# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001466593-21-000039
Filing Date
2021-05-07
Accepted
2021-05-07 12:52:18
Documents
73
Period of Report
2021-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ottr-20210331.htm iXBRL | 10-Q | 1489642
2 | EX-31.1 | a2021q110qex311.htm | EX-31.1 | 9587
3 | EX-31.2 | a2021q110qex312.htm | EX-31.2 | 9445
4 | EX-32.1 | a2021q110qex321.htm | EX-32.1 | 4193
5 | EX-32.2 | a2021q110qex322.htm | EX-32.2 | 4170
| Complete submission text file | 0001466593-21-000039.txt |  | 7068938

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ottr-20210331.xsd | EX-101.SCH | 47531
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ottr-20210331_cal.xml | EX-101.CAL | 102095
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ottr-20210331_def.xml | EX-101.DEF | 217640
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ottr-20210331_lab.xml | EX-101.LAB | 568877
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ottr-20210331_pre.xml | EX-101.PRE | 360369
11 | EXTRACTED XBRL INSTANCE DOCUMENT | ottr-20210331_htm.xml | XML | 1354123

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-Q | Act: 34 | File No.: 000-53713 | Film No.: 21901440
SIC: 4911 Electric Services