LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2019

The amount of borrowings outstanding and available under the commercial paper programs were as follows:



	Borrowings Outstanding as of December 31,				Available Borrowing Capacity as of December 31,				Weighted-Average Interest Rate as of December 31,
(Millions of Dollars)	2019		2018		2019		2018		2019		2018
Eversource Parent Commercial Paper Program	$	1,224.9	$	631.5	$	225.1	$	818.5	1.98	%	2.77	%
NSTAR Electric Commercial Paper Program	10.5		278.5		639.5		371.5		1.63	%	2.50	%

Details of long-term debt outstanding are as follows:



CL&P (Millions of Dollars)	As of December 31,
	2019			2018
First Mortgage Bonds:
7.875% 1994 Series D due 2024	$	139.8		$	139.8
5.750% 2004 Series B due 2034	130.0			130.0
5.625% 2005 Series B due 2035	100.0			100.0
6.350% 2006 Series A due 2036	250.0			250.0
5.750% 2007 Series B due 2037	150.0			150.0
6.375% 2007 Series D due 2037	100.0			100.0
5.500% 2009 Series A due 2019	—			250.0
2.500% 2013 Series A due 2023	400.0			400.0
4.300% 2014 Series A due 2044	475.0			475.0
4.150% 2015 Series A due 2045	350.0			350.0
3.200% 2017 Series A due 2027	500.0			300.0
4.000% 2018 Series A due 2048	800.0			500.0
Total First Mortgage Bonds	3,394.8			3,144.8
Pollution Control Revenue Bonds:
4.375% Fixed Rate Tax Exempt due 2028	120.5			120.5
Less Amounts due Within One Year	—			(250.0		)
Unamortized Premiums and Discounts, Net	27.8			10.2
Unamortized Debt Issuance Costs	(25.0		)	(21.5		)
CL&P Long-Term Debt	$	3,518.1		$	3,004.0



NSTAR Electric (Millions of Dollars)	As of December 31,
	2019			2018
Debentures:
5.750% due 2036	$	200.0		$	200.0
5.500% due 2040	300.0			300.0
2.375% due 2022	400.0			400.0
4.400% due 2044	300.0			300.0
3.250% due 2025	250.0			250.0
2.700% due 2026	250.0			250.0
3.200% due 2027	700.0			700.0
3.250% due 2029	400.0			—
Total Debentures	2,800.0			2,400.0
Notes:
5.900% Senior Notes Series B due 2034	50.0			50.0
6.700% Senior Notes Series D due 2037	40.0			40.0
5.100% Senior Notes Series E due 2020	95.0			95.0
3.500% Senior Notes Series F due 2021	250.0			250.0
3.880% Senior Notes Series G due 2023	80.0			80.0
2.750% Senior Notes Series H due 2026	50.0			50.0
Total Notes	565.0			565.0
Less Amounts due Within One Year	(95.0		)	—
Unamortized Premiums and Discounts, Net	(4.1		)	(2.5		)
Unamortized Debt Issuance Costs	(18.8		)	(17.7		)
NSTAR Electric Long-Term Debt	$	3,247.1		$	2,944.8



PSNH (Millions of Dollars)	As of December 31,
PSNH (Millions of Dollars)	2019			2018
First Mortgage Bonds:
5.600% Series M due 2035	$	50.0		$	50.0
4.500% Series P due 2019	—			150.0
4.050% Series Q due 2021	122.0			122.0
3.200% Series R due 2021	160.0			160.0
3.500% Series S due 2023	325.0			325.0
3.600% Series T due 2049	300.0			—
Total First Mortgage Bonds	957.0			807.0
Less Amounts due Within One Year	—			(150.0		)
Unamortized Premiums and Discounts, Net	(0.7		)	—
Unamortized Debt Issuance Costs	(4.7		)	(1.8		)
PSNH Long-Term Debt	$	951.6		$	655.2



