Form 8-K - Current report:
SEC Accession No. 0001466593-25-000080
Filing Date
2025-05-06
Accepted
2025-05-06 08:28:05
Documents
15
Period of Report
2025-05-05
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K ottr-20250505.htm   iXBRL 8-K 21183
2 EX-99.1 q12025earningsreleaseex991.htm EX-99.1 243579
6 image4a.jpg GRAPHIC 6170
  Complete submission text file 0001466593-25-000080.txt   421062

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ottr-20250505.xsd EX-101.SCH 1788
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ottr-20250505_lab.xml EX-101.LAB 22548
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ottr-20250505_pre.xml EX-101.PRE 13050
17 EXTRACTED XBRL INSTANCE DOCUMENT ottr-20250505_htm.xml XML 2834
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: 8-K | Act: 34 | File No.: 000-53713 | Film No.: 25915380
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)