Otter Tail Power Files 15-Year Resource Plan, Outlines New Generation & Coal Phase-Out

summarizeSummary

Otter Tail's utility subsidiary filed its 2026 Integrated Resource Plan, outlining a 15-year strategy for new generation capacity, including natural gas and wind, and the planned phase-out of its Minnesota share of the Coyote Station coal plant.

check_boxKey Events

• Integrated Resource Plan Filed

  Otter Tail Power Company (OTP), a wholly owned subsidiary, filed its 2026 Integrated Resource Plan (IRP) with the Minnesota Public Utilities Commission (MPUC).

• New Generation Capacity Planned

  The preferred plan includes adding a 50-megawatt natural gas plant by 2031/2032, and two 50-megawatt wind generation facilities by 2035 and 2040, respectively.

• Coal Plant Phase-Out

  OTP is prepared to designate the Minnesota share of the Coyote Station coal-fired plant as an Available Maximum Emergency resource from June 1, 2026, with full phase-out for Minnesota customers by December 31, 2031.

• Ongoing Renewable Projects

  The IRP also reflects existing projects under construction, including the 50-megawatt Solway Solar project (2026), 295-megawatt Abercrombie Solar project (2028), a 75-megawatt battery storage facility, and additional wind generation.

auto_awesomeAnalysis

This filing details Otter Tail Power Company's long-term strategy for meeting energy demand and transitioning its generation mix over the next 15 years. For a utility, the Integrated Resource Plan (IRP) is a critical regulatory document that outlines future capital expenditures, operational changes, and environmental compliance. The plan provides a roadmap for significant investments in new generation capacity and the phase-out of coal, which will shape the company's financial performance and environmental profile for decades.