OTHER (Millions of Dollars)	As of December 31,
OTHER (Millions of Dollars)	2019			2018
Yankee Gas - First Mortgage Bonds: 2.230% - 8.480% due 2020 - 2049	$	620.0		$	470.0
NSTAR Gas - First Mortgage Bonds: 3.740% - 9.950% due 2020 - 2049	460.0			385.0
Aquarion - Senior Note 4.000% due 2024	360.0			360.0
Aquarion - Unsecured Notes 0% - 6.430% due 2021 - 2049	335.3			289.5
Aquarion - Secured Debt 4.100% - 9.640% due 2021 - 2035	68.8			70.7
Eversource Parent - Debentures 4.500% due 2019	—			350.0
Eversource Parent - Senior Notes 2.500% - 4.250% due 2021 - 2029	4,000.0			4,000.0
Pre-1983 Spent Nuclear Fuel Obligation (CYAPC)	11.6			39.5
Fair Value Adjustment⁽¹⁾	109.1			144.7
Less Fair Value Adjustment - Current Portion ⁽¹⁾	(31.3		)	(36.2		)
Less Amounts due in One Year	(201.1		)	(401.1		)
Commercial Paper Classified as Long-Term Debt (See Note 8, Short-Term Debt)	346.3			—
Unamortized Premiums and Discounts, Net	(4.1		)	(4.2		)
Unamortized Debt Issuance Costs	(20.6		)	(23.2		)
Total Other Long-Term Debt	$	6,054.0		$	5,644.7

Total Eversource Long-Term Debt	$	13,770.8		$	12,248.7


⁽¹⁾	The fair value adjustment amount is the purchase price adjustments, net of amortization, required to record long-term debt at fair value on the dates of the 2012 merger with NSTAR and the 2017 acquisition of Aquarion.

Schedule of Issuance and Repayments of Long-term Debt

The following table summarizes long-term debt issuances and repayments:



(Millions of Dollars)	Issue Date	Issuance/(Repayment)			Maturity Date	Use of Proceeds for Issuance/ Repayment Information
CL&P:
4.00% 2018 Series A First Mortgage Bonds ⁽¹⁾	April 2019	$	300.0		April 2048	Paid short-term borrowings that were used to pay long-term debt that matured on February 1, 2019 and fund capital expenditures and working capital
3.20% 2017 Series A First Mortgage Bonds ⁽²⁾	September 2019	200.0			March 2027	Paid short-term borrowings and fund capital expenditures and working capital
5.50% 2009 Series A First Mortgage Bonds	February 2009	(250.0		)	February 2019	Paid at maturity on February 1, 2019
NSTAR Electric:
3.25% 2019 Debentures	May 2019	400.0			May 2029	Paid short-term borrowings that were used to fund investments in eligible green expenditures
PSNH:
3.60% 2019 Series T First Mortgage Bonds	June 2019	300.0			July 2049	Paid long-term debt that matured in December 2019, paid short-term borrowings and fund capital expenditures and working capital
4.50% 2009 Series P First Mortgage Bonds	December 2009	(150.0		)	December 2019	Paid at maturity on December 1, 2019
Other:
Eversource Parent 4.50% Debentures	November 2009	(350.0		)	November 2019	Paid at maturity on November 15, 2019
Eversource Parent 3.45% Series P Senior Notes	January 2020	350.0			January 2050	Paid short-term borrowings
NSTAR Gas 3.74% Series Q First Mortgage Bonds	July 2019	75.0			August 2049	Paid short-term borrowings and fund capital expenditures and working capital
Yankee Gas 2.23% Series P First Mortgage Bonds	September 2019	100.0			October 2024	Paid short-term borrowings and for general corporate purposes
Yankee Gas 3.30% Series Q First Mortgage Bonds	September 2019	100.0			October 2049	Paid short-term borrowings and for general corporate purposes
Yankee Gas 5.26% Series H First Mortgage Bonds	November 2004	(50.0		)	November 2019	Paid at maturity on November 1, 2019
Aquarion 3.54% Senior Notes	December 2019	45.0			December 2049	Paid short-term borrowings

⁽¹⁾ These bonds are part of the same series issued by CL&P in March 2018. The aggregate outstanding principal amount of these bonds is now $800 million.

⁽²⁾ These bonds are part of the same series issued by CL&P in March 2017. The aggregate outstanding principal amount of these bonds is now $500 million.

Schedule of Maturities of Long-term Debt Outstanding

Long-term debt maturities on debt outstanding for the years 2020 through 2024 and thereafter are shown below. These amounts exclude PSNH rate reduction bonds, CYAPC pre-1983 spent nuclear fuel obligation, net unamortized premiums, discounts and debt issuance costs, and other fair value adjustments as of December 31, 2019:



(Millions of Dollars)	Eversource		CL&P		NSTAR Electric		PSNH
2020	$	296.1	$	—	$	95.0	$	—
2021	1,033.6		—		250.0		282.0
2022	1,188.9		—		400.0		—
2023	1,665.2		400.0		80.0		325.0
2024	1,049.8		139.8		—		—
Thereafter	8,447.8		2,975.5		2,540.0		350.0
Total	$	13,681.4	$	3,515.3	$	3,365.0	$	957.0

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

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+ Details