# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001466593-25-000049
Filing Date
2025-03-03
Accepted
2025-03-03 09:27:24
Documents
54
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | ottr-20250227.htm iXBRL | DEF 14A | 1338914
6 | GRAPHIC | ottr-20250227_g1.jpg | GRAPHIC | 667717
7 | GRAPHIC | ottr-20250227_g10.gif | GRAPHIC | 4315
8 | GRAPHIC | ottr-20250227_g11.gif | GRAPHIC | 4466
9 | GRAPHIC | ottr-20250227_g12.gif | GRAPHIC | 2409
10 | GRAPHIC | ottr-20250227_g13.jpg | GRAPHIC | 25552
11 | GRAPHIC | ottr-20250227_g14.jpg | GRAPHIC | 29261
12 | GRAPHIC | ottr-20250227_g15.jpg | GRAPHIC | 34414
13 | GRAPHIC | ottr-20250227_g16.gif | GRAPHIC | 2650
14 | GRAPHIC | ottr-20250227_g17.gif | GRAPHIC | 2940
15 | GRAPHIC | ottr-20250227_g18.gif | GRAPHIC | 2801
16 | GRAPHIC | ottr-20250227_g19.gif | GRAPHIC | 2752
17 | GRAPHIC | ottr-20250227_g2.jpg | GRAPHIC | 49998
18 | GRAPHIC | ottr-20250227_g20.jpg | GRAPHIC | 41404
19 | GRAPHIC | ottr-20250227_g21.jpg | GRAPHIC | 49095
20 | GRAPHIC | ottr-20250227_g22.gif | GRAPHIC | 2556
21 | GRAPHIC | ottr-20250227_g23.gif | GRAPHIC | 4276
22 | GRAPHIC | ottr-20250227_g24.jpg | GRAPHIC | 1678955
23 | GRAPHIC | ottr-20250227_g25.jpg | GRAPHIC | 1879454
24 | GRAPHIC | ottr-20250227_g26.jpg | GRAPHIC | 2395141
25 | GRAPHIC | ottr-20250227_g27.jpg | GRAPHIC | 380724
26 | GRAPHIC | ottr-20250227_g28.jpg | GRAPHIC | 1876035
27 | GRAPHIC | ottr-20250227_g29.jpg | GRAPHIC | 2450051
28 | GRAPHIC | ottr-20250227_g3.jpg | GRAPHIC | 1916022
29 | GRAPHIC | ottr-20250227_g30.jpg | GRAPHIC | 2922903
30 | GRAPHIC | ottr-20250227_g31.jpg | GRAPHIC | 104329
31 | GRAPHIC | ottr-20250227_g32.gif | GRAPHIC | 1204
32 | GRAPHIC | ottr-20250227_g33.gif | GRAPHIC | 2594
33 | GRAPHIC | ottr-20250227_g34.jpg | GRAPHIC | 74940
34 | GRAPHIC | ottr-20250227_g35.jpg | GRAPHIC | 67471
35 | GRAPHIC | ottr-20250227_g36.jpg | GRAPHIC | 65074
36 | GRAPHIC | ottr-20250227_g37.jpg | GRAPHIC | 844838
37 | GRAPHIC | ottr-20250227_g38.jpg | GRAPHIC | 332425
38 | GRAPHIC | ottr-20250227_g4.jpg | GRAPHIC | 2466079
39 | GRAPHIC | ottr-20250227_g5.gif | GRAPHIC | 4643
40 | GRAPHIC | ottr-20250227_g6.gif | GRAPHIC | 4555
41 | GRAPHIC | ottr-20250227_g7.gif | GRAPHIC | 4573
42 | GRAPHIC | ottr-20250227_g8.gif | GRAPHIC | 4728
43 | GRAPHIC | ottr-20250227_g9.gif | GRAPHIC | 4044
| Complete submission text file | 0001466593-25-000049.txt |  | 57166267

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ottr-20250227.xsd | EX-101.SCH | 3073
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ottr-20250227_def.xml | EX-101.DEF | 3905
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ottr-20250227_lab.xml | EX-101.LAB | 4716
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ottr-20250227_pre.xml | EX-101.PRE | 2919
56 | EXTRACTED XBRL INSTANCE DOCUMENT | ottr-20250227_htm.xml | XML | 299215

Mailing Address 215 S CASCADE ST PO BOX 496 FERGUS FALLS MN 56538-0496
Business Address 215 S CASCADE ST PO BOX 496 FERGUS FALLS MN 56538-0496 866-410-8780
Otter Tail Corp (Filer) CIK: 0001466593 (see all company filings)

EIN.: 270383995 | State of Incorp.: MN | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-53713 | Film No.: 25694526
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)