Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000004904-26-000013
Filing Date
2026-02-12
Accepted
2026-02-12 10:12:43
Documents
335
Period of Report
2025-12-31

Document Format Files

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  Complete submission text file 0000004904-26-000013.txt   88552629

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Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
AMERICAN ELECTRIC POWER CO INC (Filer) CIK: 0000004904 (see all company filings)

EIN.: 134922640 | State of Incorp.: NY | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03525 | Film No.: 26623950
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
APPALACHIAN POWER CO (Filer) CIK: 0000006879 (see all company filings)

EIN.: 540124790 | State of Incorp.: VA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03457 | Film No.: 26623953
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
INDIANA MICHIGAN POWER CO (Filer) CIK: 0000050172 (see all company filings)

EIN.: 350410455 | State of Incorp.: IN | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03570 | Film No.: 26623954
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
OHIO POWER CO (Filer) CIK: 0000073986 (see all company filings)

EIN.: 314271000 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-06543 | Film No.: 26623955
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
PUBLIC SERVICE CO OF OKLAHOMA (Filer) CIK: 0000081027 (see all company filings)

EIN.: 730410895 | State of Incorp.: OK | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-00343 | Film No.: 26623956
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215 614-716-1000
SOUTHWESTERN ELECTRIC POWER CO (Filer) CIK: 0000092487 (see all company filings)

EIN.: 720323455 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03146 | Film No.: 26623957
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215-2373
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215-2373 614-716-1000
AEP Transmission Company, LLC (Filer) CIK: 0001702494 (see all company filings)

EIN.: 461125168 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 333-217143 | Film No.: 26623952
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215-2373
Business Address 1 RIVERSIDE PLAZA COLUMBUS OH 43215-2373 614-716-1000
AEP Texas Inc. (Filer) CIK: 0001721781 (see all company filings)

EIN.: 510007707 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 333-221643 | Film No.: 26623951
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)