Details of long-term debt outstanding are as follows:



CL&P (Millions of Dollars)	As of December 31,
	2018			2017
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
5.650% 2008 Series A due 2018	—			300.0
5.500% 2009 Series A due 2019	250.0			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	300.0			300.0
4.000% 2018 Series A due 2048	500.0			—
Total First Mortgage Bonds	3,144.8			2,944.8
Pollution Control Revenue Bonds:
4.375% Fixed Rate Tax Exempt due 2028	120.5			120.5
Less Amounts due Within One Year	(250.0		)	(300.0		)
Unamortized Premiums and Discounts, Net	10.2			11.5
Unamortized Debt Issuance Costs	(21.5		)	(17.7		)
CL&P Long-Term Debt	$	3,004.0		$	2,759.1



NSTAR Electric (Millions of Dollars)	As of December 31,
	2018			2017
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
Total Debentures	2,400.0			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	—			—
Unamortized Premiums and Discounts, Net	(2.5		)	(1.8		)
Unamortized Debt Issuance Costs	(17.7		)	(19.4		)
NSTAR Electric Long-Term Debt	$	2,944.8		$	2,943.8



PSNH (Millions of Dollars)	As of December 31,
PSNH (Millions of Dollars)	2018			2017
First Mortgage Bonds:
5.600% Series M due 2035	$	50.0		$	50.0
6.000% Series O due 2018	—			110.0
4.500% Series P due 2019	150.0			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
Total First Mortgage Bonds	807.0			917.0
Pollution Control Revenue Bonds:
Adjustable Rate Tax Exempt Series A due 2021	—			89.3
Less Amounts due Within One Year	(150.0		)	(110.0		)
Unamortized Premiums and Discounts, Net	—			0.2
Unamortized Debt Issuance Costs	(1.8		)	(4.1		)
PSNH Long-Term Debt	$	655.2		$	892.4



OTHER (Millions of Dollars)	As of December 31,
OTHER (Millions of Dollars)	2018			2017
Yankee Gas - First Mortgage Bonds: 3.020% - 8.480% due 2019 - 2048	$	470.0		$	520.0
NSTAR Gas - First Mortgage Bonds: 4.09% - 9.950% due 2020 - 2048	385.0			285.0
Eversource Parent and Other - Notes and Debentures:
4.500% Debentures due 2019	350.0			350.0
2.500% - 4.250% Senior Notes due 2021 - 2029	4,360.0			3,260.0
Unsecured Notes 3.570% - 6.430% due 2021 - 2037	289.5			290.9
Secured Debt 4.100% - 9.640% due 2021 - 2035	70.7			70.4
Pre-1983 Spent Nuclear Fuel Obligation (CYAPC)	39.5			181.4
Fair Value Adjustment⁽¹⁾	144.7			172.6
Less Fair Value Adjustment - Current Portion ⁽¹⁾	(36.2		)	(35.4		)
Less Amounts due in One Year	(401.1		)	(104.2		)
Commercial Paper Classified as Long-Term Debt	—			201.2
Unamortized Premiums and Discounts, Net	(4.2		)	1.5
Unamortized Debt Issuance Costs	(23.2		)	(12.8		)
Total Other Long-Term Debt	$	5,644.7		$	5,180.6

Total Eversource Long-Term Debt	$	12,248.7		$	11,775.9


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