SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Accounts, Notes, Loans and Financing Receivable

The total provision for uncollectible accounts and for uncollectible hardship accounts, which is included in the total provision, are included in Receivables, Net on the balance sheets, and were as follows:



	Total Provision for Uncollectible Accounts				Uncollectible Hardship
	As of December 31,				As of December 31,
(Millions of Dollars)	2016		2015		2016		2015
Eversource	$	200.6	$	190.7	$	119.9	$	118.5
CL&P	86.4		79.5		67.7		68.1
NSTAR Electric	54.8		52.6		26.2		25.3
PSNH	9.9		8.7		—		—
WMECO	15.5		14.0		9.9		7.4

Schedule of Utility Inventory

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



	As of December 31,
	2016										2015
(Millions of Dollars)	Eversource		CL&P		NSTAR Electric		PSNH		WMECO		Eversource		CL&P		NSTAR Electric		PSNH		WMECO
Current:
Fuel	$	135.7	$	—	$	—	$	99.9	$	—	$	152.5	$	—	$	—	$	103.4	$	—
Materials and Supplies	142.7		48.2		34.5		47.3		5.2		131.2		43.1		32.2		44.6		5.4
RECs	47.9		3.9		27.8		12.8		3.4		50.9		—		43.3		7.0		0.6
Emission Allowances	2.4		—		—		2.4		—		1.9		—		—		1.9		—
Long-Term:
Emission Allowances	17.5		—		—		17.5		—		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)	2016		2015		2014
Eversource - Natural Gas and Fuel	$	372.2	$	516.7	$	599.4
PSNH - Fuel	45.0		85.4		113.4

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)	2016			2015			2014
Borrowed Funds	$	10.8		$	7.2		$	5.8
Equity Funds	26.2			18.8			13.7
Total AFUDC	$	37.0		$	26.0		$	19.5
Average AFUDC Rate	4.4		%	3.9		%	3.4		%



	For the Years Ended December 31,
	2016												2015												2014
(Millions of Dollars, except percentages)	CL&P			NSTAR Electric			PSNH			WMECO			CL&P			NSTAR Electric			PSNH			WMECO			CL&P			NSTAR Electric			PSNH			WMECO
Borrowed Funds	$	3.3		$	4.6		$	0.8		$	0.6		$	2.6		$	2.0		$	1.0		$	1.0		$	1.9		$	2.0		$	0.6		$	0.9
Equity Funds	6.3			10.2			0.3			—			5.2			4.3			1.2			1.7			2.9			3.8			0.6			1.7
Total AFUDC	$	9.6		$	14.8		$	1.1		$	0.6		$	7.8		$	6.3		$	2.2		$	2.7		$	4.8		$	5.8		$	1.2		$	2.6
Average AFUDC Rate	4.7		%	3.9		%	1.0		%	0.8		%	5.5		%	3.2		%	1.8		%	4.4		%	3.4		%	2.5		%	1.8		%	5.6		%

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)	2016		2015		2014
Eversource	$	162.7	$	147.2	$	148.2
CL&P	145.2		128.5		127.9

Schedule of Supplemental Cash Flow Information



Eversource (Millions of Dollars)	As of and For the Years Ended December 31,
Eversource (Millions of Dollars)	2016			2015		2014
Cash Paid/(Received) During the Year for:
Interest, Net of Amounts Capitalized	$	398.1		$	365.9	$	349.6
Income Taxes	(135.5		)	10.3		334.2
Non-Cash Investing Activities:
Plant Additions Included in Accounts Payable (As of)	301.5			216.6		181.9



	As of and For the Years Ended December 31,
	2016											2015									2014
(Millions of Dollars)	CL&P			NSTAR Electric		PSNH			WMECO			CL&P		NSTAR Electric			PSNH		WMECO		CL&P		NSTAR Electric		PSNH		WMECO
Cash Paid/(Received) During the Year for:
Interest, Net of Amounts Capitalized	$	143.3		$	88.2	$	46.5		$	24.7		$	144.4	$	75.7		$	42.3	$	26.7	$	144.1	$	75.3	$	41.1	$	25.9
Income Taxes	(73.9		)	80.7		(36.0		)	(14.7		)	55.2		(19.8		)	14.4		14.7		135.4		217.1		2.3		25.1
Non-Cash Investing Activities:
Plant Additions Included in Accounts Payable (As of)	116.2			60.9		37.9			26.1			76.0		23.5			46.5		27.0		63.5		34.6		39.3		14.2