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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-11-212505
Filing Date
2011-08-05
Accepted
2011-08-05 17:02:18
Documents
13
Period of Report
2011-06-30

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d10q.htm 10-Q 839738
2 PRICEWATERHOUSECOOPERS LLP AWARENESS LETTER dex151.htm EX-15.1 2319
3 CEO CERTIFICATION PURSUANT TO SECTION 302 dex311.htm EX-31.1 10027
4 CFO CERTIFICATION PURSUANT TO SECTION 302 dex312.htm EX-31.2 10041
5 CEO CERTIFICATION PURSUANT TO SECTION 906 dex321.htm EX-32.1 4317
6 CERTIFICATION OF CFO PURSUANT TO SECTION 906 dex322.htm EX-32.2 4310
7 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM dex991.htm EX-99.1 4226
  Complete submission text file 0001193125-11-212505.txt   6084750

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT nst-20110630.xml EX-101.INS 1086451
9 XBRL TAXONOMY EXTENSION SCHEMA nst-20110630.xsd EX-101.SCH 44430
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nst-20110630_cal.xml EX-101.CAL 92959
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nst-20110630_def.xml EX-101.DEF 109966
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nst-20110630_lab.xml EX-101.LAB 353436
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nst-20110630_pre.xml EX-101.PRE 282436
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.: 111014897
SIC: 4911 Electric Services