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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000072741-13-000015
Filing Date
2013-02-28
Accepted
2013-02-27 18:27:33
Documents
33
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K f2012form10kedgar.htm 10-K 7528674
2 LOGO f2012form10kedgar002.gif GRAPHIC 23708
4 LOGO correspondence002.gif GRAPHIC 16686
5 EXHIBIT 10.4 exhibit104.htm EX-10.4 7517
6 EXHIBIT 12 NU nuexhibit12.htm EX-12 60510
7 EXHIBIT 12 CL&P clpexhibit12.htm EX-12 52944
8 EXHIBIT 12 NSTAR ELECTRIC nstarexhibit12.htm EX-12 53121
9 EXHIBIT 12 PSNH psnhexhibit12.htm EX-12 52950
10 EXHIBIT 12 WMECO wmecoexhibit12.htm EX-12 53310
11 EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANTS exhibit21.htm EX-21 25518
12 EXHIBIT 23.1 DELOITTE & TOUCHE CONSENT exhibit231.htm EX-23.1 4875
13 EXHIBIT 23.2 PWC CONSENT exhibit232.htm EX-23.2 1663
14 EXHIBIT 31 NU nuexhibit31.htm EX-31 8562
15 EXHIBIT 31.1 NU nuexhibit311.htm EX-31.1 8354
16 EXHIBIT 31 CL&P clpexhibit31.htm EX-31 8388
17 EXHIBIT 31.1 CL&P clpexhibit311.htm EX-31.1 8475
18 EXHIBIT 31 NSTAR ELECTRIC nstarexhibit31.htm EX-31 8450
19 EXHIBIT 31.1 NSTAR ELECTRIC nstarexhibit311.htm EX-31.1 8326
20 EXHIBIT 31 PSNH psnhexhibit31.htm EX-31 8555
21 EXHIBIT 31.1 PSNH psnhexhibit311.htm EX-31.1 8396
22 EXHIBIT 31 WMECO wmecoexhibit31.htm EX-31 8362
23 EXHIBIT 31.1 WMECO wmecoexhibit311.htm EX-31.1 8627
24 EXHIBIT 32 NU nuexhibit32.htm EX-32 5126
25 EXHIBIT 32 CL&P clpexhibit32.htm EX-32 5191
26 EXHIBIT 32 NSTAR ELECTRIC nstarexhibit32.htm EX-32 5285
27 EXHIBIT 32 PSNH psnhexhibit32.htm EX-32 5234
28 EXHIBIT 32 WMECO wmecoexhibit32.htm EX-32 5147
  Complete submission text file 0000072741-13-000015.txt   45079851

Data Files

Seq Description Document Type Size
29 INSTANCE nu-20121231.xml EX-101.INS 9483787
30 LABELS nu-20121231_lab.xml EX-101.LAB 930785
31 SCHEMA nu-20121231.xsd EX-101.SCH 163868
32 PRESENTATION nu-20121231_pre.xml EX-101.PRE 1257903
33 DEFINITIONS nu-20121231_def.xml EX-101.DEF 1074663
34 CALCULATIONS nu-20121231_cal.xml EX-101.CAL 163415
Mailing Address 800 BOYLSTON ST P1600 BOSTON MA 02199
Business Address 800 BOYLSTON ST P1600 BOSTON MA 02199 6174242000
NSTAR ELECTRIC CO (Filer) CIK: 0000013372 (see all company filings)

IRS No.: 041278810 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-02301 | Film No.: 13648402
SIC: 4911 Electric Services

Mailing Address 107 SELDEN STREET BERLIN CT 06037
Business Address SELDEN STREET BERLIN CT 06037-1616 (860)665-5000
CONNECTICUT LIGHT & POWER CO (Filer) CIK: 0000023426 (see all company filings)

IRS No.: 060303850 | State of Incorp.: CT | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-00404 | Film No.: 13648405
SIC: 4911 Electric Services

Mailing Address 107 SELDEN ST BERLIN CT 06037-1616
Business Address ONE FEDERAL STREET BUILDING 111-4 SPRINGFIELD MA 01105 8606655000
NORTHEAST UTILITIES (Filer) CIK: 0000072741 (see all company filings)

IRS No.: 042147929 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-05324 | Film No.: 13648404
SIC: 4911 Electric Services

Mailing Address 107 SELDEN ST BERLIN CT 06037-1616
Business Address ONE FEDERAL STREET BUILDING 111-4 SPRINGFIELD MA 01105 4137855871
WESTERN MASSACHUSETTS ELECTRIC CO (Filer) CIK: 0000106170 (see all company filings)

IRS No.: 041961130 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-07624 | Film No.: 13648401
SIC: 4911 Electric Services

Mailing Address 780 N. COMMERCIAL STREET MANCHESTER NH 03105-0330
Business Address 780 N. COMMERCIAL STREET MANCHESTER NH 03105-0330 6036694000
PUBLIC SERVICE CO OF NEW HAMPSHIRE (Filer) CIK: 0000315256 (see all company filings)

IRS No.: 020181050 | State of Incorp.: NH | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-06392 | Film No.: 13648403
SIC: 4911 Electric Services