Converted by EDGARwiz

Exhibit 21



Subsidiaries of the Registrants as of February 25, 2014 ⁽¹⁾

				State of Incorporation

Northeast Utilities (a Massachusetts business trust) ⁽²⁾				MA
	The Connecticut Light and Power Company ⁽²⁾			CT
	Connecticut Yankee Atomic Power Company ⁽³⁾			CT
	HWP Company			MA
	North Atlantic Energy Corporation			NH
	North Atlantic Energy Service Corporation			NH
	Northeast Nuclear Energy Company			CT
	Northeast Utilities Service Company			CT
	NSTAR Electric Company ⁽²⁾			MA
		Harbor Electric Energy Company		MA
	NU Enterprises, Inc.			CT
		Select Energy Contracting, Inc.		MA
		Mode 1 Communications, Inc.		CT
		Northeast Generation Services Company		CT
			E. S. Boulos Company	CT
		NSTAR Communications, Inc.		MA
		Select Energy, Inc.		CT
	NU Transmission Ventures, Inc.			CT
		Northern Pass Transmission LLC		NH
		Renewable Properties, Inc.		NH
	Public Service Company of New Hampshire ⁽²⁾			NH
		Properties, Inc.		NH
	The Rocky River Realty Company			CT
	Western Massachusetts Electric Company ⁽²⁾			MA
	Yankee Atomic Electric Company ⁽³⁾			MA
	Yankee Energy System, Inc.			CT
		Hopkinton LNG Corp.		MA
		NSTAR Gas Company		MA
		Yankee Energy Financial Services Company		CT
		Yankee Energy Services Company		CT
		Yankee Gas Services Company		CT

(1)

The names of certain subsidiaries which, if considered in the aggregate as a single subsidiary, would not constitute a "significant subsidiary," have been omitted in accordance with Item 601(b)(21)(ii) of Regulation S-K.

(2)

SEC Registrant.

(3)

For The Connecticut Light and Power Company, NSTAR Electric Company, Public Service Company of New Hampshire and Western Massachusetts Electric Company, investments in Connecticut Yankee Atomic Power Company and Yankee Atomic Electric Company are accounted for under the equity method.