NSTAR/MA - FORM 10-Q - EX-15.1 - PRICEWATERHOUSECOOPERS LLP AWARENESS LETTER - August 3, 2010

Attached files

file filename
EX-31.2 - CERTIFICATION STATEMENT OF CHIEF FINANCIAL OFFICER, SECTION 302 - NSTAR/MAdex312.htm
EX-31.1 - CERTIFICATION STATEMENT OF CHIEF EXECUTIVE OFFICER, SECTION 302 - NSTAR/MAdex311.htm
EX-99.1 - REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - NSTAR/MAdex991.htm
EX-32.1 - CERTIFICATION STATEMENT OF CHIEF EXECUTIVE OFFICER, SECTION 906 - NSTAR/MAdex321.htm
EX-32.2 - CERTIFICATION STATEMENT OF CHIEF FINANCIAL OFFICER, SECTION 906 - NSTAR/MAdex322.htm
EXCEL - IDEA: XBRL DOCUMENT - NSTAR/MAFinancial_Report.xls
10-Q - FORM 10-Q - NSTAR/MAd10q.htm

Exhibit 15.1

August 3, 2010

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated August 3, 2010 on our review of interim financial information of NSTAR for the three-month and six-month periods ended June 30, 2010 and 2009 and included in the Company’s quarterly report on Form 10-Q for the quarter ended June 30, 2010 is incorporated by reference in its Registration Statements on Form S-3 (Nos. 333-155779 and 333-162401), Form S-4 (No. 333-78285) and on Form S-8 (Nos. 333-142595, 333-160263, and 333-87272).

Very truly yours,

/s/ PRICEWATERHOUSECOOPERS LLP

PricewaterhouseCoopers LLP

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