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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001157523-11-001197
Filing Date
2011-02-28
Accepted
2011-02-25 19:02:24
Documents
32
Period of Report
2010-12-31

Document Format Files

Seq Description Document Type Size
1 OTTER TAIL CORP. 10-K a6618109.htm 10-K 4287925
2 EXHIBIT 10-N-1A a6618109ex10-n1a.htm EX-10.N-1A 58713
3 EXHIBIT 10-N-2B a6618109ex10-n2b.htm EX-10.N-2B 42611
4 EXHIBIT 10-P-1 a6618109ex10-p1.htm EX-10.P-1 37141
5 EXHIBIT 10-P-2 a6618109ex10-p2.htm EX-10.P-2 39526
6 EXHIBIT 10-P-3 a6618109ex10-p3.htm EX-10.P-3 36682
7 EXHIBIT 10-P-4 a6618109ex10-p4.htm EX-10.P-4 40559
8 EXHIBIT 10-P-5 a6618109ex10-p5.htm EX-10.P-5 39459
9 EXHIBIT 10-Q-1 a6618109ex10-q1.htm EX-10.Q-1 60504
10 EXHIBIT 10-Q-2 a6618109ex10-q2.htm EX-10.Q-2 60555
11 EXHIBIT 10-Q-3 a6618109ex10-q3.htm EX-10.Q-3 60486
12 EXHIBIT 10-Q-4 a6618109ex10-q4.htm EX-10.Q-4 60619
13 EXHIBIT 10-Q-5 a6618109ex10-q5.htm EX-10.Q-5 57632
14 EXHIBIT 12.1 a6618109ex12-1.htm EX-12.1 64871
15 EXHIBIT 21-A a6618109ex21-a.htm EX-21.A 25294
16 EXHIBIT 23-A a6618109ex23-a.htm EX-23.A 2605
17 EXHIBIT 24-A a6618109ex24-a.htm EX-24.A 12995
18 EXHIBIT 31.1 a6618109ex31-1.htm EX-31.1 10234
19 EXHIBIT 31.2 a6618109ex31-2.htm EX-31.2 10188
20 EXHIBIT 32.1 a6618109ex32-1.htm EX-32.1 6207
21 EXHIBIT 32.2 a6618109ex32-2.htm EX-32.2 6450
28 CHART chart.jpg GRAPHIC 48676
29 GRAPH graph.jpg GRAPHIC 43907
30 GRAPHIC 1 graphic1.jpg GRAPHIC 9681
31 GRAPHIC 3 graphic3.jpg GRAPHIC 11162
32 GRAPHIC 2 graphic2.jpg GRAPHIC 13494
  Complete submission text file 0001157523-11-001197.txt   16096893

Data Files

Seq Description Document Type Size
22 XBRL INSTANCE DOCUMENT ottr-20101231.xml EX-101.INS 2608571
23 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ottr-20101231.xsd EX-101.SCH 32757
24 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ottr-20101231_cal.xml EX-101.CAL 53117
25 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ottr-20101231_lab.xml EX-101.LAB 226728
26 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ottr-20101231_pre.xml EX-101.PRE 166872
27 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ottr-20101231_def.xml EX-101.DEF 143056
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.: 11642763
SIC: 4911 Electric Services
Assistant Director 2