# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-20-003157
Filing Date
2020-02-20
Accepted
2020-02-20 16:10:53
Documents
142
Period of Report
2019-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-K | ottr20191231_10k.htm iXBRL | 10-K | 5692042
2 | EXHIBIT 4.I | ex_171883.htm | EX-4.I | 49685
3 | EXHIBIT 21.A | ex_171880.htm | EX-21.A | 2905
4 | EXHIBIT 23.A | ex_171881.htm | EX-23.A | 2673
5 | EXHIBIT 24.A | ex_171882.htm | EX-24.A | 11919
6 | EXHIBIT 31.1 | ex_171884.htm | EX-31.1 | 8214
7 | EXHIBIT 31.2 | ex_171885.htm | EX-31.2 | 8167
8 | EXHIBIT 32.1 | ex_171886.htm | EX-32.1 | 4446
9 | EXHIBIT 32.2 | ex_171887.htm | EX-32.2 | 4329
15 |  | cashrealization.jpg | GRAPHIC | 15510
16 |  | chart1.jpg | GRAPHIC | 23599
17 |  | chart2.jpg | GRAPHIC | 27171
18 |  | intbearingdebt.jpg | GRAPHIC | 17904
19 |  | ottr20191231_10kimg002.gif | GRAPHIC | 10613
| Complete submission text file | 0001437749-20-003157.txt |  | 26967387

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
10 | XBRL TAXONOMY EXTENSION SCHEMA | ottr-20191231.xsd | EX-101.SCH | 209882
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | ottr-20191231_cal.xml | EX-101.CAL | 92669
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ottr-20191231_def.xml | EX-101.DEF | 1170857
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ottr-20191231_lab.xml | EX-101.LAB | 1034189
14 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ottr-20191231_pre.xml | EX-101.PRE | 1254206
41 | EXTRACTED XBRL INSTANCE DOCUMENT | ottr20191231_10k_htm.xml | XML | 6774128

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: 10-K | Act: 34 | File No.: 000-53713 | Film No.: 20635163
SIC: 4911 Electric Services