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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-19-003150
Filing Date
2019-02-22
Accepted
2019-02-22 15:52:31
Documents
145
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K ottr20181231_10k.htm 10-K 4215747
2 EXHIBIT 10.F-18 ex_134356.htm EX-10.F18 38785
3 EXHIBIT 10.F-19 ex_134984.htm EX-10.F19 9653
4 EXHIBIT 21.A ex_134357.htm EX-21.A 5028
5 EXHIBIT 23.A ex_134358.htm EX-23.A 2678
6 EXHIBIT 24.A ex_134359.htm EX-24.A 9401
7 EXHIBIT 31.1 ex_134360.htm EX-31.1 8512
8 EXHIBIT 31.2 ex_134361.htm EX-31.2 8527
9 EXHIBIT 32.1 ex_134362.htm EX-32.1 6024
10 EXHIBIT 32.2 ex_134363.htm EX-32.2 5917
17 a4.jpg GRAPHIC 18835
18 c2.jpg GRAPHIC 7189
19 c1.jpg GRAPHIC 6322
20 a2.jpg GRAPHIC 39163
21 a1.jpg GRAPHIC 46004
  Complete submission text file 0001437749-19-003150.txt   24624815

Data Files

Seq Description Document Type Size
11 XBRL INSTANCE DOCUMENT ottr-20181231.xml EX-101.INS 7086511
12 XBRL TAXONOMY EXTENSION SCHEMA ottr-20181231.xsd EX-101.SCH 213194
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE ottr-20181231_cal.xml EX-101.CAL 107033
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ottr-20181231_def.xml EX-101.DEF 1184974
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE ottr-20181231_lab.xml EX-101.LAB 1022394
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ottr-20181231_pre.xml EX-101.PRE 1264524
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)

IRS No.: 270383995 | State of Incorp.: MN | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-53713 | Film No.: 19625589
SIC: 4911 Electric Services