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Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-11-128315
Filing Date
2011-05-05
Accepted
2011-05-05 15:24:02
Documents
13
Period of Report
2011-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d10q.htm 10-Q 612051
2 PRICEWATERHOUSECOOPERS LLP AWARENESS LETTER dex151.htm EX-15.1 2025
3 CERTIFICATION OF CEO PURSUANT TO SECTION 302 dex311.htm EX-31.1 9738
4 CERTIFICATION OF CFO PURSUANT TO SECTION 302 dex312.htm EX-31.2 9743
5 CERTIFICATION OF CEO PURSUANT TO SECTION 906 dex321.htm EX-32.1 4468
6 CERTIFICATION OF CFO PURSUANT TO SECTION 906 dex322.htm EX-32.2 4474
7 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM dex991.htm EX-99.1 3950
  Complete submission text file 0001193125-11-128315.txt   2746086

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT nst-20110331.xml EX-101.INS 321571
9 XBRL TAXONOMY EXTENSION SCHEMA nst-20110331.xsd EX-101.SCH 17401
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nst-20110331_cal.xml EX-101.CAL 67790
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nst-20110331_def.xml EX-101.DEF 9164
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nst-20110331_lab.xml EX-101.LAB 180359
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nst-20110331_pre.xml EX-101.PRE 121345
Mailing Address 800 BOYLSTON STREET BOSTON MA 02199
Business Address 800 BOYLSTON ST BOSTON MA 02199 6174242000
NSTAR/MA (Filer) CIK: 0001035675 (see all company filings)

IRS No.: 043466300 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-14768 | Film No.: 11814371
SIC: 4911 Electric Services