Otter Tail Corp

Otter Tail Corp is a U.S.-based holding company with operations organized into an electric utility, a metal fabrication business, and a plastics business. Through its subsidiaries, it generates, transmits, and distributes electricity in parts of the Upper Midwest, while also manufacturing custom metal components and PVC pipe products for industrial and infrastructure customers.

35,7 %

21,2 %

−2,3 %

2.28

1.83

— Otter Tail Corp
%
Electric utility55% Generation, transmission, distribution and sale of electric energy in the Upper Midwest.
Metal fabrication15% Custom machine parts and metal components for OEM and industrial customers.
Thermoformed plastics9% Thermoformed plastic products for horticulture, medical and industrial uses.
PVC pipe21% PVC pipe used in municipal water, wastewater and water reclamation projects.

The electric segment serves residential, commercial and industrial electricity customers across a predominantly rural...

  • Electric utility customersprimary

    Households, businesses and farms in western Minnesota, eastern North Dakota and northeastern South Dakota that buy regulated electricity service.

  • OEM manufacturing customersprimary

    Vehicle and equipment manufacturers that buy fabricated metal parts and components for embedded supply-chain use.

  • Infrastructure distributors and municipalitiesprimary

    Distributors, contractors and local governments that buy PVC pipe for water and wastewater projects.

  • Thermoformed plastics customerssecondary

    Customers in horticulture, medical, life sciences, industrial and electronics markets buying formed plastic products and packaging.

Otter Tail’s operations are centered in the United States, with corporate offices in Fergus Falls, Minnesota and Fargo,...

  • •Corporate offices in Fergus Falls, Minnesota and Fargo, North Dakota
  • •Electric service territory spans western Minnesota, eastern North Dakota and northeastern South Dakota
  • •Manufacturing facilities in Minnesota, Illinois and Georgia
  • •Plastics plants in North Dakota and Arizona
  • •PVC pipe sales concentrated in the western U.S. and western Canada

The company’s strategy is to balance a regulated utility platform with industrial manufacturing and infrastructure...

01
Expand and recover utility rate base investmentsmedium-term

Regulated investments support long-duration earnings and service reliability.

02
Preserve manufacturing competitivenessmedium-term

Broad capabilities and automation help retain OEM customers and manage cyclicality.

03
Serve infrastructure demand in plasticslong-term

PVC pipe demand is tied to municipal water and wastewater replacement needs.

Otter Tail faces regulatory, weather and capital-execution risk in its utility business, where returns depend on timely...

high

Regulatory recovery risk

Electric investments require approval and timely rate recovery to earn expected returns.

Scope
Electric segment capital projects
Materiality
high
high

Customer concentration

A small number of OEMs and distributors account for a large share of segment revenue.

Scope
Manufacturing and Plastics segments
Materiality
high
high

Cyclical end-market demand

OEM, agricultural, construction and infrastructure demand moves with broader economic conditions.

Scope
Manufacturing and Plastics segments
Materiality
high
high

Cybersecurity and physical security

Utility operations depend on secure control systems and critical infrastructure protection.

Scope
Electric generation, transmission and distribution assets
Materiality
high
medium

Weather-driven demand variability

Electric load is seasonal and sensitive to mild temperatures.

Scope
Electric segment
Materiality
medium
medium

Tariff and supply-chain cost pressure

Steel, aluminum and other inputs can raise costs and disrupt capital plans.

Scope
Electric capex and manufacturing inputs
Materiality
medium
Regulatory accounting
Can shift earnings timing between periods
Depreciation and capitalized utility plant
Affects operating income and asset carrying values
Long-lived asset impairment
Could require write-downs if cash flows weaken
Contingencies and investigations
May create accruals or one-time charges

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: 29/04/2026