COMMON SHARES (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Schedule of Stock by Class

The following table sets forth the Eversource parent common shares and the shares of common stock of CL&P, NSTAR Electric and PSNH that were authorized and issued, as well as the respective per share par values:  

	Shares
			Authorized as of June 30, 2018 and	Issued as of
	Par Value		December 31, 2017	June 30, 2018	December 31, 2017
Eversource	$	5	380,000,000	333,878,402	333,878,402
CL&P	$	10	24,500,000	6,035,205	6,035,205
NSTAR Electric	$	1	100,000,000	200	200
PSNH	$	1	100,000,000	301	301