Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-26-008461
Filing Date
2026-02-17
Accepted
2026-02-17 14:10:23
Documents
214
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 EVERSOURCE 10-K es-20251231.htm   iXBRL 10-K 7812247
2 EX-10.2 TRUSTEE COMPENSATION a202510k-ex102xtrusteecomp.htm EX-10.2 9769
3 EX-19 INSIDER TRADING POLICY a2025eversourceenergyinsid.htm EX-19 30815
4 EX-21 SUBSIDIARIES OF THE REGISTRANT a2025-ex21subsidiariesofth.htm EX-21 25831
5 EX-23 CONSENT a202510k-exhibit23consents.htm EX-23 4332
6 EX-31 - EVERSOURCE a202510k-ex31eversource.htm EX-31 10476
7 EX-31.1 - EVERSOURCE a202510k-ex311eversource.htm EX-31.1 10427
8 EX-32 - EVERSOURCE a202510k-ex32eversource.htm EX-32 7271
9 EX-31 - CL&P a202510k-exhibit31clp.htm EX-31 10376
10 EX-31.1 - CL&P a202510k-exhibit311clp.htm EX-31.1 10481
11 EX-32 - CL&P a202510k-exhibit32clp.htm EX-32 7354
12 EX-31 - NSTAR ELECTRIC a202510k-exhibit31nste.htm EX-31 10358
13 EX-31.1 - NSTAR ELECTRIC a202510k-exhibit311nste.htm EX-31.1 10447
14 EX-32 - NSTAR ELECTRIC a202510k-exhibit32nste.htm EX-32 7315
15 EX-31 - PSNH a202510k-exhibit31psnh.htm EX-31 10365
16 EX-31.1 - PSNH a202510k-exhibit311psnh.htm EX-31.1 10482
17 EX-32 - PSNH a202510k-exhibit32psnh.htm EX-32 7349
18 EX-97 EVERSOURCE ENERGY EXECUTIVE CLAWBACK POLICY a2025eversourceenergyexecu.htm EX-97 29659
24 EVERSOURCE LOGO es-20251231_g1.jpg GRAPHIC 11070
25 TSR GRAPHIC es-20251231_g2.jpg GRAPHIC 62077
  Complete submission text file 0001628280-26-008461.txt   40202457

Data Files

Seq Description Document Type Size
19 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT es-20251231.xsd EX-101.SCH 204436
20 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT es-20251231_cal.xml EX-101.CAL 220594
21 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT es-20251231_def.xml EX-101.DEF 1445626
22 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT es-20251231_lab.xml EX-101.LAB 1799283
23 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT es-20251231_pre.xml EX-101.PRE 1795271
217 EXTRACTED XBRL INSTANCE DOCUMENT es-20251231_htm.xml XML 9304051
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)

EIN.: 041278810 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-02301 | Film No.: 26639559
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

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

EIN.: 060303850 | State of Incorp.: CT | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-00404 | Film No.: 26639560
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 107 SELDEN ST BERLIN CT 06037-1616
Business Address 300 CADWELL DRIVE SPRINGFIELD MA 01104 8606655000
EVERSOURCE ENERGY (Filer) CIK: 0000072741 (see all company filings)

EIN.: 042147929 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-05324 | Film No.: 26639557
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

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)

EIN.: 020181050 | State of Incorp.: NH | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-06392 | Film No.: 26639558
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)