Guarantees and Indemnifications (Tables)

6 Months Ended

Jun. 30, 2016

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Guarantee Obligations Text Block

			Maximum Exposure
Company		Description	(in millions)		Expiration Dates
On behalf of subsidiaries:
	Eversource Gas Transmission LLC	Access Northeast Project Capital Contributions Guaranty	$	187.4	2021
	Various	Surety Bonds (1)	$	35.8	2016 - 2018
	Eversource Service and Rocky River Realty Company	Lease Payments for Vehicles and Real Estate	$	10.1	2019 - 2024