Otter Tail Power Files 15-Year Resource Plan, Outlines New Generation & Coal Phase-Out
OTTR sits 18% above its 52-week low of $74.15 on light trading volume (0.3× avg).
Summary
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.
Key Events · Product Development and Regulatory · OTTR
-
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.
Analysis · OTTR · Energy & Transportation
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.
How filings like this one have moved
In the 30 days to Oct 2, 2026, 29.6% of the 1645 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.57%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, OTTR was trading at $87.53 on NASDAQ in the Energy & Transportation sector, with a market capitalization of approximately $3.7B. The 52-week trading range was $74.15 to $92.24. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.