Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 7, 2012 relating to the financial statements and financial statement schedule, which appears in NStar Electric Company’s Annual Report on Form 10-K for the year ended December 31, 2012. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Boston, MA

May 3, 2013