Otter Tail Corporation

energy company based in Fergus Falls, Minnesota
Organization business Q7109415
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Financials

Self-reported XBRL data from 18 annual filings
Revenue
$1.30B
▼ 2.0% YoY FY2025
Net Income
$275.89M
▼ 8.5% YoY FY2025
Assets
$3.96B
▲ 8.5% YoY FY2025
EPS (diluted)
$6.55
▼ 8.6% YoY FY2025
$0.00$401.56M$803.11M$1.20B$1.61B FY2008: $1.31B · NI $35.12M (2.7% margin)FY2009: $818.69M · NI $26.03M (3.2% margin)FY2010: $717.90M · NI -$1.34M (-0.2% margin)FY2011: $840.17M · NI -$13.24M (-1.6% margin)FY2012: $710.16M · NI -$5.27M (-0.7% margin)FY2013: $743.41M · NI $50.87M (6.8% margin)FY2014: $799.26M · NI $57.72M (7.2% margin)FY2015: $779.80M · NI $59.34M (7.6% margin)FY2016: $803.54M · NI $62.32M (7.8% margin)FY2017: $849.35M · NI $72.44M (8.5% margin)FY2018: $916.45M · NI $82.34M (9.0% margin)FY2019: $918.47M · NI $86.85M (9.5% margin)FY2020: $883.17M · NI $95.85M (10.9% margin)FY2021: $1.20B · NI $176.77M (14.8% margin)FY2022: $1.46B · NI $284.18M (19.5% margin)FY2023: $1.35B · NI $294.19M (21.8% margin)FY2024: $1.33B · NI $301.66M (22.7% margin)FY2025: $1.30B · NI $275.89M (21.2% margin) '08'10'12'14'16'18'20'22'24'25
Revenue Net Income
Source: SEC EDGAR · latest 10-K filed 2025-12-31 · accession 0001466593-26-000015

Otter Tail Corporation

Summary

Otter Tail Corporation is a business[1]. It ranks in the top 4% of business entities by monthly Wikipedia readership (24 views/month).[2]

Key Facts

  • Otter Tail Corporation is in the country of United States[3].
  • Otter Tail Corporation's instance of is recorded as business[4].
  • Otter Tail Corporation's instance of is recorded as public company[5].
  • Otter Tail Corporation's headquarters location is recorded as Fergus Falls[6].
  • Otter Tail Corporation's ISNI is recorded as 0000000122324960[7].
  • Otter Tail Corporation's VIAF cluster ID is recorded as 160127020[8].
  • Otter Tail Corporation's Library of Congress authority ID is recorded as n86843928[9].
  • Otter Tail Corporation's stock exchange is recorded as Nasdaq[10].
  • +1909-00-00T00:00:00Z marks the founding of Otter Tail Corporation[11].
  • Otter Tail Corporation's Freebase ID is recorded as /m/03p2x3z[12].
  • Otter Tail Corporation's official website is recorded as http://www.ottertail.com/[13].
  • Otter Tail Corporation's ISIN is recorded as US6896481032[14].
  • Otter Tail Corporation's X is recorded as OtterTailPwrCo[15].
  • Otter Tail Corporation's Facebook username is recorded as OtterTailPowerCo[16].
  • Otter Tail Corporation's Crunchbase organization ID is recorded as otter-tail-power-company[17].
  • Otter Tail Corporation's GRID ID is recorded as grid.467516.7[18].
  • Otter Tail Corporation's Open Funder Registry funder ID is recorded as 100004023[19].
  • Otter Tail Corporation's Ringgold ID is recorded as 144693[20].
  • Otter Tail Corporation's Central Index Key is recorded as 0001466593[21].
  • Otter Tail Corporation's Microsoft Academic ID is recorded as 70848387[22].
  • Otter Tail Corporation's ROR ID is recorded as 02y85x967[23].
  • Otter Tail Corporation's OSM Name Suggestion Index ID is recorded as ottertailpowercompany-435ecb[24].
  • Otter Tail Corporation's OSM Name Suggestion Index ID is recorded as ottertailpowercompany-18f2a7[25].
  • Otter Tail Corporation's OSM Name Suggestion Index ID is recorded as ottertailpowercompany-88d76c[26].
  • Otter Tail Corporation's OSM Name Suggestion Index ID is recorded as ottertailpowercompany-59ff21[27].

Body

Founding

+1909-00-00T00:00:00Z marks the founding of Otter Tail Corporation[11].

Operations

Otter Tail Corporation's headquarters location is recorded as Fergus Falls[6].

Ownership

Otter Tail Corporation's stock exchange is recorded as Nasdaq[10].

Why It Matters

Otter Tail Corporation ranks in the top 4% of business entities by monthly Wikipedia readership (24 views/month).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . GRID Release 2017-01-10. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . GRID Release 2016-12-06. wikidata.org.
  17. [19] . GRID Release 2017-01-10. wikidata.org.
  18. [20] . Aligned ISNI and Ringgold identifiers for institutions. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Microsoft Academic Knowledge Graph. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Name Suggestion Index. wikidata.org.
  23. [25] . Name Suggestion Index. wikidata.org.
  24. [26] . Name Suggestion Index. wikidata.org.
  25. [27] . Name Suggestion Index. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Otter Tail Corporation. Retrieved May 5, 2026, from https://4ort.xyz/entity/otter-tail-corporation
MLA “Otter Tail Corporation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 May. 2026, https://4ort.xyz/entity/otter-tail-corporation.
BibTeX @misc{4ortxyz_otter-tail-corporation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Otter Tail Corporation}}, year = {2026}, url = {https://4ort.xyz/entity/otter-tail-corporation}, note = {Accessed: 2026-05-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Otter Tail Corporation — https://4ort.xyz/entity/otter-tail-corporation (retrieved 2026-05-05)

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