars)
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
Pension, SERP and PBOP Non-Service
  Income Components
$
0.5

 
$
23.5

 
$
4.9

 
$
9.5

 
$
36.0

 
$
9.9

 
$
1.8

 
$
19.2

 
$
5.9

AFUDC Equity
13.2

 
19.8

 
3.4

 
12.2

 
15.6

 
—

 
12.1

 
10.2

 
—

Equity in Earnings of Unconsolidated Affiliates
0.1

 
0.7

 
—

 
0.1

 
0.7

 
—

 
—

 
0.3

 
—

Investment Income/(Loss)
2.3

 
(0.4
)
 
0.3

 
(3.0
)
 
(0.5
)
 
(0.8
)
 
4.5

 
2.6

 
1.6

Interest Income (2)
1.5

 
0.7

 
10.5

 
3.7

 
0.8

 
14.1

 
4.6

 
1.8

 
2.2

Gains on Sales of Property
—

 
0.1

 
—

 
—

 
0.5

 
4.4

 
—

 
—

 
—

Other
(0.1
)
 
0.2

 
0.1

 
0.2

 
—

 
0.1

 
—

 
—

 
0.1

Total Other Income, Net
$
17.5

 
$
44.6

 
$
19.2

 
$
22.7

 
$
53.1

 
$
27.7

 
$
23.0

 
$
34.1

 
$
9.8


(1) 
Equity in earnings of unconsolidated affiliates includes an other-than-temporary impairment of $32.9 million of the Access Northeast project investment for the year ended December 31, 2018. See Note 6, "Investments in Unconsolidated Affiliates," for further information. Equity in earnings includes $20.4 million, $17.6 million and $9.7 million of pre-tax unrealized gains for the years ended December 31, 2019, 2018 and 2017, respectively, associated with an equity method investment in a renewable energy fund.

(2) For the years ended December 31, 2019 and 2018, PSNH recognized $6.3 million and $8.7 million, respectively, of interest income for the equity return component of carrying charges on storm costs approved in 2019 and 2018. See Note 2, "Regulatory Accounting," for further information.

Other Taxes These gross receipts taxes are recorded separately with collections in Operating Revenues and with payments in Taxes Other Than Income Taxes on the statements of income as follows:
 
For the Years Ended December 31,
(Millions of Dollars)
2019
 
2018
 
2017
Eversource
$
163.1

 
$
161.9

 
$
157.4

CL&P
141.1

 
141.4

 
137.5
Supplemental Cash Flow Information
Eversource
(Millions of Dollars)
As of and For the Years Ended December 31,
2019
 
2018
 
2017
Cash Paid During the Year for:
 
 
 
 
 
Interest, Net of Amounts Capitalized
$
532.4

 
$
503.2

 
$
419.1

Income Taxes
56.0

 
158.8

 
30.8

Non-Cash Investing Activities:
 
 
 

 
 

Plant Additions Included in Accounts Payable (As of) (1)
379.4

 
389.3

 
379.5

 
As of and For the Years Ended December 31,
 
2019
 
2018
 
2017
(Millions of Dollars)
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
 
CL&P
 
NSTAR
Electric
 
PSNH
Cash Paid During the Year for:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest, Net of Amounts Capitalized
$
144.6

 
$
121.9

 
$
56.9

 
$
149.7

 
$
122.1

 
$
40.5

 
$
144.6

 
$
124.6

 
$
45.9

Income Taxes
80.6

 
77.9

 
3.4

 
66.1

 
120.0

 
27.3

 
68.8

 
95.5

 
26.1

Non-Cash Investing Activities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Plant Additions Included in Accounts Payable (As of) (1)
111.3

 
116.4

 
49.9

 
106.1

 
116.5

 
35.1

 
132.5

 
116.5

 
44.4



(1) See Note 1B, "Summary of Significant Accounting Policies - Basis of Presentation," for information regarding the correction of non-cash capital additions at Eversource and PSNH reported as of December 31, 2018.
Cash and cash equivalents as reported on the balance sheet
The following table reconciles cash as reported on the balance sheets to the cash and restricted cash balance as reported on the statements of cash flows:
 
As of December 31,
 
2019
 
2018
(Millions of Dollars)
Eversource
 
CL&P
 
NSTAR Electric
 
PSNH
 
Eversource
 
CL&P
 
NSTAR Electric
 
PSNH
Cash as reported on the Balance Sheets
$
15.4

 
$
—

 
$
0.1

 
$
0.4

 
$
108.1

 
$
87.7

 
$
1.6

 
$
1.4

Restricted cash included in:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Special Deposits
52.5

 
4.6

 
6.2

 
32.5

 
72.1

 
3.5

 
13.0

 
47.5

Marketable Securities
46.0

 
0.4

 
—

 
0.6

 
25.9

 
0.4

 
0.1

 
0.6

Other Long-Term Assets
3.2

 
—

 
—

 
3.2

 
3.2

 
—

 
—

 
3.2

Cash and Restricted Cash reported on the
    Statements of Cash Flows
$
117.1

 
$
5.0

 
$
6.3

 
$
36.7

 
$
209.3

 
$
91.6

 
$
14.7

 
$
52.7