SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Accounts, Notes, Loans and Financing Receivable

The total provision for both uncollectible accounts and for uncollectible hardship accounts (the uncollectible hardship balance is included in the total provision) is included in Receivables, Net on the balance sheets, and was as follows:



	Total Provision for Uncollectible Accounts				Uncollectible Hardship
	As of December 31,				As of December 31,
(Millions of Dollars)	2017		2016		2017		2016
Eversource	$	195.7	$	200.6	$	122.5	$	119.9
CL&P	78.9		86.4		65.5		67.7
NSTAR Electric	69.7		70.3		40.3		36.1
PSNH	10.5		9.9		—		—

Schedule of Utility Inventory

The carrying amounts of fuel, materials and supplies, RECs, and emission allowances were as follows:



	As of December 31,
	2017								2016
(Millions of Dollars)	Eversource		CL&P		NSTAR Electric		PSNH		Eversource		CL&P		NSTAR Electric		PSNH
Current:
Fuel	$	29.7	$	—	$	—	$	—	$	135.7	$	—	$	—	$	99.9
Materials and Supplies	117.1		44.4		45.1		18.5		142.7		48.2		39.7		47.3
RECs	76.3		4.0		50.4		21.8		47.9		3.9		31.2		12.8
Emission Allowances	—		—		—		—		2.4		—		—		2.4
Long-Term:
Emission Allowances	—		—		—		—		17.5		—		—		17.5

Schedule of Fuel Costs

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)	2017		2016		2015
Eversource - Natural Gas and Fuel	$	432.5	$	372.2	$	516.7
PSNH - Fuel	43.4		45.0		85.4

Schedule of Allowance For Funds Used During Construction

AFUDC costs and the weighted-average AFUDC rates were as follows:



Eversource	For the Years Ended December 31,
(Millions of Dollars, except percentages)	2017			2016			2015
Borrowed Funds	$	12.5		$	10.8		$	7.2
Equity Funds	34.4			26.2			18.8
Total AFUDC	$	46.9		$	37.0		$	26.0
Average AFUDC Rate	5.1		%	4.4		%	3.9		%



	For the Years Ended December 31,
	2017									2016									2015
(Millions of Dollars, except percentages)	CL&P			NSTAR Electric			PSNH			CL&P			NSTAR Electric			PSNH			CL&P			NSTAR Electric			PSNH
Borrowed Funds	$	5.1		$	4.8		$	0.7		$	3.3		$	5.3		$	0.8		$	2.6		$	3.0		$	1.0
Equity Funds	12.1			10.2			—			6.3			10.2			0.3			5.2			6.0			1.2
Total AFUDC	$	17.2		$	15.0		$	0.7		$	9.6		$	15.5		$	1.1		$	7.8		$	9.0		$	2.2
Average AFUDC Rate	6.2		%	5.0		%	0.7		%	4.7		%	3.2		%	1.0		%	5.5		%	3.5		%	1.8		%

Schedule of Gross Earnings Taxes

These gross receipts taxes are shown 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)	2017		2016		2015
Eversource	$	157.4	$	162.7	$	147.2
CL&P	137.5		145.2		128.5

Schedule of Supplemental Cash Flow Information



Eversource (Millions of Dollars)	As of and For the Years Ended December 31,
Eversource (Millions of Dollars)	2017		2016			2015
Cash Paid/(Received) During the Year for:
Interest, Net of Amounts Capitalized	$	419.1	$	398.1		$	365.9
Income Taxes	30.8		(135.5		)	10.3
Non-Cash Investing Activities:
Plant Additions Included in Accounts Payable (As of)	379.5		301.5			216.6



	As of and 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
Cash Paid/(Received) During the Year for:
Interest, Net of Amounts Capitalized	$	144.6	$	124.6	$	45.9	$	143.3		$	112.9	$	46.5		$	144.4	$	102.4		$	42.3
Income Taxes	68.8		95.5		26.1		(73.9		)	66.0		(36.0		)	55.2		(5.1		)	14.4
Non-Cash Investing Activities:
Plant Additions Included in Accounts Payable (As of)	132.5		116.5		44.4		116.2			87.0		37.9			76.0		50.5			46.5